Station Overview Station Location
Station Number TX-BXR-38 Latitude 29.54934
Station Name Helotes 4.5 WSW Longitude -98.76446
County Bexar Elevation (ft) 1020



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 3.91 8.75 43 8.37 12 0.38 31 1 9 0 0.0 0 0
Nov 09 2.29 1.74 11 1.74 11 0.00 0 0 7 0 0.0 0 0
Dec 09 1.88 1.71 15 1.71 15 0.00 0 0 10 0 0.0 0 0
Jan 10 1.79 4.05 16 4.05 16 0.00 0 0 10 0 0.0 0 0
Feb 10 2.00 5.70 15 5.70 15 0.00 0 0 14 0 0.0 0 0
March 10 2.58 2.50 10 2.50 10 0.00 0 0 9 0 0.0 0 0
April 10 2.21 8.46 15 8.46 15 0.00 0 0 9 0 0.0 0 0
May 10 3.73 5.47 8 5.47 8 0.00 0 0 4 0 0.0 0 0
June 10 4.16 2.68 9 2.68 9 0.00 0 0 6 0 0.0 0 0
July 10 2.85 4.19 13 4.19 13 0.00 0 0 9 0 0.0 0 0
Aug 10 2.06 0.10 7 0.10 7 0.00 0 0 1 0 0.0 0 0
Sept 10 3.12 6.00 11 6.00 11 0.00 0 0 11 0 0.0 0 0
Water Year Totals: 32.58" 51.35" 173 days 50.97" 142 0.38" 31 days 1 99 days 0 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
10/1/2009 **
10/2/2009 0.00 **
10/3/2009 0.08 **
10/4/2009 2.56 **
10/5/2009 0.02 **
10/6/2009 **
10/7/2009 **
10/8/2009 **
10/9/2009 1.59 **
10/10/2009 0.02 **
10/11/2009 **
10/12/2009 **
10/13/2009 0.25 **
10/14/2009 **
10/15/2009 **
10/16/2009 0.00 **
10/17/2009 0.00 **
10/18/2009 **
10/19/2009 **
10/20/2009 **
10/21/2009 **
10/22/2009 2.40 **
10/23/2009 **
10/24/2009 0.01 **
10/25/2009 1.44 **
10/26/2009 **
10/27/2009 **
10/28/2009 **
10/29/2009 **
10/30/2009 **
10/31/2009 0.38
11/1/2009
11/2/2009
11/3/2009
11/4/2009
11/5/2009
11/6/2009
11/7/2009 0.00
11/8/2009
11/9/2009
11/10/2009
11/11/2009
11/12/2009
11/13/2009 0.02
11/14/2009
11/15/2009
11/16/2009 0.31
11/17/2009
11/18/2009
11/19/2009 0.12
11/20/2009
11/21/2009 1.10
11/22/2009
11/23/2009
11/24/2009 0.03
11/25/2009 0.00
11/26/2009
11/27/2009 0.00
11/28/2009 0.01
11/29/2009 0.00
11/30/2009 0.15
12/1/2009 0.36
12/2/2009 0.28
12/3/2009
12/4/2009 0.00
12/5/2009
12/6/2009
12/7/2009
12/8/2009 0.07
12/9/2009 0.02
12/10/2009
12/11/2009 0.00
12/12/2009 0.16
12/13/2009
12/14/2009
12/15/2009 0.03
12/16/2009
12/17/2009
12/18/2009 0.31
12/19/2009 0.01
12/20/2009
12/21/2009
12/22/2009
12/23/2009
12/24/2009 0.30
12/25/2009 0.00
12/26/2009 0.00
12/27/2009 0.00
12/28/2009
12/29/2009
12/30/2009 0.17
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.02
1/2/2010 0.00
1/3/2010
1/4/2010
1/5/2010
1/6/2010
1/7/2010
1/8/2010 0.00
1/9/2010 0.00
1/10/2010
1/11/2010
1/12/2010
1/13/2010
1/14/2010 0.30
1/15/2010 1.61
1/16/2010 1.07
1/17/2010
1/18/2010
1/19/2010 0.03
1/20/2010 0.02
1/21/2010 0.03
1/22/2010 0.00
1/23/2010
1/24/2010
1/25/2010
1/26/2010
1/27/2010 0.00
1/28/2010 0.40
1/29/2010 0.54
1/30/2010 0.03
1/31/2010 0.00
2/1/2010 0.03
2/2/2010 0.04
2/3/2010 1.20
2/4/2010 1.03
2/5/2010 0.25
2/6/2010 0.01
2/7/2010
2/8/2010
2/9/2010 0.26
2/10/2010
2/11/2010 0.46
2/12/2010 0.28
2/13/2010 0.01
2/14/2010
2/15/2010
2/16/2010
2/17/2010
2/18/2010
2/19/2010
2/20/2010 0.01
2/21/2010
2/22/2010 0.00
2/23/2010
2/24/2010 0.21
2/25/2010
2/26/2010 1.90
2/27/2010 0.01
2/28/2010
3/1/2010 0.42
3/2/2010
3/3/2010
3/4/2010
3/5/2010 0.01
3/6/2010
3/7/2010
3/8/2010
3/9/2010 0.06
3/10/2010 0.02
3/11/2010
3/12/2010
3/13/2010
3/14/2010
3/15/2010
3/16/2010 0.76
3/17/2010
3/18/2010
3/19/2010
3/20/2010 0.89
3/21/2010
3/22/2010
3/23/2010
3/24/2010 0.02
3/25/2010 0.31
3/26/2010 0.01
3/27/2010 0.00
3/28/2010
3/29/2010
3/30/2010
3/31/2010
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010 0.02
4/3/2010
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 0.04
4/7/2010 0.00
4/8/2010 0.05
4/9/2010 0.00
4/10/2010 0.00
4/11/2010
4/12/2010
4/13/2010
4/14/2010 0.05
4/15/2010 0.55
4/16/2010 1.17
4/17/2010 6.50
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010
4/23/2010 0.05
4/24/2010 0.03
4/25/2010
4/26/2010
4/27/2010
4/28/2010
4/29/2010
4/30/2010 0.00
5/1/2010 0.00
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010 0.00
5/8/2010 0.01
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010 0.86
5/15/2010 4.40
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010 0.00
5/22/2010
5/23/2010
5/24/2010
5/25/2010
5/26/2010
5/27/2010
5/28/2010 0.20
5/29/2010 0.00
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010 0.71
6/4/2010
6/5/2010
6/6/2010
6/7/2010
6/8/2010 0.57
6/9/2010 0.14
6/10/2010
6/11/2010 0.01
6/12/2010 0.00
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010 0.60
6/19/2010 0.00
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010 0.00
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010 0.65
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.99
7/2/2010 0.56
7/3/2010 0.03
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010 1.23
7/10/2010 0.31
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010 0.00
7/17/2010 0.00
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010 0.05
7/24/2010 0.16
7/25/2010 0.00
7/26/2010
7/27/2010 0.70
7/28/2010
7/29/2010
7/30/2010 0.16
7/31/2010 0.00
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010 0.00
8/7/2010 0.00
8/8/2010
8/9/2010 0.00
8/10/2010
8/11/2010
8/12/2010
8/13/2010 0.00
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 0.00
8/24/2010
8/25/2010 0.10
8/26/2010
8/27/2010
8/28/2010
8/29/2010 0.00
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010 0.47
9/4/2010
9/5/2010
9/6/2010
9/7/2010 1.09
9/8/2010 1.68
9/9/2010 0.50
9/10/2010 0.02
9/11/2010 0.03
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010 0.41
9/19/2010 0.10
9/20/2010
9/21/2010
9/22/2010 0.90
9/23/2010 0.69
9/24/2010
9/25/2010
9/26/2010 0.11
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2009 8:33 AM 0.00 0.0 M M M
10/3/2009 9:20 AM 0.08 M M M M
10/4/2009 7:00 AM 2.56 M M M M
10/5/2009 7:00 AM 0.02 M M M M
10/9/2009 11:07 AM 1.59 M M M M
10/10/2009 8:34 AM 0.02 M M M M
10/13/2009 11:00 AM 0.25 M M M M
10/16/2009 10:00 AM 0.00 0.0 M M M
10/17/2009 9:44 AM 0.00 0.0 M M M
10/22/2009 8:00 AM 2.40 M M M M
10/24/2009 9:21 AM 0.01 M M M M
10/25/2009 8:00 AM 1.44 M M M M
11/7/2009 10:00 AM 0.00 0.0 M M M
11/13/2009 7:50 AM 0.02 M M M M
11/16/2009 8:00 AM 0.31 M M M M
11/19/2009 7:00 AM 0.12 M M M M
11/21/2009 1:30 PM 1.10 M M M M rainfall is from during the day on the 20th and overnight
11/24/2009 8:00 AM 0.03 M M M M
11/25/2009 7:30 AM 0.00 0.0 M M M
11/27/2009 7:00 AM 0.00 0.0 M M M
11/28/2009 8:16 AM 0.01 M M M M dew fall, not rain
11/29/2009 8:00 AM 0.00 0.0 M M M
11/30/2009 11:00 AM 0.15 M M M M
12/1/2009 1:40 PM 0.36 M M M M
12/2/2009 9:00 AM 0.28 M M M M Rainfall was from afternoon of 12/01/09 and overnight.
12/4/2009 7:38 AM 0.00 0.0 M M M expecting snow/rain today by the afternoon.
12/8/2009 8:30 AM 0.07 M M M M
12/9/2009 8:30 AM 0.02 M M M M
12/11/2009 8:30 AM 0.00 0.0 M M M
12/12/2009 8:43 AM 0.16 M M M M Gathered for 24 hours between day time heavy mist and nightime rainfall
12/15/2009 10:45 AM 0.03 M M M M
12/18/2009 9:12 AM 0.31 M M M M Rainwater collected between December 16th and Morning of December 18th. Most precipitation collection occured night of December 16th through AM December 17th.
12/19/2009 9:04 AM 0.01 M M M M precipitation from dewfall
12/24/2009 7:00 AM 0.30 M M M M
12/25/2009 10:38 AM 0.00 0.0 M M M
12/26/2009 8:32 AM 0.00 0.0 M M M
12/27/2009 7:39 AM 0.00 0.0 M M M
12/30/2009 4:00 PM 0.17 M M M M
1/1/2010 7:51 AM 0.02 M M M M
1/2/2010 8:59 AM 0.00 0.0 M M M
1/8/2010 8:50 AM 0.00 0.0 M M M scant amount precipitation frozen on bottom of guage. Does not measure to the .01 mark
1/9/2010 8:18 AM 0.00 0.0 M M M
1/14/2010 8:00 AM 0.30 M M M M
1/15/2010 8:12 AM 1.61 M M M M
1/16/2010 7:55 AM 1.07 M M M M
1/19/2010 7:00 AM 0.03 M M M M
1/20/2010 11:08 AM 0.02 M M M M precipitation was due to heavy fog/mist not burning off until late afternoon
1/21/2010 7:00 AM 0.03 M M M M
1/22/2010 8:08 AM 0.00 0.0 M M M Heavy fog and mist, but no recordable precipitation
1/27/2010 8:54 AM 0.00 0.0 M M M Cloudy with 20% chance of rain increasing to 40% tonight. Looking for some more rain - let the wildflower explosion begin!!
1/28/2010 8:00 AM 0.40 M M M M
1/29/2010 7:30 AM 0.54 M M M M Light rain off and on all day the 28th of January, heavier rain through the night.
1/30/2010 8:34 AM 0.03 M M M M water is frozen in the gauge.
1/31/2010 7:30 AM 0.00 0.0 M M M
2/1/2010 8:00 AM 0.03 M M M M
2/2/2010 7:00 AM 0.04 M M M M
2/3/2010 7:00 AM 1.20 M M M M
2/4/2010 7:45 AM 1.03 M M M M
2/5/2010 8:54 AM 0.25 M M M M
2/6/2010 8:05 AM 0.01 M M M M
2/9/2010 7:00 AM 0.26 M M M M
2/11/2010 8:00 AM 0.46 M M M M
2/12/2010 9:25 AM 0.28 M M M M
2/13/2010 8:45 AM 0.01 M M M M Heavy frost overnight with freezing temperatures
2/20/2010 9:05 AM 0.01 M M M M light precipitation through the night - fog in AM
2/22/2010 8:10 AM 0.00 0.0 M M M
2/24/2010 8:00 AM 0.21 M M M M precipitation is from rain, sleet and grapple that fell on the afternoon of the 23rd.
2/26/2010 8:20 AM 1.90 M M M M precipitation gathered Since Monday February 22 and from snow/sleet storm on February 23 till pm. Clear days Feb 24, 25th.
2/27/2010 7:45 AM 0.01 M M M M Considerable frost on rain gauge and trace amount of precipitation in bottom was frozen. Tried to get out after it melted but visitors center was too busy and precip was evaporated by the time the visitors center had closed.
3/1/2010 9:55 AM 0.42 M M M M
3/5/2010 7:42 AM 0.01 M M M M
3/9/2010 9:00 AM 0.06 M M M M precipitation mostly from 3.08
3/10/2010 7:00 AM 0.02 M M M M
3/16/2010 7:30 AM 0.76 M M M M
3/20/2010 8:57 AM 0.89 M M M M Severe Thunderstorm came through 6 am - ish. Pea size hail started about 6:45 for about 15 minutes during driving rain.
3/24/2010 7:00 AM 0.02 M M M M
3/25/2010 7:00 AM 0.31 M M M M
3/26/2010 8:30 AM 0.01 M M M M
3/27/2010 8:00 AM 0.00 0.0 M M M
4/2/2010 8:00 AM 0.02 M M M M
4/4/2010 7:00 AM 0.00 0.0 M M M
4/5/2010 7:00 AM 0.00 0.0 M M M
4/6/2010 7:00 AM 0.04 M M M M
4/7/2010 9:42 AM 0.00 0.0 M M M
4/8/2010 9:00 AM 0.05 M M M M
4/9/2010 7:42 AM 0.00 0.0 M M M
4/10/2010 8:30 AM 0.00 0.0 M M M
4/14/2010 7:00 AM 0.05 M M M M
4/15/2010 7:00 AM 0.55 M M M M
4/16/2010 8:02 AM 1.17 M M M M
4/17/2010 11:00 AM 6.50 M M M M First count at 8:35 a.m. was 2.79". Ground extremely saturated. Walked through 6" of water to reach rain guage. We are heading out to set the sandbags. It is still raining pretty hard. 11:00 after floodwater subsided - 3.71 more inches measured.
4/23/2010 7:00 AM 0.05 M M M M
4/24/2010 7:45 AM 0.03 M M M M
4/30/2010 7:00 AM 0.00 0.0 M M M
5/1/2010 8:00 AM 0.00 0.0 M M M
5/7/2010 7:00 AM 0.00 0.0 M M M
5/8/2010 9:15 AM 0.01 M M M M
5/14/2010 8:01 AM 0.86 M M M M This was taken at the beginning of the tornado warnings and heavy rains. Gauge was monitored through the morning until we evacuated for possible flooding. At
5/15/2010 7:30 AM 4.40 M M M M Data was gathered between 10:45 a.m. 5/14/10 through 7:30 a.m.
5/21/2010 8:00 AM 0.00 0.0 M M M
5/28/2010 8:00 AM 0.20 M M M M we have had clear days since Weds - I'm sure there was evaporation from our last rains which were on Tuesday.
5/29/2010 8:00 AM 0.00 0.0 M M M
6/3/2010 7:00 AM 0.71 M M M M
6/8/2010 3:00 PM 0.57 M M M M
6/9/2010 4:00 PM 0.14 M M M M
6/11/2010 8:00 AM 0.01 M M M M
6/12/2010 8:00 AM 0.00 0.0 M M M
6/18/2010 8:00 AM 0.60 M M M M
6/19/2010 8:00 AM 0.00 0.0 M M M
6/25/2010 8:00 AM 0.00 0.0 M M M
6/30/2010 4:00 PM 0.65 M M M M
7/1/2010 4:43 PM 0.99 M M M M
7/2/2010 8:00 AM 0.56 M M M M Rain was coming in again - will check gauges after next rain bout. Later at 11:23 a.m the gauge was read and it contained .21" in precipitation. That shower lasted between an hour to hour and half.
7/3/2010 8:00 AM 0.03 M M M M
7/9/2010 8:00 AM 1.23 M M M M 3:30 - rain gauge read an additional .91 precipitation
7/10/2010 8:53 AM 0.31 M M M M overnight/early morning precipitation
7/16/2010 7:45 AM 0.00 0.0 M M M
7/17/2010 8:00 AM 0.00 0.0 M M M
7/23/2010 8:14 AM 0.05 M M M M
7/24/2010 8:00 AM 0.16 M M M M
7/25/2010 8:00 AM 0.00 0.0 M M M
7/27/2010 8:22 AM 0.70 M M M M
7/30/2010 7:00 AM 0.16 M M M M
7/31/2010 8:00 AM 0.00 0.0 M M M
8/6/2010 7:45 AM 0.00 0.0 M M M
8/7/2010 8:31 AM 0.00 0.0 M M M
8/9/2010 8:00 AM 0.00 0.0 M M M
8/13/2010 8:00 AM 0.00 0.0 M M M
8/23/2010 11:00 AM 0.00 0.0 M M M
8/25/2010 8:33 AM 0.10 M M M M
8/29/2010 8:00 AM 0.00 0.0 M M M
9/3/2010 9:16 AM 0.47 M M M M inaccurat measurements due to the funnel being removed, either by rain or a 'coon : ) I feel that this is a pretty close estimate due to the other reports in our immediate area
9/7/2010 10:00 AM 1.09 M M M M
9/8/2010 8:30 AM 1.68 M M M M
9/9/2010 7:00 AM 0.50 M M M M
9/10/2010 9:49 AM 0.02 M M M M
9/11/2010 7:00 AM 0.03 M M M M
9/18/2010 7:00 AM 0.41 M M M M
9/19/2010 7:00 AM 0.10 M M M M
9/22/2010 7:00 AM 0.90 M M M M
9/23/2010 7:00 AM 0.69 M M M M
9/26/2010 8:00 AM 0.11 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/1/2009 10/31/2009 7:55 AM 31 0.38 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