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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 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 water year of record in, ft3/s   (Calculation Period 1948-10-01 -> 2024-09-30)

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 36 29 95 82 169 328 286 159 42 28 23
2 34 36 25 125 80 167 329 274 133 40 25 23
3 34 34 23 132 98 190 332 270 132 39 23 23
4 33 36 24 133 101 198 322 253 116 39 22 23
5 33 35 22 137 102 293 322 246 113 42 21 23
6 35 35 21 139 113 159 348 249 106 45 21 23
7 36 36 21 135 120 164 339 223 105 52 21 23
8 37 41 23 137 138 168 346 210 79 56 21 23
9 37 42 25 146 152 151 337 199 79 52 21 23
10 32 41 33 150 151 184 349 207 87 52 22 22
11 31 35 31 156 154 207 353 227 79 50 22 23
12 31 33 24 148 153 228 356 229 70 48 22 23
13 33 32 24 147 172 212 394 214 66 42 22 24
14 36 36 24 167 166 214 363 200 63 36 22 24
15 36 34 23 153 170 224 344 174 76 32 22 25
16 36 32 22 147 157 258 347 166 74 32 23 34
17 35 31 21 125 170 221 342 149 64 30 23 37
18 35 32 21 110 176 579 343 148 52 29 23 35
19 35 33 21 108 170 361 326 159 49 24 22 31
20 36 33 27 105 185 292 316 144 47 24 22 29
21 37 34 37 123 169 282 339 128 43 23 22 29
22 36 38 46 132 166 273 333 135 44 20 22 30
23 36 37 35 132 153 301 332 147 48 19 22 34
24 35 35 36 118 165 345 304 160 47 19 22 34
25 34 32 39 106 172 300 300 146 57 19 23 34
26 33 32 51 101 195 285 358 154 47 23 23 34
27 35 33 51 89 207 278 317 129 41 23 23 34
28 35 32 59 101 173 292 298 125 43 21 23 31
29 37 23 65 109 168 300 276 159 43 20 23 29
30 36   78 97 220 318 316 151 43 20 23 27
31 35   89   215   308 150   24   28