Station Overview Station Location
Station Number PA-MT-107 Latitude 40.039406
Station Name Bryn Mawr 2.2 ENE Longitude -75.280968
County Montgomery Elevation (ft) 371



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 18 3.82 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 18 3.58 5.17 9 5.17 9 0.00 0 0 5 0 0.0 0 0
Dec 18 3.91 2.90 3 2.90 3 0.00 0 0 3 0 0.0 0 0
Jan 19 3.44 1.16 4 1.16 4 0.00 0 0 1 0 0.0 0 0
Feb 19 2.77 2.42 12 2.42 12 0.00 0 0 6 0 0.0 0 0
March 19 4.07 3.87 5 3.87 5 0.00 0 0 4 0 0.0 0 0
April 19 3.87 2.31 4 2.31 4 0.00 0 0 3 0 0.0 0 0
May 19 4.17 4.98 11 4.98 11 0.00 0 0 9 1 0.0 0 0
June 19 3.94 2.13 3 2.13 3 0.00 0 0 3 0 0.0 0 0
July 19 4.82 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 19 4.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 4.44 0.60 2 0.60 2 0.00 0 0 2 0 0.0 0 0
Water Year Totals: 46.94" 25.54" 53 days 25.54" 53 0.00" 0 days 0 36 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
10/1/2018
10/2/2018
10/3/2018
10/4/2018
10/5/2018
10/6/2018
10/7/2018
10/8/2018
10/9/2018
10/10/2018
10/11/2018
10/12/2018
10/13/2018
10/14/2018
10/15/2018
10/16/2018
10/17/2018
10/18/2018
10/19/2018
10/20/2018
10/21/2018
10/22/2018
10/23/2018
10/24/2018
10/25/2018
10/26/2018
10/27/2018
10/28/2018
10/29/2018
10/30/2018
10/31/2018
11/1/2018
11/2/2018
11/3/2018 1.10
11/4/2018
11/5/2018
11/6/2018
11/7/2018 0.66
11/8/2018
11/9/2018 0.00
11/10/2018 0.89
11/11/2018
11/12/2018 0.00
11/13/2018 1.06
11/14/2018 0.00
11/15/2018
11/16/2018 1.46
11/17/2018
11/18/2018
11/19/2018
11/20/2018 0.00
11/21/2018
11/22/2018
11/23/2018
11/24/2018
11/25/2018
11/26/2018
11/27/2018
11/28/2018
11/29/2018
11/30/2018
12/1/2018
12/2/2018
12/3/2018
12/4/2018
12/5/2018
12/6/2018
12/7/2018
12/8/2018
12/9/2018
12/10/2018
12/11/2018
12/12/2018
12/13/2018
12/14/2018
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018
12/21/2018 1.44
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018
12/28/2018 0.70
12/29/2018 0.76
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019 0.00
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019
1/14/2019
1/15/2019 0.00
1/16/2019
1/17/2019
1/18/2019
1/19/2019
1/20/2019
1/21/2019
1/22/2019
1/23/2019
1/24/2019
1/25/2019 1.16
1/26/2019
1/27/2019 0.00
1/28/2019
1/29/2019
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019 0.39
2/8/2019
2/9/2019
2/10/2019
2/11/2019 0.21
2/12/2019 0.15
2/13/2019 0.96
2/14/2019
2/15/2019 0.00
2/16/2019 0.00
2/17/2019 0.00
2/18/2019 0.25
2/19/2019 0.00
2/20/2019 0.00
2/21/2019
2/22/2019
2/23/2019
2/24/2019 0.46
2/25/2019
2/26/2019
2/27/2019
2/28/2019 0.00
3/1/2019
3/2/2019
3/3/2019
3/4/2019 1.31
3/5/2019
3/6/2019
3/7/2019
3/8/2019
3/9/2019
3/10/2019 0.72
3/11/2019 0.13
3/12/2019
3/13/2019
3/14/2019 0.00
3/15/2019
3/16/2019 M
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019 1.71
3/23/2019
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019
4/5/2019
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019
4/12/2019
4/13/2019 0.42
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019 0.00
4/19/2019
4/20/2019 0.91
4/21/2019
4/22/2019
4/23/2019
4/24/2019
4/25/2019
4/26/2019
4/27/2019 0.98
4/28/2019
4/29/2019
4/30/2019
5/1/2019
5/2/2019
5/3/2019
5/4/2019 0.01
5/5/2019 0.81
5/6/2019
5/7/2019
5/8/2019
5/9/2019 0.00
5/10/2019
5/11/2019
5/12/2019 0.48
5/13/2019 1.10
5/14/2019 0.59
5/15/2019 T
5/16/2019
5/17/2019
5/18/2019 0.14
5/19/2019
5/20/2019
5/21/2019
5/22/2019
5/23/2019
5/24/2019 0.35
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019
5/30/2019 1.38
5/31/2019 0.12
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019 0.92
6/12/2019
6/13/2019 0.68
6/14/2019 0.53
6/15/2019
6/16/2019
6/17/2019
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019
6/23/2019
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019
7/2/2019
7/3/2019
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019 0.23
9/8/2019
9/9/2019
9/10/2019
9/11/2019
9/12/2019
9/13/2019
9/14/2019
9/15/2019 0.37
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/3/2018 7:30 AM 1.10 M M M M When I measured I saw there was very gusty winds and there just going to get gustier and it is still raining.
11/7/2018 7:35 AM 0.66 M M M M There was no wind this morning and it is pretty sunny and cold.
11/9/2018 7:35 AM 0.00 0.0 M M M Very cloudy outside and pretty chilly not much breeze.
11/10/2018 7:00 AM 0.89 M M M M It was very chili outside but it was getting sunny.
11/12/2018 7:00 AM 0.00 0.0 M M M Very chilly outside and there is some frost.
11/13/2018 8:00 AM 1.06 M M M M Cloudy outside, and light drizzle, and a bit chilly.
11/14/2018 7:50 AM 0.00 0.0 M M M Chilly outside but it is sunny!
11/16/2018 8:00 AM 1.46 M M M M It was chilly but some snow was melting because sun of the sun. And a little breeze.
11/20/2018 7:45 AM 0.00 0.0 M M M It was cold and cloudy, not much breeze at all.
12/21/2018 7:00 AM 1.44 M M M M Very warm and also a very dreary day.
12/28/2018 7:00 AM 0.70 M M M M Poring rain outside right now. And a bit chilly. --- Entered by MG/RJ from NJ. Observer confirmed that this report was mistakenly entered for second station in NJ at NJ-CM-41. OST of original report 12/28/2018 7:50 AM
12/29/2018 7:00 AM 0.76 M M M M
1/7/2019 8:22 AM 0.00 0.0 M M M Very chilly, and a sight breeze.
1/15/2019 7:00 AM 0.00 0.0 M M M
1/25/2019 7:00 AM 1.16 M M M M When I went to check how much rain I got some of it was frozen, so it was pretty cold, not much wind and quite cloudy.
1/27/2019 7:00 AM 0.00 0.0 M M M Very chilly, and some frost on the ground. Not much wind.
2/7/2019 7:00 AM 0.39 M M M M
2/11/2019 10:00 AM 0.21 M M M M
2/12/2019 7:45 AM 0.15 M M M M
2/13/2019 7:00 AM 0.96 M M M M There was some ice on the ground still, and very slippery outside, and breezy.
2/15/2019 7:00 AM 0.00 M M M M
2/16/2019 7:00 AM 0.00 M M M M
2/17/2019 7:00 AM 0.00 M M M M
2/18/2019 7:00 AM 0.25 M M M M
2/19/2019 7:00 AM 0.00 0.0 M M M
2/20/2019 7:00 AM 0.00 M M M M
2/24/2019 8:20 AM 0.46 M M M M A very light drizzle and light winds.
2/28/2019 8:00 AM 0.00 0.0 M M M
3/4/2019 7:00 AM 1.31 M M M M Still cloudy outside, and its not snowing though.
3/10/2019 7:00 AM 0.72 M M M M It is kind of chilly outside, but not to bad.
3/11/2019 7:00 AM 0.13 M M M M Partly cloudy, getting sunny and it is chilly.
3/14/2019 7:00 AM 0.00 M M M M
3/16/2019 7:00 AM M M M M M (MG note: set 0.19" precip to "NA", as unusually high for this day. OST 3/16/2019 8:33 AM) (Entered by MG/RJ from NJ. Observer confirmed that this report was mistakenly entered for second station in NJ at NJ-CM-41. OST of original report 4/10/2019 4:50 PM)
3/22/2019 7:00 AM 1.71 M M M M
4/13/2019 7:00 AM 0.42 M M M M Very damp and humid outside but not currently raining. (Entered by MG/RJ from NJ. Observer confirmed that this report was mistakenly entered for second station in NJ at NJ-CM-41. OST of original report 4/13/2019 8:08 AM)
4/18/2019 7:00 AM 0.00 0.0 M M M (Entered by MG/RJ from NJ. Observer confirmed that this report was mistakenly entered for second station in NJ at NJ-CM-41. OST of original report 4/18/2019 8:29 AM)
4/20/2019 7:00 AM 0.91 M M M M Still drizzling, and a bit warm and humid outside.
4/27/2019 7:00 AM 0.98 M M M M Windy outside with and a but chilly. We did have very severe thunderstorms yesterday afternoon and last night.
5/4/2019 8:40 AM 0.01 M M M M Very damp and cloudy outside.
5/5/2019 1:00 PM 0.81 M M M M
5/9/2019 7:39 AM 0.00 0.0 M M M Cloudy again today and a bit chilly.
5/12/2019 8:29 AM 0.48 M M M M Still raining outside and it is chilly.
5/13/2019 9:37 AM 1.10 M M M M (Entered by MG/RJ from NJ. Observer confirmed that this report was mistakenly entered for second station in NJ at NJ-CM-41. OST of original report 5/13/2019 9:41 AM)
5/14/2019 7:00 AM 0.59 M M M M
5/15/2019 7:10 AM T M M M M
5/18/2019 7:00 AM 0.14 M M M M
5/24/2019 7:00 AM 0.35 M M M M
5/30/2019 7:00 AM 1.38 M M M M Very muggy, and foggy and humid outside.
5/31/2019 7:00 AM 0.12 M M M M Sunny and beautiful outside.
6/11/2019 7:00 AM 0.92 M M M M
6/13/2019 7:00 AM 0.68 M M M M
6/14/2019 7:00 AM 0.53 M M M M
9/7/2019 7:00 AM 0.23 M M M M
9/15/2019 7:00 AM 0.37 M 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