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USGS Daily Statistics for Washington

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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 12121600 ISSAQUAH CREEK NEAR MOUTH NEAR ISSAQUAH, WA


King County, Washington
Hydrologic Unit Code 17110012
Latitude  47°33'09", Longitude 122°02'48" NAD27
Drainage area 56.6  square miles
Contributing drainage area 56.60  square miles
Gage datum 35.99 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 1963-10-01 -> 2021-09-30)

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
1 229 271 199 170 124 89 54 31 32 41 98 230
2 224 235 197 179 119 94 55 31 35 41 99 240
3 213 212 206 174 118 89 57 31 32 39 100 279
4 218 209 206 170 114 86 55 30 30 38 128 274
5 265 217 217 191 117 82 52 29 30 37 114 227
6 273 243 212 188 114 81 50 29 33 43 128 222
7 307 231 199 177 107 89 49 30 31 42 157 207
8 298 239 184 174 101 87 48 30 31 42 134 208
9 304 242 196 172 99 86 49 28 31 45 122 216
10 279 220 218 164 98 88 49 29 31 48 132 216
11 265 208 216 170 95 87 50 29 32 48 139 222
12 267 213 217 168 92 86 48 28 30 44 153 240
13 265 213 217 168 95 82 52 29 29 45 165 260
14 286 215 213 177 94 76 47 29 29 47 189 263
15 286 213 218 170 98 73 45 29 29 48 167 264
16 283 230 222 165 99 77 44 30 29 49 156 254
17 275 235 214 159 97 76 42 29 36 51 155 241
18 286 234 209 149 91 81 41 29 39 54 153 229
19 289 267 211 153 90 72 39 28 39 59 160 218
20 285 260 205 162 90 68 39 30 38 72 167 243
21 285 229 185 150 89 69 38 29 39 80 168 245
22 250 217 180 140 91 65 36 30 39 81 171 230
23 251 203 183 144 88 67 36 31 46 69 189 220
24 271 204 183 147 84 76 35 34 41 64 246 223
25 299 195 182 139 84 71 34 32 39 69 238 222
26 265 185 183 130 83 64 34 33 36 80 229 238
27 257 199 177 128 86 61 34 31 34 82 212 244
28 262 217 171 129 95 61 33 30 38 82 210 235
29 279 254 177 126 98 61 32 31 40 87 222 238
30 291   184 130 92 56 32 34 44 91 230 251
31 266   177   89   31 31   96   218