Station Overview Station Location
Station Number OR-CT-12 Latitude 45.78532
Station Name Arch Cape 3.0 S Longitude -123.967635
County Clatsop Elevation (ft) 37



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 7.83 11.06 31 0.51 9 10.55 22 2 6 0 0.0 0 0
Nov 17 15.12 14.92 29 2.59 7 12.33 22 2 6 0 0.0 0 0
Dec 17 14.27 11.20 31 5.37 6 5.83 25 2 4 0 0.0 0 0
Jan 18 14.19 8.84 30 5.62 9 3.22 21 2 8 0 0.0 0 0
Feb 18 11.02 8.99 29 0.52 3 8.47 26 2 3 0 0.0 0 0
March 18 10.70 10.67 31 0.80 1 9.87 30 2 1 0 0.0 0 0
April 18 7.71 0.70 30 0.16 3 0.54 27 1 3 0 0.0 0 0
May 18 4.84 12.11 31 0.39 8 11.72 23 1 5 0 0.0 0 0
June 18 3.81 2.95 30 1.38 3 1.57 27 3 3 0 0.0 0 0
July 18 1.50 0.42 32 0.02 1 0.40 31 5 1 0 0.0 0 0
Aug 18 1.38 0.59 31 0.59 11 0.00 20 1 7 2 0.0 0 0
Sept 18 3.05 2.90 30 1.40 3 1.50 27 1 3 0 0.0 0 0
Water Year Totals: 95.42" 85.35" 365 days 19.35" 64 66.00" 301 days 24 50 days 2 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
10/1/2017 **
10/2/2017 **
10/3/2017 **
10/4/2017 0.73
10/5/2017 0.00
10/6/2017 0.16
10/7/2017 0.00
10/8/2017 0.20
10/9/2017 **
10/10/2017 **
10/11/2017 **
10/12/2017 **
10/13/2017 **
10/14/2017 **
10/15/2017 **
10/16/2017 **
10/17/2017 **
10/18/2017 **
10/19/2017 **
10/20/2017 **
10/21/2017 **
10/22/2017 9.82
10/23/2017 0.02
10/24/2017 0.01
10/25/2017 0.01
10/26/2017 0.11
10/27/2017 0.00
10/28/2017 **
10/29/2017 **
10/30/2017 **
10/31/2017 **
11/1/2017 **
11/2/2017 **
11/3/2017 1.01
11/4/2017
11/5/2017 0.89
11/6/2017 0.13
11/7/2017 0.00
11/8/2017 **
11/9/2017 **
11/10/2017 **
11/11/2017 **
11/12/2017 **
11/13/2017 **
11/14/2017 **
11/15/2017 **
11/16/2017 **
11/17/2017 **
11/18/2017 **
11/19/2017 **
11/20/2017 **
11/21/2017 **
11/22/2017 **
11/23/2017 **
11/24/2017 **
11/25/2017 **
11/26/2017 11.32
11/27/2017 0.39
11/28/2017 0.35
11/29/2017 0.59
11/30/2017 0.24
12/1/2017 **
12/2/2017 **
12/3/2017 **
12/4/2017 **
12/5/2017 **
12/6/2017 **
12/7/2017 **
12/8/2017 **
12/9/2017 **
12/10/2017 **
12/11/2017 **
12/12/2017 **
12/13/2017 **
12/14/2017 **
12/15/2017 1.67
12/16/2017 0.00
12/17/2017 0.38
12/18/2017 **
12/19/2017 **
12/20/2017 **
12/21/2017 **
12/22/2017 **
12/23/2017 **
12/24/2017 **
12/25/2017 **
12/26/2017 **
12/27/2017 4.16
12/28/2017 0.09
12/29/2017 4.52
12/30/2017 0.38
12/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2018 **
1/2/2018 **
1/3/2018 **
1/4/2018 0.00
1/5/2018 1.15
1/6/2018 0.80
1/7/2018 0.14
1/8/2018 **
1/9/2018 **
1/10/2018 **
1/11/2018 **
1/12/2018 **
1/13/2018 **
1/14/2018 **
1/15/2018 **
1/16/2018 **
1/17/2018 3.22
1/18/2018
1/19/2018 0.65
1/20/2018 0.38
1/21/2018 0.63
1/22/2018 0.25
1/23/2018 0.00
1/24/2018 1.62
1/25/2018 **
1/26/2018 **
1/27/2018 **
1/28/2018 **
1/29/2018 **
1/30/2018 **
1/31/2018 **
2/1/2018 **
2/2/2018 **
2/3/2018 **
2/4/2018 **
2/5/2018 **
2/6/2018 **
2/7/2018 **
2/8/2018 **
2/9/2018 **
2/10/2018 **
2/11/2018 **
2/12/2018 **
2/13/2018 **
2/14/2018 **
2/15/2018 **
2/16/2018 **
2/17/2018 0.97
2/18/2018 0.43
2/19/2018 0.04
2/20/2018 0.05
2/21/2018 **
2/22/2018 **
2/23/2018 **
2/24/2018 **
2/25/2018 **
2/26/2018 **
2/27/2018 **
2/28/2018 **
3/1/2018 **
3/2/2018 **
3/3/2018 **
3/4/2018 **
3/5/2018 **
3/6/2018 **
3/7/2018 **
3/8/2018 **
3/9/2018 **
3/10/2018 **
3/11/2018 **
3/12/2018 **
3/13/2018 **
3/14/2018 **
3/15/2018 **
3/16/2018 **
3/17/2018 **
3/18/2018 **
3/19/2018 **
3/20/2018 **
3/21/2018 **
3/22/2018 **
3/23/2018 7.79
3/24/2018 0.80
3/25/2018 **
3/26/2018 **
3/27/2018 **
3/28/2018 **
3/29/2018 **
3/30/2018 **
3/31/2018 2.08
Day of YearDaily PrcpMultiday Prcp
4/1/2018 **
4/2/2018 0.54
4/3/2018 0.05
4/4/2018 0.05
4/5/2018 0.06
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 11.72
5/10/2018 0.23
5/11/2018 0.00
5/12/2018 0.02
5/13/2018 0.00
5/14/2018 0.00
5/15/2018 0.05
5/16/2018 0.07
5/17/2018 0.02
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 1.20
6/10/2018 0.55
6/11/2018 0.61
6/12/2018 0.22
6/13/2018 **
6/14/2018 0.02
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 0.35
6/30/2018 **
Day of YearDaily PrcpMultiday Prcp
7/1/2018 **
7/2/2018 0.16
7/3/2018 **
7/4/2018 **
7/5/2018 0.00
7/6/2018 **
7/7/2018 **
7/8/2018 **
7/9/2018 **
7/10/2018 **
7/11/2018 **
7/12/2018 **
7/13/2018 M
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 0.02
7/31/2018 0.02
8/1/2018 0.01
8/2/2018 0.05
8/3/2018 0.09
8/4/2018 T
8/5/2018 0.02
8/6/2018 T
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 M
8/27/2018 0.33
8/28/2018 0.01
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 0.08
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 1.50
9/15/2018 0.12
9/16/2018 1.19
9/17/2018 0.09
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
10/5/2017 8:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
10/6/2017 8:00 AM 0.16 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
10/7/2017 8:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
10/8/2017 8:00 AM 0.20 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
10/23/2017 8:00 AM 0.02 M M M M dew
10/24/2017 8:00 AM 0.01 M M M M dew
10/25/2017 8:00 AM 0.01 M M M M dew
10/26/2017 8:00 AM 0.11 M M M M
10/27/2017 8:00 AM 0.00 0.0 M M M
11/5/2017 8:00 AM 0.89 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
11/6/2017 8:00 AM 0.13 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
11/7/2017 8:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
11/27/2017 8:00 AM 0.39 M M M M
11/28/2017 8:00 AM 0.35 M M M M
11/29/2017 8:00 AM 0.59 M M M M
11/30/2017 8:00 AM 0.24 M M M M
12/16/2017 8:00 AM 0.00 M M M M
12/17/2017 8:00 AM 0.38 M M M M
12/28/2017 8:00 AM 0.09 M M M M
12/29/2017 2:45 PM 4.52 M M M M Rain began 5pm, Dec 28.
12/30/2017 8:00 AM 0.38 M M M M
12/31/2017 8:00 AM 0.00 0.0 M M M
1/5/2018 8:00 AM 1.15 M M M M
1/6/2018 8:00 AM 0.80 M M M M
1/7/2018 8:00 AM 0.14 M M M M
1/19/2018 8:00 AM 0.65 M M M M
1/20/2018 8:00 AM 0.38 M M M M
1/21/2018 8:00 AM 0.63 M M M M
1/22/2018 8:00 AM 0.25 M M M M
1/23/2018 8:00 AM 0.00 0.0 M M M
1/24/2018 8:00 AM 1.62 M M M M
2/18/2018 8:00 AM 0.43 M M M M
2/19/2018 8:00 AM 0.04 M M M M
2/20/2018 8:00 AM 0.05 M M M M
3/24/2018 8:00 AM 0.80 M M M M
4/3/2018 8:00 AM 0.05 M M M M
4/4/2018 8:00 AM 0.05 M M M M
4/5/2018 8:00 AM 0.06 M M M M
5/10/2018 8:00 AM 0.23 M M M M
5/11/2018 8:00 AM 0.00 0.0 M M M
5/12/2018 8:00 AM 0.02 M M M M
5/13/2018 8:00 AM 0.00 0.0 M M M
5/14/2018 8:00 AM 0.00 0.0 M M M
5/15/2018 8:00 AM 0.05 M M M M
5/16/2018 8:00 AM 0.07 M M M M
5/17/2018 8:00 AM 0.02 M M M M
6/10/2018 8:00 AM 0.55 M M M M
6/11/2018 8:00 AM 0.61 M M M M
6/12/2018 8:00 AM 0.22 M M M M
7/31/2018 8:00 AM 0.02 M M M M
8/1/2018 8:00 AM 0.01 M M M M
8/2/2018 12:01 PM 0.05 M M M M
8/3/2018 8:00 AM 0.09 M M M M
8/4/2018 8:00 AM T M M M M
8/5/2018 8:00 AM 0.02 M M M M
8/6/2018 8:00 AM T M M M M
8/27/2018 8:00 AM 0.33 M M M M
8/28/2018 8:00 AM 0.01 M M M M
8/29/2018 8:00 AM 0.00 M M M M
8/30/2018 8:00 AM 0.00 M M M M
8/31/2018 8:00 AM 0.08 M M M M
9/15/2018 8:00 AM 0.12 M M M M
9/16/2018 8:00 AM 1.19 M M M M
9/17/2018 8:00 AM 0.09 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/23/2017 10/04/2017 4:00 PM 12 0.73 M M
10/9/2017 10/22/2017 4:00 PM 14 9.82 M M
10/28/2017 11/03/2017 4:20 PM 7 1.01 M M
11/8/2017 11/26/2017 3:52 PM 19 11.32 M M
12/1/2017 12/15/2017 3:00 PM 15 1.67 M M
12/18/2017 12/27/2017 4:00 PM 10 4.16 M M
1/1/2018 1/04/2018 8:00 AM 4 0.00 M M
1/8/2018 1/17/2018 4:00 PM 10 3.22 M M
1/25/2018 2/15/2018 4:00 PM 22 7.50 M M
2/15/2018 2/17/2018 2:00 PM 3 0.97 M M
2/21/2018 3/23/2018 4:00 PM 31 7.79 M M
3/25/2018 3/31/2018 4:00 PM 7 2.08 M M
4/1/2018 4/02/2018 8:00 AM 2 0.54 M M
4/6/2018 5/09/2018 4:00 PM 34 11.72 M M
5/18/2018 6/09/2018 4:36 PM 23 1.20 M M
6/13/2018 6/14/2018 8:00 AM 2 0.02 M M
6/15/2018 6/29/2018 4:34 PM 15 0.35 M M
6/30/2018 7/02/2018 8:00 AM 3 0.16 M M
7/3/2018 7/05/2018 8:00 AM 3 0.00 M M
7/6/2018 7/11/2018 4:00 PM 6 0.22 M M
7/11/2018 7/13/2018 8:00 AM 3 M M 0.00
7/14/2018 7/30/2018 4:22 PM 17 0.02 M M
8/7/2018 8/26/2018 4:00 PM 20 M M M
9/1/2018 9/14/2018 4:58 PM 14 1.50 M M
9/18/2018 10/06/2018 4:00 PM 19 3.15 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