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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 14219800 SPEELYAI CREEK NEAR COUGAR, WA


Cowlitz County, Washington
Hydrologic Unit Code 17080002
Latitude  46°00'17", Longitude 122°20'35" NAD27
Drainage area 12.6  square miles
Gage datum 492.05 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 1959-10-01 -> 2022-09-30)

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
1 150 195 153 136 98 59 24 7.9 9 28 115 237
2 150 171 146 133 100 68 23 8.1 10 24 111 258
3 165 167 148 127 104 57 23 8.7 8.7 25 111 256
4 176 150 150 126 100 55 21 8.3 8.7 26 115 241
5 200 137 161 139 99 55 19 7.7 7.9 24 110 194
6 209 151 150 147 97 54 17 7.1 8.2 23 141 190
7 286 173 144 144 97 62 16 7.1 7.6 25 146 187
8 221 167 135 149 92 53 17 7 7.1 31 133 169
9 209 163 165 152 86 51 16 6.3 8.1 44 129 172
10 196 170 183 143 81 53 16 5.9 8 43 127 168
11 183 144 177 144 78 50 15 5.7 8.4 50 153 187
12 202 160 182 143 74 54 14 5.8 7 46 182 209
13 233 166 168 148 75 46 16 5.6 7.2 47 159 222
14 255 169 187 150 78 42 16 5.4 7.8 49 177 198
15 248 175 202 136 76 43 17 5.2 11 51 166 200
16 239 205 172 127 78 45 13 5.4 13 43 174 215
17 218 200 151 120 76 39 15 5.3 17 43 184 199
18 222 203 151 113 75 37 15 5.2 22 44 173 185
19 225 229 149 113 72 36 13 5.3 20 51 199 175
20 218 218 144 120 72 34 11 5.5 21 52 225 205
21 192 201 137 109 67 31 11 5.5 19 62 207 207
22 155 188 145 105 64 30 11 5.7 16 93 225 189
23 182 187 146 120 62 29 10 9.3 20 80 232 184
24 196 161 149 128 64 28 9.6 10 20 67 277 175
25 223 134 148 118 61 30 9.1 13 18 67 274 165
26 191 123 137 111 58 28 8.6 11 17 77 214 179
27 187 146 139 113 60 28 8.2 10 16 92 187 187
28 197 164 146 107 62 26 7.9 11 26 101 202 188
29 209 167 168 100 62 27 7.6 11 32 103 192 189
30 205   176 101 58 24 7.4 12 33 103 203 181
31 209   153   57   7.3 9.5   121   149