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USGS Daily Statistics for California

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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 -> 2026-09-30)

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 2,210 1,470 1,260 775 193 168 143 177 212
2 572 707 1,360 2,110 1,440 1,280 675 196 165 142 182 217
3 651 636 1,380 2,080 1,420 1,300 576 196 162 139 183 223
4 795 589 1,380 2,060 1,390 1,300 526 194 164 140 181 231
5 891 608 1,380 2,090 1,350 1,290 510 189 163 140 179 234
6 857 645 1,380 2,210 1,300 1,290 494 185 158 137 177 235
7 826 646 1,370 2,430 1,270 1,290 464 183 157 139 175 231
8 802 649 1,340 2,470 1,250 1,280 429 183 155 140 175 224
9 800 715 1,360 2,450 1,230 1,260 410 186 150 141 178 217
10 867 876 1,410 2,400 1,190 1,220 424 188 144 141 184 211
11 972 1,000 1,470 2,380 1,160 1,190 455 189 143 143 186 212
12 1,170 1,100 1,670 2,300 1,110 1,160 483 186 146 140 189 213
13 1,320 1,090 1,830 2,210 1,060 1,120 509 181 150 139 192 219
14 1,380 1,090 1,910 2,130 986 1,070 502 179 149 140 196 219
15 1,310 1,120 1,940 2,070 933 1,000 428 177 146 143 197 214
16 1,260 1,140 2,030 2,030 919 958 344 180 147 149 199 211
17 1,210 1,170 2,120 1,970 933 912 309 183 148 151 201 211
18 1,170 1,260 2,090 1,910 959 853 293 182 152 155 207 217
19 1,130 1,320 2,010 1,860 983 804 278 181 154 160 217 230
20 1,090 1,630 1,940 1,810 994 779 264 181 151 161 220 239
21 1,050 1,900 1,920 1,780 1,000 790 252 184 149 161 215 261
22 1,040 1,860 1,950 1,730 1,020 828 238 188 146 163 209 276
23 1,020 1,740 1,990 1,700 1,040 850 235 188 145 165 205 271
24 1,010 1,610 2,120 1,690 1,060 875 235 189 142 165 202 266
25 1,040 1,520 2,230 1,680 1,080 900 228 187 141 164 203 274
26 1,010 1,450 2,260 1,650 1,080 920 215 183 142 165 204 297
27 930 1,400 2,300 1,620 1,090 946 202 178 146 168 208 301
28 850 1,380 2,330 1,590 1,120 962 193 175 144 167 214 318
29 808 710 2,320 1,550 1,150 929 191 175 143 168 214 332
30 801   2,290 1,510 1,190 856 191 173 143 171 213 356
31 793   2,270   1,240   192 171   173   421