Station Overview Station Location
Station Number VA-FX-40 Latitude 38.94747
Station Name Vienna 3.3 N Longitude -77.26375
County Fairfax Elevation (ft) 359



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 09 3.55 3.20 21 3.20 21 0.00 0 0 11 1 0.0 0 0
Nov 09 3.42 4.47 22 4.47 22 0.00 0 0 14 1 0.0 0 0
Dec 09 3.19 7.68 28 7.68 28 0.00 0 0 12 0 23.8 5 10
Jan 10 2.93 2.31 31 2.31 31 0.00 0 0 9 3 8.1 4 3
Feb 10 2.76 3.08 20 3.08 20 0.00 0 0 6 3 34.2 6 18
March 10 3.70 3.09 19 3.09 19 0.00 0 0 7 1 0.0 0 0
April 10 3.39 0.12 9 0.12 9 0.00 0 0 1 1 0.0 0 0
May 10 4.28 3.11 22 2.66 19 0.45 3 1 7 2 0.0 0 0
June 10 3.95 1.40 20 1.40 20 0.00 0 0 5 4 0.0 0 0
July 10 4.01 4.87 28 1.50 7 3.37 21 1 2 0 0.0 0 0
Aug 10 3.35 6.08 23 0.84 3 5.24 20 2 1 0 0.0 0 0
Sept 10 3.99 4.13 24 4.13 18 0.00 6 1 6 3 0.0 0 0
Water Year Totals: 42.52" 43.54" 267 days 34.48" 217 9.06" 50 days 5 81 days 19 days 66.1" 15 days 31 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
10/1/2009 0.12
10/2/2009 0.00
10/3/2009 0.02
10/4/2009 0.00
10/5/2009 0.00
10/6/2009 0.00
10/7/2009 T
10/8/2009 0.00
10/9/2009 0.01
10/10/2009 0.05
10/11/2009 0.02
10/12/2009 0.00
10/13/2009 0.00
10/14/2009 0.00
10/15/2009 0.22
10/16/2009 0.89
10/17/2009 0.85
10/18/2009 0.98
10/19/2009 0.02
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009 0.00
10/31/2009 0.02
11/1/2009 0.53
11/2/2009
11/3/2009
11/4/2009
11/5/2009
11/6/2009 0.02
11/7/2009 0.00
11/8/2009
11/9/2009
11/10/2009
11/11/2009 0.24
11/12/2009 0.99
11/13/2009 0.31
11/14/2009 0.41
11/15/2009 0.01
11/16/2009
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 0.02
11/20/2009 0.79
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.88
11/25/2009 0.13
11/26/2009 0.06
11/27/2009 0.07
11/28/2009 0.01
11/29/2009 0.00
11/30/2009 T
12/1/2009 0.19
12/2/2009 0.00
12/3/2009 0.85
12/4/2009 0.00
12/5/2009 0.01
12/6/2009 0.80
12/7/2009 0.00
12/8/2009 0.00
12/9/2009 1.66
12/10/2009 0.00
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.01
12/14/2009 0.62
12/15/2009
12/16/2009
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.57
12/20/2009 1.05
12/21/2009 0.00
12/22/2009
12/23/2009 0.00
12/24/2009 0.00
12/25/2009 0.00
12/26/2009 1.46
12/27/2009 0.24
12/28/2009 0.00
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.22
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.25
1/2/2010 0.00
1/3/2010 T
1/4/2010 0.00
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 T
1/8/2010 0.08
1/9/2010 0.00
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.00
1/13/2010 0.00
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 T
1/18/2010 0.65
1/19/2010 0.00
1/20/2010 0.03
1/21/2010 0.00
1/22/2010 0.16
1/23/2010 0.10
1/24/2010 0.00
1/25/2010 0.57
1/26/2010 0.14
1/27/2010 0.00
1/28/2010 0.00
1/29/2010 0.00
1/30/2010 0.00
1/31/2010 0.33
2/1/2010
2/2/2010 0.00
2/3/2010
2/4/2010
2/5/2010 0.00
2/6/2010 1.81
2/7/2010 0.44
2/8/2010 0.00
2/9/2010 0.00
2/10/2010 0.41
2/11/2010 0.35
2/12/2010 0.00
2/13/2010
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.05
2/17/2010 0.00
2/18/2010 T
2/19/2010 0.00
2/20/2010 0.00
2/21/2010 0.00
2/22/2010
2/23/2010
2/24/2010
2/25/2010 0.02
2/26/2010 T
2/27/2010 T
2/28/2010
3/1/2010
3/2/2010
3/3/2010
3/4/2010
3/5/2010 0.00
3/6/2010 0.00
3/7/2010
3/8/2010 0.00
3/9/2010 0.00
3/10/2010 0.00
3/11/2010 0.00
3/12/2010 0.49
3/13/2010 0.76
3/14/2010 0.69
3/15/2010
3/16/2010
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010
3/22/2010
3/23/2010
3/24/2010
3/25/2010
3/26/2010 0.19
3/27/2010 0.12
3/28/2010 0.00
3/29/2010 0.79
3/30/2010 0.05
3/31/2010 T
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010
4/3/2010
4/4/2010 0.00
4/5/2010 0.00
4/6/2010
4/7/2010 0.00
4/8/2010
4/9/2010
4/10/2010
4/11/2010
4/12/2010
4/13/2010
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010 0.12
4/23/2010 T
4/24/2010
4/25/2010
4/26/2010
4/27/2010
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 0.01
5/3/2010 **
5/4/2010 **
5/5/2010 0.45
5/6/2010 0.00
5/7/2010 0.00
5/8/2010 0.00
5/9/2010 T
5/10/2010 0.00
5/11/2010 0.00
5/12/2010 0.11
5/13/2010 0.10
5/14/2010 0.00
5/15/2010 0.12
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010 0.00
5/22/2010 T
5/23/2010 2.10
5/24/2010
5/25/2010
5/26/2010
5/27/2010 0.00
5/28/2010 0.21
5/29/2010 0.01
5/30/2010 0.00
5/31/2010
6/1/2010
6/2/2010
6/3/2010 0.00
6/4/2010 0.12
6/5/2010 0.02
6/6/2010
6/7/2010 0.11
6/8/2010 0.00
6/9/2010 T
6/10/2010 0.09
6/11/2010 0.00
6/12/2010 0.00
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010 0.00
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 0.00
6/23/2010 T
6/24/2010 0.00
6/25/2010 T
6/26/2010
6/27/2010 0.00
6/28/2010 T
6/29/2010 1.06
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 **
7/5/2010 **
7/6/2010 **
7/7/2010 **
7/8/2010 **
7/9/2010 **
7/10/2010 **
7/11/2010 **
7/12/2010 **
7/13/2010 **
7/14/2010 **
7/15/2010 **
7/16/2010 **
7/17/2010 **
7/18/2010 **
7/19/2010 **
7/20/2010 **
7/21/2010 **
7/22/2010 **
7/23/2010 **
7/24/2010 3.37
7/25/2010
7/26/2010 0.63
7/27/2010 0.00
7/28/2010
7/29/2010
7/30/2010 0.87
7/31/2010 0.00
8/1/2010 **
8/2/2010 **
8/3/2010 **
8/4/2010 **
8/5/2010 0.10
8/6/2010 0.84
8/7/2010 0.00
8/8/2010
8/9/2010
8/10/2010 **
8/11/2010 **
8/12/2010 **
8/13/2010 **
8/14/2010 **
8/15/2010 **
8/16/2010 **
8/17/2010 **
8/18/2010 **
8/19/2010 **
8/20/2010 **
8/21/2010 **
8/22/2010 **
8/23/2010 **
8/24/2010 5.14
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010 0.00
8/31/2010
9/1/2010
9/2/2010
9/3/2010 T
9/4/2010 0.00
9/5/2010 **
9/6/2010 **
9/7/2010 **
9/8/2010 **
9/9/2010 **
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.45
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010 0.13
9/18/2010 0.00
9/19/2010 0.00
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.30
9/24/2010 T
9/25/2010 0.00
9/26/2010 T
9/27/2010 0.47
9/28/2010 0.46
9/29/2010 0.00
9/30/2010 2.32



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 8:00 AM 0.12 M M M M
10/2/2009 8:00 AM 0.00 0.0 M M M
10/3/2009 8:00 AM 0.02 M M M M
10/4/2009 8:00 AM 0.00 0.0 M M M
10/5/2009 8:00 AM 0.00 0.0 M M M
10/6/2009 8:00 AM 0.00 0.0 M M M
10/7/2009 8:00 AM T M M M M
10/8/2009 8:00 AM 0.00 0.0 M M M
10/9/2009 8:00 AM 0.01 M M M M
10/10/2009 8:00 AM 0.05 M M M M
10/11/2009 8:00 AM 0.02 M M M M
10/12/2009 8:00 AM 0.00 0.0 M M M
10/13/2009 8:00 AM 0.00 0.0 M M M
10/14/2009 8:00 AM 0.00 0.0 M M M
10/15/2009 8:00 AM 0.22 M M M M
10/16/2009 8:00 AM 0.89 0.0 0.00 0.0 0.00
10/17/2009 8:00 AM 0.85 M M M M
10/18/2009 8:00 AM 0.98 M M M M
10/19/2009 8:00 AM 0.02 M M M M
10/30/2009 8:00 AM 0.00 0.0 M M M
10/31/2009 8:00 AM 0.02 M M M M
11/1/2009 7:00 AM 0.53 M M M M
11/6/2009 7:00 AM 0.02 M M M M
11/7/2009 7:00 AM 0.00 0.0 M M M
11/11/2009 7:00 AM 0.24 M M M M
11/12/2009 7:00 AM 0.99 0.0 M 0.0 M
11/13/2009 7:00 AM 0.31 0.0 M 0.0 M STORM TOTAL PCPN SINCE 1208 AM EST 11/11 (WED): 1.73
11/14/2009 7:00 AM 0.41 0.0 M 0.0 M
11/15/2009 7:00 AM 0.01 0.0 M 0.0 M
11/17/2009 7:00 AM 0.00 0.0 M 0.0 M
11/18/2009 7:00 AM 0.00 0.0 M M M
11/19/2009 7:00 AM 0.02 M M M M
11/20/2009 7:00 AM 0.79 M M M M
11/21/2009 7:00 AM 0.00 0.0 M M M
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:00 AM 0.88 0.0 M 0.0 M
11/25/2009 7:00 AM 0.13 0.0 M 0.0 M
11/26/2009 7:00 AM 0.06 M M M M
11/27/2009 7:00 AM 0.07 0.0 M 0.0 M
11/28/2009 7:00 AM 0.01 T M 0.0 M VERY SMALL AMOUNTS OF SLEET OCCURRED DURING GUSTY RAINSHOWERS BETWEEN 1205 AND 1208PM NOV 27. TEMP WAS VERY WARM FOR SLEET (48F) AND IT MELTED ON CONTACT.
11/29/2009 7:00 AM 0.00 0.0 M M M
11/30/2009 7:00 AM T 0.0 M 0.0 M
12/1/2009 7:00 AM 0.19 0.0 M 0.0 M
12/2/2009 7:00 AM 0.00 0.0 M 0.0 M
12/3/2009 7:00 AM 0.85 0.0 M 0.0 M
12/4/2009 7:00 AM 0.00 0.0 M 0.0 M
12/5/2009 7:00 AM 0.01 0.0 M 0.0 M
12/6/2009 7:00 AM 0.80 5.0 M 5.0 M
12/7/2009 7:00 AM 0.00 0.0 M 5.0 0.40 MELTED SNOW FROM CORE SAMPLE TAKEN AT 18Z 12-6-09
12/8/2009 7:00 AM 0.00 0.0 M 2.0 0.40 MELTED CORE SAMPLE TAKEN AT 18Z ON THE PREVIOUS DAY (90204)
12/9/2009 7:00 AM 1.66 0.4 M T M SNOWFALL MEASUREMENT REPRENTS SLEET WHICH FELL AT THE ONSET OF PCPN.
12/10/2009 7:00 AM 0.00 0.0 M M M
12/11/2009 7:00 AM 0.00 0.0 M 0.0 M
12/12/2009 7:00 AM 0.00 0.0 M 0.0 M
12/13/2009 7:00 AM 0.01 0.0 M 0.0 M
12/14/2009 7:00 AM 0.62 0.0 M 0.0 M
12/17/2009 7:00 AM 0.00 0.0 M 0.0 M
12/18/2009 7:00 AM 0.00 0.0 M 0.0 M
12/19/2009 7:00 AM 0.57 6.7 0.57 7.0 M LIQUID PCPN TAKEN FROM CORE SAMPLE ON SNOWBOARD. GAGE NOT CONSIDERED REPRESENTATIVE
12/20/2009 7:00 AM 1.05 11.4 M 18.0 M STORM TOTAL ACCUMULATION SINCE FRIDAY EVENING: 18.1
12/21/2009 7:00 AM 0.00 0.0 M 16.0 M WATER EQUIV OF OF SNOWPACK AT 1PM SUNDAY-1.7 INCHES
12/23/2009 7:00 AM 0.00 0.0 M 12.0 M
12/24/2009 7:00 AM 0.00 0.0 M 11.0 M
12/25/2009 7:00 AM 0.00 0.0 M 10.0 1.60 CORE SAMPLE FROM 12/24 AT 18Z
12/26/2009 7:00 AM 1.46 0.0 M 2.0 M
12/27/2009 7:00 AM 0.24 0.0 M T M
12/28/2009 7:00 AM 0.00 0.0 M T M
12/29/2009 7:00 AM 0.00 0.0 M T M
12/30/2009 7:00 AM 0.00 0.0 M T M
12/31/2009 7:00 AM 0.22 0.3 M T M IP- 0254 0710 ZR- 0337 0531 R- 0531 0614 S- 0614 0710
1/1/2010 7:00 AM 0.25 T M T M
1/2/2010 7:00 AM 0.00 0.0 M T M
1/3/2010 7:00 AM T T M T M FEW FLURRIES 9:51 TO 10:00 AM SAT.
1/4/2010 7:00 AM 0.00 0.0 M T M
1/5/2010 7:00 AM 0.00 0.0 M T M
1/6/2010 7:00 AM 0.00 0.0 M T M
1/7/2010 7:00 AM T T M T M
1/8/2010 7:00 AM 0.08 1.5 M 1.5 M
1/9/2010 7:00 AM 0.00 0.0 M 0.5 M
1/10/2010 7:00 AM 0.00 0.0 M T M
1/11/2010 7:00 AM 0.00 0.0 M M M
1/12/2010 7:00 AM 0.00 0.0 M M M
1/13/2010 7:00 AM 0.00 0.0 M 0.0 M
1/14/2010 7:00 AM 0.00 0.0 M 0.0 M
1/15/2010 7:00 AM 0.00 0.0 M 0.0 M
1/16/2010 7:00 AM 0.00 0.0 M 0.0 M
1/17/2010 7:00 AM T 0.0 M 0.0 M
1/18/2010 7:00 AM 0.65 0.0 M 0.0 M
1/19/2010 7:00 AM 0.00 0.0 M 0.0 M
1/20/2010 7:00 AM 0.03 0.0 M 0.0 M
1/21/2010 7:00 AM 0.00 0.0 M 0.0 M
1/22/2010 7:00 AM 0.16 0.7 M 0.0 M SLEET AND SNOW MIXED. SNOWFALL AMOUNT ESTIMATED DUE TO MELTING.
1/23/2010 7:00 AM 0.10 0.8 M 0.0 M SNOWFALL AMOUNT (SLEET) ESTIMATED DUE TO MELTING.
1/24/2010 7:00 AM 0.00 0.0 M 0.0 M
1/25/2010 7:00 AM 0.57 0.0 M 0.0 M
1/26/2010 7:00 AM 0.14 0.0 M 0.0 M
1/27/2010 7:00 AM 0.00 0.0 M 0.0 M
1/28/2010 7:00 AM 0.00 0.0 M 0.0 M
1/29/2010 7:00 AM 0.00 0.0 M 0.0 M
1/30/2010 7:00 AM 0.00 0.0 M 0.0 M
1/31/2010 7:00 AM 0.33 5.1 M 5.0 M
2/2/2010 7:00 AM 0.00 0.0 M 4.0 M
2/5/2010 7:00 AM 0.00 0.0 M 4.0 M
2/6/2010 7:00 AM 1.81 17.3 M 21.0 M
2/7/2010 7:00 AM 0.44 5.6 M 26.0 M
2/8/2010 7:00 AM 0.00 0.0 M 22.0 M
2/9/2010 7:00 AM 0.00 0.0 M 21.0 M
2/10/2010 7:00 AM 0.41 3.9 M 23.0 M BEGAN AS SNOW AT 1542EST/CHANGED TO FZG RAIN AND SLEET AT 2241EST/CHANGED BACK TO SNOW AT 0232EST/
2/11/2010 7:00 AM 0.35 6.8 M 27.0 M TOTAL SNOWFALL FROM BEGINNING OF STORM ON THE AFTERNOON OF 2/9 TO THE END ON THE EVENING OF 2/10: 10.7. TOTAL SNOWFALL FOR WINTER OF 2009-2010 TO DATE: 67.2
2/12/2010 7:00 AM 0.00 0.0 M 23.0 M
2/14/2010 7:00 AM 0.00 0.0 M 20.0 M
2/15/2010 7:00 AM 0.00 0.0 M M M
2/16/2010 7:00 AM 0.05 0.5 M M M
2/17/2010 7:00 AM 0.00 0.0 M 18.0 M
2/18/2010 7:00 AM T T M 17.0 M
2/19/2010 7:00 AM 0.00 0.0 M 15.0 3.90 WATER EQUIV. FROM CORE SAMPLE TAKEN 2/18 AT 18 UTC
2/20/2010 7:00 AM 0.00 0.0 M 13.0 3.70 *CORE SAMPLE FOR LIQ EQIV OF TOTAL SNOWCOVER TAKEN 2/19/10 AT 18UTC.
2/21/2010 7:00 AM 0.00 0.0 M 12.0 3.00 CORE SAMPLE TAKEN 2/20 AT 18Z
2/25/2010 7:00 AM 0.02 0.1 M 5.0 M BEGAN AS RAIN AND CHANGED TO SNOW. ONE TENTH INCH OF SLUSH ACCUMULATED
2/26/2010 7:00 AM T T M 5.0 M WINDY... PEAK GUST SINCE MIDNIGHT 48 MPH (42 KNOTS)
2/27/2010 7:00 AM T T M 4.0 1.40 CORE SAMPLE TAKEN AT 18Z ON 2/26
3/5/2010 7:00 AM 0.00 0.0 M T M
3/6/2010 7:00 AM 0.00 0.0 M 0.0 M
3/8/2010 7:00 AM 0.00 0.0 M M M
3/9/2010 7:00 AM 0.00 0.0 M M M
3/10/2010 7:00 AM 0.00 0.0 M 0.0 M
3/11/2010 7:00 AM 0.00 0.0 M 0.0 M
3/12/2010 7:00 AM 0.49 0.0 M 0.0 M
3/13/2010 7:00 AM 0.76 0.0 M 0.0 M
3/14/2010 8:00 AM 0.69 0.0 M 0.0 M
3/17/2010 7:00 AM 0.00 0.0 M 0.0 M
3/18/2010 8:00 AM 0.00 0.0 M 0.0 M
3/19/2010 8:00 AM 0.00 0.0 M M M
3/20/2010 8:00 AM 0.00 0.0 M M M
3/26/2010 8:00 AM 0.19 0.0 M 0.0 M
3/27/2010 8:00 AM 0.12 0.0 M 0.0 M
3/28/2010 8:00 AM 0.00 0.0 M 0.0 M
3/29/2010 8:00 AM 0.79 0.0 M 0.0 M
3/30/2010 8:00 AM 0.05 M M M M
3/31/2010 8:00 AM T 0.0 M 0.0 M
4/1/2010 8:00 AM 0.00 0.0 M 0.0 M
4/4/2010 8:00 AM 0.00 0.0 M 0.0 M
4/5/2010 8:00 AM 0.00 0.0 M 0.0 M
4/7/2010 8:00 AM 0.00 0.0 M 0.0 M
4/22/2010 8:00 AM 0.12 0.0 M 0.0 M
4/23/2010 8:00 AM T M M M M RB0136 EST RE0140EST
4/28/2010 8:00 AM 0.00 0.0 M 0.0 M
4/29/2010 8:00 AM 0.00 0.0 M 0.0 M
4/30/2010 8:00 AM 0.00 0.0 M 0.0 M
5/1/2010 8:00 AM 0.00 0.0 M 0.0 M
5/2/2010 8:00 AM 0.01 0.0 M 0.0 M
5/6/2010 8:00 AM 0.00 0.0 M 0.0 M
5/7/2010 8:00 AM 0.00 0.0 M 0.0 M
5/8/2010 8:00 AM 0.00 0.0 M 0.0 M
5/9/2010 8:00 AM T 0.0 M 0.0 M
5/10/2010 8:00 AM 0.00 0.0 M 0.0 M
5/11/2010 8:00 AM 0.00 0.0 M 0.0 M
5/12/2010 7:00 AM 0.11 0.0 M 0.0 M
5/13/2010 8:00 AM 0.10 0.0 M 0.0 M
5/14/2010 8:00 AM 0.00 0.0 M 0.0 M
5/15/2010 8:00 AM 0.12 0.0 M 0.0 M
5/21/2010 8:00 AM 0.00 0.0 M 0.0 M
5/22/2010 8:00 AM T 0.0 M 0.0 M
5/23/2010 8:00 AM 2.10 0.0 M 0.0 M HEAVY SHOWERS AND SOME THUNDER DURING THE OVERNIGHT HOURS. 0.73 INCHES FELL DURING THE ONE HOUR PERIOD ENDING AT 3AM EDT.
5/27/2010 8:00 AM 0.00 0.0 M 0.0 M
5/28/2010 8:00 AM 0.21 0.0 M 0.0 M
5/29/2010 7:45 AM 0.01 0.0 M 0.0 M
5/30/2010 8:00 AM 0.00 0.0 M 0.0 M
6/3/2010 8:00 AM 0.00 0.0 M 0.0 M
6/4/2010 8:00 AM 0.12 0.0 M 0.0 M
6/5/2010 8:00 AM 0.02 0.0 M 0.0 M
6/7/2010 8:00 AM 0.11 0.0 M 0.0 M
6/8/2010 8:00 AM 0.00 0.0 M 0.0 M
6/9/2010 8:00 AM T 0.0 M 0.0 M
6/10/2010 8:00 AM 0.09 0.0 M 0.0 M
6/11/2010 8:00 AM 0.00 0.0 M 0.0 M
6/12/2010 8:00 AM 0.00 0.0 M 0.0 M
6/19/2010 8:00 AM 0.00 0.0 M 0.0 M
6/20/2010 8:00 AM 0.00 0.0 M 0.0 M
6/21/2010 8:00 AM 0.00 0.0 M 0.0 M
6/22/2010 8:00 AM 0.00 0.0 M 0.0 M
6/23/2010 8:00 AM T 0.0 M 0.0 M
6/24/2010 8:00 AM 0.00 0.0 M 0.0 M
6/25/2010 8:00 AM T 0.0 M 0.0 M
6/27/2010 8:00 AM 0.00 0.0 M 0.0 M
6/28/2010 8:00 AM T 0.0 M 0.0 M
6/29/2010 8:00 AM 1.06 0.0 M 0.0 M
6/30/2010 8:00 AM 0.00 0.0 M 0.0 M
7/1/2010 7:00 AM 0.00 0.0 M 0.0 M
7/2/2010 8:00 AM 0.00 0.0 M 0.0 M
7/3/2010 8:00 AM 0.00 0.0 M 0.0 M
7/26/2010 8:00 AM 0.63 0.0 M 0.0 M
7/27/2010 8:00 AM 0.00 0.0 M 0.0 M
7/30/2010 8:00 AM 0.87 0.0 M 0.0 M
7/31/2010 8:00 AM 0.00 0.0 M 0.0 M
8/6/2010 8:00 AM 0.84 0.0 M 0.0 M THUNDERSTORMS
8/7/2010 8:00 AM 0.00 0.0 M 0.0 M
8/30/2010 8:00 AM 0.00 0.0 M 0.0 M
9/3/2010 8:00 AM T 0.0 M 0.0 M
9/4/2010 8:00 AM 0.00 0.0 M 0.0 M
9/11/2010 8:00 AM 0.00 0.0 M 0.0 M
9/12/2010 8:00 AM 0.45 0.0 M 0.0 M
9/17/2010 8:00 AM 0.13 0.0 M 0.0 M
9/18/2010 8:00 AM 0.00 0.0 M 0.0 M
9/19/2010 8:00 AM 0.00 0.0 M M M
9/20/2010 8:00 AM 0.00 0.0 M M M
9/21/2010 8:00 AM 0.00 0.0 M M M
9/22/2010 8:00 AM 0.00 0.0 M M M
9/23/2010 8:00 AM 0.30 M M M M
9/24/2010 8:00 AM T 0.0 M 0.0 M
9/25/2010 8:00 AM 0.00 0.0 M M M
9/26/2010 8:00 AM T 0.0 M 0.0 M
9/27/2010 8:00 AM 0.47 0.0 M 0.0 M
9/28/2010 8:00 AM 0.46 0.0 M 0.0 M
9/29/2010 8:00 AM 0.00 0.0 M M M
9/30/2010 8:00 AM 2.32 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/3/2010 5/05/2010 12:00 AM 3 0.45 M M
7/4/2010 7/24/2010 10:51 PM 21 3.37 0.0 0.00
8/1/2010 8/05/2010 8:00 AM 5 0.10 M M
8/10/2010 8/24/2010 10:05 PM 15 5.14 0.0 0.00
9/5/2010 9/10/2010 8:00 AM 6 0.00 0.0 0.00



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
5/14/2010 6:28 PM AVERAGE SIZE OF HAILSTONES WAS PING-PONG SIZE. A FEW LARGER ONES AT 2 INCHES. (USED TWO INCH CAR KEY TO ESTIMATE.) HAIL FELL INTENSELY FOR 4 MINUTES AND COVERED ABOUT 1/3 OR 1/4 OF THE GROUND. MOST HAIL I HAVE SEEN IN THIS REGION IN 40+ YEARS OF WEATHER OBSERVING. TOOK SOME PICTURES, BUT SOME MELTING OCCURRED BY THE TIME I WAS ABLE TO DO THIS. 2" Hen Egg Size 1 1/2" Ping Pong Ball Size 1" Quarter Size Hard|White Ice 4 1min car dents Continuous False After rain Same time as smaller hail 30-40 3