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USGS Daily Statistics for Texas

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 08088430 Rock Ck at Rock Ck Rd nr Bryson, TX


Jack County, Texas
Hydrologic Unit Code 12060201
Latitude  33°02'36.66", Longitude  98°24'30.27" NAD83
Drainage area 70.94  square miles
Gage datum 1,043.64 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 2019-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 0.14 0.03 0.05 0.03 1.6 13 2.5 0. 0. 2 0.07 0.04
2 0.09 0.03 0.03 0.03 26 2.7 0.78 0. 38 0.34 0.04 0.04
3 0.07 0.03 0.01 0.01 4.1 1.1 9.8 0. 1.2 0.11 0.03 0.03
4 0.06 0.02 0.01 0.04 1 0.57 7.9 0. 0.1 0.05 0.02 0.03
5 0.06 0.01 0.01 0.07 0.41 0.35 7.1 0. 0.02 0.02 0.01 0.03
6 0.05 0.01 0.01 0.6 0.22 0.19 3 0. 0. 0.01 0.01 0.02
7 0.04 0.01 0. 0.23 0.14 34 0.63 0. 0. 0. 0.01 0.02
8 0.04 0.01 0. 0.1 0.1 13 0.75 0. 0. 0. 0.01 0.01
9 0.04 0. 0. 0.09 0.07 2.6 0.25 0. 26 0. 0.02 0.01
10 0.06 0. 0. 0.35 0.05 0.81 0.1 0. 35 0. 0.02 0.01
11 0.07 2.6 0. 0.52 0.03 0.41 0.05 0. 3.4 0. 0.01 0.01
12 0.07 2.6 0. 0.12 0.04 0.23 0.02 0. 1.4 0. 0.01 0.01
13 0.06 0.36 0. 0.04 2.5 0.13 0. 0. 0.34 0.02 0.01 0.03
14 0.06 0.13 0. 0.02 0.56 0.09 0. 0. 0.11 0.07 0.01 0.03
15 0.05 0.07 0. 0.01 0.15 0.05 0. 0. 0.06 0.09 0.01 0.03
16 0.04 0.05 0. 0.01 0.12 0.01 0. 0. 0.05 0.06 0. 0.02
17 0.04 0.03 0. 0.01 0.09 0. 0. 0. 0.03 0.03 0. 0.01
18 0.04 0.04 0. 0. 0.08 0. 0. 49 0.01 0.01 0. 0.01
19 0.04 0.05 0. 0. 0.03 0. 0. 8 0. 0. 0. 0.01
20 0.05 0.03 0. 0.06 0.01 0. 0. 1.4 0. 0. 0. 0.
21 0.06 0.02 6.5 0.07 0. 0. 0. 0.22 0. 0. 0. 0.
22 0.06 5.2 11 0.13 0. 0. 0. 0.07 0. 0. 0. 0.
23 0.06 1.6 1 0.07 0.01 0. 0. 0.03 0. 0. 0. 0.
24 0.07 0.27 0.24 0.05 0.01 0. 0. 0. 0. 0.35 0. 0.
25 0.08 0.1 0.12 8 14 0. 0. 0. 0. 0.23 0. 0.
26 0.07 0.09 0.08 1.7 4.7 0.23 0. 0. 0. 0.09 0. 0.
27 0.05 0.08 0.05 0.32 1 0.11 0. 0. 0. 0.06 0. 0.
28 0.05 0.07 0.03 1.9 0.35 0.07 0. 0. 0. 0.08 0.04 0.
29 0.05 0. 0.02 20 0.19 130 0. 0. 48 0.14 0.08 0.
30 0.04   0.03 7.9 0.67 13 0. 0. 37 0.24 0.06 0.01
31 0.03   0.03   28   0. 0.   0.1   0.06