Station Overview Station Location
Station Number VA-FX-80 Latitude 38.829399
Station Name Annandale 1.9 W Longitude -77.246788
County Fairfax Elevation (ft) 319



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 16 3.54 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 16 3.32 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 16 3.14 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 17 2.93 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 17 2.71 0.29 25 0.29 25 0.00 0 0 5 2 0.0 0 0
March 17 3.63 2.94 31 2.94 31 0.00 0 0 14 1 0.0 0 1
April 17 3.26 3.61 30 3.61 30 0.00 0 0 12 5 0.0 0 0
May 17 4.18 7.18 31 7.18 31 0.00 0 0 17 2 0.0 0 0
June 17 3.94 1.19 30 1.19 30 0.00 0 0 6 0 0.0 0 0
July 17 4.03 10.22 31 10.22 31 0.00 0 0 11 0 0.0 0 0
Aug 17 3.29 5.80 31 5.80 31 0.00 0 0 12 2 0.0 0 0
Sept 17 3.98 1.83 30 1.83 30 0.00 0 0 7 0 0.0 0 0
Water Year Totals: 41.95" 33.06" 239 days 33.06" 239 0.00" 0 days 0 84 days 12 days 0.0" 0 days 1 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2016
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016
12/8/2016
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017 0.00
2/5/2017 0.00
2/6/2017 0.00
2/7/2017 T
2/8/2017 0.00
2/9/2017 0.12
2/10/2017 0.04
2/11/2017 0.00
2/12/2017 0.00
2/13/2017 0.02
2/14/2017 0.00
2/15/2017 0.01
2/16/2017 0.00
2/17/2017 0.00
2/18/2017 0.00
2/19/2017 T
2/20/2017 0.00
2/21/2017 0.00
2/22/2017 0.00
2/23/2017 0.00
2/24/2017 0.00
2/25/2017 0.00
2/26/2017 0.10
2/27/2017 0.00
2/28/2017 0.00
3/1/2017 0.35
3/2/2017 0.00
3/3/2017 T
3/4/2017 0.00
3/5/2017 0.00
3/6/2017 0.00
3/7/2017 0.00
3/8/2017 0.09
3/9/2017 0.01
3/10/2017 0.00
3/11/2017 0.09
3/12/2017 0.00
3/13/2017 0.00
3/14/2017 1.11
3/15/2017 0.24
3/16/2017 0.00
3/17/2017 0.00
3/18/2017 0.04
3/19/2017 0.52
3/20/2017 0.04
3/21/2017 0.02
3/22/2017 0.00
3/23/2017 0.00
3/24/2017 0.00
3/25/2017 0.11
3/26/2017 0.00
3/27/2017 0.02
3/28/2017 0.04
3/29/2017 0.26
3/30/2017 0.00
3/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2017 1.03
4/2/2017 0.00
4/3/2017 0.00
4/4/2017 0.08
4/5/2017 0.02
4/6/2017 0.00
4/7/2017 1.65
4/8/2017 0.01
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017 0.00
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.00
4/16/2017 0.00
4/17/2017 T
4/18/2017 0.13
4/19/2017 0.00
4/20/2017 T
4/21/2017 0.06
4/22/2017 0.02
4/23/2017 0.34
4/24/2017 T
4/25/2017 0.22
4/26/2017 0.04
4/27/2017 0.01
4/28/2017 T
4/29/2017 0.00
4/30/2017 T
5/1/2017 0.00
5/2/2017 0.01
5/3/2017 0.00
5/4/2017 0.00
5/5/2017 0.18
5/6/2017 1.86
5/7/2017 0.13
5/8/2017 0.01
5/9/2017 0.00
5/10/2017 0.00
5/11/2017 0.00
5/12/2017 1.44
5/13/2017 0.61
5/14/2017 0.12
5/15/2017 0.01
5/16/2017 0.00
5/17/2017 0.00
5/18/2017 0.00
5/19/2017 0.29
5/20/2017 0.00
5/21/2017 0.00
5/22/2017 0.02
5/23/2017 0.34
5/24/2017 0.15
5/25/2017 0.45
5/26/2017 0.38
5/27/2017 0.00
5/28/2017 T
5/29/2017 0.10
5/30/2017 T
5/31/2017 1.08
6/1/2017 0.09
6/2/2017 0.00
6/3/2017 0.00
6/4/2017 0.00
6/5/2017 0.00
6/6/2017 0.04
6/7/2017 0.00
6/8/2017 0.06
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
6/12/2017 0.00
6/13/2017 0.00
6/14/2017 0.00
6/15/2017 0.00
6/16/2017 0.00
6/17/2017 0.16
6/18/2017 0.00
6/19/2017 0.00
6/20/2017 0.52
6/21/2017 0.00
6/22/2017 0.00
6/23/2017 0.00
6/24/2017 0.32
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.00
6/28/2017 0.00
6/29/2017 0.00
6/30/2017 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.78
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 0.07
7/6/2017 0.74
7/7/2017 2.79
7/8/2017 0.11
7/9/2017 0.00
7/10/2017 0.00
7/11/2017 0.00
7/12/2017 0.00
7/13/2017 0.00
7/14/2017 0.00
7/15/2017 0.26
7/16/2017 0.00
7/17/2017 0.00
7/18/2017 0.00
7/19/2017 0.00
7/20/2017 0.00
7/21/2017 0.00
7/22/2017 0.00
7/23/2017 1.11
7/24/2017 0.38
7/25/2017 0.40
7/26/2017 0.00
7/27/2017 0.00
7/28/2017 0.00
7/29/2017 3.55
7/30/2017 0.03
7/31/2017 0.00
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.00
8/4/2017 0.13
8/5/2017 0.00
8/6/2017 0.00
8/7/2017 0.14
8/8/2017 1.66
8/9/2017 T
8/10/2017 0.00
8/11/2017 0.00
8/12/2017 1.27
8/13/2017 0.80
8/14/2017 0.00
8/15/2017 0.01
8/16/2017 0.23
8/17/2017 0.00
8/18/2017 0.00
8/19/2017 0.31
8/20/2017 T
8/21/2017 0.00
8/22/2017 0.12
8/23/2017 0.00
8/24/2017 0.00
8/25/2017 0.09
8/26/2017 0.00
8/27/2017 0.00
8/28/2017 0.00
8/29/2017 0.10
8/30/2017 0.94
8/31/2017 0.00
9/1/2017 0.00
9/2/2017 0.15
9/3/2017 0.63
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.30
9/7/2017 0.55
9/8/2017 0.00
9/9/2017 0.00
9/10/2017 0.00
9/11/2017 0.00
9/12/2017 0.00
9/13/2017 0.02
9/14/2017 0.17
9/15/2017 0.01
9/16/2017 0.00
9/17/2017 0.00
9/18/2017 0.00
9/19/2017 0.00
9/20/2017 0.00
9/21/2017 0.00
9/22/2017 0.00
9/23/2017 0.00
9/24/2017 0.00
9/25/2017 0.00
9/26/2017 0.00
9/27/2017 0.00
9/28/2017 0.00
9/29/2017 0.00
9/30/2017 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
2/4/2017 5:00 AM 0.00 0.0 M M M clear sunny day, NOTHING to report for my First Day as a new cocorahs volunteer
2/5/2017 5:00 AM 0.00 0.0 M M M Winter can be a bit boring here
2/6/2017 5:00 AM 0.00 0.0 M M M
2/7/2017 5:00 AM T M M M M rain had apparently occurred in wee hours but was not at 5 a.m.
2/8/2017 5:00 AM 0.00 0.0 M M M
2/9/2017 5:00 AM 0.12 M M M M rain may have started after 2:30 a.m.; it was still raining lightly at time of measure and additional 0.02 rain was measured later at Noon; then some snow flurries later (NA)
2/10/2017 5:00 AM 0.04 M 0.02 M M 0.02 additional rain early morning 2/9 after 5 a.m. report of 0.12 (reported 2/9); and 0.02 snow afternoon 2/9
2/11/2017 5:00 AM 0.00 0.0 M M M
2/12/2017 5:00 AM 0.00 0.0 M M M
2/13/2017 5:00 AM 0.02 M M M M light rain
2/14/2017 5:00 AM 0.00 0.0 M M M
2/15/2017 5:00 AM 0.01 M M M M
2/16/2017 5:00 AM 0.00 0.0 M M M
2/17/2017 5:00 AM 0.00 0.0 M M M
2/18/2017 5:00 AM 0.00 0.0 M M M this has been a BORING winter -- but it ain't over yet!
2/19/2017 5:00 AM T M M M M
2/20/2017 5:00 AM 0.00 0.0 M M M
2/21/2017 5:00 AM 0.00 0.0 M M M
2/22/2017 5:00 AM 0.00 0.0 M M M
2/23/2017 5:00 AM 0.00 0.0 M M M this is getting boring! It doesn't even feel like Winter
2/24/2017 5:00 AM 0.00 0.0 M M M
2/25/2017 5:00 AM 0.00 0.0 M M M
2/26/2017 5:00 AM 0.10 M M M M rainfall and some thunder between 2:30pm and 3:20pm on 2/25
2/27/2017 5:00 AM 0.00 0.0 M M M
2/28/2017 5:00 AM 0.00 0.0 M M M
3/1/2017 5:00 AM 0.35 M M M M moderate steady rain
3/2/2017 5:00 AM 0.00 0.0 M M M
3/3/2017 5:00 AM T M M M M very light snow flurries before dawn on 3 Mar
3/4/2017 5:00 AM 0.00 0.0 M M M
3/5/2017 5:00 AM 0.00 0.0 M M M
3/6/2017 5:00 AM 0.00 0.0 M M M clear, sunny, cold and boring!
3/7/2017 5:00 AM 0.00 0.0 M M M
3/8/2017 4:30 AM 0.09 M M M M Medium to light rain began at about 4:15 pm on 7 March and it was still raining when I took my measure at 4:30 a.m. on 8 March. Temp 51F (approx.) at 4:30 a.m.
3/9/2017 5:00 AM 0.01 M M M M This was continuation of rain from last reporting period that ended about 6:30 a.m. on 8 March; skies cleared and it has been clear since
3/10/2017 5:00 AM 0.00 0.0 M M M temp at 5 a.m. 3/10 was 47F (and they're predicting snow today?)
3/11/2017 5:00 AM 0.09 M M M M Temp at 5:00 a.m. on 3/10 was 47F then dropping to low of 38F by early afternoon. Rain began at approx. 9:00 a.m. 3/10 and briefly changed to "sleety" snow and then very light flurries before ending at approx. 11:30. I was observing from Alexandria but my husband was giving me updates at home in Annandale. There was a thin layer of ice in the gauge this morning so I brought it indoors to thaw before confirming measure. Temp this morning at 5:00 a.m. is 25F
3/12/2017 5:00 AM 0.00 0.0 M M M dead still this morning (the birds are still on EST)
3/13/2017 5:00 AM 0.00 0.0 M M M Looking forward to having something more exciting to report tomorrow!
3/14/2017 5:00 AM 1.11 M M 2.5 M Brief snow flurries began at 6:45 p.m. for about 5 minutes, temp 37F, then changing to misty rain. After 8:30 p.m., it changed to light snow which continued until approx midnight; and then a moderate steady sleet (which continues now). Temp between 29-32F (approx) overnight. Snow covering my deck is icy. My “snow stick” (paint stirrer marked off in inches) indicates approx 2 ½ ins.
3/15/2017 5:00 AM 0.24 M M M M Sleet was still continuing when I took my measure on 3/14 and stopped at dawn; there were occasional light flurries in the morning and mid-afternoon. High temp 3/14 was 37F; low 3/15 at 5 a.m. was 20F
3/16/2017 5:00 AM 0.00 0.0 M M M windy but clear; no precipitation
3/17/2017 5:00 AM 0.00 0.0 M M M clear and sunny
3/18/2017 5:00 AM 0.04 M M M M Temp was 26F at 5 a.m. on 3/17 and rose to approx 47F during the day. It remained above freezing overnight (approx 38F) and it rained overnight (don’t know when it started and there is still a very light sprinkle at 5 a.m.).
3/19/2017 5:00 AM 0.52 M M M M Temp at 5 a.m. on 3/18 was 38F, rising to high of 55F by mid-afternoon, and 47F when it began to rain at 6:30 p.m. Light steady rain continued throughout the night. Temp was 38F at 2:30 a.m. and changed to mix of rain/snow and now more snow in the mix at 5 a.m., still coming down. Temp at 5 a.m. is 34F. No accumulation on surfaces.
3/20/2017 5:00 AM 0.04 M M M M On Sunday 3/18 the rain continued between 5 a.m. and 7:30 a.m., temp was 33/34F. Later there was sunshine and partly cloudy, high 46F mid-afternoon. 0.04 is what accumulated after my 5 a.m. reporting time 3/19.
3/21/2017 5:00 AM 0.02 M M M M very light rain overnight which had ended by 5 a.m.; temp at 5 a.m. was 46F
3/22/2017 5:00 AM 0.00 0.0 M M M clear skies, windy; temp was approx. 48F at 5 a.m. and 40F at 11 a.m.
3/23/2017 5:00 AM 0.00 0.0 M M M clear skies, temp 28F at 5 a.m. on 3/23
3/24/2017 5:00 AM 0.00 0.0 M M M
3/25/2017 5:00 AM 0.11 M M M M moderate rain fell between approx. 9:30 a.m. and Noon on 3/24
3/26/2017 5:00 AM 0.00 0.0 M M M no precipitation
3/27/2017 5:00 AM 0.02 M M M M temp on 3/26 was in the upper 40's not reaching 50, and there was no precip; a bit of rain very early on 3/27 and fog which lifted approx. 9:30 a.m.
3/28/2017 5:00 AM 0.04 M M M M there was a rain shower between approx. 9 and 10 pm on 3/27; at 5 a.m. on 3/28 there were a few rumbles of thunder, temp approx. 58F
3/29/2017 5:00 AM 0.26 M M M M Moderate rain between approx. 9 and 10 a.m. (0.04); then a brief shower about 15 minutes at 12:30 p.m. (0.02); then later in the evening (times unknown) an additional 0.20
3/30/2017 5:00 AM 0.00 0.0 M M M temp 46F at 5 a.m.; the peep toads were quiet overnight
3/31/2017 5:00 AM 0.00 0.0 M M M Rain gauge was bone dry for the past 24 hour period; but it began to sprinkle shortly after 5 a.m. (for the next 24 hour measuring cycle)
4/1/2017 5:00 AM 1.03 M M M M Light rain started shortly after 5 a.m. on 3/31 and rain was then moderate and continued steadily until it stopped raining at about 1:30 p.m. I was not at home to monitor the accumulation in rain gauge until 11 a.m., when it measured 0.70 (between 5 a.m.-11 a.m.); at 12 Noon it was 0.76; at 1 p.m. it was 0.94. Rain stopped at approx 1:30 p.m. and started again at approx 6:30 p.m.; at 7:30 it was 0.99. Continued very light through the night (slightly heavier at approx 2 a.m.). Still very light rain at 5 a.m. Achieved cylinder overflow!
4/2/2017 5:00 AM 0.00 0.0 M M M low temp mid-40s; high temp mid-50s
4/3/2017 5:00 AM 0.00 0.0 M M M the rain gauge is dry
4/4/2017 5:00 AM 0.08 M M M M Low temp overnight was approx. 50F and the peep toads were singing; temp at 4 a.m. was 60F
4/5/2017 5:00 AM 0.02 M M M M light rain occurred about mid-morning
4/6/2017 5:00 AM 0.00 0.0 M M M No precipitation at observation time of 5 a.m.
4/7/2017 5:00 AM 1.65 M M M M Rain started at 7:20 a.m., accum. 0.17 by 9:20 a.m.; 0.09 ins between 9:20-10:20 a.m.; 0.26 ins between 10:20-11:20 a.m.; 0.54 ins between 11:20-12:20 p.m, moderately heavy at about 11:30 with some rumbles of thunder; 0.02 ins between 12:20-1:20 p.m.; 0.16 ins between 1:20-2:20 p.m.; sky got very dark, winds increased and heavy rain and hail for about 10 minutes; lentil-size hail lasted 5 minutes; rain stopped at 2 p.m.; then rain again 0.27 ins at 3:40 ending at 4:30; intermittent rain after dark further accumulation of 0.14 ins.
4/8/2017 5:00 AM 0.01 M M M M Brief light rain at about 7 a.m. on 4/7
4/9/2017 5:00 AM 0.00 0.0 M M M temp in mid 30's Saturday morning
4/10/2017 5:00 AM 0.00 0.0 M M M it's the start of lawn mowing season!
4/11/2017 5:00 AM 0.00 0.0 M M M full moon very bright at 5 a.m.
4/12/2017 5:00 AM 0.00 0.0 M M M warmest day so far in Annandale on 4/11 - 83F
4/13/2017 5:00 AM 0.00 0.0 M M M
4/14/2017 5:00 AM 0.00 0.0 M M M
4/15/2017 5:00 AM 0.00 0.0 M M M the peep toads sing overnight if the temp rises above 50F
4/16/2017 5:00 AM 0.00 0.0 M M M overnight temp 61F
4/17/2017 5:00 AM T M M M M Rain was just beginning at 5 a.m. 4/17 when I did my rain gauge reading
4/18/2017 5:00 AM 0.13 M M M M Rain started about 5 a.m. on 4/17 and was light and intermittent until about 1:30 p.m.
4/19/2017 5:00 AM 0.00 0.0 M M M no precip between 5 a.m. 4/18 and 5 a.m. 4/19
4/20/2017 5:00 AM T M M M M There was intermittent light rain in the morning 4/19 but only a trace in my rain gauge
4/21/2017 5:00 AM 0.06 M M M M Rain and thunder occurred between 7:45 and 8:15 p.m. There was a light rain just starting at 5 a.m. on 4/21
4/22/2017 5:00 AM 0.02 M M M M Light rain in the morning on 4/21 measured 0.01, and at observation time this morning it is raining again, so far another 0.01
4/23/2017 5:00 AM 0.34 M M M M Light rain was fairly constant throughout the day from about 6 a.m. until about 7 p.m., measuring between 0.06 and 0.09 every 2 hours
4/24/2017 5:00 AM T M M M M Very light rain was just starting as I read the gauge at 5 a.m.
4/25/2017 5:00 AM 0.22 M M M M rain was very light early in the day and then moderate later in the afternoon and early evening
4/26/2017 5:00 AM 0.04 M M M M very light rain all day 4/25
4/27/2017 5:00 AM 0.01 M M M M damp and misty morning of 4/26
4/28/2017 5:00 AM T M M M M
4/29/2017 5:00 AM 0.00 0.0 M M M warm and humid overnight
4/30/2017 5:00 AM T M M M M there was a light rain between 9 and 9:30 a.m. 4/29
5/1/2017 5:00 AM 0.00 0.0 M M M
5/2/2017 5:00 AM 0.01 M M M M Brief light rain at about 7:15 p.m. 5/1 with distant rumble of thunder
5/3/2017 5:00 AM 0.00 0.0 M M M
5/4/2017 5:00 AM 0.00 0.0 M M M
5/5/2017 5:00 AM 0.18 M M M M rain began at about 9:00 p.m. I did not monitor it during the night but it was moderate at 5 a.m.
5/6/2017 5:00 AM 1.86 M M M M Moderate rain was continuing at start of observation time and rain, heavy at times, continued until about 10:30 a.m. Measure was 1.83. Later, light occasional rain began overnight measuring an additional 0.03 inches.
5/7/2017 5:00 AM 0.13 M M M M Rain started at about 9:30 a.m. and light rain continued throughout the day, between 0.01 and 0.03 measured each hour. Temp mid-50's
5/8/2017 5:00 AM 0.01 M M M M light brief rain on Sunday at about 5 p.m.
5/9/2017 5:00 AM 0.00 0.0 M M M
5/10/2017 5:00 AM 0.00 0.0 M M M
5/11/2017 5:00 AM 0.00 0.0 M M M (rain on 5/11 did not start until after observation time from previous 24 hours)
5/12/2017 5:00 AM 1.44 M M M M It started to rain at 7:30 a.m. on 5/11 and then continued raining at a moderate rate throughout the morning and early afternoon, getting lighter in the evening. The rain gauge measured over 1 inch at Noon.
5/13/2017 5:00 AM 0.61 M M M M Rain began at 3 p.m. on 5/12 and has been falling steadily since; still coming down at observation time.
5/14/2017 5:00 AM 0.12 M M M M Rain continued Saturday morning until a little after 7 a.m., and then there was a very fine mist until early afternoon.
5/15/2017 5:00 AM 0.01 M M M M I was not aware when it may have rained; this might have been shaking off the trees as it was a breezy day
5/16/2017 5:00 AM 0.00 0.0 M M M
5/17/2017 5:00 AM 0.00 0.0 M M M
5/18/2017 5:00 AM 0.00 0.0 M M M
5/19/2017 5:00 AM 0.29 M M M M Thunderstorm started at 8:15 p.m. on 5/18, soft rumbling of thunder and a few flashes of lightning. It subsided after half an hour and then continued raining lightly until 9 p.m.
5/20/2017 5:00 AM 0.00 0.0 M M M no precipitation
5/21/2017 5:00 AM 0.00 0.0 M M M cloudy and comfortable but not a spot of rain
5/22/2017 5:00 AM 0.02 M M M M rain started at approx. 3:30 a.m. and continues at time of observation
5/23/2017 5:00 AM 0.34 M M M M It had been raining for a couple of hours before this observation period and ended at about 10:30 a.m.
5/24/2017 5:00 AM 0.15 M M M M Light rain began at 7:00 p.m. and continues at observation time, falling steadily all night
5/25/2017 5:00 AM 0.45 M M M M Rainfall began at 10:45 p.m. and has been steady all night and is still coming down
5/26/2017 5:00 AM 0.38 M M M M Rain from the previous reporting period (before 5 a.m.) continued until about 8:30 a.m. on 5/25 and measured 0.23 inches. And then there was a peek at some sunshine in the mid-afternoon. Then sky was getting dark at 5:30 p.m. and more rain again. Lovely distant cracklings and rumblings of thunder but nothing nearby and no lightning seen. Rain was moderate and steady and continued during the night (don’t know when it stopped but it wasn’t raining at 1 a.m.)
5/27/2017 5:00 AM 0.00 0.0 M M M No rain in the past 24 hours
5/28/2017 5:00 AM T M M M M There was a brief sprinkling of rain at about 5 p.m.
5/29/2017 5:00 AM 0.10 M M M M Light rain in the middle of the day between 12:10 p.m. and about 2:30 p.m.
5/30/2017 5:00 AM T M M M M trace of rain must have occurred overnight
5/31/2017 5:00 AM 1.08 M M M M Morning light rain on 5/30 measured 0.09 inches. Then clear until evening. Thunderstorm began at 8:45 p.m. and heavy rain continued until about 10 p.m. Then there was light rain through the night until maybe 2:30 a.m. (it was difficult to hear if it was rain or just dripping off the trees)
6/1/2017 5:00 AM 0.09 M M M M A brief light rain at about 6:15 a.m. on 5/31 measured 0.01. Later between 5:15 and 5:45 p.m., there was a shower, and some distant rumblings of thunder. Total precipitation for month of May was 7.26 inches.
6/2/2017 5:00 AM 0.00 0.0 M M M No precip. I know it's only been 1 day but I hope this isn't a new trend.
6/3/2017 5:00 AM 0.00 0.0 M M M
6/4/2017 5:00 AM 0.00 0.0 M M M
6/5/2017 5:00 AM 0.00 0.0 M M M
6/6/2017 5:00 AM 0.04 M M M M light rain started at about 10 a.m. on 6/5 and ended about 1 p.m.
6/7/2017 5:00 AM 0.00 0.0 M M M (today's morning rain had not started yet at 5 a.m. observation)
6/8/2017 5:00 AM 0.06 M M M M Light rain in the morning starting about 7:30 a.m. on 6/7. Then the sun peeked through the clouds and I saw a rainbow (in Alexandria)
6/9/2017 5:00 AM 0.00 0.0 M M M
6/10/2017 5:00 AM 0.00 0.0 M M M checked the rain gauge -- bone dry -- and turned on the sprinkler (sigh)
6/11/2017 5:00 AM 0.00 0.0 M M M
6/12/2017 5:00 AM 0.00 0.0 M M M No precipitation but lots of perspiration
6/13/2017 5:00 AM 0.00 0.0 M M M
6/14/2017 5:00 AM 0.00 0.0 M M M Rain gauge bone dry again. While I was watering the lawn, a toad was out enjoying the shower!
6/15/2017 5:00 AM 0.00 0.0 M M M
6/16/2017 5:00 AM 0.00 0.0 M M M nuthin'
6/17/2017 5:00 AM 0.16 M M M M Very light rain in the afternoon between 3:30 and 4:30 (measured 0.03); then a moderate rain began at 7:45 p.m. and there were some rumbles of thunder
6/18/2017 5:00 AM 0.00 0.0 M M M
6/19/2017 5:00 AM 0.00 0.0 M M M Sunday afternoon was breezy but it was very muggy
6/20/2017 5:00 AM 0.52 M M M M Bit blustery in the afternoon on 6/29, and then about 3:15 p.m. it was getting ominously dark, and rain was heavy to moderate for about an hour, measuring 0.31 inches. Some rumbles of thunder but nothing close by. Continued lighter rain for the next 2 hours or so.
6/21/2017 5:00 AM 0.00 0.0 M M M No rain but I did see a lovely sliver of Moon next to Venus in the eastern morning sky
6/22/2017 5:00 AM 0.00 0.0 M M M
6/23/2017 5:00 AM 0.00 0.0 M M M The only thing in my rain gauge was a bug . . . but it was just starting to sprinkle at time of observation (which will be in the report for next 24 hours)
6/24/2017 5:00 AM 0.32 M M M M Rain started at 5 a.m. on 6/23 and measured 0.12 ins. when it ended at approx 7:30 a.m. Another 0.02 ins. of rain between 3:45 and 4:20 p.m. Rain overnight measured 0.18 ins. and is continuing at time of observation.
6/25/2017 5:00 AM 0.00 0.0 M M M
6/26/2017 5:00 AM 0.00 0.0 M M M
6/27/2017 5:00 AM 0.00 0.0 M M M
6/28/2017 5:00 AM 0.00 0.0 M M M
6/29/2017 5:00 AM 0.00 0.0 M M M another glorious day but I wouldn't mind seeing a bit of rain
6/30/2017 5:00 AM 0.00 0.0 M M M
7/1/2017 5:00 AM 0.00 0.0 M M M
7/2/2017 5:00 AM 0.78 M M M M Finally rain in Annandale! A good heavy shower between 3:30 and 4 p.m. Some rumbles of thunder, and then when it seemed to be over, a big crack of thunder.
7/3/2017 5:00 AM 0.00 0.0 M M M
7/4/2017 5:00 AM 0.00 0.0 M M M
7/5/2017 5:00 AM 0.07 M M M M Just before showtime for the fireworks on 4th July, it rained! 15 minutes between 8:45-9:00 pm.
7/6/2017 5:00 AM 0.74 M M M M Light rain morning of 7/5 measured 0.03. In the evening approx 6:30, it rained for about 2 hours, and then rain started again after midnight and continues at time of observation.
7/7/2017 5:00 AM 2.79 M M M M A lovely rainy day! Moderately heavy rain was continuing from previous reporting period at 5 a.m., and kept coming down until 1 p.m. Accumulation 2.33 inches. Then it rained again between 3:30 and 4:00 p.m. measuring addl 0.40 inches. More rain after dark that added addl 0.06 inches.
7/8/2017 5:00 AM 0.11 M M M M Two brief showers on 7/7; one was mid-morning, 0.02 inches; and another in early evening another 0.09 inches. Breezy in the afternoon with beautiful white clouds
7/9/2017 5:00 AM 0.00 0.0 M M M
7/10/2017 5:00 AM 0.00 0.0 M M M
7/11/2017 5:00 AM 0.00 0.0 M M M the only thing in my rain gauge this morning was a bug
7/12/2017 5:00 AM 0.00 0.0 M M M
7/13/2017 5:00 AM 0.00 0.0 M M M
7/14/2017 5:00 AM 0.00 0.0 M M M no rain in Annandale
7/15/2017 5:00 AM 0.26 M M M M Friday afternoon 7/14 about 4:30 p.m., the sky was getting ominously dark and wind picking up, and then rain began, light at first and then moderate for about an hour. Continued raining lightly until about 9 p.m.
7/16/2017 5:00 AM 0.00 0.0 M M M comfortably cool this morning
7/17/2017 5:00 AM 0.00 0.0 M M M
7/18/2017 5:00 AM 0.00 0.0 M M M
7/19/2017 5:00 AM 0.00 0.0 M M M 0% chance of snow
7/20/2017 5:00 AM 0.00 0.0 M M M very warm and humid (altho I do not have a means to measure temp)
7/21/2017 5:00 AM 0.00 0.0 M M M
7/22/2017 5:00 AM 0.00 0.0 M M M when people complain about winter, they never remember THIS
7/23/2017 5:00 AM 1.11 M M M M At 2:45 p.m. 7/22 the sky got dark and the wind picked up and it rained briefly, 0.015 inches, and then clearing. Then at 5:45 p.m., sky got dark again and rain heavy with thunder and some lightening; it continued during the night
7/24/2017 5:00 AM 0.38 M M M M On 7/23, a brief shower just before 2 p.m. (measured 0.03). Then between 10:30-11:30 p.m. heavy rain and some thunder, tapering off to light rain
7/25/2017 5:00 AM 0.40 M M M M When forecast is 15% chance of rain, I don’t bet on it, so this was a pleasant surprise.
7/26/2017 5:00 AM 0.00 0.0 M M M
7/27/2017 5:00 AM 0.00 0.0 M M M
7/28/2017 5:00 AM 0.00 0.0 M M M no precip for previous 24 hour period
7/29/2017 5:00 AM 3.55 M M M M Light rain in the morning between approx 9 a.m. and Noon measured 0.08 inches. Then rain started again heavier at 2:20 p.m. and measured 0.78 at 3:30 p.m. A few rumbles of thunder. At 4:30 p.m. accumulation was over 1 inch, and continued coming down throughout the night. Not raining at 5 a.m. at time of measure. A toad sitting on my front porch! 3.55 inches is equivalent to 3 cups.
7/30/2017 5:00 AM 0.03 M M M M Light rain in the afternoon
7/31/2017 5:00 AM 0.00 0.0 M M M
8/1/2017 5:00 AM 0.00 0.0 M M M
8/2/2017 5:00 AM 0.00 0.0 M M M
8/3/2017 5:00 AM 0.00 0.0 M M M
8/4/2017 5:00 AM 0.13 M M M M Rain started shortly after 6 p.m., and the sun was still shining (must’ve been a nice rainbow but I couldn’t see it for the trees). Rain end about 6:30.
8/5/2017 5:00 AM 0.00 0.0 M M M
8/6/2017 5:00 AM 0.00 0.0 M M M Absolutely gorgeous breezy day
8/7/2017 5:00 AM 0.14 M M M M light rain during the night, continuing at time of observation
8/8/2017 5:00 AM 1.66 M M M M Rain continued from the previous reporting period, ending at approx 4 p.m. 8/7. Heaviest occurred between approx 11:45-1:00 p.m.; a little rain again overnight
8/9/2017 5:00 AM T M M M M previous rain had just ended at beginning of this reporting period
8/10/2017 5:00 AM 0.00 0.0 M M M
8/11/2017 5:00 AM 0.00 0.0 M M M
8/12/2017 5:00 AM 1.27 M M M M Rain started at 6:30 p.m., there was a brief t’storm and then light rainfall through the night. It may still be sprinkling at time of observation or just dripping off the trees.
8/13/2017 5:00 AM 0.80 M M M M Heavy thunderstorm with a couple of nearly simultaneous flash/crack lightning/thunder started at 7:45 p.m. and continued until 8:15; then lighter rain until about 9 p.m.
8/14/2017 5:00 AM 0.00 0.0 M M M
8/15/2017 5:00 AM 0.01 M M M M very light rain seemed to just be starting at time of observation (still dry pavement under the trees)
8/16/2017 5:00 AM 0.23 M M M M Light rain appeared to have begun just before 5 a.m. on 8/15 and continued thru the morning, and had ended by about Noon.
8/17/2017 5:00 AM 0.00 0.0 M M M very humid but no rain
8/18/2017 5:00 AM 0.00 0.0 M M M
8/19/2017 5:00 AM 0.31 M M M M T’storm came through at 5:45 p.m. on 8/18 with some dramatic gusts of wind; rain ended at 6:15 p.m.
8/20/2017 5:00 AM T M M M M don't know when it occurred but things were slightly damp this morning
8/21/2017 5:00 AM 0.00 0.0 M M M
8/22/2017 5:00 AM 0.12 M M M M We were looking forward to observing the solar eclipse and saw one-third of the start of it at about 1:45, then two-thirds at 2:25. And then at anticipated peak of 88% coverage at about 2:45 -- wouldn’t ya know it – one of those scattered afternoon thunderstorms came through!
8/23/2017 5:00 AM 0.00 0.0 M M M
8/24/2017 5:00 AM 0.00 0.0 M M M
8/25/2017 5:00 AM 0.09 M M M M Light rain starting at about 1 a.m., may have ended about 3 a.m.
8/26/2017 5:00 AM 0.00 0.0 M M M
8/27/2017 5:00 AM 0.00 0.0 M M M First time the temp has been below 60 degrees in 4 weeks
8/28/2017 5:00 AM 0.00 0.0 M M M Rather exciting reading daily comments from some of the people in Texas whose rain gauges were overflowing!
8/29/2017 5:00 AM 0.10 M M M M Light rain started about 3 a.m. and was continuing at 5 a.m. observation time.
8/30/2017 5:00 AM 0.94 M M M M Rain had started 3 a.m. on 8/29 and continued steadily until about 6 p.m.; accumulation of 0.94 inches is measured from 5 a.m. observation time.
8/31/2017 5:00 AM 0.00 0.0 M M M
9/1/2017 5:00 AM 0.00 0.0 M M M
9/2/2017 5:00 AM 0.15 M M M M Rain started at about 3 a.m. on 9/2 and is continuing at time of 5 a.m. measure.
9/3/2017 5:00 AM 0.63 M M M M Rain continued from previous 5 a.m. reporting period and ended at 5 p.m. measuring 0.61 inches; additional 0.02 during the night. Heaviest was 0.09 betw 5-6 a.m.; 0.15 betw 8-9 a.m.; 0.10 betw 10-11 a.m.
9/4/2017 5:00 AM 0.00 0.0 M M M
9/5/2017 5:00 AM 0.00 0.0 M M M
9/6/2017 5:00 AM 0.30 M M M M Rain evening of 9/5 between 6:30 and 8:30 p.m.
9/7/2017 5:00 AM 0.55 M M M M Rainy day on 9/6 ending in the early evening
9/8/2017 5:00 AM 0.00 0.0 M M M these comfortable temperatures are wonderful!
9/9/2017 5:00 AM 0.00 0.0 M M M Saw a lovely waning gibbous moon in the early morning sky (love calling it that)
9/10/2017 5:00 AM 0.00 0.0 M M M
9/11/2017 5:00 AM 0.00 0.0 M M M one of the cocorahs volunteers in Florida duct-taped his rain gauge to his dock -- wonder if the dock is still there?
9/12/2017 5:00 AM 0.00 0.0 M M M
9/13/2017 5:00 AM 0.02 M M M M Light rain in the very early morning, continuing at observation time 5 a.m.
9/14/2017 5:00 AM 0.17 M M M M Light rain in the morning (0.12), clearing in the afternoon, and then some additional light rain during the night (0.05)
9/15/2017 5:00 AM 0.01 M M M M a little bit more rain after 5 a.m. on 9/14, then clearing
9/16/2017 5:00 AM 0.00 0.0 M M M
9/17/2017 5:00 AM 0.00 0.0 M M M
9/18/2017 5:00 AM 0.00 0.0 M M M
9/19/2017 5:00 AM 0.00 0.0 M M M
9/20/2017 5:00 AM 0.00 0.0 M M M
9/21/2017 5:00 AM 0.00 0.0 M M M Not much happening her but a cocorahs observer in Puerto Rico recorded 15.43 inches of rain in the 24 hour period 9/19-9/20
9/22/2017 5:00 AM 0.00 0.0 M M M
9/23/2017 5:00 AM 0.00 0.0 M M M Last time I saw a drop of rain was 0.01 on 9/14.
9/24/2017 5:00 AM 0.00 0.0 M M M
9/25/2017 5:00 AM 0.00 0.0 M M M I need to clean the dust out of my rain gauge
9/26/2017 5:00 AM 0.00 0.0 M M M
9/27/2017 5:00 AM 0.00 0.0 M M M
9/28/2017 5:00 AM 0.00 0.0 M M M Now 2 weeks of no rain!
9/29/2017 5:00 AM 0.00 0.0 M M M
9/30/2017 5:00 AM 0.00 0.0 M M M total rain amt for September was 1.83 (last measure taken on 14th Sept)



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground