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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 water year of record in, ft3/s   (Calculation Period 1948-10-01 -> 2020-09-30)

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 82 173 335 285 164 44 28 24
2 35 37 25 131 81 170 336 272 138 41 25 24
3 35 35 24 137 99 196 340 270 137 41 23 24
4 33 37 24 139 103 204 329 250 120 40 22 24
5 33 36 23 142 103 303 329 242 116 44 21 23
6 36 35 21 145 116 163 355 246 109 46 21 23
7 36 37 21 140 124 169 340 218 108 54 21 24
8 38 42 23 143 142 168 354 206 81 58 21 23
9 37 43 26 152 157 154 341 197 81 54 22 23
10 32 43 34 157 156 190 354 207 89 55 22 23
11 31 36 32 162 158 214 360 229 80 52 22 23
12 32 34 25 154 157 236 364 230 71 50 23 23
13 33 33 24 153 177 220 404 214 67 44 22 24
14 37 37 24 174 172 221 370 200 64 37 22 25
15 37 35 23 159 175 233 350 172 78 33 22 26
16 37 33 22 153 161 266 353 164 76 33 23 34
17 35 32 21 130 173 226 347 145 66 32 23 37
18 36 33 21 114 180 600 341 146 53 30 23 36
19 36 34 21 112 173 371 322 158 50 25 22 31
20 36 34 28 110 189 299 310 142 49 24 22 29
21 37 35 38 128 173 289 324 124 44 23 22 30
22 37 39 47 137 170 278 329 131 45 21 22 31
23 37 38 37 137 158 307 337 143 49 19 23 35
24 35 36 37 122 170 353 305 159 48 19 23 35
25 34 33 41 109 177 306 301 151 59 19 23 35
26 34 33 53 104 201 290 363 160 48 23 23 35
27 35 34 53 91 214 283 320 133 42 24 23 35
28 36 33 61 103 179 296 298 129 44 22 23 31
29 38 23 67 111 173 306 274 164 44 20 23 30
30 37   82 98 221 325 316 156 44 20 23 28
31 36   93   220   308 154   24   29