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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 -> 2021-09-30)

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
1 453 730 1,450 1,860 1,300 1,090 754 203 182 153 184 215
2 522 688 1,390 1,770 1,260 1,120 620 206 179 150 188 220
3 588 616 1,330 1,750 1,220 1,140 497 207 174 146 189 224
4 757 571 1,290 1,750 1,180 1,140 437 205 175 146 187 229
5 884 598 1,260 1,810 1,130 1,140 424 201 174 147 183 231
6 851 640 1,250 1,980 1,080 1,150 418 194 169 144 180 231
7 794 634 1,240 2,250 1,030 1,150 400 191 168 147 178 227
8 762 626 1,200 2,320 1,010 1,140 371 191 167 149 178 219
9 764 690 1,250 2,310 1,000 1,130 353 195 162 150 181 211
10 817 868 1,290 2,250 991 1,100 370 204 155 150 186 206
11 873 1,030 1,310 2,220 980 1,070 406 205 154 151 187 206
12 997 1,160 1,390 2,140 959 1,040 440 202 156 149 189 205
13 1,080 1,170 1,450 2,050 918 1,010 470 197 161 148 191 200
14 1,100 1,180 1,490 1,960 857 944 464 194 161 149 194 195
15 1,030 1,210 1,480 1,900 811 882 379 192 157 152 196 195
16 949 1,220 1,530 1,850 797 847 284 196 156 159 196 197
17 881 1,250 1,610 1,800 795 810 252 201 157 158 196 199
18 836 1,360 1,650 1,740 784 758 248 200 160 159 199 207
19 808 1,450 1,590 1,680 782 714 244 198 163 160 205 223
20 818 1,790 1,500 1,640 788 700 235 197 161 161 203 235
21 824 2,070 1,440 1,600 798 731 223 198 158 164 198 259
22 837 2,010 1,470 1,550 816 794 213 201 154 169 195 276
23 843 1,880 1,540 1,520 833 839 208 201 153 174 193 271
24 838 1,750 1,690 1,510 852 879 206 203 150 173 192 263
25 887 1,660 1,820 1,510 869 915 203 202 148 173 195 270
26 893 1,590 1,870 1,480 869 946 198 198 150 174 198 294
27 826 1,530 1,930 1,450 880 981 195 192 154 175 202 295
28 759 1,490 1,970 1,420 921 1,000 195 186 153 174 210 309
29 733 699 1,960 1,380 960 969 198 186 153 176 211 309
30 747   1,930 1,340 1,000 875 199 184 153 179 209 314
31 754   1,920   1,050   202 185   180   392