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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 -> 2019-09-30)

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 30 100 83 175 333 285 164 44 27 23
2 35 37 25 132 81 172 334 272 138 41 25 23
3 35 35 24 139 100 198 338 270 137 41 23 23
4 33 37 24 141 104 207 326 250 120 41 21 23
5 33 36 23 144 104 308 326 242 116 44 21 23
6 36 35 21 147 117 165 352 246 109 47 20 23
7 36 37 21 142 125 171 337 218 108 55 20 23
8 38 42 23 144 144 170 352 206 81 59 21 23
9 37 43 26 153 159 149 341 197 81 54 21 23
10 32 43 34 158 158 184 354 207 89 55 22 22
11 31 36 32 164 160 208 360 229 80 53 22 23
12 32 34 25 156 159 231 364 230 71 50 22 23
13 33 33 24 154 179 216 404 214 67 45 22 24
14 37 37 24 176 174 218 370 200 64 38 21 25
15 37 35 23 160 178 230 350 172 78 33 22 25
16 37 33 22 154 163 264 353 164 76 34 23 34
17 35 32 21 131 176 223 347 145 66 32 23 37
18 36 33 21 115 182 602 341 146 53 30 22 36
19 36 34 21 113 176 370 322 158 50 25 22 31
20 36 34 28 110 192 296 310 142 49 25 22 29
21 37 35 38 128 176 286 324 124 44 23 22 30
22 37 39 47 139 172 276 329 131 45 21 22 31
23 37 38 37 138 160 305 337 143 49 19 22 35
24 35 36 37 124 172 350 305 159 48 19 22 35
25 34 33 41 111 180 304 301 151 59 19 23 35
26 34 33 53 105 204 287 363 160 48 23 23 35
27 36 34 53 92 216 280 320 133 42 24 23 35
28 36 33 61 104 181 294 298 129 44 22 23 31
29 38 22 68 113 175 304 274 164 44 20 23 30
30 37   82 99 224 323 316 156 44 20 23 27
31 36   94   223   308 154   24   28