Station Overview Station Location
Station Number NY-WC-19 Latitude 41.042666
Station Name Elmsford 0.8 SSW Longitude -73.822799
County Westchester Elevation (ft) 297



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 19 4.42 9.07 11 9.07 11 0.00 0 0 11 0 0.0 0 0
Nov 19 4.13 2.48 5 2.48 5 0.00 0 0 5 0 0.0 0 0
Dec 19 4.06 4.71 4 4.71 4 0.00 0 0 4 0 0.0 0 1
Jan 20 3.55 0.81 20 0.81 6 0.00 14 0 6 0 0.1 1 1
Feb 20 2.92 4.31 11 2.22 6 2.09 5 2 6 0 0.0 0 0
March 20 4.18 3.50 9 3.50 9 0.00 0 0 9 0 0.0 0 0
April 20 4.38 5.55 9 5.55 9 0.00 0 0 9 0 0.0 0 0
May 20 4.30 2.56 9 2.56 9 0.00 0 0 9 0 0.0 0 0
June 20 4.27 2.57 7 2.57 7 0.00 0 0 7 0 0.0 0 0
July 20 4.46 5.75 8 5.75 8 0.00 0 0 8 0 0.0 0 0
Aug 20 4.25 3.32 10 3.32 10 0.00 0 0 10 0 0.0 0 0
Sept 20 4.53 3.76 6 3.76 6 0.00 0 0 6 0 0.0 0 0
Water Year Totals: 49.45" 48.39" 109 days 46.30" 90 2.09" 19 days 2 90 days 0 days 0.1" 1 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
10/1/2019
10/2/2019 0.34
10/3/2019 0.36
10/4/2019 0.11
10/5/2019
10/6/2019
10/7/2019
10/8/2019 0.55
10/9/2019
10/10/2019 0.40
10/11/2019
10/12/2019
10/13/2019
10/14/2019
10/15/2019
10/16/2019
10/17/2019 3.18
10/18/2019
10/19/2019
10/20/2019
10/21/2019 0.44
10/22/2019
10/23/2019 0.65
10/24/2019
10/25/2019
10/26/2019
10/27/2019 2.01
10/28/2019
10/29/2019
10/30/2019 0.10
10/31/2019 0.93
11/1/2019 0.14
11/2/2019
11/3/2019
11/4/2019
11/5/2019
11/6/2019
11/7/2019 0.16
11/8/2019 M
11/9/2019
11/10/2019
11/11/2019
11/12/2019
11/13/2019
11/14/2019
11/15/2019
11/16/2019
11/17/2019
11/18/2019
11/19/2019 1.09
11/20/2019
11/21/2019
11/22/2019 0.09
11/23/2019
11/24/2019 1.00
11/25/2019
11/26/2019
11/27/2019
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019 M
12/5/2019
12/6/2019
12/7/2019
12/8/2019
12/9/2019
12/10/2019 1.27
12/11/2019
12/12/2019
12/13/2019
12/14/2019 2.30
12/15/2019 0.04
12/16/2019
12/17/2019
12/18/2019
12/19/2019
12/20/2019
12/21/2019
12/22/2019
12/23/2019
12/24/2019
12/25/2019
12/26/2019
12/27/2019
12/28/2019
12/29/2019 1.10
12/30/2019
12/31/2019
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.09
1/2/2020
1/3/2020 0.15
1/4/2020
1/5/2020 0.30
1/6/2020 0.03
1/7/2020
1/8/2020
1/9/2020
1/10/2020
1/11/2020
1/12/2020 0.09
1/13/2020
1/14/2020
1/15/2020
1/16/2020 0.15
1/17/2020
1/18/2020 **
1/19/2020 **
1/20/2020 **
1/21/2020 **
1/22/2020 **
1/23/2020 **
1/24/2020 **
1/25/2020 **
1/26/2020 **
1/27/2020 **
1/28/2020 **
1/29/2020 **
1/30/2020 **
1/31/2020 **
2/1/2020 **
2/2/2020 1.51
2/3/2020 0.05
2/4/2020
2/5/2020 0.01
2/6/2020 0.42
2/7/2020 0.40
2/8/2020
2/9/2020
2/10/2020
2/11/2020 0.69
2/12/2020
2/13/2020 0.65
2/14/2020
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020
2/20/2020
2/21/2020
2/22/2020
2/23/2020
2/24/2020
2/25/2020 **
2/26/2020 **
2/27/2020 0.58
2/28/2020
2/29/2020
3/1/2020
3/2/2020
3/3/2020 0.05
3/4/2020 0.23
3/5/2020
3/6/2020
3/7/2020 0.23
3/8/2020
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020 0.34
3/14/2020
3/15/2020
3/16/2020
3/17/2020 0.16
3/18/2020
3/19/2020 0.78
3/20/2020
3/21/2020
3/22/2020
3/23/2020 0.93
3/24/2020
3/25/2020
3/26/2020
3/27/2020
3/28/2020 0.76
3/29/2020
3/30/2020 0.02
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
4/4/2020
4/5/2020
4/6/2020
4/7/2020
4/8/2020 0.08
4/9/2020 0.26
4/10/2020
4/11/2020
4/12/2020
4/13/2020 1.88
4/14/2020
4/15/2020 0.03
4/16/2020
4/17/2020
4/18/2020 0.61
4/19/2020
4/20/2020
4/21/2020 0.33
4/22/2020
4/23/2020
4/24/2020 0.71
4/25/2020
4/26/2020
4/27/2020 0.40
4/28/2020
4/29/2020
4/30/2020 1.25
5/1/2020 0.31
5/2/2020
5/3/2020 0.10
5/4/2020
5/5/2020
5/6/2020
5/7/2020
5/8/2020
5/9/2020 0.80
5/10/2020
5/11/2020
5/12/2020 0.05
5/13/2020
5/14/2020
5/15/2020 0.15
5/16/2020 0.27
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020 0.66
5/24/2020
5/25/2020
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020 0.19
5/31/2020 0.03
6/1/2020
6/2/2020
6/3/2020 0.42
6/4/2020
6/5/2020 0.40
6/6/2020 0.14
6/7/2020
6/8/2020
6/9/2020
6/10/2020
6/11/2020 0.27
6/12/2020
6/13/2020
6/14/2020
6/15/2020
6/16/2020
6/17/2020
6/18/2020
6/19/2020
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020
6/25/2020
6/26/2020
6/27/2020
6/28/2020 1.08
6/29/2020 0.05
6/30/2020 0.21
Day of YearDaily PrcpMultiday Prcp
7/1/2020
7/2/2020
7/3/2020 0.02
7/4/2020 0.41
7/5/2020
7/6/2020
7/7/2020
7/8/2020 0.21
7/9/2020
7/10/2020
7/11/2020 1.53
7/12/2020 0.47
7/13/2020
7/14/2020
7/15/2020
7/16/2020
7/17/2020 1.38
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020 0.53
7/23/2020
7/24/2020
7/25/2020
7/26/2020
7/27/2020
7/28/2020
7/29/2020
7/30/2020
7/31/2020 1.20
8/1/2020
8/2/2020
8/3/2020
8/4/2020 0.72
8/5/2020
8/6/2020
8/7/2020
8/8/2020 0.17
8/9/2020
8/10/2020
8/11/2020
8/12/2020
8/13/2020 0.10
8/14/2020
8/15/2020
8/16/2020 0.28
8/17/2020 1.03
8/18/2020 0.15
8/19/2020
8/20/2020
8/21/2020
8/22/2020 0.24
8/23/2020
8/24/2020
8/25/2020
8/26/2020 0.30
8/27/2020 0.20
8/28/2020
8/29/2020 0.13
8/30/2020
8/31/2020
9/1/2020 0.31
9/2/2020 0.21
9/3/2020 0.44
9/4/2020
9/5/2020
9/6/2020
9/7/2020
9/8/2020
9/9/2020
9/10/2020 0.87
9/11/2020
9/12/2020
9/13/2020
9/14/2020
9/15/2020
9/16/2020
9/17/2020
9/18/2020
9/19/2020
9/20/2020
9/21/2020
9/22/2020
9/23/2020
9/24/2020
9/25/2020
9/26/2020
9/27/2020
9/28/2020 0.11
9/29/2020
9/30/2020 1.82



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2019 7:00 PM 0.34 M M M M
10/3/2019 9:00 PM 0.36 M M M M
10/4/2019 9:00 AM 0.11 M M M M
10/8/2019 10:00 AM 0.55 M M M M
10/10/2019 9:00 AM 0.40 M M M M
10/17/2019 10:00 AM 3.18 M M M M Steady rain for hours yesterday.
10/21/2019 9:00 AM 0.44 M M M M Light rain throughout yesterday afternoon and evening.
10/23/2019 9:00 AM 0.65 M M M M Rain from mid-day yesterday through the night.
10/27/2019 4:00 PM 2.01 M M M M
10/30/2019 10:00 AM 0.10 M M M M
10/31/2019 2:00 PM 0.93 M M M M
11/1/2019 10:00 AM 0.14 M M M M considerably less than expected from the front last night.
11/7/2019 10:00 AM 0.16 M M M M
11/8/2019 9:00 AM M 0.0 M M M (Edit: originally submitted 11/12/2019 1:26 AM as 0" precip, false zero but amt is likely covered in previous day's 10 AM report so edited this one to NA - SGB 12/9/19)
11/19/2019 11:00 AM 1.09 M M M M Far more than the 0.3" predicted.
11/22/2019 4:00 PM 0.09 M M M M
11/24/2019 5:00 PM 1.00 M M M M
12/4/2019 9:00 AM M M M 2.0 M There was 2" of snow on top of the column of rain. Not sure what the snow melted down to in inches. (edit: originally submitted 12/07/2019 1:39 PM as 0.91" precip and 2" snowfall, suspect this is an accum or for another day, edited to na and will contact observer - SGB 1/3/20)
12/10/2019 11:00 AM 1.27 M M M M Rain began early on the 9th. Temps in the 50s washed away all remaining snow.
12/14/2019 11:00 AM 2.30 M M M M Total covers previous 4 days including 2.5" of melted snow.
12/15/2019 10:00 AM 0.04 M M M M
12/29/2019 11:00 PM 1.10 M M M M Rain began the previous afternoon and countinued more than 24 hours.
1/1/2020 9:00 AM 0.09 M M M M
1/3/2020 5:00 PM 0.15 M M M M
1/5/2020 9:00 AM 0.30 M M M M
1/6/2020 1:00 PM 0.03 0.1 0.03 0.1 M Precipitation fell as snow overnight but melted in the morning.
1/12/2020 9:00 AM 0.09 M M M M
1/16/2020 9:00 AM 0.15 M M M M
2/3/2020 10:00 AM 0.05 M M M M
2/5/2020 10:00 AM 0.01 M M M M
2/6/2020 2:00 PM 0.42 M M M M
2/7/2020 2:00 PM 0.40 M M M M
2/11/2020 4:00 PM 0.69 M M M M Light rain since yesterday morning.
2/13/2020 5:00 PM 0.65 M M M M
3/3/2020 9:00 AM 0.05 M M M M
3/4/2020 9:00 AM 0.23 M M M M
3/7/2020 9:00 AM 0.23 M M M M
3/13/2020 1:00 PM 0.34 M M M M
3/17/2020 1:00 PM 0.16 M M M M
3/19/2020 11:00 AM 0.78 M M M M
3/23/2020 10:00 PM 0.93 M M M M Initial snow melted on contact and light rain continued most of the day.
3/28/2020 5:00 PM 0.76 M M M M
3/30/2020 10:00 AM 0.02 M M M M
4/8/2020 10:00 AM 0.08 M M M M
4/9/2020 4:00 PM 0.26 M M M M
4/13/2020 7:00 PM 1.88 M M M M Strong winds with this storm.
4/15/2020 9:00 AM 0.03 M M M M
4/18/2020 2:00 PM 0.61 M M M M
4/21/2020 11:00 PM 0.33 M M M M
4/24/2020 9:00 PM 0.71 M M M M
4/27/2020 11:00 PM 0.40 M M M M
4/30/2020 11:00 PM 1.25 M M M M
5/1/2020 3:00 PM 0.31 M M M M
5/3/2020 9:00 AM 0.10 M M M M
5/9/2020 9:00 AM 0.80 M M M M
5/12/2020 9:00 AM 0.05 M M M M
5/15/2020 9:00 AM 0.15 M M M M
5/16/2020 9:00 AM 0.27 M M M M
5/23/2020 7:00 PM 0.66 M M M M Rain egan about 24 hours earlier.
5/30/2020 9:00 AM 0.19 M M M M
5/31/2020 9:00 AM 0.03 M M M M
6/3/2020 11:00 PM 0.42 M M M M 2 waves came through several hours apart producing 0.11" late morning and .31" after sunset.
6/5/2020 9:00 AM 0.40 M M M M
6/6/2020 11:00 AM 0.14 M M M M
6/11/2020 6:00 PM 0.27 M M M M
6/28/2020 4:30 PM 1.08 M M M M Intense rain over a roughly 20 minute period with some minor hail.
6/29/2020 10:00 PM 0.05 M M M M
6/30/2020 7:00 PM 0.21 M M M M 2 minor then 1arger shower (0.21")
7/3/2020 9:00 AM 0.02 M M M M
7/4/2020 9:00 AM 0.41 M M M M Most rain came about 7 PM the night before.
7/8/2020 7:00 PM 0.21 M M M M
7/11/2020 10:00 AM 1.53 M M M M
7/12/2020 9:00 AM 0.47 M M M M Most rain came about 7 PM last evening after making an entry earlier for that day. It brought the total from tropical storm Fay to ~2".
7/17/2020 11:00 PM 1.38 M M M M 0.06" came near sunrise but a lone storm cell, the only one on the East coast, came through from 9-10 PM and brought the rest.
7/22/2020 11:00 PM 0.53 M M M M 0.04" came early in the morning and the rest was in an early evening storm.
7/31/2020 10:00 AM 1.20 M M M M Rain began shortly before midnight.
8/4/2020 5:00 PM 0.72 M M M M Isaias rain much less than expected though it did bring down lots of branches in the hood. 0.15" came before midnight in a 'rogue' wave that was well ahead.
8/8/2020 9:00 AM 0.17 M M M M One shower at dawn yesterday, occasional sprinkles at a small shower after dark.
8/13/2020 2:00 PM 0.10 M M M M
8/16/2020 4:00 PM 0.28 M M M M Rain fell before noon but by 4 it was clear there would be no more.
8/17/2020 10:00 PM 1.03 M M M M A storm with a smaller partner 30 minutes behind dropped 0.55" with a second wave hours later.
8/18/2020 9:00 AM 0.15 M M M M
8/22/2020 4:00 PM 0.24 M M M M Storm popped up directly over us rather than moving in. No rain was predicted for today.
8/26/2020 11:00 PM 0.30 M M M M
8/27/2020 11:00 PM 0.20 M M M M
8/29/2020 3:00 PM 0.13 M M M M
9/1/2020 11:00 AM 0.31 M M M M
9/2/2020 5:00 PM 0.21 M M M M
9/3/2020 11:00 PM 0.44 M M M M 0.07 fell early in the morning but an unexpected storm rolled through after dusk.
9/10/2020 10:00 PM 0.87 M M M M 0.69" fall between 1 and 11 AM, Nothing then till after 6 PM.
9/28/2020 11:00 AM 0.11 M M M M
9/30/2020 9:00 AM 1.82 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
1/18/2020 2/02/2020 9:00 AM 16 1.51 M M
2/25/2020 2/27/2020 9:00 PM 3 0.58 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