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USGS Surface-Water 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 07300500 Salt Fork Red River at Mangum, OK


Greer County, Oklahoma
Hydrologic Unit Code 11120202
Latitude  34°51'30", Longitude  99°30'30" NAD27
Drainage area 1,454  square miles
Contributing drainage area 1,319  square miles
Gage datum 1,491.44 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 1937-10-01 -> 2023-09-30)

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 38 46 44 53 111 363 88 71 36 16 35 27
2 37 47 48 53 168 274 92 71 14 29 69 26
3 37 48 46 76 150 235 44 86 26 179 30 26
4 37 50 58 191 123 330 63 35 35 110 33 29
5 38 68 51 71 119 256 45 33 33 45 33 38
6 40 84 47 52 89 275 42 19 30 47 26 33
7 39 50 44 44 147 188 201 20 17 78 24 31
8 50 45 44 43 165 182 83 16 19 98 24 30
9 58 42 45 45 208 351 58 11 15 67 24 31
10 43 44 50 44 118 350 62 10 14 35 23 32
11 41 46 51 63 190 198 77 16 45 41 21 37
12 37 42 44 53 298 184 62 9 35 105 20 40
13 38 45 42 77 184 215 63 9.7 92 43 20 40
14 41 42 45 84 151 210 37 40 47 41 25 34
15 41 43 59 85 144 158 91 29 42 81 25 36
16 46 45 63 60 364 355 36 20 81 67 34 45
17 45 47 57 56 283 85 55 40 67 72 36 42
18 40 47 67 56 247 107 41 36 54 218 30 38
19 40 48 55 91 273 109 151 25 98 96 28 35
20 41 55 55 161 247 107 113 17 111 76 33 36
21 41 50 55 72 284 213 30 28 75 35 28 36
22 51 52 56 53 129 194 39 25 39 76 27 36
23 51 53 60 84 139 127 27 20 36 72 27 35
24 40 51 60 150 259 189 27 41 42 55 26 34
25 43 51 49 118 192 159 38 43 38 35 32 32
26 47 52 54 122 237 80 29 47 34 29 26 33
27 47 63 47 147 632 61 19 53 29 26 27 33
28 44 48 50 138 456 63 11 87 19 25 27 32
29 38 53 52 199 187 119 15 38 23 26 26 32
30 40   57 148 315 63 14 15 18 25 26 33
31 42   52   162   27 20   28   40