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USGS Surface-Water 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 72.37 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 -> 2024-09-30)

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
1 492 788 1,420 2,310 1,560 1,340 825 201 173 145 173 208
2 589 730 1,420 2,210 1,530 1,370 718 204 170 144 176 214
3 675 649 1,430 2,180 1,500 1,380 611 204 167 141 178 219
4 830 594 1,420 2,150 1,470 1,380 558 201 169 142 177 225
5 933 608 1,410 2,200 1,420 1,380 541 196 169 142 174 228
6 897 640 1,410 2,330 1,370 1,380 523 191 164 139 172 230
7 863 629 1,400 2,560 1,330 1,370 490 190 164 141 171 227
8 837 618 1,370 2,600 1,320 1,360 452 191 161 142 170 220
9 835 674 1,400 2,590 1,290 1,340 432 194 157 143 173 213
10 907 836 1,460 2,540 1,250 1,300 447 195 150 143 179 208
11 1,020 981 1,520 2,520 1,220 1,270 481 196 150 145 181 209
12 1,240 1,100 1,740 2,430 1,170 1,230 513 193 152 143 183 210
13 1,400 1,110 1,910 2,330 1,110 1,200 540 187 156 142 186 216
14 1,460 1,120 2,000 2,250 1,030 1,130 533 185 155 142 189 216
15 1,390 1,140 2,020 2,180 975 1,070 453 184 151 145 191 211
16 1,330 1,150 2,100 2,130 960 1,020 363 188 150 151 191 209
17 1,280 1,180 2,190 2,070 976 969 325 190 150 152 190 208
18 1,240 1,280 2,170 2,010 1,000 906 308 189 153 148 193 214
19 1,200 1,360 2,070 1,960 1,030 853 292 188 156 149 199 227
20 1,150 1,680 1,980 1,910 1,040 827 277 189 154 150 198 236
21 1,110 1,930 1,960 1,870 1,050 840 263 191 151 153 193 258
22 1,100 1,880 2,010 1,830 1,070 881 248 195 148 158 190 274
23 1,080 1,760 2,060 1,800 1,100 905 244 196 147 162 188 269
24 1,050 1,640 2,200 1,790 1,130 933 244 196 145 162 187 264
25 1,080 1,560 2,330 1,780 1,150 959 238 194 143 161 189 272
26 1,050 1,500 2,360 1,740 1,140 981 225 189 145 162 191 296
27 970 1,460 2,420 1,720 1,150 1,010 210 184 148 164 196 301
28 884 1,440 2,450 1,680 1,190 1,030 201 180 146 163 204 319
29 840 699 2,440 1,640 1,220 991 199 181 146 165 205 334
30 833   2,400 1,590 1,270 913 198 179 146 168 204 359
31 825   2,380   1,310   199 177   169   429