Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 12502500 AHTANUM CREEK AT UNION GAP, WA


Yakima County, Washington
Hydrologic Unit Code 17030003
Latitude  46°32'10", Longitude 120°28'20" NAD27
Drainage area 173  square miles
Gage datum 940.00 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1960-10-01 -> 2025-09-30)

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 49 98 118 136 146 180 60 16 18 23 27 40
2 53 102 117 135 145 180 57 16 18 23 27 45
3 53 92 117 133 148 180 53 16 18 22 27 54
4 51 89 115 130 150 178 50 16 18 22 27 50
5 50 102 113 129 156 179 47 16 19 22 28 48
6 52 95 120 130 160 177 44 16 19 22 28 44
7 53 99 122 133 163 172 42 16 19 22 31 42
8 66 116 120 137 165 166 40 16 19 22 30 40
9 60 123 119 139 168 160 39 16 19 23 29 43
10 59 107 131 139 169 155 37 16 20 23 28 47
11 59 105 135 139 167 150 35 16 20 24 28 44
12 55 101 134 137 166 143 35 16 20 24 31 42
13 54 101 140 138 169 138 33 15 19 24 32 48
14 59 98 144 138 173 136 31 15 19 25 31 52
15 71 99 144 133 179 133 29 16 20 24 31 53
16 103 108 143 130 188 131 28 16 21 24 33 50
17 96 115 140 128 188 127 27 16 21 22 31 48
18 88 114 138 126 188 123 26 16 21 22 32 45
19 82 117 139 125 188 117 25 16 22 22 31 44
20 77 125 140 132 188 111 24 16 23 22 32 44
21 74 129 140 139 187 108 24 17 23 22 36 47
22 70 125 137 142 186 103 22 17 22 24 36 48
23 69 119 137 143 181 98 21 18 22 23 38 47
24 76 118 137 146 180 93 20 18 23 23 40 46
25 76 123 134 147 179 87 19 18 23 23 39 46
26 73 119 133 143 178 81 19 18 22 23 40 49
27 73 115 130 141 177 76 18 18 22 24 39 54
28 72 120 128 143 175 70 18 18 23 24 38 56
29 75 163 126 144 175 67 17 18 22 25 39 53
30 78   130 146 179 65 17 18 23 25 39 51
31 88   134   181   16 18   27   47