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| MERCED RIVER - HAPPY ISLES (HPIC1) | ||||||||||||||||
| Latitude: 37.73º N | Longitude: 119.56º W | Elevation: 4017 Feet | ||||||||||||||
| Location: Mariposa County in CA | ||||||||||||||||
| River Group: San Joaquin | ||||||||||||||||
| Issuance Time: | May 10 2025 at 8:56 AM PDT |
# Tabular Seasonal Trend Plot for HPIC1 # # File Generation Time: 05/10/2025 08:56 AM PDT # Interval: 1 Day # # Latest Forecast April-July Percent of Average: 84 % ( 186 kaf ) # 30 Year April-July Volume Mean: 220 kaf # # Peak April-July Volume and Date: 3.50 kaf on 05/10/2025 # Peak Water Year Volume and Date: 3.50 kaf on 05/10/2025 # # Min 90% 75% 50% 25% 10% Max # Exceed Exceed Exceed Exceed Exceed Exceed Exceed Raw Obs Raw Avg # Apr-Jul Apr-Jul Apr-Jul Apr-Jul Apr-Jul Apr-Jul Apr-Jul Apr-Jul Apr-Jul Raw Daily # Date Forecast Forecast Forecast Forecast Forecast Forecast Forecast To Date To Date Observation # (mm/dd/YYYY) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) # ----------------------------------------------------------------------------------------------------------------- 10/01/2024 44.2 84.4 107 174 293 370 557 0.016769 10/02/2024 42.7 85.0 112 173 281 362 482 0.016027 10/03/2024 42.7 84.9 113 173 279 357 480 0.015368 10/04/2024 38.4 85.6 109 173 278 358 483 0.014860 10/05/2024 37.7 85.1 113 171 283 357 481 0.014509 10/06/2024 36.3 83.6 108 171 281 354 484 0.014117 10/07/2024 39.5 84.4 107 171 284 356 490 0.013686 10/08/2024 45.4 85.9 110 172 291 359 489 0.013232 10/09/2024 43.9 85.9 113 172 289 357 478 0.013232 10/10/2024 47.2 84.8 111 171 283 356 484 0.013022 10/11/2024 44.9 85.1 109 171 282 357 478 0.012813 10/12/2024 44.4 86.2 121 171 285 361 485 0.012813 10/13/2024 38.3 84.9 110 171 281 359 473 0.012813 10/14/2024 44.4 86.2 120 171 288 359 483 0.012982 10/15/2024 44.3 84.1 109 170 279 357 472 0.012794 10/16/2024 42.1 84.1 113 172 281 358 483 0.012528 10/17/2024 48.2 82.6 105 172 289 364 552 0.014501 10/18/2024 42.7 82.0 103 171 288 364 531 0.019081 10/19/2024 46.7 84.0 112 173 288 364 528 0.017370 10/20/2024 48.9 83.7 112 174 287 363 528 0.016047 10/21/2024 55.8 87.0 110 175 292 368 539 0.015005 10/22/2024 45.2 84.1 107 172 291 365 523 0.014365 10/23/2024 49.7 82.0 104 172 287 360 525 0.014077 10/24/2024 45.2 82.7 104 174 291 362 523 0.013567 10/25/2024 43.9 86.4 111 173 284 365 545 0.013232 10/26/2024 42.0 89.0 113 175 289 368 526 0.012926 10/27/2024 35.6 83.9 105 171 288 359 522 0.012813 10/28/2024 36.6 85.3 104 171 282 362 510 0.012813 10/29/2024 42.4 90.0 116 178 287 368 529 0.013641 10/30/2024 39.6 85.3 113 175 285 362 522 0.014654 10/31/2024 38.0 85.3 103 175 284 357 501 0.014737 11/01/2024 37.3 86.3 103 170 280 355 492 0.014737 11/02/2024 36.2 79.0 98.4 168 279 347 491 0.014779 11/03/2024 39.9 80.9 103 171 284 357 490 0.016134 11/04/2024 35.8 71.5 96.7 173 276 347 483 0.016632 11/05/2024 37.1 84.1 110 176 281 349 490 0.016015 11/06/2024 37.6 88.0 114 170 284 358 476 0.015769 11/07/2024 32.5 83.1 107 165 277 353 479 0.015301 11/08/2024 30.4 76.2 109 168 281 352 486 0.015255 11/09/2024 40.1 73.5 109 163 281 350 482 0.015192 11/10/2024 38.4 80.8 106 170 283 361 503 0.014985 11/11/2024 41.5 76.1 103 165 295 354 494 0.014860 11/12/2024 35.8 82.0 102 168 290 354 496 0.016340 11/13/2024 32.6 78.5 101 160 286 350 510 0.017871 11/14/2024 33.3 77.2 108 153 289 345 517 0.021019 11/15/2024 28.2 78.6 104 160 292 347 511 0.020142 11/16/2024 36.8 79.7 103 167 292 348 525 0.020115 11/17/2024 46.0 80.3 102 167 293 357 553 0.017104 11/18/2024 49.6 85.6 113 173 305 360 514 0.019823 11/19/2024 54.4 84.7 112 177 307 360 492 0.020240 11/20/2024 61.4 93.4 123 186 314 362 520 0.018869 11/21/2024 57.0 93.3 132 184 311 375 535 0.020246 11/22/2024 40.1 82.3 121 175 310 352 519 0.020841 11/23/2024 47.1 87.0 120 179 301 357 523 0.022348 11/24/2024 51.0 92.8 128 185 306 368 524 0.060288 11/25/2024 37.3 87.9 123 182 295 354 481 0.046017 11/26/2024 45.5 85.9 111 173 291 343 485 0.041663 11/27/2024 42.2 83.3 103 165 282 342 466 0.064787 11/28/2024 46.3 85.3 105 166 290 353 473 0.056462 11/29/2024 46.3 84.7 110 164 290 343 470 0.051323 11/30/2024 46.9 86.1 114 162 287 348 479 0.052555 12/01/2024 47.8 85.3 106 163 290 351 476 0.054084 12/02/2024 49.0 86.8 105 165 286 355 473 0.058380 12/03/2024 45.6 83.8 105 162 284 348 492 0.061998 12/04/2024 45.0 84.8 104 164 283 351 463 0.059852 12/05/2024 45.6 85.9 104 164 285 349 460 0.057424 12/06/2024 40.8 86.3 113 175 278 332 453 0.056440 12/07/2024 35.1 85.2 105 164 283 333 452 0.053503 12/08/2024 28.9 80.6 101 153 272 324 469 0.051394 12/09/2024 39.7 88.9 112 163 273 337 453 0.050797 12/10/2024 40.9 89.3 112 165 291 336 470 0.045914 12/11/2024 52.4 92.3 114 169 289 323 458 0.044309 12/12/2024 45.9 91.0 109 168 281 318 445 0.045380 12/13/2024 33.5 93.8 109 169 278 317 407 0.045063 12/14/2024 41.4 91.3 109 162 274 314 408 0.044464 12/15/2024 41.5 92.5 112 158 266 313 437 0.048626 12/16/2024 43.3 91.8 113 166 272 314 425 0.044395 12/17/2024 45.5 90.7 119 176 275 315 452 0.055088 12/18/2024 42.0 91.4 114 173 279 323 435 0.063022 12/19/2024 50.2 92.8 120 176 268 321 419 0.067846 12/20/2024 47.7 89.9 119 180 272 331 411 0.071140 12/21/2024 48.0 83.9 110 169 259 311 394 0.073624 12/22/2024 49.3 91.3 112 175 261 313 416 0.076458 12/23/2024 40.9 92.9 115 182 265 318 387 0.146051 12/24/2024 47.9 95.1 114 184 255 326 417 0.128374 12/25/2024 43.3 95.3 109 172 260 319 412 0.124691 12/26/2024 46.5 89.8 108 173 253 308 374 0.113958 12/27/2024 44.4 86.2 108 157 252 298 378 0.112716 12/28/2024 45.9 84.8 109 158 251 304 386 0.173511 12/29/2024 42.5 86.1 107 160 250 296 355 0.155709 12/30/2024 44.1 85.1 113 156 249 286 335 0.195242 12/31/2024 44.4 86.8 113 156 248 293 341 0.161149 01/01/2025 43.2 80.2 107 156 242 281 326 0.130897 01/02/2025 45.6 83.2 108 162 242 286 333 0.123386 01/03/2025 49.9 85.5 111 169 246 284 329 0.116505 01/04/2025 45.5 80.2 112 162 243 281 321 0.123171 01/05/2025 46.5 79.4 115 167 246 286 324 0.115819 01/06/2025 43.1 79.6 109 169 250 283 319 0.116132 01/07/2025 48.0 80.3 117 180 241 286 313 0.111368 01/08/2025 43.4 64.7 109 157 234 280 291 0.103987 01/09/2025 47.3 71.8 113 159 231 275 299 0.098280 01/10/2025 42.4 75.0 112 156 230 276 322 0.096162 01/11/2025 52.5 81.8 122 174 252 286 342 0.093603 01/12/2025 45.4 73.3 118 154 239 272 309 0.094113 01/13/2025 41.8 68.6 112 150 228 260 292 0.088169 01/14/2025 43.3 73.4 108 149 227 263 284 0.082498 01/15/2025 42.8 71.4 115 155 233 266 302 0.083860 01/16/2025 40.9 65.8 111 153 233 264 291 0.083160 01/17/2025 44.0 72.5 113 147 233 260 267 0.079528 01/18/2025 50.2 75.8 119 158 237 271 284 0.077281 01/19/2025 38.5 63.9 98.9 127 202 248 254 0.071827 01/20/2025 42.6 65.8 96.6 135 200 249 258 0.072818 01/21/2025 39.4 64.1 93.8 127 196 247 260 0.065690 01/22/2025 33.3 60.7 90.9 121 194 240 260 0.066586 01/23/2025 36.6 61.1 96.1 128 202 245 263 0.067975 01/24/2025 39.7 68.1 103 137 204 251 263 0.068476 01/25/2025 45.0 69.4 110 132 214 249 265 0.069339 01/26/2025 32.1 69.7 102 128 203 245 259 0.073776 01/27/2025 34.8 68.3 104 129 209 252 264 0.069397 01/28/2025 44.3 68.6 101 131 212 254 262 0.068181 01/29/2025 51.5 79.9 109 147 218 257 276 0.066949 01/30/2025 65.2 97.1 127 167 250 278 349 0.065184 01/31/2025 49.6 92.9 140 174 249 283 329 0.063339 02/01/2025 78.8 102 137 173 241 282 328 0.070928 02/02/2025 71.7 101 123 162 241 279 330 0.265273 02/03/2025 67.7 99.3 131 154 235 275 332 0.379682 02/04/2025 52.5 94.1 125 157 224 268 332 0.264847 02/05/2025 53.5 103 122 156 228 272 307 0.298779 02/06/2025 78.6 105 135 160 239 288 309 0.505531 02/07/2025 75.5 103 127 164 224 276 298 0.409995 02/08/2025 81.3 110 127 174 228 277 306 0.425925 02/09/2025 77.5 100 131 172 226 276 299 0.277210 02/10/2025 76.2 109 130 162 220 275 307 0.230723 02/11/2025 87.7 105 134 172 222 260 296 0.206109 02/12/2025 84.0 113 137 166 218 263 295 0.183390 02/13/2025 77.0 109 142 167 224 261 307 0.171242 02/14/2025 96.1 122 148 172 220 285 312 0.377444 02/15/2025 97.2 121 144 168 215 277 295 0.299177 02/16/2025 96.7 122 144 170 219 257 299 0.282070 02/17/2025 101 125 144 169 217 262 310 0.271823 02/18/2025 100 123 144 169 218 252 292 0.245954 02/19/2025 95.5 122 138 162 214 250 284 0.230994 02/20/2025 100 123 141 164 217 252 300 0.238928 02/21/2025 103 132 148 170 222 271 298 0.234384 02/22/2025 100 126 147 172 220 260 298 0.232070 02/23/2025 102 128 152 175 218 254 312 0.246037 02/24/2025 107 130 155 176 225 267 312 0.277690 02/25/2025 116 136 165 188 236 278 322 0.336120 02/26/2025 118 145 170 192 245 287 332 0.346037 02/27/2025 113 144 161 184 229 272 309 0.349344 02/28/2025 109 136 157 173 229 266 291 0.374054 03/01/2025 Missing Missing Missing Missing Missing Missing Missing 0.380336 03/02/2025 Missing Missing Missing Missing Missing Missing Missing 0.378932 03/03/2025 123 147 173 192 235 267 342 0.408022 03/04/2025 122 153 174 195 239 283 327 0.363889 03/05/2025 135 149 174 193 235 272 318 0.327525 03/06/2025 144 160 179 198 255 286 321 0.348269 03/07/2025 138 164 175 196 248 280 301 0.323971 03/08/2025 130 151 163 187 226 263 284 0.278598 03/09/2025 134 162 176 193 239 272 303 0.276286 03/10/2025 140 163 175 193 237 264 311 0.296121 03/11/2025 139 159 173 197 244 259 303 0.309591 03/12/2025 136 161 173 197 240 265 309 0.303888 03/13/2025 145 164 180 193 241 266 298 0.305542 03/14/2025 151 162 181 193 233 262 283 0.330253 03/15/2025 149 161 175 190 227 250 278 0.329096 03/16/2025 144 157 168 184 207 239 273 0.325046 03/17/2025 145 157 166 186 208 238 274 0.318104 03/18/2025 154 167 179 197 216 257 302 0.334632 03/19/2025 153 169 180 194 221 256 292 0.322235 03/20/2025 155 163 175 189 208 241 262 0.321575 03/21/2025 154 166 178 190 211 241 266 0.337030 03/22/2025 155 167 178 193 214 243 256 0.390337 03/23/2025 159 172 183 201 221 256 281 0.506205 03/24/2025 158 173 188 201 219 257 280 0.675465 03/25/2025 166 181 192 209 227 256 278 0.946709 03/26/2025 167 177 194 209 226 258 301 1.178034 03/27/2025 168 182 192 204 223 259 292 1.355226 03/28/2025 170 179 193 207 223 253 296 1.324647 03/29/2025 164 173 183 192 208 230 257 1.131670 03/30/2025 170 173 187 199 216 238 258 0.947369 03/31/2025 175 181 191 204 219 235 256 0.881005 04/01/2025 179 180 191 201 214 233 255 0.823896 04/02/2025 177 182 187 200 213 227 265 0.71 0.73 0.712656 04/03/2025 178 183 189 202 213 230 259 1.37 1.49 0.659183 04/04/2025 179 180 189 201 214 228 273 1.98 2.28 0.610422 04/05/2025 178 180 188 199 210 228 254 2.57 3.10 0.584801 04/06/2025 179 180 187 197 211 226 253 3.16 3.95 0.594885 04/07/2025 176 180 186 194 211 227 255 3.84 4.84 0.675382 04/08/2025 172 176 179 188 202 219 245 4.67 5.99 0.834806 04/09/2025 172 176 180 188 203 218 248 5.73 7.09 1.053322 04/10/2025 172 176 180 189 201 217 245 7.11 8.13 1.383904 04/11/2025 172 176 181 188 203 214 251 8.87 9.15 1.757794 04/12/2025 171 174 179 187 198 216 253 10.70 10.31 1.828126 04/13/2025 174 178 181 190 203 217 257 12.54 11.45 1.849449 04/14/2025 176 178 181 188 202 220 262 14.46 12.60 1.919863 04/15/2025 174 177 181 190 204 218 257 16.42 13.76 1.953664 04/16/2025 172 175 179 186 197 215 243 18.36 14.93 1.943003 04/17/2025 167 175 177 184 194 214 232 20.09 16.07 1.728785 04/18/2025 166 174 176 183 193 210 223 21.77 17.25 1.675230 04/19/2025 168 175 177 184 192 210 222 23.51 18.48 1.748620 04/20/2025 167 173 177 184 192 209 226 25.23 19.73 1.712504 04/21/2025 167 173 176 182 188 207 218 27.25 21.04 2.027550 04/22/2025 168 173 176 182 189 206 218 29.57 22.42 2.318380 04/23/2025 171 175 178 185 192 210 221 32.01 23.86 2.433919 04/24/2025 169 175 182 190 194 214 226 34.26 25.35 2.252429 04/25/2025 169 177 181 188 194 210 221 36.19 26.88 1.936309 04/26/2025 171 178 182 191 197 210 231 37.92 28.45 1.720107 04/27/2025 177 181 185 189 198 212 233 39.41 30.18 1.494651 04/28/2025 180 183 189 194 199 217 243 40.63 32.03 1.224399 04/29/2025 180 186 191 198 203 222 245 41.71 33.98 1.078611 04/30/2025 176 183 189 194 207 222 233 42.95 35.99 1.237869 05/01/2025 173 185 189 195 203 217 227 44.67 38.14 1.716307 05/02/2025 174 184 188 194 201 213 220 46.56 40.36 1.897218 05/03/2025 171 181 184 189 199 205 213 48.95 42.56 2.388217 05/04/2025 171 181 183 189 196 201 208 51.30 44.76 2.352018 05/05/2025 173 181 183 188 196 202 208 53.01 47.00 1.704983 05/06/2025 170 179 181 187 193 199 206 54.85 49.29 1.837465 05/07/2025 169 179 182 186 193 197 212 57.12 51.59 2.273752 05/08/2025 172 180 182 186 195 200 208 59.58 53.88 2.457144 05/09/2025 171 180 183 186 193 198 206 62.50 56.22 2.918804 05/10/2025 168 178 181 186 190 195 199 66.00 58.57 3.503109 # # -----------------------------------------------------------------------------------------------------------------
| Text Products (RNOHFSAJV and RNOHFSWSV) |
| Raw ESP April-July Streamflow Volumes Tracker April to July Streamflow Volume Accumulation Forecast |
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ324) |
| Today: Sunny. Highs 65 to 75. South winds 5 to 10 mph increasing to southwest 15 to 20 mph in the afternoon. Tonight: Mostly clear. Lows in the upper 40s. Southwest winds up to 10 mph. Gusts up to 25 mph in the evening. Monday: Sunny. Highs 51 to 63. Southwest winds 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Monday Night: Colder. Mostly cloudy in the evening then clearing. Lows 35 to 41. Southwest winds 5 to 15 mph decreasing to up to 5 mph after midnight. Tuesday: Partly sunny. Chance of rain showers in the afternoon. Highs 45 to 55. Southwest winds up to 10 mph. Chance of showers 40 percent. Tuesday Night: Mostly cloudy in the evening then clearing. Lows 35 to 41. Wednesday: Warmer, sunny. Highs 56 to 66. Wednesday Night: Partly cloudy. Lows 42 to 48. Thursday: Warmer, sunny. Highs 62 to 72. Thursday Night: Partly cloudy. Lows 46 to 52. Friday: Partly sunny. Highs 63 to 73. Friday Night and Saturday: Partly cloudy. Lows 46 to 52. Highs 60 to 70. |
| Flood Impacts | |
| 13.27 Feet | Flood of Record: 1/2/97. $178 million in damage to Yosemite Valley. |
| 10.0 Feet | Northside Drive at Wosky Pond, Southside Drive at Chapel Meadow, El Capitan crossover, and Sentinel crossover are impassable to vehicles. |
| 8.2 Feet | Swinging Bridge overtops. Water on road at Northside Drive, Southsie Drive, El Capitan crossover, and Sentinel crossover. |
| 7.5 Feet | Flood Stage. Housekeeping camp and Yosemite Valley backpacker campground begin to flood. |
| 7.0 Feet | North Pines and Lower Pines campgrounds begin flooding. |