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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 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 -> 2022-09-30)

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 30 96 82 172 335 283 161 43 28 23
2 34 37 25 127 80 168 336 269 135 40 25 23
3 34 34 24 134 99 193 340 265 135 40 23 23
4 33 36 24 135 103 201 329 248 118 40 22 23
5 33 36 22 138 104 299 330 241 115 43 21 23
6 35 35 21 141 115 161 354 245 108 45 21 23
7 36 36 21 137 123 166 339 218 107 53 21 24
8 38 41 23 139 141 166 352 203 81 57 21 23
9 37 42 25 148 155 152 341 193 80 53 21 23
10 32 42 33 152 154 188 356 203 88 53 22 23
11 31 35 32 158 157 211 361 224 80 51 22 23
12 32 34 25 150 156 232 365 225 70 49 23 23
13 33 32 24 149 175 217 404 210 67 43 22 24
14 37 36 24 170 170 218 371 196 64 37 22 25
15 37 35 23 155 174 229 352 169 77 33 22 25
16 36 32 22 149 160 263 355 160 75 33 23 34
17 35 31 21 127 172 224 349 143 65 31 23 37
18 35 32 21 111 178 592 344 142 53 29 23 35
19 36 33 21 109 171 369 325 154 50 25 22 31
20 36 33 27 107 187 298 312 139 48 24 22 29
21 37 35 37 124 171 289 326 122 44 23 22 29
22 36 38 46 134 168 278 326 128 44 21 22 31
23 36 38 36 134 156 307 334 140 49 19 22 35
24 35 35 36 120 167 352 302 155 48 19 23 35
25 34 32 40 107 175 307 298 147 58 19 23 34
26 33 32 51 102 199 291 359 156 48 23 23 34
27 35 33 51 90 211 284 316 130 42 24 23 34
28 36 32 59 102 177 297 295 126 43 21 23 31
29 37 23 66 111 171 307 271 161 43 20 23 29
30 37   79 97 225 326 312 153 43 20 23 27
31 36   91   219   305 152   24   28