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USGS Surface-Water Daily Statistics for Colorado

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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 07134180 ARKANSAS RIVER NEAR GRANADA, CO.


Prowers County, Colorado
Hydrologic Unit Code 11020009
Latitude  38°05'44", Longitude 102°18'37" NAD27
Drainage area 23,500  square miles
Contributing drainage area 21,852  square miles
Gage datum 3,480.00 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 1980-10-01 -> 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
1 101 104 87 163 83 227 425 373 123 62 71 88
2 103 104 86 158 79 220 437 332 114 58 73 89
3 104 102 84 151 86 226 442 284 121 55 71 90
4 105 101 83 147 122 256 432 265 109 56 69 92
5 105 103 83 145 158 268 429 236 96 57 69 93
6 109 102 81 142 128 232 431 238 89 60 66 92
7 111 102 79 134 132 225 442 249 83 64 65 91
8 111 107 80 124 157 237 450 212 81 70 63 91
9 111 110 80 117 178 211 453 218 79 74 65 90
10 106 108 82 108 192 220 447 228 79 72 67 90
11 102 101 86 106 196 248 449 231 85 72 67 90
12 102 96 81 105 195 266 442 242 84 73 69 89
13 101 95 77 106 207 282 444 265 75 70 69 90
14 106 97 75 132 205 264 461 231 79 63 70 93
15 108 98 75 149 201 274 457 224 87 60 73 93
16 109 96 74 134 192 295 447 195 89 59 77 98
17 106 95 75 127 190 299 439 180 80 58 78 108
18 104 94 73 113 198 272 444 159 74 57 77 109
19 105 96 72 101 204 302 428 141 67 57 78 104
20 104 97 75 100 216 338 408 147 69 56 77 99
21 105 97 85 104 219 351 398 134 63 58 78 98
22 104 96 94 125 219 348 405 127 62 56 79 97
23 104 99 93 136 209 364 392 135 60 57 79 101
24 103 100 87 136 204 369 398 129 61 54 81 103
25 103 97 87 108 213 376 393 126 61 55 84 102
26 102 94 100 88 236 380 388 126 59 54 83 103
27 103 94 104 72 265 364 397 142 56 61 85 104
28 103 92 110 67 253 369 357 130 56 64 86 102
29 104 101 119 85 220 389 334 156 57 64 86 99
30 104   128 89 185 406 343 135 58 63 87 98
31 103   149   216   372 124   65   97