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USGS Daily Statistics for Iowa

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NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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 06903700 South Fork Chariton River near Promise City, IA


Wayne County, Iowa
Hydrologic Unit Code 10280201
Latitude  40°48'01.6", Longitude  93°11'33.67" NAD83
Drainage area 168  square miles
Gage datum 913.32 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 1967-10-01 -> 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 33 76 117 126 180 194 41 31 151 45 57 93
2 25 77 154 152 229 286 42 19 91 52 93 79
3 33 57 208 149 233 255 46 26 29 116 86 38
4 29 57 237 121 150 303 580 107 13 50 37 44
5 34 49 222 139 183 231 478 40 47 47 25 92
6 39 40 90 107 154 208 229 54 62 40 59 72
7 43 43 111 63 522 110 84 33 24 47 31 35
8 30 37 185 187 344 324 166 101 26 133 22 89
9 21 44 173 180 226 238 124 30 42 317 27 39
10 17 41 297 306 189 155 89 33 110 215 48 34
11 17 46 266 289 298 88 167 45 20 121 115 45
12 16 46 201 255 225 129 213 27 38 122 85 46
13 16 64 218 183 359 156 112 57 147 69 59 79
14 15 62 158 230 305 299 96 86 173 104 44 193
15 15 52 164 227 178 304 113 67 673 44 25 81
16 49 60 166 274 211 157 256 110 277 29 24 44
17 62 89 134 222 264 152 107 103 184 56 79 35
18 33 152 168 659 143 94 70 31 140 110 57 34
19 31 155 250 416 106 108 190 17 120 64 47 31
20 35 186 189 241 92 137 261 28 119 33 77 39
21 46 210 111 199 124 135 170 32 79 22 49 43
22 34 137 123 136 153 93 110 30 198 72 24 44
23 55 113 166 220 221 108 81 85 101 145 27 43
24 78 163 221 210 254 119 160 324 129 141 28 85
25 43 253 200 357 309 299 303 95 89 52 38 109
26 57 153 119 171 336 265 175 125 72 42 38 56
27 71 149 151 315 370 280 79 304 47 39 78 113
28 39 91 135 182 275 155 218 198 48 42 82 105
29 43 45 109 200 449 76 331 48 168 71 68 68
30 36   139 233 215 54 155 76 133 137 92 56
31 34   265   278   55 68   92   39