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USGS 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 -> 2021-09-30)

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 34 37 30 98 82 173 335 281 163 43 28 24
2 35 37 25 131 81 170 336 268 137 41 26 24
3 35 35 24 137 99 196 340 267 136 40 23 24
4 33 37 24 139 103 204 329 247 119 40 22 24
5 33 36 23 142 103 303 329 239 115 43 21 23
6 36 35 21 145 116 163 355 243 109 46 21 23
7 36 37 21 140 124 169 340 215 108 54 21 24
8 38 42 23 143 142 168 354 203 81 57 21 23
9 37 43 26 152 157 154 344 194 80 53 22 23
10 32 43 34 157 156 190 357 204 89 54 22 23
11 31 36 32 162 158 214 362 226 80 52 22 23
12 32 34 25 154 157 236 366 227 71 49 23 23
13 33 33 24 153 177 220 405 212 67 44 22 24
14 37 37 24 174 172 221 372 198 64 37 22 25
15 37 35 23 159 175 233 352 170 78 33 22 26
16 37 33 22 153 161 266 355 161 76 33 23 34
17 35 32 21 130 173 226 349 143 66 31 23 37
18 36 33 21 114 180 600 344 144 53 29 23 36
19 36 34 21 112 173 371 325 155 50 25 22 31
20 36 34 28 110 189 299 312 140 49 24 22 29
21 37 35 38 128 173 289 327 123 45 23 22 30
22 37 39 47 137 170 278 327 130 45 21 22 31
23 37 38 37 137 158 307 334 141 49 19 23 35
24 35 36 37 122 170 353 302 157 49 19 23 35
25 34 33 41 109 177 306 298 149 59 19 23 35
26 34 33 53 104 201 290 359 158 49 23 23 35
27 35 34 53 91 214 283 315 132 42 24 23 35
28 36 33 61 103 179 296 294 128 44 21 23 31
29 38 23 67 111 173 306 271 163 44 20 23 30
30 37   82 98 221 325 312 154 44 20 23 28
31 36   93   220   304 153   24   29