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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 1,490.87 feet above NGVD29
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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 39 46 44 54 113 363 88 71 36 16 35 27
2 38 47 49 54 170 274 92 71 14 29 70 27
3 38 49 47 77 152 235 44 86 26 182 31 27
4 37 50 59 193 124 330 63 35 35 111 33 29
5 39 68 51 72 120 256 45 33 33 45 33 38
6 41 85 47 53 90 275 42 19 30 47 26 34
7 40 51 45 44 149 188 201 20 17 79 25 31
8 50 46 45 43 167 182 83 16 19 99 24 30
9 59 43 46 46 210 351 58 11 15 67 24 32
10 43 44 50 44 119 350 62 10 14 35 23 32
11 41 46 51 64 192 198 77 16 45 42 21 37
12 38 42 44 53 301 184 62 9 35 106 21 40
13 39 46 42 78 186 215 63 9.7 92 43 20 40
14 42 43 46 85 153 210 37 40 47 41 25 35
15 42 44 60 86 146 158 91 29 42 82 25 36
16 46 45 64 60 368 355 36 20 81 68 34 46
17 45 48 58 57 286 85 55 40 67 73 37 42
18 40 48 68 57 250 107 41 36 54 220 30 38
19 41 48 56 92 276 109 151 25 98 97 28 35
20 42 55 56 163 249 107 113 17 111 77 33 37
21 42 51 56 73 287 213 30 28 75 35 28 36
22 51 52 57 53 130 194 39 25 39 77 27 36
23 51 54 61 85 141 127 27 20 36 73 27 35
24 41 52 61 152 262 189 27 41 42 56 27 34
25 43 52 49 119 192 159 38 43 38 35 32 33
26 47 53 54 123 237 80 29 47 34 29 27 33
27 47 63 48 149 632 61 19 53 29 26 27 33
28 45 49 50 140 456 63 11 87 19 25 27 33
29 38 53 53 202 187 119 15 38 23 26 27 32
30 40   57 149 315 63 14 15 18 25 26 33
31 42   53   162   27 20   29   41