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USGS Daily Statistics for Alaska

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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 15564879 SLATE C AT COLDFOOT AK


Yukon-Koyukuk Census Area County, Alaska
Hydrologic Unit Code 19090101
Latitude  67°15'16", Longitude 150°10'38" NAD83
Drainage area 73.1  square miles
Gage datum 1,046.6 feet above NAVD88
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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 1994-10-01 -> 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 3.3 1.5 1.2 1 28 335 94 163 172 111 31 9.1
2 3.2 1.5 1.2 1 46 304 96 156 189 106 29 8.9
3 3.1 1.4 1.1 1.1 47 292 98 179 183 101 28 8.6
4 2.9 1.4 1.1 1.1 46 290 91 166 169 99 26 8.4
5 2.8 1.4 1.1 1.1 44 271 88 139 158 96 25 8.2
6 2.7 1.4 1.1 0.96 44 269 103 130 167 92 23 7.9
7 2.6 1.4 1.1 0.99 53 259 104 130 168 93 22 7.7
8 2.5 1.4 1.1 0.99 70 233 97 136 165 88 21 7.5
9 2.4 1.4 1.1 1 94 236 120 126 163 83 20 7.3
10 2.4 1.3 1.1 1.1 122 264 100 122 155 79 19 7.2
11 2.3 1.3 1.1 1.1 151 214 93 132 148 74 18 7
12 2.3 1.3 1.1 1.1 179 190 104 128 147 71 17 6.7
13 2.2 1.3 1.1 1.2 204 167 101 146 170 68 16 6.5
14 2.1 1.3 1.1 1.2 215 153 135 177 178 64 16 6.3
15 2.1 1.3 1.1 1.2 217 141 132 181 157 62 15 6.1
16 2 1.3 1.1 1.3 236 153 101 171 146 60 15 6
17 2 1.3 1.1 1.3 233 143 119 171 142 58 14 5.7
18 1.9 1.3 1.1 1.4 236 135 123 159 152 58 14 5.6
19 1.9 1.3 1.1 1.6 254 129 112 154 153 56 13 5.3
20 1.9 1.3 1.1 1.8 275 127 115 162 152 54 13 5.1
21 1.8 1.3 1.1 2 305 121 116 190 157 51 12 4.9
22 1.7 1.3 1.1 2.3 340 116 101 175 155 48 12 4.7
23 1.7 1.2 1.1 2.7 377 120 99 168 163 46 12 4.6
24 1.7 1.2 1.1 3.3 378 109 99 153 153 45 11 4.4
25 1.6 1.2 1.1 4 395 102 97 165 140 42 11 4.2
26 1.6 1.2 1.1 4.8 445 101 130 189 133 40 10 4.1
27 1.6 1.2 1 5.7 387 102 105 212 129 38 10 3.9
28 1.6 1.2 1 7.3 333 97 102 195 122 37 9.8 3.8
29 1.6 0.86 1 9.8 307 93 107 175 118 35 9.4 3.7
30 1.5   1.1 15 302 95 112 167 115 33 9.1 3.5
31 1.5   1.1   327   118 170   32   3.4