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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 11517000 SHASTA R NR MONTAGUE CA


Siskiyou County, California
Hydrologic Unit Code 18010207
Latitude  41°42'33", Longitude 122°32'13" NAD27
Drainage area 673  square miles
Gage datum 2,467.14 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 1911-10-01 -> 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
1 234 209 216 185 122 92 46 38 39 110 146 225
2 225 211 213 176 116 89 45 38 40 117 148 224
3 219 213 213 176 114 91 47 37 40 117 151 217
4 216 238 211 175 118 86 42 40 40 117 148 206
5 217 239 213 166 116 86 41 39 40 119 148 190
6 215 238 218 164 118 82 38 36 47 122 156 182
7 197 257 221 154 119 83 37 36 50 122 161 181
8 191 242 220 153 117 78 35 36 52 124 163 177
9 196 234 212 163 116 81 33 36 52 123 162 185
10 202 247 208 146 116 81 33 37 51 123 167 184
11 203 264 205 141 111 75 33 39 50 122 167 187
12 196 257 203 139 107 74 32 38 53 123 167 193
13 195 227 202 139 99 72 32 36 55 124 169 197
14 209 223 207 145 96 70 31 36 56 126 166 198
15 214 233 208 144 104 70 33 36 60 128 166 200
16 205 222 218 136 106 66 32 36 63 129 166 196
17 201 226 214 135 104 59 32 36 65 130 165 198
18 234 231 206 129 110 58 33 36 68 130 165 192
19 228 230 212 126 110 58 33 35 68 131 172 187
20 219 234 206 122 107 54 33 36 70 132 183 188
21 213 296 202 119 107 55 35 35 73 132 185 188
22 203 265 204 119 108 54 35 35 76 133 181 189
23 197 262 200 121 105 55 34 36 79 134 171 193
24 196 230 197 118 102 57 42 37 81 135 171 187
25 196 226 200 117 94 53 39 39 83 139 182 186
26 194 228 205 115 89 48 41 39 87 140 188 184
27 215 225 212 114 90 55 40 39 87 141 209 186
28 206 222 207 117 99 50 38 40 88 141 183 202
29 204 183 201 116 96 46 36 41 90 139 181 217
30 214   194 120 96 48 36 40 93 142 234 226
31 215   189   90   38 40   146   250