Station Overview Station Location
Station Number CA-HM-81 Latitude 40.7308
Station Name Eureka 4.5 S Longitude -124.152447
County Humboldt Elevation (ft) 422



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 2.49 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 5.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 8.93 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 18 7.22 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 6.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 5.95 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 3.79 1.89 18 1.89 18 0.00 0 0 5 0 0.0 0 0
May 18 2.07 1.12 31 1.12 31 0.00 0 0 5 2 0.0 0 0
June 18 0.93 0.72 30 0.72 30 0.00 0 0 1 0 0.0 0 0
July 18 0.26 0.00 31 0.00 31 0.00 0 0 0 0 0.0 0 0
Aug 18 0.37 0.00 30 0.00 30 0.00 0 0 0 2 0.0 0 0
Sept 18 0.62 0.25 30 0.25 30 0.00 0 0 1 0 0.0 0 0
Water Year Totals: 44.91" 3.98" 170 days 3.98" 170 0.00" 0 days 0 12 days 4 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
10/5/2017
10/6/2017
10/7/2017
10/8/2017
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
10/23/2017
10/24/2017
10/25/2017
10/26/2017
10/27/2017
10/28/2017
10/29/2017
10/30/2017
10/31/2017
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017
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
11/27/2017
11/28/2017
11/29/2017
11/30/2017
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
12/16/2017
12/17/2017
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
12/28/2017
12/29/2017
12/30/2017
12/31/2017
Day of YearDaily PrcpMultiday Prcp
1/1/2018
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
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
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
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
2/18/2018
2/19/2018
2/20/2018
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
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 0.00
4/14/2018 0.00
4/15/2018 0.00
4/16/2018 0.80
4/17/2018 0.07
4/18/2018 0.00
4/19/2018 0.00
4/20/2018 0.00
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.00
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.48
4/29/2018 0.47
4/30/2018 0.07
5/1/2018 0.00
5/2/2018 0.00
5/3/2018 0.00
5/4/2018 0.00
5/5/2018 0.00
5/6/2018 0.00
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.19
5/10/2018 0.00
5/11/2018 0.00
5/12/2018 0.00
5/13/2018 0.00
5/14/2018 T
5/15/2018 0.00
5/16/2018 T
5/17/2018 0.00
5/18/2018 0.06
5/19/2018 0.00
5/20/2018 0.00
5/21/2018 0.08
5/22/2018 0.00
5/23/2018 0.00
5/24/2018 0.00
5/25/2018 0.19
5/26/2018 0.60
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.00
5/30/2018 0.00
5/31/2018 0.00
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.72
6/10/2018 0.00
6/11/2018 0.00
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 0.00
6/16/2018 0.00
6/17/2018 0.00
6/18/2018 0.00
6/19/2018 0.00
6/20/2018 0.00
6/21/2018 0.00
6/22/2018 0.00
6/23/2018 0.00
6/24/2018 0.00
6/25/2018 0.00
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.00
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 0.00
7/6/2018 0.00
7/7/2018 0.00
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.00
7/17/2018 0.00
7/18/2018 0.00
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.00
7/23/2018 0.00
7/24/2018 0.00
7/25/2018 0.00
7/26/2018 0.00
7/27/2018 0.00
7/28/2018 0.00
7/29/2018 0.00
7/30/2018 0.00
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 T
8/3/2018 0.00
8/4/2018 0.00
8/5/2018 0.00
8/6/2018 0.00
8/7/2018 0.00
8/8/2018 T
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.00
8/16/2018 0.00
8/17/2018 0.00
8/18/2018
8/19/2018 0.00
8/20/2018 0.00
8/21/2018 0.00
8/22/2018 0.00
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 0.00
9/2/2018 0.00
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.00
9/8/2018 0.00
9/9/2018 0.00
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 0.00
9/13/2018 0.00
9/14/2018 0.00
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 0.00
9/19/2018 0.00
9/20/2018 0.00
9/21/2018 0.00
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 0.00
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 0.00
9/29/2018 0.00
9/30/2018 0.25



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
4/13/2018 9:00 AM 0.00 0.0 M M M
4/14/2018 9:00 AM 0.00 M M M M
4/15/2018 9:00 AM 0.00 M M M M A front should be moving in later today, so I expect there will be a rainfall to record for tomorrow.
4/16/2018 9:00 AM 0.80 M M M M Most of the rain fell yesterday afternoon and a little bit last night.
4/17/2018 9:00 AM 0.07 M M M M Amount was left over from the showers from the frontal system that came through on Sunday, but most of it fell in the form of cold, weak showers.
4/18/2018 9:00 AM 0.00 M M M M Start of high- pressure ridging coming into the area, so it will be interesting to see when the next precipitation arrives.
4/19/2018 9:00 AM 0.00 0.0 M M M
4/20/2018 9:00 AM 0.00 0.0 M M M
4/21/2018 9:00 AM 0.00 0.0 M M M
4/22/2018 9:00 AM 0.00 M M M M
4/23/2018 9:00 AM 0.00 M M M M
4/24/2018 9:00 AM 0.00 0.0 M M M No rain in nearly a week. Next precipitation chance looks to be on Friday and even, then looks to be light.
4/25/2018 9:00 AM 0.00 M M M M
4/26/2018 9:00 AM 0.00 M M M M
4/27/2018 9:00 AM 0.00 M M M M I do not think there will be much rain until this evening. a negatively tilted trough is expected in my area but even then, the event will be isolated and maybe just a few lightning strikes.
4/28/2018 9:00 AM 0.48 M M M M The first rain since April 17th. Most of it fell late yesterday afternoon and in the evening hours
4/29/2018 9:00 AM 0.47 M M M M Wasn't expecting much from the showers. Most of it fell yesterday morning and afternoon. There are little sprinkles going on right now, but it's very minimal.
4/30/2018 9:00 AM 0.07 M M M M The remaining rain from a upper level low. Ridging slowly building back in, so might be awhile until next precipitation arrives.
5/1/2018 9:00 AM 0.00 0.0 M M M
5/2/2018 9:00 AM 0.00 0.0 M M M
5/3/2018 9:00 AM 0.00 M M M M
5/4/2018 9:00 AM 0.00 M M M M
5/5/2018 9:00 AM 0.00 0.0 M M M
5/6/2018 9:00 AM 0.00 M M M M
5/7/2018 9:00 AM 0.00 0.0 M M M
5/8/2018 9:00 AM 0.00 0.0 M M M Might receive some precipitation from my weakening front, but chances are low (20%).
5/9/2018 9:00 AM 0.19 M M M M A mixture of drizzle and a weakening front that passed through yesterday.
5/10/2018 9:00 AM 0.00 0.0 M M M
5/11/2018 9:00 AM 0.00 M M M M
5/12/2018 9:00 AM 0.00 M M M M
5/13/2018 9:00 AM 0.00 M M M M
5/14/2018 9:00 AM T M M M M Mainly mist, but nothing measurable.
5/15/2018 9:00 AM 0.00 M M M M
5/16/2018 9:00 AM T M M M M
5/17/2018 9:00 AM 0.00 M M M M
5/18/2018 9:00 AM 0.06 M M M M
5/19/2018 9:00 AM 0.00 M M M M
5/20/2018 9:00 AM 0.00 M M M M
5/21/2018 9:00 AM 0.08 M M M M
5/22/2018 9:00 AM 0.00 M M M M
5/23/2018 9:00 AM 0.00 M M M M
5/24/2018 9:00 AM 0.00 M M M M
5/25/2018 9:00 AM 0.19 M M M M
5/26/2018 9:00 AM 0.60 M M M M I miscalculated when I made this injury yesterday and it is from a low-pressure system that was positioned near the San Francisco Bay Area.
5/27/2018 9:00 AM 0.00 M M M M
5/28/2018 9:00 AM 0.00 M M M M
5/29/2018 9:00 AM 0.00 M M M M
5/30/2018 9:00 AM 0.00 M M M M
5/31/2018 9:00 AM 0.00 M M M M
6/1/2018 9:00 AM 0.00 M M M M
6/2/2018 9:00 AM 0.00 M M M M
6/3/2018 9:00 AM 0.00 M M M M
6/4/2018 9:00 AM 0.00 M M M M
6/5/2018 9:00 AM 0.00 M M M M
6/6/2018 9:00 AM 0.00 M M M M
6/7/2018 9:00 AM 0.00 M M M M
6/8/2018 9:00 AM 0.00 M M M M
6/9/2018 9:00 AM 0.72 M M M M Most of the precipitation fell yesterday afternoon into the evening from what I remember. Definitely still holding on to Spring a little bit, but a warm up is expected soon.
6/10/2018 9:00 AM 0.00 M M M M
6/11/2018 9:00 AM 0.00 M M M M
6/12/2018 9:00 AM 0.00 M M M M
6/13/2018 9:00 AM 0.00 M M M M
6/14/2018 9:00 AM 0.00 M M M M
6/15/2018 9:00 AM 0.00 M M M M
6/16/2018 9:00 AM 0.00 M M M M
6/17/2018 9:00 AM 0.00 M M M M
6/18/2018 9:00 AM 0.00 M M M M
6/19/2018 9:00 AM 0.00 M M M M
6/20/2018 9:00 AM 0.00 M M M M
6/21/2018 9:00 AM 0.00 M M M M
6/22/2018 9:00 AM 0.00 M M M M
6/23/2018 9:00 AM 0.00 M M M M
6/24/2018 9:00 AM 0.00 M M M M
6/25/2018 9:00 AM 0.00 M M M M
6/26/2018 9:00 AM 0.00 M M M M
6/27/2018 9:00 AM 0.00 M M M M
6/28/2018 9:00 AM 0.00 M M M M
6/29/2018 9:00 AM 0.00 M M M M
6/30/2018 9:00 AM 0.00 M M M M
7/1/2018 9:00 AM 0.00 M M M M
7/2/2018 9:00 AM 0.00 M M M M
7/3/2018 9:00 AM 0.00 M M M M
7/4/2018 9:00 AM 0.00 M M M M
7/5/2018 9:00 AM 0.00 M M M M
7/6/2018 9:00 AM 0.00 M M M M
7/7/2018 9:00 AM 0.00 M M M M
7/8/2018 9:00 AM 0.00 M M M M
7/9/2018 9:00 AM 0.00 M M M M
7/10/2018 9:00 AM 0.00 M M M M
7/11/2018 9:00 AM 0.00 M M M M
7/12/2018 9:00 AM 0.00 M M M M
7/13/2018 9:00 AM 0.00 M M M M
7/14/2018 9:00 AM 0.00 M M M M
7/15/2018 9:00 AM 0.00 M M M M
7/16/2018 9:00 AM 0.00 M M M M
7/17/2018 9:00 AM 0.00 M M M M
7/18/2018 9:00 AM 0.00 M M M M
7/19/2018 9:00 AM 0.00 M M M M
7/20/2018 9:00 AM 0.00 M M M M
7/21/2018 9:00 AM 0.00 M M M M
7/22/2018 9:00 AM 0.00 M M M M
7/23/2018 9:00 AM 0.00 M M M M
7/24/2018 9:00 AM 0.00 M M M M
7/25/2018 9:00 AM 0.00 M M M M
7/26/2018 9:00 AM 0.00 M M M M
7/27/2018 9:00 AM 0.00 M M M M
7/28/2018 9:00 AM 0.00 M M M M
7/29/2018 9:00 AM 0.00 M M M M
7/30/2018 9:00 AM 0.00 M M M M
7/31/2018 9:00 AM 0.00 M M M M
8/1/2018 9:00 AM 0.00 M M M M
8/2/2018 9:00 AM T M M M M Drizzle was the form of precipitation
8/3/2018 9:00 AM 0.00 M M M M
8/4/2018 9:00 AM 0.00 M M M M
8/5/2018 9:00 AM 0.00 M M M M
8/6/2018 9:00 AM 0.00 M M M M
8/7/2018 9:00 AM 0.00 M M M M
8/8/2018 9:00 AM T M M M M Misting
8/9/2018 9:00 AM 0.00 M M M M
8/10/2018 9:00 AM 0.00 M M M M
8/11/2018 9:00 AM 0.00 M M M M
8/12/2018 9:00 AM 0.00 M M M M
8/13/2018 9:00 AM 0.00 M M M M
8/14/2018 9:00 AM 0.00 M M M M
8/15/2018 9:00 AM 0.00 M M M M
8/16/2018 9:00 AM 0.00 M M M M
8/17/2018 9:00 AM 0.00 M M M M
8/19/2018 9:00 AM 0.00 M M M M
8/20/2018 9:00 AM 0.00 M M M M
8/21/2018 9:00 AM 0.00 M M M M
8/22/2018 9:00 AM 0.00 M M M M
8/23/2018 9:00 AM 0.00 M M M M
8/24/2018 9:00 AM 0.00 M M M M
8/25/2018 9:00 AM 0.00 M M M M
8/26/2018 9:00 AM 0.00 M M M M
8/27/2018 9:00 AM 0.00 M M M M
8/28/2018 9:00 AM 0.00 M M M M
8/29/2018 9:00 AM 0.00 M M M M
8/30/2018 9:00 AM 0.00 M M M M
8/31/2018 9:00 AM 0.00 0.0 M M M
9/1/2018 9:00 AM 0.00 M M M M
9/2/2018 9:00 AM 0.00 0.0 M M M Tried to enter data on Android app, but had errors, so that's why it is late.
9/3/2018 9:00 AM 0.00 M M M M
9/4/2018 9:00 AM 0.00 M M M M
9/5/2018 9:00 AM 0.00 M M M M
9/6/2018 9:00 AM 0.00 M M M M
9/7/2018 9:00 AM 0.00 M M M M
9/8/2018 9:00 AM 0.00 M M M M
9/9/2018 9:00 AM 0.00 M M M M
9/10/2018 9:00 AM 0.00 0.0 M M M
9/11/2018 9:00 AM 0.00 M M M M
9/12/2018 9:00 AM 0.00 M M M M
9/13/2018 9:00 AM 0.00 M M M M
9/14/2018 9:00 AM 0.00 M M M M
9/15/2018 9:00 AM 0.00 M M M M
9/16/2018 9:00 AM 0.00 M M M M
9/17/2018 9:00 AM 0.00 M M M M
9/18/2018 9:00 AM 0.00 M M M M
9/19/2018 9:00 AM 0.00 M M M M
9/20/2018 9:00 AM 0.00 M M M M
9/21/2018 9:00 AM 0.00 M M M M
9/22/2018 9:00 AM 0.00 M M M M
9/23/2018 9:00 AM 0.00 M M M M
9/24/2018 9:00 AM 0.00 0.0 M M M
9/25/2018 9:00 AM 0.00 M M M M
9/26/2018 9:00 AM 0.00 M M M M
9/27/2018 9:00 AM 0.00 M M M M
9/28/2018 9:00 AM 0.00 M M M M
9/29/2018 9:00 AM 0.00 0.0 M M M Rain is approaching, so should have measurable rainfall tomorrow.
9/30/2018 9:00 AM 0.25 M M M M First rainfall in nearly four months!



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