Station Overview Station Location
Station Number NH-RC-27 Latitude 42.866635
Station Name Londonderry 1.0 NW Longitude -71.374877
County Rockingham Elevation (ft) 425



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 09 4.36 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 09 4.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 09 3.58 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 10 3.08 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 10 3.16 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 10 3.88 11.30 19 6.95 16 4.35 3 1 7 0 0.0 0 0
April 10 3.97 0.02 6 0.02 6 0.00 0 0 1 0 0.0 0 0
May 10 4.12 1.82 11 1.82 11 0.00 0 0 4 0 0.0 0 0
June 10 4.10 1.09 10 0.83 7 0.26 3 1 4 0 0.0 0 0
July 10 3.62 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 3.54 2.20 3 2.20 3 0.00 0 0 1 0 0.0 0 0
Sept 10 3.64 1.09 15 0.98 11 0.11 4 1 4 1 0.0 0 0
Water Year Totals: 45.24" 17.52" 64 days 12.80" 54 4.72" 10 days 3 21 days 1 days 0.0" 0 days 0 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009
10/14/2009
10/15/2009
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009
10/31/2009
11/1/2009
11/2/2009
11/3/2009
11/4/2009
11/5/2009
11/6/2009
11/7/2009
11/8/2009
11/9/2009
11/10/2009
11/11/2009
11/12/2009
11/13/2009
11/14/2009
11/15/2009
11/16/2009
11/17/2009
11/18/2009
11/19/2009
11/20/2009
11/21/2009
11/22/2009
11/23/2009
11/24/2009
11/25/2009
11/26/2009
11/27/2009
11/28/2009
11/29/2009
11/30/2009
12/1/2009
12/2/2009
12/3/2009
12/4/2009
12/5/2009
12/6/2009
12/7/2009
12/8/2009
12/9/2009
12/10/2009
12/11/2009
12/12/2009
12/13/2009
12/14/2009
12/15/2009
12/16/2009
12/17/2009
12/18/2009
12/19/2009
12/20/2009
12/21/2009
12/22/2009
12/23/2009
12/24/2009
12/25/2009
12/26/2009
12/27/2009
12/28/2009
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010
1/2/2010
1/3/2010
1/4/2010
1/5/2010
1/6/2010
1/7/2010
1/8/2010
1/9/2010
1/10/2010
1/11/2010
1/12/2010
1/13/2010
1/14/2010
1/15/2010
1/16/2010
1/17/2010
1/18/2010
1/19/2010
1/20/2010
1/21/2010
1/22/2010
1/23/2010
1/24/2010
1/25/2010
1/26/2010
1/27/2010
1/28/2010
1/29/2010
1/30/2010
1/31/2010
2/1/2010
2/2/2010
2/3/2010
2/4/2010
2/5/2010
2/6/2010
2/7/2010
2/8/2010
2/9/2010
2/10/2010
2/11/2010
2/12/2010
2/13/2010
2/14/2010
2/15/2010
2/16/2010
2/17/2010
2/18/2010
2/19/2010
2/20/2010
2/21/2010
2/22/2010
2/23/2010
2/24/2010
2/25/2010
2/26/2010
2/27/2010
2/28/2010
3/1/2010
3/2/2010
3/3/2010
3/4/2010
3/5/2010
3/6/2010
3/7/2010
3/8/2010 0.00
3/9/2010 0.00
3/10/2010 0.00
3/11/2010 0.00
3/12/2010
3/13/2010 **
3/14/2010 **
3/15/2010 4.35
3/16/2010 0.84
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010
3/21/2010
3/22/2010 0.00
3/23/2010 1.30
3/24/2010 0.60
3/25/2010 0.00
3/26/2010 0.23
3/27/2010
3/28/2010
3/29/2010 0.28
3/30/2010 1.16
3/31/2010 2.54
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.02
4/2/2010
4/3/2010
4/4/2010
4/5/2010
4/6/2010 0.00
4/7/2010 0.00
4/8/2010 0.00
4/9/2010
4/10/2010
4/11/2010
4/12/2010
4/13/2010
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010 0.00
4/21/2010 0.00
4/22/2010
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010
4/28/2010
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010 0.21
5/5/2010
5/6/2010 0.00
5/7/2010
5/8/2010
5/9/2010
5/10/2010 0.00
5/11/2010
5/12/2010 0.00
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010 0.00
5/18/2010
5/19/2010 0.81
5/20/2010 0.17
5/21/2010
5/22/2010
5/23/2010
5/24/2010 0.00
5/25/2010 0.00
5/26/2010 0.00
5/27/2010 0.63
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010 0.00
6/3/2010 0.00
6/4/2010 0.32
6/5/2010
6/6/2010
6/7/2010
6/8/2010 0.00
6/9/2010
6/10/2010 0.19
6/11/2010 0.30
6/12/2010 **
6/13/2010 **
6/14/2010 0.26
6/15/2010
6/16/2010
6/17/2010 0.02
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010 2.20
8/27/2010 0.00
8/28/2010
8/29/2010
8/30/2010
8/31/2010 0.00
9/1/2010 0.00
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010 0.07
9/8/2010 0.13
9/9/2010 0.00
9/10/2010
9/11/2010
9/12/2010
9/13/2010 T
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010 0.00
9/20/2010
9/21/2010
9/22/2010 0.00
9/23/2010 0.00
9/24/2010 0.00 **
9/25/2010 **
9/26/2010 **
9/27/2010 0.11
9/28/2010 0.61
9/29/2010
9/30/2010 0.17



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
3/8/2010 8:00 AM 0.00 0.0 M M M
3/9/2010 8:00 AM 0.00 0.0 M M M Beautiful weather!
3/10/2010 8:00 AM 0.00 0.0 M M M
3/11/2010 8:00 AM 0.00 0.0 M M M
3/16/2010 9:00 AM 0.84 0.0 M 0.0 M No snow observed, even in lightly wooded areas.
3/17/2010 8:00 AM 0.00 0.0 M M M
3/18/2010 8:00 AM 0.00 0.0 M M M
3/19/2010 8:00 AM 0.00 0.0 M M M
3/22/2010 8:00 AM 0.00 0.0 M 0.0 M
3/23/2010 9:00 AM 1.30 0.0 M 0.0 M HEavy rain this morning. Winds 3-8 MPH. Temp. 40
3/24/2010 8:30 AM 0.60 0.0 M 0.0 M NW wind at 6-10 with higher gusts (at ground level). Temperature 38.
3/25/2010 8:00 AM 0.00 0.0 M 0.0 M Calm winds, temperature 38.
3/26/2010 8:00 AM 0.23 T M 0.0 M Precipitation ended with a burst of snow. Gauge froze up and had to be taken in to melt. Wind shift to Northwest at 12MPH, temperature 33.
3/29/2010 8:00 AM 0.28 0.0 M 0.0 M Steady rain at observation time, temperature 46.
3/30/2010 8:00 AM 1.16 0.0 M 0.0 M Heavy rain at observation time. Temperature at 42, winds out of the Northeast.
3/31/2010 8:00 AM 2.54 0.0 M 0.0 M Light drizzle at observation time. Temperature 44, Humidity 93%, wind 7 MPH from the North.
4/1/2010 8:00 AM 0.02 0.0 M 0.0 M
4/6/2010 8:00 AM 0.00 0.0 M M M
4/7/2010 8:00 AM 0.00 0.0 M M M
4/8/2010 8:00 AM 0.00 0.0 M M M
4/20/2010 8:00 AM 0.00 0.0 M M M
4/21/2010 8:00 AM 0.00 0.0 M M M
5/4/2010 8:00 AM 0.21 M M M M Almost all of the precipitation came from a short burst at approximately 3:15 PM on Monday.
5/6/2010 8:00 AM 0.00 0.0 M M M
5/10/2010 8:00 AM 0.00 0.0 M M M
5/12/2010 8:00 AM 0.00 0.0 M M M Overcast but dry!
5/17/2010 8:00 AM 0.00 0.0 M M M
5/19/2010 8:00 AM 0.81 M M M M Northeast wind at 3-5 MPH. Steady drizzle.
5/20/2010 8:00 AM 0.17 M M M M Sunny and clear at observation time.
5/24/2010 8:00 AM 0.00 0.0 M M M
5/25/2010 8:00 AM 0.00 0.0 M M M
5/26/2010 8:00 AM 0.00 0.0 M M M
5/27/2010 8:00 AM 0.63 M M M M Calm winds, overcast skies. 58 degrees.
6/2/2010 8:00 AM 0.00 0.0 M M M
6/3/2010 8:00 AM 0.00 0.0 M M M
6/4/2010 8:00 AM 0.32 M M M M
6/8/2010 8:00 AM 0.00 0.0 M M M
6/10/2010 8:00 AM 0.19 M M M M
6/11/2010 8:00 AM 0.30 M M M M
6/17/2010 8:00 AM 0.02 M M M M Our final reading until next school year!!!! Schools out, we will return to readings in late August!
8/26/2010 8:00 AM 2.20 M M M M First reading of the school year.......wet morning yesterday!!!!
8/27/2010 8:00 AM 0.00 0.0 M M M
8/31/2010 8:00 AM 0.00 0.0 M M M
9/1/2010 8:00 AM 0.00 0.0 M M M
9/7/2010 8:00 AM 0.07 M M M M
9/8/2010 9:00 AM 0.13 M M M M
9/9/2010 9:00 AM 0.00 0.0 M M M
9/13/2010 9:00 AM T M M M M
9/19/2010 9:00 AM 0.00 0.0 M M M
9/22/2010 9:00 AM 0.00 0.0 M M M
9/23/2010 9:00 AM 0.00 0.0 M M M
9/24/2010 9:00 AM 0.00 0.0 M M M
9/28/2010 9:00 AM 0.61 M M M M
9/30/2010 9:00 AM 0.17 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/13/2010 3/15/2010 9:30 AM 3 4.35 0.0 M
6/12/2010 6/14/2010 8:00 AM 3 0.26 M M
9/24/2010 9/27/2010 9:00 AM 4 0.11 M M



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