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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 08166000 Johnson Ck nr Ingram, TX


Kerr County, Texas
Hydrologic Unit Code 12100201
Latitude  30°06'00", Longitude  99°16'58" NAD27
Drainage area 114  square miles
Contributing drainage area 114  square miles
Gage datum 1,721.50 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 1941-10-01 -> 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 20 19 19 19 26 29 18 19 17 18 21 19
2 19 19 19 20 25 26 19 68 18 17 21 19
3 19 21 19 19 37 31 21 252 21 17 43 19
4 19 26 21 19 23 30 22 19 18 131 27 19
5 18 21 20 19 21 38 58 20 19 33 27 19
6 18 20 21 34 22 25 21 23 19 20 27 19
7 18 20 21 22 26 24 20 18 22 19 22 19
8 18 19 20 21 24 23 19 17 24 19 24 19
9 20 19 20 22 23 57 18 16 20 19 23 19
10 19 19 20 23 27 25 18 16 23 19 22 19
11 18 19 22 21 40 24 20 18 19 26 21 19
12 18 19 20 20 25 28 18 18 18 27 21 19
13 18 19 21 21 22 27 16 35 20 42 21 19
14 18 20 20 21 22 24 17 43 19 23 21 19
15 18 19 20 80 25 22 16 20 18 38 57 19
16 19 19 20 43 30 37 17 20 22 183 26 19
17 19 19 20 25 25 43 53 28 23 45 24 18
18 31 19 22 36 26 23 18 17 22 26 24 18
19 31 19 21 23 29 21 18 17 20 154 25 19
20 41 19 23 22 34 21 21 16 20 28 24 28
21 22 20 22 23 27 21 18 15 21 24 23 29
22 19 25 22 22 22 29 17 16 20 24 22 21
23 19 32 20 24 24 29 27 18 19 50 22 20
24 19 24 19 29 29 39 18 17 37 26 22 20
25 19 29 19 28 88 23 17 17 19 23 21 19
26 19 21 21 23 29 23 16 17 22 22 21 19
27 19 20 20 23 25 21 17 16 27 23 22 20
28 20 19 20 22 28 20 17 56 20 23 20 19
29 20 19 20 22 37 21 16 19 20 27 20 20
30 19   19 21 30 20 16 39 19 23 19 19
31 19   19   28   20 18   31   82