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USGS Daily Statistics for the Nation

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 08068325 Willow Ck nr Tomball, TX


Harris County, Texas
Hydrologic Unit Code 12040102
Latitude  30°06'19", Longitude  95°32'47" NAD27
Drainage area 41.0  square miles
Contributing drainage area 41.0  square miles
Gage datum 0 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 2006-10-01 -> 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 31 53 13 14 56 76 27 10 42 21 83 9.2
2 32 30 11 9.5 118 112 42 7.2 33 27 49 21
3 56 30 8.9 12 174 83 42 6.8 40 27 24 25
4 55 34 11 9.1 114 64 38 9.9 31 19 19 21
5 61 22 9.6 7.3 99 58 43 9.4 24 27 15 23
6 28 13 9.8 7.2 69 48 40 6.5 17 14 12 17
7 39 12 12 14 38 28 33 7.5 17 10 19 22
8 46 14 13 14 42 19 82 31 13 8.5 35 69
9 55 21 39 8.9 43 14 65 20 16 16 27 33
10 42 26 96 35 55 12 64 16 11 20 23 23
11 31 26 88 25 47 12 45 15 10 15 26 27
12 22 39 76 20 34 11 96 9.7 11 20 43 25
13 13 25 50 15 50 12 94 8.6 103 24 32 38
14 11 19 58 12 61 16 81 34 269 13 18 33
15 27 18 56 7.6 65 19 91 40 146 19 15 26
16 24 27 29 9.8 60 16 66 29 55 83 10 19
17 20 33 15 33 58 20 45 30 22 58 11 16
18 32 42 11 287 53 28 45 18 30 41 35 18
19 35 26 9.6 216 60 26 26 36 32 50 16 27
20 22 25 28 112 49 31 39 29 20 38 9.3 30
21 24 37 41 73 39 20 43 24 36 12 14 16
22 28 28 62 47 46 16 28 17 39 8.9 32 22
23 47 22 32 27 39 11 22 10 32 6.7 18 10
24 120 14 22 19 53 47 35 13 20 11 18 20
25 119 26 18 33 59 44 26 12 17 62 22 19
26 87 29 18 26 116 30 33 32 15 81 31 11
27 55 20 14 31 244 23 37 348 10 197 22 41
28 32 14 18 96 298 53 36 415 7.1 78 19 34
29 77 5.2 54 125 195 44 25 214 19 52 15 28
30 76   26 74 107 31 17 129 14 50 9.7 41
31 66   18   85   12 67   101   44