Station Overview Station Location
Station Number LA-AP-2 Latitude 30.048182
Station Name Donaldsonville 4 SW Longitude -91.04479
County Assumption Parish Elevation (ft) 12



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 17 4.84 2.15 31 2.15 31 0.00 0 0 6 0 0.0 0 0
Nov 17 4.27 1.00 30 1.00 30 0.00 0 0 3 1 0.0 0 0
Dec 17 4.93 7.41 31 7.41 31 0.00 0 0 16 0 6.5 2 2
Jan 18 5.33 6.79 31 6.79 31 0.00 0 0 10 1 0.0 0 0
Feb 18 5.05 4.98 28 4.98 28 0.00 0 0 10 2 0.0 0 0
March 18 4.42 2.21 15 2.21 15 0.00 0 0 4 1 0.0 0 0
April 18 4.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 18 4.61 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 18 7.36 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 18 6.26 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 18 5.84 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 18 4.97 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 62.17" 24.54" 166 days 24.54" 166 0.00" 0 days 0 49 days 5 days 6.5" 2 days 2 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
10/1/2017 0.00
10/2/2017 0.00
10/3/2017 0.13
10/4/2017 0.00
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.00
10/8/2017 0.31
10/9/2017 0.00
10/10/2017 0.00
10/11/2017 0.00
10/12/2017 0.00
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 0.00
10/16/2017 0.12
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.45
10/23/2017 0.10
10/24/2017 0.00
10/25/2017 0.00
10/26/2017 0.00
10/27/2017 0.00
10/28/2017 1.04
10/29/2017 0.00
10/30/2017 0.00
10/31/2017 0.00
11/1/2017 0.00
11/2/2017 0.91
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 0.00
11/6/2017 0.00
11/7/2017 0.00
11/8/2017 0.00
11/9/2017 0.03
11/10/2017 0.00
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.00
11/14/2017 0.00
11/15/2017 0.00
11/16/2017 0.00
11/17/2017 0.00
11/18/2017 0.00
11/19/2017 0.06
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 T
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 0.00
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.05
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.00
12/5/2017 0.00
12/6/2017 1.43
12/7/2017 0.68
12/8/2017 1.04
12/9/2017 0.34
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.00
12/15/2017 0.00
12/16/2017 0.01
12/17/2017 0.75
12/18/2017 2.16
12/19/2017 0.30
12/20/2017 0.03
12/21/2017 0.09
12/22/2017 0.00
12/23/2017 0.05
12/24/2017 0.00
12/25/2017 0.00
12/26/2017 0.00
12/27/2017 0.21
12/28/2017 0.13
12/29/2017 0.01
12/30/2017 0.00
12/31/2017 0.13
Day of YearDaily PrcpMultiday Prcp
1/1/2018 T
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.00
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 1.76
1/9/2018 0.06
1/10/2018 0.00
1/11/2018 0.11
1/12/2018 0.61
1/13/2018 0.00
1/14/2018 0.00
1/15/2018 0.00
1/16/2018 0.00
1/17/2018 0.05
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.06
1/22/2018 0.11
1/23/2018 0.21
1/24/2018 0.00
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.01
1/28/2018 3.81
1/29/2018 0.00
1/30/2018 0.00
1/31/2018 0.00
2/1/2018 0.00
2/2/2018 0.04
2/3/2018 T
2/4/2018 0.14
2/5/2018 0.00
2/6/2018 0.03
2/7/2018 0.18
2/8/2018 0.86
2/9/2018 0.00
2/10/2018 0.00
2/11/2018 0.86
2/12/2018 0.13
2/13/2018 0.00
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 0.00
2/17/2018 T
2/18/2018 0.00
2/19/2018 0.00
2/20/2018 0.00
2/21/2018 0.00
2/22/2018 0.06
2/23/2018 0.00
2/24/2018 0.32
2/25/2018 0.00
2/26/2018 2.36
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 T
3/3/2018 0.00
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 1.34
3/7/2018 0.25
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.10
3/12/2018 0.52
3/13/2018 0.00
3/14/2018 0.00
3/15/2018 0.00
3/16/2018
3/17/2018
3/18/2018
3/19/2018
3/20/2018
3/21/2018
3/22/2018
3/23/2018
3/24/2018
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018
5/1/2018
5/2/2018
5/3/2018
5/4/2018
5/5/2018
5/6/2018
5/7/2018
5/8/2018
5/9/2018
5/10/2018
5/11/2018
5/12/2018
5/13/2018
5/14/2018
5/15/2018
5/16/2018
5/17/2018
5/18/2018
5/19/2018
5/20/2018
5/21/2018
5/22/2018
5/23/2018
5/24/2018
5/25/2018
5/26/2018
5/27/2018
5/28/2018
5/29/2018
5/30/2018
5/31/2018
6/1/2018
6/2/2018
6/3/2018
6/4/2018
6/5/2018
6/6/2018
6/7/2018
6/8/2018
6/9/2018
6/10/2018
6/11/2018
6/12/2018
6/13/2018
6/14/2018
6/15/2018
6/16/2018
6/17/2018
6/18/2018
6/19/2018
6/20/2018
6/21/2018
6/22/2018
6/23/2018
6/24/2018
6/25/2018
6/26/2018
6/27/2018
6/28/2018
6/29/2018
6/30/2018
Day of YearDaily PrcpMultiday Prcp
7/1/2018
7/2/2018
7/3/2018
7/4/2018
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018
7/10/2018
7/11/2018
7/12/2018
7/13/2018
7/14/2018
7/15/2018
7/16/2018
7/17/2018
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018
7/27/2018
7/28/2018
7/29/2018
7/30/2018
7/31/2018
8/1/2018
8/2/2018
8/3/2018
8/4/2018
8/5/2018
8/6/2018
8/7/2018
8/8/2018
8/9/2018
8/10/2018
8/11/2018
8/12/2018
8/13/2018
8/14/2018
8/15/2018
8/16/2018
8/17/2018
8/18/2018
8/19/2018
8/20/2018
8/21/2018
8/22/2018
8/23/2018
8/24/2018
8/25/2018
8/26/2018
8/27/2018
8/28/2018
8/29/2018
8/30/2018
8/31/2018
9/1/2018
9/2/2018
9/3/2018
9/4/2018
9/5/2018
9/6/2018
9/7/2018
9/8/2018
9/9/2018
9/10/2018
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018
9/21/2018
9/22/2018
9/23/2018
9/24/2018
9/25/2018
9/26/2018
9/27/2018
9/28/2018
9/29/2018
9/30/2018



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 8:00 AM 0.00 0.0 M M M
10/2/2017 8:00 AM 0.00 0.0 M M M
10/3/2017 8:00 AM 0.13 M M M M
10/4/2017 8:00 AM 0.00 0.0 M M M
10/5/2017 8:00 AM 0.00 0.0 M M M
10/6/2017 8:00 AM 0.00 0.0 M M M
10/7/2017 8:00 AM 0.00 0.0 M M M
10/8/2017 8:00 AM 0.31 M M M M Rain shower with thunder at 8:00 am lasted to 9:30 am with light rain and rain shower at 4:30 pm
10/9/2017 8:00 AM 0.00 0.0 M M M
10/10/2017 8:00 AM 0.00 0.0 M M M
10/11/2017 8:00 AM 0.00 0.0 M M M
10/12/2017 8:00 AM 0.00 0.0 M M M
10/13/2017 8:00 AM 0.00 0.0 M M M
10/14/2017 8:00 AM 0.00 0.0 M M M
10/15/2017 8:00 AM 0.00 0.0 M M M
10/16/2017 8:00 AM 0.12 M M M M
10/17/2017 8:00 AM 0.00 0.0 M M M
10/18/2017 8:00 AM 0.00 0.0 M M M
10/19/2017 8:00 AM 0.00 0.0 M M M
10/20/2017 8:00 AM 0.00 0.0 M M M
10/21/2017 8:00 AM 0.00 0.0 M M M
10/22/2017 8:00 AM 0.45 M M M M
10/23/2017 8:00 AM 0.10 M M M M
10/24/2017 8:00 AM 0.00 0.0 M M M
10/25/2017 8:00 AM 0.00 0.0 M M M
10/26/2017 8:00 AM 0.00 0.0 M M M
10/27/2017 8:00 AM 0.00 0.0 M M M
10/28/2017 8:00 AM 1.04 M M M M
10/29/2017 8:00 AM 0.00 0.0 M M M
10/30/2017 8:00 AM 0.00 0.0 M M M
10/31/2017 8:00 AM 0.00 0.0 M M M
11/1/2017 8:00 AM 0.00 0.0 M M M
11/2/2017 8:00 AM 0.91 M M M M
11/3/2017 8:00 AM 0.00 0.0 M M M
11/4/2017 8:00 AM 0.00 0.0 M M M
11/5/2017 8:00 AM 0.00 0.0 M M M
11/6/2017 8:00 AM 0.00 0.0 M M M
11/7/2017 8:00 AM 0.00 0.0 M M M
11/8/2017 8:00 AM 0.00 0.0 M M M
11/9/2017 8:00 AM 0.03 M M M M Early morning rain with cold frontal passage
11/10/2017 8:00 AM 0.00 0.0 M M M
11/11/2017 8:00 AM 0.00 0.0 M M M
11/12/2017 8:00 AM 0.00 0.0 M M M
11/13/2017 8:00 AM 0.00 0.0 M M M
11/14/2017 8:00 AM 0.00 0.0 M M M
11/15/2017 8:00 AM 0.00 0.0 M M M
11/16/2017 8:00 AM 0.00 0.0 M M M
11/17/2017 8:00 AM 0.00 0.0 M M M
11/18/2017 8:00 AM 0.00 0.0 M M M
11/19/2017 8:00 AM 0.06 M M M M Rain showers ahead of a cold front and at 8:00 pm a second line of rain showers with cold frontal passage.
11/20/2017 8:00 AM 0.00 0.0 M M M
11/21/2017 8:00 AM 0.00 0.0 M M M
11/22/2017 8:00 AM T M M M M
11/23/2017 8:00 AM 0.00 0.0 M M M
11/24/2017 8:00 AM 0.00 0.0 M M M
11/25/2017 8:00 AM 0.00 0.0 M M M
11/26/2017 8:00 AM 0.00 0.0 M M M
11/27/2017 8:00 AM 0.00 0.0 M M M
11/28/2017 8:00 AM 0.00 0.0 M M M
11/29/2017 8:00 AM 0.00 0.0 M M M
11/30/2017 8:00 AM 0.00 0.0 M M M
12/1/2017 8:00 AM 0.05 M M M M Light rain with cold frontal passage
12/2/2017 8:00 AM 0.00 0.0 M M M
12/3/2017 8:00 AM 0.00 0.0 M M M
12/4/2017 8:00 AM 0.00 0.0 M M M
12/5/2017 8:00 AM 0.00 0.0 M M M
12/6/2017 8:00 AM 1.43 M M M M
12/7/2017 8:00 AM 0.68 M M M M
12/8/2017 8:00 AM 1.04 1.5 M 1.5 M Snow at observation {EDIT: observer reported 1.5 of total snow depth with a melted core value of 1.40. SWE of 1.40 is high for 1.50 of snow. This might be a typo. Changed report of 1.40 to NA until observer can be contacted to verify. Submission Time Before EDIT: 12/08/2017 8:43 AM CoCoSTAFF DNT} There was a long period of rain before the transition to snow occurred, hence the 1.04" observation. It is on par with other totals in the region. (KGB) 12-14-17
12/9/2017 8:00 AM 0.34 5.0 0.34 5.0 M Snow from observation until ending at 4 pm {EDIT: Observer reported 5.0 for new snow depth with a melted core value of 3.40. SWE of 3.40 is high, this appears to be a decimal typo. Changed SWE of 3.40 to 0.34 until observer can be contacted to verify. Submission Time Before EDIT: 12/09/2017 8:07 AM CoCoSTAFF DNT} KGB - 12/20/2017 > 0.34 is the correct value, no further corrections needed.
12/10/2017 8:00 AM 0.00 0.0 M M M
12/11/2017 8:00 AM 0.00 0.0 M M M
12/12/2017 8:00 AM 0.00 0.0 M M M
12/13/2017 8:00 AM 0.00 0.0 M M M
12/14/2017 8:00 AM 0.00 0.0 M M M
12/15/2017 8:00 AM 0.00 0.0 M M M
12/16/2017 8:00 AM 0.01 M M M M Light rain and drizle
12/17/2017 8:00 AM 0.75 M M M M The rain started at 6:30 am with a few rumbles of thunder. Light rain continues even at observation time.
12/18/2017 8:00 AM 2.16 M M M M Rain heavy at times with thunder
12/19/2017 8:00 AM 0.30 M M M M Light rain and drizzle
12/20/2017 8:00 AM 0.03 M M M M Lightrain
12/21/2017 8:00 AM 0.09 M M M M Light rain with frontal passage
12/22/2017 8:00 AM 0.00 0.0 M M M
12/23/2017 8:00 AM 0.05 M M M M Light rian with cold frontal passage
12/24/2017 8:00 AM 0.00 0.0 M M M
12/25/2017 8:00 AM 0.00 0.0 M M M
12/26/2017 8:00 AM 0.00 0.0 M M M
12/27/2017 8:00 AM 0.21 M M M M On and off light rain
12/28/2017 8:00 AM 0.13 M M M M Light rain and drizzle last 24 hours light rain at observation
12/29/2017 8:00 AM 0.01 M M M M Light rain and drizzle
12/30/2017 8:00 AM 0.00 0.0 M M M
12/31/2017 8:00 AM 0.13 M M M M Light rain at 9:05 to 9:10 pm and light rain from 6:40 am to 6:50 am
1/1/2018 8:00 AM T M M M M Light drizzle
1/2/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/3/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/4/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/5/2018 8:00 AM 0.00 0.0 M M M
1/6/2018 8:00 AM 0.00 0.0 M M M
1/7/2018 8:00 AM 0.00 0.0 M M M
1/8/2018 8:00 AM 1.76 M M M M Over cast most of the day rain started at 6:00 pm. I had run on and off through the night until observation time. Light rain at o servation.
1/9/2018 8:00 AM 0.06 M M M M Light rain and drizzle from 7 am until 8 am over cast rest of the day.
1/10/2018 8:00 AM 0.00 0.0 M M M
1/11/2018 8:00 AM 0.11 M M M M Light rain at 4:30
1/12/2018 8:00 AM 0.61 M M M M The 24 hours period started with fog and the rest of the day was overcast. The rain ahead of a cold front started at 9:10 pm and ending at 10:55 pm
1/13/2018 8:00 AM 0.00 0.0 M M M
1/14/2018 8:00 AM 0.00 0.0 M M M
1/15/2018 8:00 AM 0.00 0.0 M M M
1/16/2018 8:00 AM 0.00 0.0 M M M
1/17/2018 8:00 AM 0.05 T M M M At 4:30 pm light drizzle and light rain started then at 6:45 mixed precipitation in the area at 9 pm mixed precipitation with some snow. All precipitation ended 11:30 pm Very cold air in the area with a low temperature of 15 degrees.
1/18/2018 8:00 AM 0.00 0.0 M M M
1/19/2018 8:00 AM 0.00 0.0 M M M
1/20/2018 8:00 AM 0.00 0.0 M M M
1/21/2018 8:00 AM 0.06 M M M M
1/22/2018 8:00 AM 0.11 M M M M Rain showers
1/23/2018 8:00 AM 0.21 M M M M Rain with cold frontal passage
1/24/2018 8:00 AM 0.00 0.0 M M M
1/25/2018 8:00 AM 0.00 0.0 M M M
1/26/2018 8:00 AM 0.00 0.0 M M M
1/27/2018 8:00 AM 0.01 M M M M
1/28/2018 8:00 AM 3.81 M M M M Rain and thunderstorms rain heavy at times
1/29/2018 8:00 AM 0.00 M M M M
1/30/2018 8:00 AM 0.00 M M M M
1/31/2018 8:00 AM 0.00 M M M M
2/1/2018 8:00 AM 0.00 M M M M
2/2/2018 8:00 AM 0.04 M M M M over cast day with light rain early morning with light rain at observation
2/3/2018 8:00 AM T M M M M Light rain after observation from 7:00 am until 7:15 am
2/4/2018 8:00 AM 0.14 M M M M
2/5/2018 8:00 AM 0.00 M M M M
2/6/2018 8:00 AM 0.03 M M M M Light rain with a few rumble of thunder
2/7/2018 8:00 AM 0.18 M M M M Afternoon rain shower
2/8/2018 8:00 AM 0.86 M M M M Light rain to moderate rain starting at 9:30 am ending at 8:00 pm
2/9/2018 8:00 AM 0.00 M M M M
2/10/2018 8:00 AM 0.00 0.0 M M M
2/11/2018 8:00 AM 0.86 M M M M
2/12/2018 8:00 AM 0.13 M M M M
2/13/2018 8:00 AM 0.00 0.0 M M M
2/14/2018 8:00 AM 0.00 M M M M
2/15/2018 8:00 AM 0.00 M M M M
2/16/2018 8:00 AM 0.00 M M M M
2/17/2018 8:00 AM T M M M M
2/18/2018 8:00 AM 0.00 0.0 M M M
2/19/2018 8:00 AM 0.00 M M M M
2/20/2018 8:00 AM 0.00 M M M M
2/21/2018 8:00 AM 0.00 M M M M
2/22/2018 8:00 AM 0.06 M M M M Light rain shower at 1:30 pm ended at 1:34
2/23/2018 8:00 AM 0.00 M M M M
2/24/2018 8:00 AM 0.32 M M M M Rain showers the first at 11:30 am and the second at 1:40 pm
2/25/2018 8:00 AM 0.00 0.0 M M M
2/26/2018 8:00 AM 2.36 M M M M Early morning thunderstorm with heavy rain
2/27/2018 8:00 AM 0.00 M M M M
2/28/2018 8:00 AM 0.00 M M M M
3/1/2018 8:00 AM 0.00 M M M M
3/2/2018 8:00 AM T M M M M Drizzle with cold frotal passage
3/3/2018 8:00 AM 0.00 0.0 M M M
3/4/2018 8:00 AM 0.00 0.0 M M M
3/5/2018 8:00 AM 0.00 M M M M
3/6/2018 8:00 AM 1.34 M M M M Light rain at 1:30 am becoming heavy rain with cold frontal passage
3/7/2018 8:00 AM 0.25 M M M M Light rain after cold frontal passage
3/8/2018 8:00 AM 0.00 M M M M
3/9/2018 8:00 AM 0.00 M M M M
3/10/2018 8:00 AM 0.00 0.0 M M M
3/11/2018 8:00 AM 0.10 M M M M
3/12/2018 8:00 AM 0.52 M M M M
3/13/2018 8:00 AM 0.00 M M M M
3/14/2018 8:00 AM 0.00 0.0 M M M
3/15/2018 8:00 AM 0.00 0.0 M M M



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