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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 11467553 NF GUALALA R AB SF GUALALA R NR GUALALA CA


Mendocino County, California
Hydrologic Unit Code 18010109
Latitude  38°47'24", Longitude 123°30'30" NAD27
Drainage area 47.1  square miles
Gage datum 26.59 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 2000-10-01 -> 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
1 384 161 173 210 80 30 14 7.2 4.6 4.1 26 81
2 250 157 178 174 66 29 14 7.1 4.6 4.5 23 57
3 200 142 214 201 59 28 13 7 4.6 4.7 17 41
4 209 112 231 200 56 28 13 6.9 4.5 4.9 18 49
5 157 101 318 167 51 28 12 6.8 4.6 6.6 15 41
6 133 95 294 144 48 27 12 6.8 4.6 5.1 14 59
7 123 119 212 156 45 25 12 6.7 4.6 4.6 33 89
8 138 109 173 156 46 28 12 6.5 4.5 4.2 29 252
9 130 130 136 147 48 30 11 6.4 4.6 4.1 19 78
10 130 122 131 137 45 25 11 6.3 4.4 4.8 30 78
11 151 133 118 162 41 23 11 6.2 4.4 5.5 23 61
12 147 123 107 288 39 22 11 6.1 4.4 4.9 19 74
13 243 101 129 224 37 21 10 6 4.3 7.6 16 140
14 222 109 193 177 36 20 10 5.9 4.4 7.5 15 296
15 172 117 305 158 35 20 10 5.7 4.3 6.1 15 127
16 150 114 185 156 34 20 9.9 5.6 4.4 6 16 607
17 143 89 178 136 34 21 9.7 5.6 4.3 5.6 15 87
18 159 87 155 122 205 21 9.5 5.6 5.1 5.5 17 102
19 143 123 169 109 126 20 9.6 5.9 5.5 7.5 16 150
20 133 233 152 102 66 19 9.4 5.9 4.8 6.4 36 185
21 124 200 143 99 51 18 9.3 5.9 4.6 5.6 34 212
22 149 157 191 88 44 17 9 5.8 4.3 5.8 35 254
23 161 140 210 81 39 17 8.7 5.6 4.2 10 43 156
24 144 125 189 103 52 16 8.5 5.6 4.4 6.4 46 117
25 146 148 171 91 47 17 8.3 5.5 4.6 7.8 30 95
26 177 127 157 82 43 16 8.2 5.4 4.6 16 34 162
27 171 178 155 92 42 18 8.2 5.2 4.4 22 45 431
28 168 223 175 111 40 17 8 5.2 4.3 28 54 897
29 168 120 162 130 36 16 7.9 5.1 4.4 17 55 361
30 162   151 107 34 15 7.6 5 4.3 25 44 374
31 144   171   32   7.4 4.7   26   935