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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 30 51 12 14 54 73 27 10 42 21 78 8.9
2 31 29 11 9.3 111 107 42 7.2 33 26 48 20
3 54 29 8.7 12 145 80 42 6.8 40 26 26 24
4 53 33 15 9 96 61 38 9.9 31 18 19 21
5 59 21 11 8.9 85 55 43 9.4 24 26 21 23
6 28 13 10 7.9 61 46 40 6.5 17 13 13 17
7 37 12 12 13 34 27 33 7.5 17 9.8 20 21
8 44 13 13 14 39 18 82 31 13 8.2 34 66
9 55 20 38 8.6 42 25 65 20 16 15 26 32
10 60 25 91 33 53 16 64 16 11 19 26 22
11 37 28 84 24 45 19 45 15 10 15 26 26
12 24 39 72 19 32 17 96 9.7 11 19 41 23
13 15 25 47 14 48 19 94 8.6 103 23 31 36
14 12 18 56 11 58 34 81 34 269 12 18 31
15 27 18 53 7.4 62 33 91 40 146 19 14 25
16 24 26 28 9.5 56 37 66 29 55 79 10 18
17 20 31 15 31 54 30 45 30 22 55 11 16
18 31 42 10 272 50 31 45 18 30 39 34 18
19 34 31 9.2 205 57 29 26 36 32 47 15 26
20 22 26 27 106 47 35 39 29 20 36 9.2 29
21 24 36 39 74 37 22 43 24 36 11 14 16
22 28 28 59 46 44 20 28 17 39 8.6 31 21
23 45 23 30 37 40 16 22 10 32 6.6 17 10
24 114 15 28 27 58 48 35 13 20 11 17 20
25 113 25 20 40 58 44 26 12 17 59 21 34
26 84 28 18 28 112 32 33 32 15 77 30 25
27 54 20 16 31 244 26 37 348 10 187 21 53
28 31 14 18 92 290 55 36 415 7.1 75 18 45
29 74 5.2 52 120 189 44 25 214 19 50 15 38
30 73   25 71 104 32 17 129 14 48 9.3 44
31 63   18   82   12 67   96   44