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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
1 480 759 1,360 2,250 1,510 1,300 800 198 172 146 177 212
2 572 707 1,360 2,160 1,490 1,320 696 200 169 145 182 217
3 651 636 1,380 2,120 1,460 1,340 593 201 166 142 183 223
4 795 589 1,380 2,100 1,430 1,330 542 198 168 143 181 231
5 891 608 1,380 2,140 1,390 1,330 525 193 167 143 179 234
6 857 645 1,380 2,260 1,340 1,330 508 188 162 140 177 235
7 826 646 1,370 2,490 1,300 1,330 477 187 161 142 175 231
8 802 649 1,340 2,530 1,290 1,320 440 187 159 143 174 224
9 800 715 1,360 2,520 1,270 1,300 421 190 154 143 176 217
10 867 876 1,410 2,460 1,230 1,260 436 192 148 144 183 211
11 972 1,000 1,470 2,440 1,190 1,230 468 193 148 145 184 212
12 1,170 1,100 1,670 2,360 1,140 1,190 498 190 150 143 186 213
13 1,320 1,090 1,830 2,270 1,080 1,160 524 185 154 142 189 219
14 1,380 1,090 1,910 2,190 1,010 1,100 517 183 153 142 192 219
15 1,310 1,120 1,940 2,120 957 1,030 440 181 150 145 194 214
16 1,260 1,140 2,030 2,080 943 988 354 185 151 151 194 211
17 1,210 1,170 2,120 2,020 958 941 318 187 152 151 193 211
18 1,170 1,260 2,090 1,960 985 880 301 186 156 152 196 217
19 1,130 1,320 2,010 1,910 1,010 830 286 185 158 152 201 230
20 1,090 1,630 1,940 1,860 1,020 804 271 186 155 154 201 239
21 1,050 1,900 1,920 1,820 1,030 816 258 188 153 156 198 261
22 1,040 1,860 1,950 1,770 1,040 855 244 192 150 161 195 276
23 1,020 1,740 1,990 1,750 1,070 878 241 193 149 165 192 271
24 1,010 1,610 2,120 1,730 1,090 904 241 193 147 165 191 266
25 1,040 1,520 2,230 1,720 1,110 929 234 192 145 165 193 274
26 1,010 1,450 2,300 1,690 1,110 951 221 187 146 166 196 297
27 930 1,400 2,350 1,670 1,110 977 206 182 149 168 200 301
28 850 1,380 2,380 1,630 1,150 994 198 179 147 168 207 318
29 808 710 2,370 1,590 1,190 959 196 180 147 169 209 332
30 801   2,330 1,550 1,230 884 195 177 147 171 207 356
31 793   2,310   1,270   197 175   173   421