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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 11261500 SAN JOAQUIN R A FREMONT FORD BRIDGE CA


Merced County, California
Hydrologic Unit Code 18040001
Latitude  37°18'36", Longitude 120°55'48" NAD27
Drainage area 7,615  square miles
Gage datum -.49 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 1985-10-01 -> 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
1 485 779 1,390 2,250 1,510 1,300 800 198 173 144 177 209
2 580 725 1,400 2,160 1,490 1,320 696 200 170 142 181 215
3 663 651 1,410 2,120 1,460 1,340 593 201 168 141 182 221
4 813 602 1,420 2,100 1,430 1,330 542 198 171 142 180 229
5 912 622 1,410 2,140 1,390 1,330 525 193 169 142 178 233
6 877 659 1,410 2,260 1,340 1,330 508 188 163 140 176 234
7 844 660 1,400 2,490 1,300 1,330 477 187 162 142 174 230
8 820 663 1,360 2,530 1,290 1,320 440 187 160 144 173 222
9 818 732 1,380 2,520 1,270 1,300 421 190 155 144 176 215
10 887 901 1,440 2,460 1,230 1,260 436 192 149 144 182 209
11 997 1,030 1,490 2,440 1,190 1,230 468 193 149 145 184 210
12 1,200 1,130 1,700 2,360 1,140 1,190 498 190 151 143 186 211
13 1,360 1,120 1,870 2,270 1,080 1,160 524 185 155 142 188 218
14 1,420 1,120 1,950 2,190 1,010 1,100 517 183 154 142 191 218
15 1,350 1,140 1,970 2,120 957 1,030 440 181 151 145 193 212
16 1,290 1,150 2,050 2,080 943 988 354 185 152 151 193 210
17 1,240 1,170 2,130 2,020 958 941 318 187 153 152 192 209
18 1,210 1,270 2,110 1,960 985 880 301 186 157 152 195 216
19 1,160 1,350 2,020 1,910 1,010 830 286 185 159 153 201 229
20 1,120 1,670 1,930 1,860 1,020 804 271 186 156 154 200 238
21 1,080 1,950 1,910 1,820 1,030 816 258 188 154 156 197 261
22 1,070 1,920 1,960 1,770 1,040 855 244 192 151 161 194 276
23 1,050 1,790 2,000 1,750 1,070 878 241 194 150 165 191 271
24 1,040 1,660 2,140 1,730 1,090 904 241 194 146 165 190 266
25 1,070 1,560 2,260 1,720 1,110 929 234 193 144 165 192 273
26 1,040 1,490 2,300 1,690 1,110 951 221 189 145 166 194 296
27 959 1,440 2,350 1,670 1,110 977 206 184 147 168 199 301
28 874 1,420 2,380 1,630 1,150 994 198 180 145 168 206 319
29 829 710 2,370 1,590 1,190 959 196 181 145 169 207 332
30 822   2,330 1,550 1,230 884 195 178 144 172 205 357
31 814   2,310   1,270   197 176   173   425