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USGS 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 07133000 ARKANSAS RIVER AT LAMAR, CO


Prowers County, Colorado
Hydrologic Unit Code 11020009
Latitude  38°06'20.85", Longitude 102°37'05.54" NAD83
Drainage area 19,743  square miles
Contributing drainage area 18,793  square miles
Gage datum 3,597.39 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 65 - 66 years of record in, ft3/s   (Calculation Period 1948-10-01 -> 2018-09-30)

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 37 29 102 85 180 324 286 163 45 25 22
2 34 37 24 136 83 177 326 272 136 42 24 22
3 34 35 23 143 103 204 330 269 135 41 22 23
4 33 37 24 144 106 213 317 248 118 41 21 22
5 33 36 22 148 107 317 318 240 115 45 20 22
6 35 35 20 150 120 170 344 244 108 47 20 22
7 36 36 21 146 128 176 329 215 107 55 20 23
8 38 42 23 148 147 174 344 202 79 59 20 22
9 37 43 25 157 162 153 333 193 78 55 20 22
10 32 43 34 162 162 189 347 205 89 55 21 22
11 31 36 32 168 165 214 351 227 81 53 21 22
12 31 34 25 160 164 233 355 229 72 51 21 22
13 33 33 24 158 184 217 396 213 68 45 21 23
14 37 37 24 180 179 218 361 198 65 38 20 24
15 37 35 23 165 183 227 340 170 80 34 21 25
16 36 32 22 158 168 261 343 162 78 34 22 34
17 35 31 21 135 180 219 337 143 67 32 22 37
18 35 32 21 118 187 609 331 144 54 30 22 36
19 36 33 21 116 180 369 312 154 51 25 21 31
20 36 34 28 113 197 291 298 138 50 25 21 29
21 37 35 39 131 180 279 313 120 45 23 21 29
22 37 39 48 142 177 265 318 128 46 21 21 30
23 37 38 37 142 164 295 326 141 50 19 21 35
24 35 36 38 127 177 341 289 157 49 19 21 35
25 35 33 42 113 185 293 289 149 60 19 22 34
26 34 33 54 107 210 278 349 159 49 23 22 34
27 36 34 54 95 223 271 311 132 42 24 22 34
28 36 33 63 107 186 285 294 127 44 21 22 31
29 38 22 70 116 180 294 273 163 45 20 22 29
30 37   84 102 230 313 316 154 45 19 22 27
31 36   96   229   309 153   21   28