Station Overview Station Location
Station Number OR-UM-14 Latitude 45.9094322
Station Name Umatilla 0.7 WSW Longitude -119.3414021
County Umatilla Elevation (ft) 393



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 11 0.69 0.36 5 0.36 5 0.00 0 0 5 0 0.0 0 0
Nov 11 1.20 0.36 4 0.36 4 0.00 0 0 4 0 0.0 0 0
Dec 11 1.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 12 1.18 0.61 6 0.61 6 0.00 0 0 6 0 2.0 1 1
Feb 12 0.87 0.29 3 0.29 3 0.00 0 0 3 0 0.0 0 0
March 12 0.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 12 0.75 0.35 3 0.35 3 0.00 0 0 3 0 0.0 0 0
May 12 0.76 0.41 2 0.41 2 0.00 0 0 2 0 0.0 0 0
June 12 0.68 1.60 5 1.60 5 0.00 0 0 5 0 0.0 0 0
July 12 0.22 0.70 2 0.70 2 0.00 0 0 2 0 0.0 0 0
Aug 12 0.26 0.05 1 0.05 1 0.00 0 0 1 0 0.0 0 0
Sept 12 0.34 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 9.22" 4.73" 31 days 4.73" 31 0.00" 0 days 0 31 days 0 days 2.0" 1 days 1 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
10/1/2011
10/2/2011
10/3/2011
10/4/2011 0.05
10/5/2011 0.01
10/6/2011 0.04
10/7/2011
10/8/2011
10/9/2011
10/10/2011
10/11/2011 0.19
10/12/2011
10/13/2011
10/14/2011
10/15/2011
10/16/2011 0.07
10/17/2011
10/18/2011
10/19/2011
10/20/2011
10/21/2011
10/22/2011
10/23/2011
10/24/2011
10/25/2011
10/26/2011
10/27/2011
10/28/2011
10/29/2011
10/30/2011
10/31/2011
11/1/2011
11/2/2011
11/3/2011
11/4/2011
11/5/2011
11/6/2011
11/7/2011
11/8/2011
11/9/2011
11/10/2011
11/11/2011
11/12/2011 0.07
11/13/2011
11/14/2011
11/15/2011
11/16/2011
11/17/2011 0.16
11/18/2011 0.03
11/19/2011 0.10
11/20/2011
11/21/2011
11/22/2011
11/23/2011
11/24/2011
11/25/2011
11/26/2011
11/27/2011
11/28/2011
11/29/2011
11/30/2011
12/1/2011
12/2/2011
12/3/2011
12/4/2011
12/5/2011
12/6/2011
12/7/2011
12/8/2011
12/9/2011
12/10/2011
12/11/2011
12/12/2011
12/13/2011
12/14/2011
12/15/2011
12/16/2011
12/17/2011
12/18/2011
12/19/2011
12/20/2011
12/21/2011
12/22/2011
12/23/2011
12/24/2011
12/25/2011
12/26/2011
12/27/2011
12/28/2011
12/29/2011
12/30/2011
12/31/2011
Day of YearDaily PrcpMultiday Prcp
1/1/2012
1/2/2012
1/3/2012
1/4/2012
1/5/2012
1/6/2012
1/7/2012
1/8/2012
1/9/2012
1/10/2012 0.02
1/11/2012 0.01
1/12/2012
1/13/2012
1/14/2012
1/15/2012
1/16/2012
1/17/2012
1/18/2012 0.10
1/19/2012 0.17
1/20/2012
1/21/2012
1/22/2012
1/23/2012
1/24/2012
1/25/2012 0.25
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012 0.06
1/31/2012
2/1/2012
2/2/2012
2/3/2012
2/4/2012
2/5/2012
2/6/2012
2/7/2012
2/8/2012
2/9/2012 0.09
2/10/2012
2/11/2012
2/12/2012
2/13/2012
2/14/2012
2/15/2012
2/16/2012
2/17/2012
2/18/2012
2/19/2012
2/20/2012
2/21/2012 0.18
2/22/2012
2/23/2012
2/24/2012
2/25/2012
2/26/2012
2/27/2012 0.02
2/28/2012
2/29/2012
3/1/2012
3/2/2012
3/3/2012
3/4/2012
3/5/2012
3/6/2012
3/7/2012
3/8/2012
3/9/2012
3/10/2012
3/11/2012
3/12/2012
3/13/2012
3/14/2012
3/15/2012
3/16/2012
3/17/2012
3/18/2012
3/19/2012
3/20/2012
3/21/2012
3/22/2012
3/23/2012
3/24/2012
3/25/2012
3/26/2012
3/27/2012
3/28/2012
3/29/2012
3/30/2012
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012
4/2/2012
4/3/2012
4/4/2012
4/5/2012
4/6/2012
4/7/2012
4/8/2012
4/9/2012
4/10/2012
4/11/2012
4/12/2012
4/13/2012
4/14/2012
4/15/2012
4/16/2012
4/17/2012
4/18/2012
4/19/2012
4/20/2012
4/21/2012
4/22/2012
4/23/2012
4/24/2012 0.17
4/25/2012
4/26/2012 0.09
4/27/2012
4/28/2012
4/29/2012
4/30/2012 0.09
5/1/2012
5/2/2012
5/3/2012
5/4/2012
5/5/2012
5/6/2012
5/7/2012
5/8/2012
5/9/2012
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012
5/17/2012
5/18/2012
5/19/2012
5/20/2012
5/21/2012 0.27
5/22/2012 0.14
5/23/2012
5/24/2012
5/25/2012
5/26/2012
5/27/2012
5/28/2012
5/29/2012
5/30/2012
5/31/2012
6/1/2012 0.01
6/2/2012 0.30
6/3/2012
6/4/2012 0.67
6/5/2012
6/6/2012
6/7/2012
6/8/2012 0.45
6/9/2012
6/10/2012
6/11/2012
6/12/2012
6/13/2012
6/14/2012
6/15/2012
6/16/2012
6/17/2012
6/18/2012
6/19/2012
6/20/2012
6/21/2012
6/22/2012
6/23/2012
6/24/2012
6/25/2012
6/26/2012 0.17
6/27/2012
6/28/2012
6/29/2012
6/30/2012
Day of YearDaily PrcpMultiday Prcp
7/1/2012
7/2/2012
7/3/2012
7/4/2012
7/5/2012
7/6/2012
7/7/2012
7/8/2012
7/9/2012
7/10/2012
7/11/2012
7/12/2012
7/13/2012
7/14/2012 0.45
7/15/2012
7/16/2012
7/17/2012 0.25
7/18/2012
7/19/2012
7/20/2012
7/21/2012
7/22/2012
7/23/2012
7/24/2012
7/25/2012
7/26/2012
7/27/2012
7/28/2012
7/29/2012
7/30/2012
7/31/2012
8/1/2012
8/2/2012
8/3/2012
8/4/2012
8/5/2012
8/6/2012
8/7/2012
8/8/2012
8/9/2012
8/10/2012
8/11/2012
8/12/2012
8/13/2012
8/14/2012
8/15/2012
8/16/2012
8/17/2012
8/18/2012
8/19/2012
8/20/2012
8/21/2012 0.05
8/22/2012
8/23/2012
8/24/2012
8/25/2012
8/26/2012
8/27/2012
8/28/2012
8/29/2012
8/30/2012
8/31/2012
9/1/2012
9/2/2012
9/3/2012
9/4/2012
9/5/2012
9/6/2012
9/7/2012
9/8/2012
9/9/2012
9/10/2012
9/11/2012
9/12/2012
9/13/2012
9/14/2012
9/15/2012
9/16/2012
9/17/2012
9/18/2012
9/19/2012
9/20/2012
9/21/2012
9/22/2012
9/23/2012
9/24/2012
9/25/2012
9/26/2012
9/27/2012
9/28/2012
9/29/2012
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/4/2011 7:00 AM 0.05 M M M M
10/5/2011 7:00 AM 0.01 M M M M
10/6/2011 6:45 AM 0.04 M M M M
10/11/2011 6:15 AM 0.19 M M M M
10/16/2011 7:00 AM 0.07 M M M M Local internet network outage could not report on time.
11/12/2011 7:00 AM 0.07 M M M M
11/17/2011 7:00 AM 0.16 M M M M
11/18/2011 7:00 AM 0.03 M M M M
11/19/2011 7:00 AM 0.10 M M M M
1/10/2012 7:00 AM 0.02 M M M M
1/11/2012 7:00 AM 0.01 M M M M
1/18/2012 7:00 AM 0.10 2.0 0.10 2.0 0.10
1/19/2012 7:00 AM 0.17 M M M M 24 degrees and moderate freezing rain at time of observation.
1/25/2012 6:30 AM 0.25 M M M M
1/30/2012 7:00 AM 0.06 M M M M
2/9/2012 7:00 AM 0.09 M M M M
2/21/2012 6:30 AM 0.18 M M M M
2/27/2012 7:00 AM 0.02 M M M M
4/24/2012 6:35 AM 0.17 M M M M Strong storm. Wind gusts to 58 mph. Highest sustained winds (10 minute average) 34.6 mph. Significant lightning.
4/26/2012 7:00 AM 0.09 M M M M Precipitation rate (intensity) inceasing at time of observation. Although still raining continuously, used 0700 as cut-off time for this observation.
4/30/2012 7:00 AM 0.09 M M M M
5/21/2012 7:00 AM 0.27 M M M M
5/22/2012 7:00 AM 0.14 M M M M
6/1/2012 7:00 AM 0.01 M M M M
6/2/2012 7:00 AM 0.30 M M M M
6/4/2012 7:00 AM 0.67 M M M M
6/8/2012 7:00 AM 0.45 M M M M
6/26/2012 7:00 AM 0.17 M M M M
7/14/2012 7:00 AM 0.45 M M M M Three very distinct waves of precipitation. The first burst was very heavy and short lived. The rainfall rate from my Vantage Pro2 was recorded at 3.67 inches per hour. The highest rate I have recorded in the 5 years of operating my station. An intense storm with much lightning and periodic heavy rains, but with unusually light surface winds for an event like this, only 10-15 mph over the duration.
7/17/2012 6:10 AM 0.25 M M M M Very brief initial downpour at 1.80 inches per hour, then to a more gentle pattern, which at its heaviest was .17 inches per hour. Overall precipitation was light. A series of thunderstorms ranged from Baker, Oregon to Yakima, Washington. Later storm activity appeared more pronounced north of the Columbia River and north of this reporting location, centered in Tri-Cities, Washington.
8/21/2012 7:00 AM 0.05 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