Station Overview Station Location
Station Number IA-BH-6 Latitude 42.465
Station Name Waterloo 1.9 SSE Longitude -92.341
County Black Hawk Elevation (ft) 912



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 10 2.54 0.46 31 0.46 31 0.00 0 0 4 1 0.0 0 0
Nov 10 2.14 1.50 29 1.50 29 0.00 0 0 11 2 0.0 0 0
Dec 10 1.31 1.73 31 1.73 31 0.00 0 0 10 4 20.7 8 27
Jan 11 0.88 0.83 30 0.83 30 0.00 0 0 12 1 10.2 11 30
Feb 11 0.98 1.46 28 1.46 28 0.00 0 0 8 1 11.2 6 22
March 11 1.98 1.86 29 1.86 29 0.00 0 0 6 4 1.2 1 1
April 11 3.72 4.28 30 4.28 30 0.00 0 0 12 2 1.0 1 0
May 11 4.57 4.67 31 4.67 31 0.00 0 0 13 1 0.0 0 0
June 11 5.13 4.51 30 4.47 28 0.04 2 1 11 1 0.0 0 0
July 11 4.85 5.72 30 5.72 30 0.00 0 0 11 1 0.0 0 0
Aug 11 4.17 4.04 29 4.04 29 0.00 0 0 6 1 0.0 0 0
Sept 11 3.10 4.13 30 4.13 30 0.00 0 0 8 0 0.0 0 0
Water Year Totals: 35.37" 35.19" 358 days 35.15" 356 0.04" 2 days 1 112 days 19 days 44.3" 27 days 80 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
10/1/2010 0.00
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.16
10/24/2010 0.00
10/25/2010 0.08
10/26/2010 0.05
10/27/2010 0.17
10/28/2010 T
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.00
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.00
11/11/2010 0.02
11/12/2010 0.12
11/13/2010 0.75
11/14/2010 0.03
11/15/2010 0.01
11/16/2010 T
11/17/2010 0.10
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.02
11/22/2010 0.03
11/23/2010 0.01
11/24/2010 0.00
11/25/2010 0.08
11/26/2010
11/27/2010 T
11/28/2010 0.00
11/29/2010 0.00
11/30/2010 0.33
12/1/2010 T
12/2/2010 0.00
12/3/2010 0.00
12/4/2010 0.05
12/5/2010 T
12/6/2010 T
12/7/2010 0.01
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 0.05
12/12/2010 0.50
12/13/2010 0.00
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.32
12/17/2010 0.04
12/18/2010 0.00
12/19/2010 0.00
12/20/2010 0.00
12/21/2010 0.12
12/22/2010 0.00
12/23/2010 0.00
12/24/2010 0.48
12/25/2010 0.15
12/26/2010 T
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.01
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.02
1/2/2011 0.01
1/3/2011 0.00
1/4/2011 T
1/5/2011 0.00
1/6/2011 0.01
1/7/2011 0.01
1/8/2011 0.02
1/9/2011 0.00
1/10/2011 0.00
1/11/2011 0.31
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.02
1/16/2011 0.00
1/17/2011 0.22
1/18/2011 0.05
1/19/2011 0.01
1/20/2011 0.00
1/21/2011 0.00
1/22/2011 0.01
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.00
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 0.00
1/30/2011 0.14
1/31/2011
2/1/2011 0.12
2/2/2011 0.42
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.08
2/7/2011 0.00
2/8/2011 0.00
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 T
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 0.51
2/21/2011 0.23
2/22/2011 0.03
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.00
2/26/2011 0.03
2/27/2011 0.04
2/28/2011 0.00
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.12
3/5/2011 T
3/6/2011 0.00
3/7/2011 0.00
3/8/2011 T
3/9/2011 0.44
3/10/2011 T
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 T
3/19/2011 0.00
3/20/2011 0.63
3/21/2011 0.09
3/22/2011 0.17
3/23/2011 0.41
3/24/2011
3/25/2011 0.00
3/26/2011 0.00
3/27/2011 0.00
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.01
4/2/2011 0.00
4/3/2011 0.00
4/4/2011 0.04
4/5/2011 0.00
4/6/2011 0.00
4/7/2011 0.00
4/8/2011 0.28
4/9/2011 0.00
4/10/2011 0.00
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 0.02
4/15/2011 0.00
4/16/2011 0.57
4/17/2011 0.00
4/18/2011 0.55
4/19/2011 0.27
4/20/2011 0.76
4/21/2011 0.00
4/22/2011 0.02
4/23/2011 0.09
4/24/2011 0.00
4/25/2011 0.00
4/26/2011 1.23
4/27/2011 0.44
4/28/2011 T
4/29/2011 0.00
4/30/2011 T
5/1/2011 0.00
5/2/2011 0.00
5/3/2011 0.00
5/4/2011 0.00
5/5/2011 0.00
5/6/2011 0.02
5/7/2011 0.08
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.25
5/13/2011 0.35
5/14/2011 0.05
5/15/2011 0.81
5/16/2011 0.00
5/17/2011 0.00
5/18/2011 0.00
5/19/2011 0.00
5/20/2011 0.00
5/21/2011 0.19
5/22/2011 0.31
5/23/2011 0.00
5/24/2011 0.00
5/25/2011 1.24
5/26/2011 1.20
5/27/2011 0.00
5/28/2011 T
5/29/2011 0.09
5/30/2011 0.05
5/31/2011 0.03
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.30
6/4/2011 **
6/5/2011 0.04
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.05
6/10/2011 1.63
6/11/2011 0.04
6/12/2011 0.00
6/13/2011 0.00
6/14/2011 0.00
6/15/2011 0.09
6/16/2011 0.49
6/17/2011 0.00
6/18/2011 0.00
6/19/2011 T
6/20/2011 0.00
6/21/2011 1.06
6/22/2011 0.38
6/23/2011 0.13
6/24/2011 0.00
6/25/2011 0.00
6/26/2011 0.24
6/27/2011 0.06
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.00
7/4/2011 0.00
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.00
7/8/2011 T
7/9/2011 0.00
7/10/2011 0.00
7/11/2011 0.15
7/12/2011 0.22
7/13/2011 0.07
7/14/2011 0.00
7/15/2011 0.09
7/16/2011 0.40
7/17/2011 0.00
7/18/2011 0.03
7/19/2011 0.00
7/20/2011 0.00
7/21/2011 0.52
7/22/2011 0.80
7/23/2011 2.52
7/24/2011 0.00
7/25/2011 0.28
7/26/2011 0.00
7/27/2011
7/28/2011 0.00
7/29/2011 0.64
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.00
8/3/2011 0.00
8/4/2011 0.00
8/5/2011 T
8/6/2011 0.03
8/7/2011 0.05
8/8/2011 0.00
8/9/2011 1.05
8/10/2011 0.00
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.09
8/15/2011 0.00
8/16/2011 0.00
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.00
8/20/2011 0.00
8/21/2011
8/22/2011 0.00
8/23/2011 1.18
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.00
8/27/2011
8/28/2011 0.00
8/29/2011 0.00
8/30/2011 0.00
8/31/2011 1.64
9/1/2011 0.00
9/2/2011 0.00
9/3/2011 2.11
9/4/2011 0.62
9/5/2011 0.00
9/6/2011 0.00
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.00
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.00
9/16/2011 0.00
9/17/2011 0.02
9/18/2011 0.15
9/19/2011 0.26
9/20/2011 0.00
9/21/2011 0.00
9/22/2011 0.00
9/23/2011 0.04
9/24/2011 0.00
9/25/2011 0.00
9/26/2011 0.35
9/27/2011 0.58
9/28/2011 0.00
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 5:00 AM 0.00 0.0 M M M
10/2/2010 7:00 AM 0.00 0.0 M M M
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 5:00 AM 0.00 0.0 M M M
10/5/2010 5:00 AM 0.00 0.0 M M M
10/6/2010 5:00 AM 0.00 0.0 M M M
10/7/2010 5:00 AM 0.00 0.0 M M M
10/8/2010 7:00 AM 0.00 0.0 M M M
10/9/2010 7:00 AM 0.00 0.0 M M M
10/10/2010 7:00 AM 0.00 0.0 M M M
10/11/2010 5:00 AM 0.00 0.0 M M M Numerous sprinklers running around the neighborhoods.
10/12/2010 5:00 AM 0.00 0.0 M M M
10/13/2010 5:00 AM 0.00 0.0 M M M Rain and thunder to E & ESE about 330-430PM. Not one drop for SE ALO.
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 5:00 AM 0.00 0.0 M M M Drier than a popcorn phhht.
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.00 0.0 M M M
10/18/2010 7:00 AM 0.00 0.0 M M M Some passing virga last evening about 7PM.
10/19/2010 4:50 AM 0.00 0.0 M M M
10/20/2010 5:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.00 0.0 M M M
10/22/2010 7:00 AM 0.00 0.0 M M M
10/23/2010 7:00 AM 0.16 M M M M
10/24/2010 7:00 AM 0.00 0.0 M M M Heavier rains were S and E of ALO all day.
10/25/2010 5:00 AM 0.08 M M M M Some drizzle earlier in the day. A brief shower in the evening.
10/26/2010 5:00 AM 0.05 M M M M Still raining at time of reading. Dont expect too much more after observing radar. Moderate rains to the east of ALO again.
10/27/2010 5:00 AM 0.17 M M M M Todays reading represents balance of yesterdays total rainfall that fell after yesterdays reading.
10/28/2010 5:00 AM T M M M M Sleet balls or something frozen hit me in the face about 4pm. Only splattered the west windows.
10/29/2010 5:00 AM 0.00 0.0 M M M
10/30/2010 7:00 AM 0.00 0.0 M M M
10/31/2010 7:00 AM 0.00 0.0 M M M
11/1/2010 7:00 AM 0.00 0.0 M M M
11/2/2010 5:00 AM 0.00 0.0 M M M Very dry month of October. < 0.5"
11/3/2010 7:00 AM 0.00 0.0 M M M
11/4/2010 4:45 AM 0.00 0.0 M M M Gusty winds from late AM to early eve. Did my raking for me.
11/5/2010 5:00 AM 0.00 0.0 M M M
11/6/2010 7:00 AM 0.00 0.0 M M M
11/7/2010 7:00 AM 0.00 0.0 M M M
11/8/2010 5:00 AM 0.00 0.0 M M M
11/9/2010 5:00 AM 0.00 0.0 M M M
11/10/2010 5:00 AM 0.00 0.0 M M M
11/11/2010 6:00 AM 0.02 M M M M
11/12/2010 7:00 AM 0.12 M M M M
11/13/2010 7:00 AM 0.75 0.0 0.00 0.0 0.00
11/14/2010 7:00 AM 0.03 0.0 0.00 0.0 0.00
11/15/2010 5:00 AM 0.01 T 0.00 0.0 0.00 Some light flurries in the morning.
11/16/2010 5:00 AM T 0.0 0.00 0.0 0.00 Just beginning to sprinkle. A lone, passing cluster of showers shown on radar.
11/17/2010 5:00 AM 0.10 M M M M
11/18/2010 7:00 AM 0.00 0.0 M M M
11/19/2010 5:00 AM 0.00 0.0 M M M
11/20/2010 7:00 AM 0.00 0.0 M M M Pretty dry fall this year.....only about an inch since mid September here in SE ALO
11/21/2010 7:00 AM 0.02 M M M M Drizzle ongoing at reading time.
11/22/2010 5:00 AM 0.03 0.0 0.00 0.0 0.00
11/23/2010 7:00 AM 0.01 0.0 0.00 0.0 0.00
11/24/2010 7:00 AM 0.00 0.0 M M M Stiff east wind gusting to 25MPH.
11/25/2010 7:00 AM 0.08 0.0 0.00 0.0 0.00 From 34• to 16• in 12 hours. Gauge contents frozen now but fell as liquid mostly. Some residual frozen precip adhering to inanimate objects. 3 claps of thunder yesterday about 2PM. Power surges and flickering lights also Wed.
11/27/2010 7:00 AM T T 0.00 0.0 0.00 Light snow flurries about 11am.
11/28/2010 7:00 AM 0.00 0.0 M M M
11/29/2010 5:00 AM 0.00 0.0 0.00 0.0 0.00
11/30/2010 7:00 AM 0.33 0.0 0.00 0.0 0.00
12/1/2010 7:00 AM T T T 0.0 0.00 Snow flurries most of the aft/evening
12/2/2010 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/3/2010 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/4/2010 7:00 AM 0.05 0.3 0.05 0.3 0.05
12/5/2010 7:00 AM T T 0.00 0.3 0.05
12/6/2010 5:00 AM T T T 0.2 0.01
12/7/2010 5:30 AM 0.01 0.1 0.01 0.2 0.02
12/8/2010 5:00 AM 0.00 0.0 0.00 0.1 0.01
12/9/2010 7:00 AM 0.00 0.0 0.00 0.1 0.01
12/10/2010 5:00 AM 0.00 0.0 0.00 0.1 0.01
12/11/2010 7:00 AM 0.05 0.0 0.00 0.0 0.00
12/12/2010 7:00 AM 0.50 2.7 0.25 2.7 0.25 0.25 Fell as liquid form. Balance is SWE value.
12/13/2010 5:00 AM 0.00 0.0 0.00 2.5 0.25
12/14/2010 5:00 AM 0.00 0.0 0.00 2.5 0.25 -3º at reading time.
12/15/2010 7:00 AM 0.00 0.0 0.00 2.0 0.20
12/16/2010 5:00 AM 0.32 4.5 0.32 6.5 0.57
12/17/2010 7:00 AM 0.04 0.5 0.04 7.0 0.61
12/18/2010 7:00 AM 0.00 0.0 0.00 7.0 M
12/19/2010 7:00 AM 0.00 0.0 0.00 7.0 M
12/20/2010 7:00 AM 0.00 0.0 0.00 7.0 M
12/21/2010 7:00 AM 0.12 2.6 0.12 9.6 M
12/22/2010 7:00 AM 0.00 0.0 0.00 9.5 M
12/23/2010 7:00 AM 0.00 0.0 0.00 9.3 M
12/24/2010 7:00 AM 0.48 6.5 0.48 16.0 M
12/25/2010 7:00 AM 0.15 3.5 0.15 17.0 M
12/26/2010 7:00 AM T T T 17.0 M
12/27/2010 7:00 AM 0.00 0.0 0.00 16.5 M Looks like false flurries coming off trees from frozen fog crystals. Its a Kodak moment for pictures.
12/28/2010 7:00 AM 0.00 0.0 0.00 16.5 M
12/29/2010 7:00 AM 0.00 0.0 0.00 16.0 M
12/30/2010 7:00 AM 0.01 0.0 0.00 9.5 M Snowpack melting in earnest. Like a chinook.
12/31/2010 7:00 AM 0.00 0.0 0.00 4.0 M
1/1/2011 7:00 AM 0.02 0.0 0.00 4.0 M
1/2/2011 7:00 AM 0.01 0.1 0.01 4.1 M
1/3/2011 6:00 AM 0.00 0.0 0.00 4.1 M
1/4/2011 5:00 AM T T T 4.0 M
1/5/2011 5:00 AM 0.00 0.0 0.00 4.0 M
1/6/2011 7:00 AM 0.01 0.1 0.01 4.1 M
1/7/2011 5:00 AM 0.01 0.1 0.01 4.1 M
1/8/2011 7:00 AM 0.02 0.2 0.02 4.2 M
1/9/2011 7:00 AM 0.00 0.0 0.00 4.0 M
1/10/2011 5:00 AM 0.00 0.0 0.00 4.1 M
1/11/2011 5:00 AM 0.31 4.5 0.31 8.5 M
1/12/2011 5:00 AM 0.00 0.0 0.00 7.5 M
1/13/2011 6:00 AM 0.00 0.0 0.00 7.5 M
1/14/2011 7:00 AM 0.00 0.0 0.00 7.5 M
1/15/2011 7:00 AM 0.02 0.2 M 7.5 M
1/16/2011 7:00 AM 0.00 0.0 0.00 7.5 M
1/17/2011 7:00 AM 0.22 2.5 0.22 10.0 M
1/18/2011 5:00 AM 0.05 0.5 0.05 10.5 M
1/19/2011 5:00 AM 0.01 0.3 0.01 10.8 M Chicken feather snowfall.
1/20/2011 5:00 AM 0.00 0.0 0.00 10.6 M
1/21/2011 5:00 AM 0.00 0.0 0.00 10.5 M
1/22/2011 7:00 AM 0.01 0.2 0.01 10.5 M
1/23/2011 7:00 AM 0.00 0.0 0.00 10.5 M
1/24/2011 5:00 AM 0.00 0.0 0.00 10.0 M
1/25/2011 5:00 AM 0.00 0.0 0.00 10.0 M
1/26/2011 5:00 AM 0.00 0.0 0.00 9.5 M
1/27/2011 5:00 AM 0.00 0.0 0.00 9.5 M
1/28/2011 5:00 AM 0.00 0.0 0.00 9.0 M
1/29/2011 7:00 AM 0.00 0.0 0.00 9.0 M What little snow melt occurred this last week happened very slowly. Still cloudy.
1/30/2011 7:00 AM 0.14 1.5 0.14 10.5 M
2/1/2011 4:30 AM 0.12 2.3 0.12 12.3 M
2/2/2011 7:00 AM 0.42 5.5 0.42 17.0 M
2/3/2011 5:00 AM 0.00 0.0 0.00 17.0 M
2/4/2011 5:00 AM 0.00 0.0 0.00 16.5 M
2/5/2011 7:00 AM 0.00 0.0 0.00 16.5 M
2/6/2011 7:00 AM 0.08 1.6 0.08 14.5 M Some melting yesterday as temps hovered around 30• with the sun out. Still lost some total snow cover despite todays snowfall.
2/7/2011 5:00 AM 0.00 0.0 0.00 14.5 M
2/8/2011 7:00 AM 0.00 0.0 0.00 14.5 M
2/9/2011 5:00 AM 0.00 0.0 0.00 14.5 M
2/10/2011 5:00 AM 0.00 0.0 0.00 14.5 M
2/11/2011 5:00 AM 0.00 0.0 0.00 14.0 M
2/12/2011 7:00 AM T T T 12.5 M
2/13/2011 7:00 AM 0.00 0.0 0.00 11.5 M Balmy start to the day.
2/14/2011 4:50 AM 0.00 0.0 0.00 10.0 M
2/15/2011 5:00 AM 0.00 0.0 0.00 10.0 M
2/16/2011 5:00 AM 0.00 0.0 0.00 7.0 M
2/17/2011 5:00 AM 0.00 0.0 0.00 4.0 M More snow in town than in open country. Rural snow cover all but diminished with deeper drifts being the exception.
2/18/2011 5:00 AM 0.00 0.0 0.00 1.0 M Remaining snow cover reduced to usual piles in parking lots, at the end of driveways and where drifted around buildings. Alot of runoff in local creek yesterday.
2/19/2011 7:00 AM 0.00 0.0 0.00 T M Snow cover remains in shadows, along roadsides and where deeper drifting occurred. More of these piles noticed in urban areas vs countryside. Local Black Hawk creek had been running bank full. Has now receded some although still high.
2/20/2011 7:00 AM 0.51 0.0 0.00 0.0 M Frequent lightning and thunder around 6:30-7:00AM. Earliest occurrence I can recall in 54 years. Some sleet mixed in. Few shallow snow drifts remain now.
2/21/2011 5:00 AM 0.23 0.0 0.00 0.0 M All liquid. Some sleet fell about 7pm.
2/22/2011 5:00 AM 0.03 0.6 0.03 0.6 M
2/23/2011 5:00 AM 0.00 0.0 0.00 T M
2/24/2011 5:00 AM 0.00 0.0 0.00 0.0 0.00
2/25/2011 5:00 AM 0.00 0.0 0.00 0.0 M
2/26/2011 7:00 AM 0.03 0.7 0.03 0.7 0.03 Chicken feather snow
2/27/2011 7:00 AM 0.04 0.5 0.04 1.1 0.07
2/28/2011 7:00 AM 0.00 0.0 0.00 1.0 0.06
3/1/2011 4:30 AM 0.00 0.0 0.00 T M
3/2/2011 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/3/2011 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/4/2011 5:00 AM 0.12 0.0 0.00 0.0 0.00
3/5/2011 7:00 AM T T T 0.0 0.00
3/6/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 March, the month in which all Iowans know the other shoe will drop.
3/7/2011 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/8/2011 4:30 AM T T 0.00 0.0 0.00 What little snowfall fell melted upon impact.
3/9/2011 5:00 AM 0.44 1.2 0.16 1.2 0.16 Rain from 6PM to 8:30PM. Changed over to very large flakes at about 8:30PM.
3/10/2011 5:00 AM T T T T T
3/11/2011 6:00 AM 0.00 0.0 0.00 0.0 0.00
3/12/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Gusty winds are roaring in my trees
3/13/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/14/2011 4:45 AM 0.00 0.0 0.00 0.0 0.00
3/15/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/16/2011 4:45 AM 0.00 0.0 0.00 0.0 0.00
3/17/2011 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/18/2011 7:00 AM T M M M M About enough of a misting to dampen half my driveway.
3/19/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/20/2011 7:00 AM 0.63 M M M M Continuous lightning and thunder about 6am.
3/21/2011 7:00 AM 0.09 M M M M Residual reading from yesterday's shower activity.
3/22/2011 5:00 AM 0.17 M M M M
3/23/2011 5:00 AM 0.41 0.0 0.00 0.0 0.00 Squall line tamed down to a few minutes of heavy showers and some lightning by its arrival at SE Wloo. Had a stiff wind from the east beforehand late aft into the evening.
3/25/2011 6:00 AM 0.00 0.0 0.00 0.0 0.00
3/26/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/27/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/28/2011 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/29/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/30/2011 7:00 AM 0.00 0.0 M M M
4/1/2011 5:00 AM 0.01 M M M M
4/2/2011 7:00 AM 0.00 0.0 M M M
4/3/2011 7:00 AM 0.00 0.0 M M M
4/4/2011 6:00 AM 0.04 M M M M
4/5/2011 7:00 AM 0.00 0.0 M M M
4/6/2011 5:00 AM 0.00 0.0 M M M
4/7/2011 6:00 AM 0.00 0.0 M M M
4/8/2011 5:00 AM 0.28 M M M M
4/9/2011 7:00 AM 0.00 0.0 M M M
4/10/2011 7:00 AM 0.00 0.0 M M M
4/11/2011 5:00 AM 0.00 0.0 M M M Not one drop of rain after all the gloom and doom predicted for 2-3 days.
4/12/2011 5:00 AM 0.00 0.0 M M M
4/13/2011 5:00 AM 0.00 0.0 M M M Getting dry again in yard. Raking grass raises a dust cloud.
4/14/2011 5:00 AM 0.02 M M M M
4/15/2011 5:00 AM 0.00 0.0 M M M Nary a sprinkle despite the approaching rain shield from SW. Easterly fetch at lower levels disintegrated any measureable chances.
4/16/2011 7:00 AM 0.57 T T M M Trace snowfall adhering to rooftops, grass, and other surfaces unable to produce latent heat.
4/17/2011 7:00 AM 0.00 0.0 M M M
4/18/2011 5:00 AM 0.55 T M M M Close observation revealed slight traces of snowfall at some point overnight.
4/19/2011 5:00 AM 0.27 M M M M
4/20/2011 5:00 AM 0.76 1.0 0.15 M M Snowfall melted before I could get accurate measurment & melted value. SNowfall / Melted Value are estimates.
4/21/2011 5:00 AM 0.00 0.0 M M M
4/22/2011 7:00 AM 0.02 M M M M
4/23/2011 7:00 AM 0.09 M M M M
4/24/2011 7:00 AM 0.00 0.0 M M M
4/25/2011 7:00 AM 0.00 0.0 M M M
4/26/2011 5:00 AM 1.23 M M M M Precip still coming down steadily at reading time.
4/27/2011 4:45 AM 0.44 M M M M
4/28/2011 5:00 AM T M M M M Very light mist was enough to dampen driveway.
4/29/2011 5:00 AM 0.00 0.0 M M M
4/30/2011 7:00 AM T M M M M
5/1/2011 7:00 AM 0.00 0.0 M M M Sure, finally get blue skies but with cooler temps and that blasted wind.
5/2/2011 5:00 AM 0.00 0.0 M M M
5/3/2011 5:00 AM 0.00 0.0 M M M
5/4/2011 5:00 AM 0.00 0.0 M M M
5/5/2011 5:00 AM 0.00 0.0 M M M
5/6/2011 5:00 AM 0.02 M M M M
5/7/2011 7:05 AM 0.08 M M M M
5/8/2011 7:00 AM 0.00 0.0 M M M
5/9/2011 4:30 AM 0.00 0.0 M M M Showers that were headed towards ALO yesterday melted away to nothing but passing clouds by 12:00pm.
5/10/2011 4:30 AM 0.00 0.0 M M M
5/11/2011 7:00 AM 0.00 0.0 M M M
5/12/2011 5:00 AM 0.25 M M M M Some decent rain finally.
5/13/2011 5:00 AM 0.35 M M M M
5/14/2011 7:00 AM 0.05 M M M M A light mist observed at reading time.
5/15/2011 7:00 AM 0.81 M M M M All day steady rain.
5/16/2011 5:00 AM 0.00 0.0 M M M
5/17/2011 5:00 AM 0.00 0.0 M M M
5/18/2011 5:00 AM 0.00 0.0 M M M
5/19/2011 7:00 AM 0.00 0.0 M M M
5/20/2011 5:00 AM 0.00 0.0 M M M Just stating to spit at reading time.
5/21/2011 7:00 AM 0.19 M M M M
5/22/2011 7:00 AM 0.31 M M M M 0.19 fell Sat AM with the balance occurring overnight.
5/23/2011 5:00 AM 0.00 0.0 M M M Strong storms clipped the NW corner of Black Hawk county about 2:30PM Sunday. Not a drop here.
5/24/2011 7:00 AM 0.00 0.0 M M M
5/25/2011 5:00 AM 1.24 M M M M
5/26/2011 5:00 AM 1.20 M M M M
5/27/2011 5:00 AM 0.00 0.0 M M M
5/28/2011 7:00 AM T M M M M
5/29/2011 7:00 AM 0.09 M M M M
5/30/2011 7:00 AM 0.05 M M M M Strong storms missed ALO to the south early Sun AM.
5/31/2011 5:00 AM 0.03 M M M M
6/1/2011 4:45 AM 0.00 0.0 M M M
6/2/2011 5:00 AM 0.00 0.0 M M M Lightning to the west and southwest.
6/3/2011 5:00 AM 0.30 M M M M Brief but heavy shower about 6 am
6/6/2011 7:00 AM 0.00 0.0 M M M
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 7:00 AM 0.00 0.0 M M M Lawn sprinklers becoming more and more obvious. Could use an inch in and around ALO.
6/9/2011 7:00 AM 0.05 M M M M Far heavier rainfall amounts fell just to the south of ALO. Missed the metro area.
6/10/2011 7:00 AM 1.63 M M M M
6/11/2011 7:00 AM 0.04 M M M M
6/12/2011 7:00 AM 0.00 0.0 M M M
6/13/2011 7:00 AM 0.00 0.0 M M M
6/14/2011 4:50 AM 0.00 0.0 M M M Lightning to the west and south.
6/15/2011 5:00 AM 0.09 M M M M Substantial rainfall has been missing ALO the past week. Southern Black Hawk County is wet though.
6/16/2011 5:00 AM 0.49 M M M M Nice soaking shower for the garden and yard. Black Hawk county not as wet as counties further south in Iowa.
6/17/2011 5:00 AM 0.00 0.0 M M M
6/18/2011 7:00 AM 0.00 0.0 M M M
6/19/2011 7:00 AM T M M M M Light mist at reading time
6/20/2011 5:00 AM 0.00 0.0 M M M Overnight storms missed ALO to the south again.
6/21/2011 5:00 AM 1.06 M M M M 0.30 of todays total was from AM showers yesterday. Storms came through about 1:30 to 2:00AM. Some gusty winds but no limbs down in my neighborhood.
6/22/2011 5:00 AM 0.38 M M M M Popcorn style showers since late yesterday aft.
6/23/2011 5:00 AM 0.13 M M M M SHowers around 7-8PM
6/24/2011 5:00 AM 0.00 0.0 M M M
6/25/2011 7:00 AM 0.00 0.0 M M M
6/26/2011 7:00 AM 0.24 M M M M Short burst of heavy rain yesterday AM.
6/27/2011 5:00 AM 0.06 M M M M Like a stuck record this month. Once again, heavier storms missed us to the south overnight.
6/28/2011 5:00 AM 0.00 0.0 M M M
6/29/2011 7:00 AM 0.00 0.0 M M M
6/30/2011 7:00 AM 0.00 0.0 M M M
7/1/2011 7:00 AM 0.00 0.0 M M M
7/2/2011 7:00 AM 0.00 0.0 M M M Weakening storm missed southern ALO late last night.
7/3/2011 7:00 AM 0.00 0.0 M M M Could use some moisture around the area. Area has not seen beneficial rainfall as much as some surrounding counties.
7/4/2011 7:00 AM 0.00 0.0 M M M
7/5/2011 4:45 AM 0.00 0.0 M M M Grass on lawn going dormant. Fairly dry around the area.
7/6/2011 5:00 AM 0.00 0.0 M M M
7/7/2011 5:00 AM 0.00 0.0 M M M Larger cracks appearing in lawn. Many more sprinklers in use around the neighborhood.
7/8/2011 5:00 AM T M M M M Very light sprinkle for 5 minutes. Barely got pavement wet.
7/9/2011 7:00 AM 0.00 0.0 M M M
7/10/2011 7:00 AM 0.00 0.0 M M M TS cluster on radar looks to be headed ALO's direction. I wonder if it will melt away a be nothing but a wisp of vapor by the time it gets here.....typical for 2011.
7/11/2011 5:00 AM 0.15 M M M M Storm just arriving as I left for work. Reported accumulation is from yesterday AM. Report balance of todays rainfall on tomorrows report.
7/12/2011 5:00 AM 0.22 M M M M Balance of yesterdays total not reported until today.
7/13/2011 5:00 AM 0.07 M M M M
7/14/2011 5:00 AM 0.00 0.0 M M M
7/15/2011 5:00 AM 0.09 M M M M
7/16/2011 7:00 AM 0.40 M M M M Much needed steady rainfall.
7/17/2011 7:00 AM 0.00 0.0 M M M 80• at 8am. Don't see that very often.
7/18/2011 4:45 AM 0.03 M M M M Smaller thundershower passed the west and south of ALO yesterday about 12-1:00pm. Heavier rainfall over that direction.
7/19/2011 5:00 AM 0.00 0.0 M M M New record at my house. Minimum temp was 83º when I checked at 4AM. Have not seen that before that I can remember.
7/20/2011 7:00 AM 0.00 0.0 M M M
7/21/2011 8:45 AM 0.52 M M M M Later report due to storm in progress. MUCH needed rainfall. Central ALO got much more.
7/22/2011 7:00 AM 0.80 M M M M 0.2 was from yesterday passing showers. Balance from last nights thunderstorms
7/23/2011 7:00 AM 2.52 M M M M Two separate storms. First dropped about 1.25 inches with heavy winds. Large tree across the street came down. Then last nights storm dropped the rest of todays reading.
7/24/2011 7:00 AM 0.00 0.0 M M M
7/25/2011 4:30 AM 0.28 M M M M
7/26/2011 5:00 AM 0.00 0.0 M M M
7/28/2011 5:00 AM 0.00 0.0 M M M Storms just to the east and north of ALO. Not a drop to report here though.
7/29/2011 5:00 AM 0.64 M M M M
7/30/2011 7:00 AM 0.00 0.0 M M M
7/31/2011 7:00 AM 0.00 0.0 M M M
8/1/2011 5:00 AM 0.00 0.0 M M M
8/2/2011 5:00 AM 0.00 0.0 M M M
8/3/2011 5:00 AM 0.00 0.0 M M M
8/4/2011 5:00 AM 0.00 0.0 M M M
8/5/2011 5:00 AM T 0.0 M M M I think I counted 10 drops of rain
8/6/2011 7:00 AM 0.03 M M M M
8/7/2011 7:00 AM 0.05 M M M M Rain total quite a bit short of the 0.70 amount predicted for metro area
8/8/2011 7:00 AM 0.00 0.0 M M M
8/9/2011 7:00 AM 1.05 M M M M Total amounts came in about 7 rounds of brief, heavy rainfall.
8/10/2011 5:00 AM 0.00 0.0 M M M
8/11/2011 6:00 AM 0.00 0.0 M M M
8/12/2011 7:00 AM 0.00 0.0 M M M
8/13/2011 7:00 AM 0.00 0.0 M M M
8/14/2011 7:00 AM 0.09 M M M M One minute downpour from passing cumulous conglomeration.
8/15/2011 5:00 AM 0.00 0.0 M M M
8/16/2011 7:00 AM 0.00 0.0 M M M
8/17/2011 5:00 AM 0.00 0.0 M M M
8/18/2011 5:00 AM 0.00 0.0 M M M Grass in yard going dormant again.
8/19/2011 5:00 AM 0.00 0.0 M M M
8/20/2011 7:00 AM 0.00 0.0 M M M
8/22/2011 5:00 AM 0.00 0.0 M M M
8/23/2011 5:00 AM 1.18 M M M M
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 5:00 AM 0.00 0.0 M M M
8/26/2011 7:00 AM 0.00 0.0 M M M
8/28/2011 7:00 AM 0.00 0.0 M M M
8/29/2011 5:00 AM 0.00 0.0 M M M I saw about 8 drops fall from the sky around 4-5PM. Not even enough for a "T" report.
8/30/2011 5:00 AM 0.00 0.0 M M M Getting dry again in yard. Weeds are green. Grass aint.
8/31/2011 5:00 AM 1.64 M M M M Much needed rainfall fell in 2-3 hour timespan.
9/1/2011 5:00 AM 0.00 0.0 M M M
9/2/2011 5:00 AM 0.00 0.0 M M M Radar lighting up. Looks like a wet day ahead.
9/3/2011 7:00 AM 2.11 M M M M 11:45PM ALO had 60 mph gusts. 1-3" branches down. Torrential white out rains. ANother round 2 hours later not quite as intense.
9/4/2011 7:00 AM 0.62 M M M M
9/5/2011 7:00 AM 0.00 0.0 M M M
9/6/2011 5:00 AM 0.00 0.0 M M M
9/7/2011 7:00 AM 0.00 0.0 M M M
9/8/2011 5:00 AM 0.00 0.0 M M M
9/9/2011 5:00 AM 0.00 0.0 M M M
9/10/2011 7:00 AM 0.00 0.0 M M M
9/11/2011 7:00 AM 0.00 0.0 M M M
9/12/2011 7:00 AM 0.00 0.0 M M M
9/13/2011 5:00 AM 0.00 0.0 M M M
9/14/2011 7:00 AM 0.00 0.0 M M M
9/15/2011 5:00 AM 0.00 0.0 M M M
9/16/2011 5:00 AM 0.00 0.0 M M M
9/17/2011 6:00 AM 0.02 M M M M
9/18/2011 7:00 AM 0.15 M M M M
9/19/2011 5:00 AM 0.26 M M M M Light showers most of the day.
9/20/2011 5:00 AM 0.00 0.0 M M M
9/21/2011 5:00 AM 0.00 0.0 M M M A few drops fell mid aft about 4:15pm. Not even enough to report a trace.
9/22/2011 5:00 AM 0.00 0.0 M M M
9/23/2011 5:00 AM 0.04 M M M M
9/24/2011 6:00 AM 0.00 0.0 M M M
9/25/2011 7:00 AM 0.00 0.0 M M M
9/26/2011 7:00 AM 0.35 M M M M About 4 or 5 separate episodes of passing showers. Thunder with the one about 7-8PM.
9/27/2011 5:00 AM 0.58 M M M M Nearly all morning and aft showers. Quit about 5pm.
9/28/2011 5:00 AM 0.00 0.0 M M M
9/29/2011 5:00 AM 0.00 0.0 M M M
9/30/2011 5:00 AM 0.00 0.0 M M M Some larger limbs down yesterday. 2-3 inchers mostly. Alot of twigs and leaves in streets. 50MPH gusts estimated.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
6/4/2011 6/05/2011 12:00 AM 2 0.04 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