Station Overview Station Location
Station Number HI-HI-40 Latitude 19.433804
Station Name Volcano 4.4 S Longitude -155.241678
County Hawaii Elevation (ft) 3799



Month 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 16.26 32 5.11 20 11.15 12 4 9 7 0.0 0 0
Nov 17 23.31 30 22.95 28 0.36 2 1 21 3 0.0 0 0
Dec 17 7.21 31 6.24 20 0.97 11 1 10 3 0.0 0 0
Jan 18 9.01 31 8.78 23 0.23 8 1 14 1 0.0 0 0
Feb 18 17.18 28 7.49 15 9.69 13 5 9 2 0.0 0 0
March 18 12.87 31 1.97 11 10.90 20 8 10 0 0.0 0 0
April 18 15.24 30 3.79 10 11.45 20 7 6 1 0.0 0 0
May 18 3.16 31 0.73 11 2.43 20 3 6 1 0.0 0 0
June 18 0.00 30 0.00 0 0.00 30 0 0 0 0.0 0 0
July 18 9.42 31 0.49 12 8.93 19 1 5 1 0.0 0 0
Aug 18 34.91 31 28.26 9 6.65 22 3 4 3 0.0 0 0
Sept 18 7.43 30 0.95 13 6.48 17 6 7 3 0.0 0 0
Water Year Totals: 156.00" 366 days 86.76" 172 69.24" 194 days 40 101 days 25 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 T
10/2/2017 T
10/3/2017 0.03
10/4/2017 0.77
10/5/2017 0.23
10/6/2017 0.07
10/7/2017 **
10/8/2017 **
10/9/2017 0.11
10/10/2017 T
10/11/2017 0.00
10/12/2017 0.02
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 3.69
10/16/2017 **
10/17/2017 **
10/18/2017 **
10/19/2017 **
10/20/2017 1.04
10/21/2017 0.07
10/22/2017 0.02
10/23/2017 T
10/24/2017 **
10/25/2017 0.00 9.62
10/26/2017 0.21
10/27/2017 **
10/28/2017 0.38
10/29/2017 T
10/30/2017 T
10/31/2017 T
11/1/2017 0.00
11/2/2017 0.00
11/3/2017 0.00
11/4/2017 T
11/5/2017 0.25
11/6/2017 0.38
11/7/2017 0.04
11/8/2017 0.05
11/9/2017 0.05
11/10/2017 0.04
11/11/2017 0.13
11/12/2017 1.83
11/13/2017 1.61
11/14/2017 0.01
11/15/2017 T
11/16/2017 0.10
11/17/2017 0.08
11/18/2017 T
11/19/2017 0.00
11/20/2017 0.03
11/21/2017 0.02
11/22/2017 0.02
11/23/2017 0.03
11/24/2017 0.19
11/25/2017 0.02
11/26/2017 **
11/27/2017 0.36
11/28/2017 7.09
11/29/2017 4.53
11/30/2017 6.45
12/1/2017 3.44
12/2/2017 1.58
12/3/2017 0.32
12/4/2017 0.01
12/5/2017 T
12/6/2017 0.00
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 T
12/14/2017 0.10
12/15/2017 0.14
12/16/2017 0.02
12/17/2017 0.05
12/18/2017 T
12/19/2017 0.01
12/20/2017 0.57
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 0.97
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.00
1/5/2018 0.01
1/6/2018 0.01
1/7/2018 **
1/8/2018 **
1/9/2018 **
1/10/2018 **
1/11/2018 **
1/12/2018 **
1/13/2018 **
1/14/2018 0.23
1/15/2018 0.00
1/16/2018 0.00
1/17/2018 0.00
1/18/2018 0.02
1/19/2018 0.63
1/20/2018 0.24
1/21/2018 1.75
1/22/2018 0.62
1/23/2018 2.47
1/24/2018 1.79
1/25/2018 0.05
1/26/2018 1.07
1/27/2018 0.02
1/28/2018 0.09
1/29/2018 0.01
1/30/2018 0.00
1/31/2018 T
2/1/2018 0.00
2/2/2018 0.00
2/3/2018 0.10
2/4/2018 T
2/5/2018 0.13
2/6/2018 0.06
2/7/2018 **
2/8/2018 **
2/9/2018 0.07
2/10/2018 0.00
2/11/2018 0.29
2/12/2018 **
2/13/2018 0.11
2/14/2018 0.15
2/15/2018 1.73
2/16/2018 2.37
2/17/2018 2.39
2/18/2018 **
2/19/2018 1.17
2/20/2018 0.00
2/21/2018 T
2/22/2018 0.27
2/23/2018 **
2/24/2018 5.80
2/25/2018 **
2/26/2018 2.54
2/27/2018 **
2/28/2018 **
3/1/2018 4.72
3/2/2018 **
3/3/2018 **
3/4/2018 1.01
3/5/2018 0.11
3/6/2018 0.02
3/7/2018 0.01
3/8/2018 0.01
3/9/2018 **
3/10/2018 0.28
3/11/2018 0.02
3/12/2018 **
3/13/2018 **
3/14/2018 0.86
3/15/2018 1.22
3/16/2018 0.27
3/17/2018 0.01
3/18/2018 0.00
3/19/2018 **
3/20/2018 0.06
3/21/2018 **
3/22/2018 0.63
3/23/2018 0.10
3/24/2018 0.20
3/25/2018 **
3/26/2018 **
3/27/2018 2.16
3/28/2018 **
3/29/2018 1.18
3/30/2018 **
3/31/2018 **
Day of YearDaily PrcpMultiday Prcp
4/1/2018 **
4/2/2018 **
4/3/2018 3.17
4/4/2018 0.00
4/5/2018 0.00
4/6/2018 **
4/7/2018 **
4/8/2018 **
4/9/2018 3.58
4/10/2018 1.83
4/11/2018 0.84
4/12/2018 0.19
4/13/2018 **
4/14/2018 1.02
4/15/2018 **
4/16/2018 2.00
4/17/2018 **
4/18/2018 0.37
4/19/2018 0.05
4/20/2018 0.34
4/21/2018 **
4/22/2018 0.16
4/23/2018 T
4/24/2018 0.54
4/25/2018 0.00
4/26/2018 **
4/27/2018 **
4/28/2018 1.15
4/29/2018 **
4/30/2018 **
5/1/2018 **
5/2/2018 1.35
5/3/2018 0.00
5/4/2018 0.01
5/5/2018 0.00
5/6/2018 0.03
5/7/2018 **
5/8/2018 **
5/9/2018 0.69
5/10/2018 0.61
5/11/2018 T
5/12/2018 0.01
5/13/2018 0.00
5/14/2018 0.00
5/15/2018 0.01
5/16/2018 **
5/17/2018 0.39
5/18/2018 0.06
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 **
6/10/2018 **
6/11/2018 **
6/12/2018 **
6/13/2018 **
6/14/2018 **
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 **
6/30/2018 **
Day of YearDaily PrcpMultiday Prcp
7/1/2018 **
7/2/2018 **
7/3/2018 **
7/4/2018 **
7/5/2018 **
7/6/2018 **
7/7/2018 **
7/8/2018 **
7/9/2018 **
7/10/2018 **
7/11/2018 **
7/12/2018 **
7/13/2018 **
7/14/2018 **
7/15/2018 **
7/16/2018 **
7/17/2018 **
7/18/2018 8.93
7/19/2018 0.01
7/20/2018 0.00
7/21/2018 0.10
7/22/2018 0.02
7/23/2018 0.03
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 T
7/30/2018 0.33
7/31/2018 **
8/1/2018 **
8/2/2018 **
8/3/2018 **
8/4/2018 **
8/5/2018 **
8/6/2018 **
8/7/2018 **
8/8/2018 **
8/9/2018 **
8/10/2018 **
8/11/2018 2.32
8/12/2018 T
8/13/2018 **
8/14/2018 **
8/15/2018 **
8/16/2018 **
8/17/2018 **
8/18/2018 **
8/19/2018 2.84
8/20/2018 0.00
8/21/2018 T
8/22/2018 T
8/23/2018 8.25
8/24/2018 7.92
8/25/2018 11.00
8/26/2018 1.09
8/27/2018 **
8/28/2018 **
8/29/2018 **
8/30/2018 1.49
8/31/2018 0.00
9/1/2018 0.03
9/2/2018 **
9/3/2018 **
9/4/2018 0.62
9/5/2018 T
9/6/2018 0.00
9/7/2018 0.03
9/8/2018 0.03
9/9/2018 0.02
9/10/2018 0.00
9/11/2018 **
9/12/2018 0.21
9/13/2018 **
9/14/2018 4.03
9/15/2018 0.64
9/16/2018 0.18
9/17/2018 **
9/18/2018 **
9/19/2018 **
9/20/2018 0.68
9/21/2018 0.02
9/22/2018 T
9/23/2018 T
9/24/2018 **
9/25/2018 **
9/26/2018 0.25
9/27/2018 **
9/28/2018 **
9/29/2018 0.69
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM T M M M M
10/2/2017 7:00 AM T M M M M
10/3/2017 7:00 AM 0.03 0.0 M M M
10/4/2017 7:00 AM 0.77 M M M M
10/5/2017 7:00 AM 0.23 M M M M
10/6/2017 7:00 AM 0.07 M M M M
10/10/2017 7:00 AM T M M M M
10/11/2017 7:00 AM 0.00 0.0 M M M
10/12/2017 7:00 AM 0.02 M M M M
10/13/2017 7:00 AM 0.00 0.0 M M M
10/14/2017 7:00 AM 0.00 0.0 M M M
10/15/2017 7:00 AM 3.69 M M M M
10/21/2017 7:00 AM 0.07 M M M M
10/22/2017 7:00 AM 0.02 M M M M
10/23/2017 7:00 AM T M M M M
10/25/2017 7:00 AM 0.00 0.0 M M M
10/26/2017 7:00 AM 0.21 M M M M
10/29/2017 7:00 AM T M M M M
10/30/2017 7:00 AM T M M M M
10/31/2017 7:00 AM T M M M M
11/1/2017 7:00 AM 0.00 0.0 M M M
11/2/2017 7:00 AM 0.00 0.0 M M M
11/3/2017 7:00 AM 0.00 0.0 M M M
11/4/2017 7:00 AM T M M M M
11/5/2017 7:00 AM 0.25 M M M M
11/6/2017 7:00 AM 0.38 M M M M
11/7/2017 7:00 AM 0.04 M M M M
11/8/2017 7:00 AM 0.05 M M M M
11/9/2017 7:00 AM 0.05 M M M M
11/10/2017 7:00 AM 0.04 M M M M
11/11/2017 7:00 AM 0.13 M M M M
11/12/2017 7:00 AM 1.83 M M M M
11/13/2017 7:00 AM 1.61 M M M M
11/14/2017 7:00 AM 0.01 M M M M
11/15/2017 7:00 AM T M M M M
11/16/2017 7:00 AM 0.10 M M M M
11/17/2017 7:00 AM 0.08 M M M M
11/18/2017 7:00 AM T M M M M
11/19/2017 7:00 AM 0.00 0.0 M M M
11/20/2017 7:00 AM 0.03 M M M M
11/21/2017 7:00 AM 0.02 M M M M
11/22/2017 7:00 AM 0.02 M M M M
11/23/2017 7:00 AM 0.03 M M M M
11/24/2017 7:00 AM 0.19 M M M M
11/25/2017 7:00 AM 0.02 M M M M
11/28/2017 7:00 AM 7.09 M M M M
11/29/2017 7:00 AM 4.53 M M M M
11/30/2017 7:00 AM 6.45 M M M M
12/1/2017 7:00 AM 3.44 M M M M
12/2/2017 7:00 AM 1.58 M M M M
12/3/2017 7:00 AM 0.32 M M M M
12/4/2017 7:00 AM 0.01 M M M M
12/5/2017 7:00 AM T M M M M
12/6/2017 7:00 AM 0.00 0.0 M M M
12/7/2017 7:00 AM 0.00 0.0 M M M
12/8/2017 7:00 AM 0.00 0.0 M M M
12/9/2017 7:00 AM 0.00 0.0 M M M
12/10/2017 7:00 AM 0.00 0.0 M M M
12/11/2017 7:00 AM 0.00 0.0 M M M
12/12/2017 7:00 AM 0.00 0.0 M M M
12/13/2017 7:00 AM T M M M M
12/14/2017 7:00 AM 0.10 M M M M
12/15/2017 7:00 AM 0.14 M M M M
12/16/2017 7:00 AM 0.02 M M M M
12/17/2017 7:00 AM 0.05 M M M M
12/18/2017 7:00 AM T M M M M
12/19/2017 7:00 AM 0.01 M M M M
12/20/2017 2:00 PM 0.57 M M M M
1/1/2018 7:00 AM 0.00 0.0 M M M
1/2/2018 7:00 AM 0.00 0.0 M M M
1/3/2018 7:00 AM 0.00 0.0 M M M
1/4/2018 7:00 AM 0.00 0.0 M M M
1/5/2018 7:00 AM 0.01 M M M M
1/6/2018 7:00 AM 0.01 M M M M
1/15/2018 7:00 AM 0.00 0.0 M M M
1/16/2018 7:00 AM 0.00 0.0 M M M
1/17/2018 7:00 AM 0.00 0.0 M M M
1/18/2018 7:00 AM 0.02 M M M M
1/19/2018 7:00 AM 0.63 M M M M
1/20/2018 7:00 AM 0.24 M M M M
1/21/2018 7:00 AM 1.75 M M M M
1/22/2018 7:00 AM 0.62 M M M M
1/23/2018 7:00 AM 2.47 M M M M
1/24/2018 7:00 AM 1.79 M M M M
1/25/2018 7:00 AM 0.05 M M M M
1/26/2018 7:00 AM 1.07 M M M M
1/27/2018 7:00 AM 0.02 M M M M
1/28/2018 7:00 AM 0.09 M M M M
1/29/2018 7:00 AM 0.01 M M M M
1/30/2018 7:00 AM 0.00 0.0 M M M
1/31/2018 7:00 AM T M M M M
2/1/2018 7:00 AM 0.00 0.0 M M M
2/2/2018 7:00 AM 0.00 0.0 M M M
2/3/2018 7:00 AM 0.10 M M M M
2/4/2018 7:00 AM T M M M M
2/5/2018 7:00 AM 0.13 M M M M
2/6/2018 7:00 AM 0.06 M M M M
2/10/2018 7:00 AM 0.00 0.0 M M M
2/11/2018 7:00 AM 0.29 M M M M
2/14/2018 7:00 AM 0.15 M M M M
2/15/2018 7:00 AM 1.73 M M M M
2/16/2018 7:00 AM 2.37 M M M M
2/17/2018 7:00 AM 2.39 M M M M
2/20/2018 7:00 AM 0.00 0.0 M M M
2/21/2018 7:00 AM T M M M M
2/22/2018 7:00 AM 0.27 M M M M
3/5/2018 7:00 AM 0.11 M M M M
3/6/2018 7:00 AM 0.02 M M M M
3/7/2018 7:00 AM 0.01 M M M M
3/8/2018 7:00 AM 0.01 M M M M
3/11/2018 7:00 AM 0.02 M M M M
3/15/2018 7:00 AM 1.22 M M M M
3/16/2018 7:00 AM 0.27 M M M M
3/17/2018 7:00 AM 0.01 M M M M
3/18/2018 7:00 AM 0.00 0.0 M M M
3/23/2018 7:00 AM 0.10 M M M M
3/24/2018 7:00 AM 0.20 M M M M
4/4/2018 7:00 AM 0.00 0.0 M M M
4/5/2018 7:00 AM 0.00 0.0 M M M
4/10/2018 7:00 AM 1.83 M M M M
4/11/2018 7:00 AM 0.84 M M M M
4/12/2018 7:00 AM 0.19 M M M M
4/19/2018 7:00 AM 0.05 M M M M
4/20/2018 7:00 AM 0.34 M M M M
4/23/2018 7:00 AM T M M M M
4/24/2018 7:00 AM 0.54 M M M M
4/25/2018 7:00 AM 0.00 0.0 M M M
5/3/2018 7:00 AM 0.00 0.0 M M M
5/4/2018 7:00 AM 0.01 M M M M
5/5/2018 7:00 AM 0.00 0.0 M M M
5/6/2018 7:00 AM 0.03 M M M M
5/10/2018 7:00 AM 0.61 M M M M
5/11/2018 7:00 AM T M M M M
5/12/2018 7:00 AM 0.01 M M M M
5/13/2018 7:00 AM 0.00 0.0 M M M
5/14/2018 7:00 AM 0.00 0.0 M M M
5/15/2018 7:00 AM 0.01 M M M M
5/18/2018 7:00 AM 0.06 M M M M
7/19/2018 7:00 AM 0.01 M M M M
7/20/2018 7:00 AM 0.00 0.0 M M M
7/21/2018 7:00 AM 0.10 M M M M
7/22/2018 7:00 AM 0.02 M M M M
7/23/2018 7:00 AM 0.03 M M M M
7/24/2018 7:00 AM 0.00 0.0 M M M
7/25/2018 7:00 AM 0.00 0.0 M M M
7/26/2018 7:00 AM 0.00 0.0 M M M
7/27/2018 7:00 AM 0.00 0.0 M M M
7/28/2018 7:00 AM 0.00 0.0 M M M
7/29/2018 7:00 AM T M M M M
7/30/2018 7:00 AM 0.33 M M M M
8/12/2018 7:00 AM T M M M M
8/20/2018 7:00 AM 0.00 0.0 M M M
8/21/2018 7:00 AM T M M M M
8/22/2018 7:00 AM T M M M M
8/23/2018 2:00 PM 8.25 M M M M
8/24/2018 12:00 PM 7.92 0.0 M M M
8/25/2018 7:00 AM 11.00 M M M M Gauge overflowed. More than 11" fell
8/26/2018 7:00 AM 1.09 M M M M
8/31/2018 7:00 AM 0.00 0.0 M M M
9/1/2018 7:00 AM 0.03 M M M M
9/5/2018 7:00 AM T M M M M
9/6/2018 7:00 AM 0.00 0.0 M M M
9/7/2018 7:00 AM 0.03 M M M M
9/8/2018 7:00 AM 0.03 M M M M
9/9/2018 7:00 AM 0.02 M M M M
9/10/2018 7:00 AM 0.00 0.0 M M M
9/15/2018 7:00 AM 0.64 M M M M
9/16/2018 7:00 AM 0.18 M M M M
9/21/2018 7:00 AM 0.02 M M M M
9/22/2018 7:00 AM T M M M M
9/23/2018 7:00 AM T M M M M
9/30/2018 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/7/2017 10/09/2017 7:00 AM 3 0.11 M M
10/16/2017 10/20/2017 7:00 AM 5 1.04 M M
10/24/2017 10/25/2017 7:00 AM 2 9.62 M M
10/27/2017 10/28/2017 7:00 AM 2 0.38 M M
11/26/2017 11/27/2017 7:00 AM 2 0.36 M M
12/21/2017 12/31/2017 7:00 AM 11 0.97 M M
1/7/2018 1/14/2018 7:00 AM 8 0.23 M M
2/7/2018 2/09/2018 7:00 AM 3 0.07 M M
2/12/2018 2/13/2018 7:00 AM 2 0.11 M M
2/18/2018 2/19/2018 7:00 AM 2 1.17 M M
2/23/2018 2/24/2018 7:00 AM 2 5.80 M M
2/25/2018 2/26/2018 7:00 AM 2 2.54 M M
2/27/2018 3/01/2018 7:00 AM 3 4.72 M M
3/2/2018 3/04/2018 7:00 AM 3 1.01 M M
3/9/2018 3/10/2018 7:00 AM 2 0.28 M M
3/12/2018 3/14/2018 7:00 AM 3 0.86 M M
3/19/2018 3/20/2018 7:00 AM 2 0.06 M M
3/21/2018 3/22/2018 7:00 AM 2 0.63 M M
3/25/2018 3/27/2018 7:00 AM 3 2.16 M M
3/28/2018 3/29/2018 7:00 AM 2 1.18 M M
3/30/2018 4/03/2018 7:00 AM 5 3.17 M M
4/6/2018 4/09/2018 7:00 AM 4 3.58 M M
4/13/2018 4/14/2018 7:00 AM 2 1.02 M M
4/15/2018 4/16/2018 7:00 AM 2 2.00 M M
4/17/2018 4/18/2018 7:00 AM 2 0.37 M M
4/21/2018 4/22/2018 7:00 AM 2 0.16 M M
4/26/2018 4/28/2018 7:00 AM 3 1.15 M M
4/29/2018 5/02/2018 7:00 AM 4 1.35 M M
5/7/2018 5/09/2018 7:00 AM 3 0.69 M M
5/16/2018 5/17/2018 7:00 AM 2 0.39 M M
5/19/2018 7/18/2018 7:00 AM 61 8.93 M M
7/31/2018 8/11/2018 7:00 AM 12 2.32 M M
8/13/2018 8/19/2018 7:00 AM 7 2.84 M M
8/27/2018 8/30/2018 7:00 AM 4 1.49 M M
9/2/2018 9/04/2018 7:00 AM 3 0.62 M M
9/11/2018 9/12/2018 7:00 AM 2 0.21 M M
9/13/2018 9/14/2018 7:00 AM 2 4.03 M M
9/17/2018 9/20/2018 7:00 AM 4 0.68 M M
9/24/2018 9/26/2018 7:00 AM 3 0.25 M M
9/27/2018 9/29/2018 7:00 AM 3 0.69 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