| ||||||||||||||||
| TUOLUMNE RIVER - HETCH HETCHY RESERVOIR (HETC1) | ||||||||||||||||
| Latitude: 37.95º N | Longitude: 119.79º W | Elevation: 3870 Feet | ||||||||||||||
| Location: Tuolumne County in CA | ||||||||||||||||
| River Group: San Joaquin | ||||||||||||||||
| Issuance Time: | May 14 2025 at 8:38 AM PDT |
# Tabular Water Year Trend Plot for HETC1 # # File Generation Time: 05/14/2025 08:38 AM PDT # Interval: 1 Day # # Latest Forecast Water Year Volume Forecast: 602 kaf # 30 Year Water Year Volume Mean: 778 kaf # # Forecast Water Year Percent of Average: 77% # Observed Water Year to Date Percent of Average: 92% # # Peak Water Year Volume and Date: 12.1 kaf on 05/12/2025 # # Min 90% 75% 50% 25% 10% Max Raw Raw Raw # Exceed Exceed Exceed Exceed Exceed Exceed Exceed WY To Date WY To Date Daily # Date WY Fcst WY Fcst WY Fcst WY Fcst WY Fcst WY Fcst WY Fcst Observation Average Observation # (mm/dd/YYYY) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) (kaf) # ----------------------------------------------------------------------------------------------------------------------- 10/01/2024 277 313 406 717 995 1350 1740 0.03 0.16 0.026297 10/02/2024 275 351 411 692 1040 1300 1590 0.03 0.31 0.006302 10/03/2024 272 353 413 687 1030 1280 1580 0.05 0.45 0.018897 10/04/2024 261 354 412 687 1010 1280 1590 0.07 0.59 0.014091 10/05/2024 256 346 416 684 1000 1280 1600 0.08 0.72 0.016318 10/06/2024 252 326 406 686 1000 1270 1590 0.09 0.85 0.007789 10/07/2024 261 333 406 688 1000 1290 1610 0.10 0.97 0.009721 10/08/2024 280 345 406 692 1040 1290 1600 0.11 1.10 0.007224 10/09/2024 272 343 412 696 1040 1280 1580 0.11 1.22 0.000000 10/10/2024 272 338 408 685 1000 1290 1590 0.12 1.35 0.012212 10/11/2024 271 345 411 690 1020 1280 1580 0.13 1.49 0.013430 10/12/2024 270 344 422 688 1010 1290 1560 0.14 1.62 0.009848 10/13/2024 261 343 406 686 994 1280 1540 0.15 1.77 0.003326 10/14/2024 273 345 419 684 1020 1280 1580 0.15 1.96 0.008626 10/15/2024 267 337 400 685 985 1270 1530 0.16 2.15 0.008281 10/16/2024 273 348 427 689 1020 1290 1600 0.26 2.30 0.099911 10/17/2024 273 321 415 709 1020 1300 1620 0.32 2.61 0.059499 10/18/2024 271 323 407 703 997 1290 1620 0.34 2.87 0.018026 10/19/2024 276 325 411 698 995 1320 1610 0.40 3.07 0.064265 10/20/2024 283 324 415 712 994 1310 1640 0.43 3.31 0.021247 10/21/2024 291 322 421 704 1000 1310 1630 0.43 3.52 0.006048 10/22/2024 286 317 411 692 1030 1290 1600 0.44 3.74 0.012093 10/23/2024 305 320 406 678 982 1280 1600 0.45 3.98 0.008103 10/24/2024 298 322 414 680 1010 1290 1590 0.46 4.23 0.007867 10/25/2024 283 326 419 689 994 1290 1610 0.48 5.31 0.019514 10/26/2024 282 320 421 680 1020 1290 1620 0.49 6.29 0.012446 10/27/2024 251 319 417 671 994 1280 1590 0.50 6.84 0.006280 10/28/2024 266 329 406 658 988 1280 1570 0.50 7.30 0.000000 10/29/2024 281 344 437 710 1020 1300 1670 0.50 7.82 0.006674 10/30/2024 264 348 440 695 996 1280 1640 0.52 8.17 0.011330 10/31/2024 263 331 402 674 986 1260 1550 0.52 8.77 0.005375 11/01/2024 262 318 416 652 965 1270 1530 0.52 9.19 0.002331 11/02/2024 254 315 394 637 959 1230 1500 0.55 9.54 0.025609 11/03/2024 269 329 410 659 980 1250 1510 0.55 9.93 0.003733 11/04/2024 247 306 394 646 949 1210 1490 0.58 10.25 0.025730 11/05/2024 273 322 402 665 984 1240 1510 0.60 10.55 0.022148 11/06/2024 243 341 423 685 996 1260 1530 0.62 10.89 0.017427 11/07/2024 240 319 407 646 976 1220 1510 0.62 11.25 0.002799 11/08/2024 242 319 402 647 990 1250 1510 0.64 11.76 0.016009 11/09/2024 246 316 396 632 978 1220 1510 0.67 12.18 0.037296 11/10/2024 277 328 409 632 1020 1230 1530 0.70 12.56 0.021854 11/11/2024 269 334 406 640 998 1250 1540 0.70 12.94 0.003701 11/12/2024 275 347 406 626 995 1250 1530 0.76 13.41 0.059065 11/13/2024 264 343 395 614 982 1240 1540 0.78 13.83 0.024431 11/14/2024 256 336 390 604 959 1200 1550 0.80 14.42 0.021214 11/15/2024 250 332 398 595 1010 1250 1530 0.83 14.87 0.022757 11/16/2024 283 339 401 603 1010 1220 1580 0.84 15.27 0.013728 11/17/2024 321 367 416 658 1080 1270 1620 0.84 15.93 0.003602 11/18/2024 326 396 442 678 1090 1290 1670 0.88 16.69 0.032752 11/19/2024 316 375 432 657 1070 1310 1620 0.89 17.22 0.013710 11/20/2024 369 401 465 687 1080 1320 1670 0.89 17.79 0.003322 11/21/2024 347 391 463 681 1090 1370 1780 0.90 18.29 0.004554 11/22/2024 298 359 465 662 1070 1280 1750 0.92 18.84 0.022096 11/23/2024 282 389 464 679 1040 1290 1710 1.09 19.33 0.165678 11/24/2024 281 387 474 662 1040 1310 1630 1.38 19.90 0.293042 11/25/2024 284 381 465 667 1030 1270 1590 1.46 20.44 0.079181 11/26/2024 226 366 461 643 979 1230 1550 1.74 20.89 0.283896 11/27/2024 212 357 427 628 932 1200 1470 2.03 21.34 0.288480 11/28/2024 278 361 451 638 953 1210 1580 2.09 21.78 0.063228 11/29/2024 283 359 450 641 957 1220 1530 2.20 22.24 0.109499 11/30/2024 281 359 451 651 936 1230 1530 2.27 22.71 0.066053 12/01/2024 308 359 448 640 963 1230 1510 2.32 23.19 0.049837 12/02/2024 272 358 452 642 922 1240 1510 2.39 23.72 0.069932 12/03/2024 228 347 442 628 920 1210 1500 2.45 24.38 0.063107 12/04/2024 266 352 432 639 926 1250 1510 2.55 24.85 0.097396 12/05/2024 266 362 450 648 927 1190 1530 2.65 25.39 0.096902 12/06/2024 258 365 456 649 925 1200 1480 2.71 25.89 0.060574 12/07/2024 223 364 452 641 910 1190 1480 2.75 26.36 0.043316 12/08/2024 171 328 394 562 892 1110 1390 2.82 26.85 0.064565 12/09/2024 221 353 449 620 892 1200 1430 2.89 27.33 0.074439 12/10/2024 253 371 445 629 919 1230 1430 2.94 27.87 0.045140 12/11/2024 239 380 464 624 941 1180 1460 2.99 28.62 0.054435 12/12/2024 230 379 438 613 945 1120 1380 3.03 29.33 0.039652 12/13/2024 189 368 440 600 939 1120 1300 3.13 29.84 0.099306 12/14/2024 262 386 435 578 919 1120 1330 3.22 30.36 0.094020 12/15/2024 263 387 434 577 923 1100 1340 3.49 30.84 0.265392 12/16/2024 237 406 471 587 937 1110 1360 3.64 31.52 0.152995 12/17/2024 239 416 482 614 944 1150 1420 4.12 32.04 0.476677 12/18/2024 248 392 472 617 965 1130 1410 4.54 32.56 0.420770 12/19/2024 237 407 483 637 952 1130 1370 4.81 33.16 0.271841 12/20/2024 244 429 490 642 964 1140 1380 4.97 33.94 0.163375 12/21/2024 216 388 450 592 924 1090 1310 5.18 34.72 0.208172 12/22/2024 224 403 461 597 958 1100 1380 5.44 35.41 0.262467 12/23/2024 218 406 474 610 940 1130 1350 6.19 36.14 0.744491 12/24/2024 236 429 470 598 925 1110 1360 6.72 36.83 0.529648 12/25/2024 210 394 464 612 930 1070 1400 7.30 37.56 0.578940 12/26/2024 218 358 450 598 908 1070 1290 7.72 38.25 0.420593 12/27/2024 210 360 440 573 880 1040 1260 8.26 38.94 0.546305 12/28/2024 214 359 446 567 886 1050 1270 9.18 39.63 0.920560 12/29/2024 218 365 438 577 887 1040 1210 9.85 40.34 0.661378 12/30/2024 203 359 439 561 879 1070 1120 11.21 41.03 1.360860 12/31/2024 209 374 447 597 864 1020 1110 11.99 42.17 0.782124 01/01/2025 197 364 439 565 862 977 1060 12.56 43.83 0.566392 01/02/2025 199 365 445 590 860 1030 1170 12.99 46.17 0.439155 01/03/2025 210 368 447 581 869 1030 1130 13.40 47.65 0.405535 01/04/2025 210 373 460 573 870 963 1120 13.96 48.58 0.560460 01/05/2025 213 379 456 595 870 990 1110 14.39 49.46 0.430179 01/06/2025 203 381 447 622 868 970 1070 14.82 50.27 0.431614 01/07/2025 211 384 450 635 873 990 1100 15.30 51.07 0.479093 01/08/2025 196 362 429 591 837 954 1000 15.61 51.92 0.304328 01/09/2025 195 368 441 591 829 967 1050 15.92 53.16 0.313016 01/10/2025 200 387 445 595 845 971 1040 16.17 54.24 0.252301 01/11/2025 219 417 513 638 859 1010 1140 16.46 55.24 0.288948 01/12/2025 210 356 451 574 803 976 1110 16.71 56.08 0.247009 01/13/2025 198 337 436 548 775 933 1040 16.97 57.22 0.261429 01/14/2025 204 337 433 551 786 923 999 17.18 58.56 0.213891 01/15/2025 214 356 455 572 796 964 1030 17.38 59.54 0.196585 01/16/2025 206 353 442 571 769 944 1040 17.56 60.45 0.177948 01/17/2025 204 336 431 568 801 916 959 17.72 61.31 0.159388 01/18/2025 232 361 465 561 808 936 1020 17.92 62.15 0.205844 01/19/2025 199 293 407 487 712 874 905 18.11 63.01 0.183730 01/20/2025 200 285 401 498 727 859 905 18.33 63.82 0.220214 01/21/2025 199 278 400 467 699 847 892 18.50 64.62 0.171172 01/22/2025 198 291 398 474 673 857 885 18.66 65.35 0.157930 01/23/2025 204 290 396 478 703 856 917 18.79 66.23 0.133579 01/24/2025 209 295 423 482 706 886 917 18.94 67.08 0.151680 01/25/2025 218 303 425 495 718 850 916 19.05 67.98 0.112552 01/26/2025 182 291 406 476 688 846 886 19.20 68.79 0.150082 01/27/2025 210 308 423 513 720 885 941 19.44 69.54 0.234666 01/28/2025 213 301 432 498 766 881 924 19.54 70.32 0.103636 01/29/2025 279 341 462 561 788 918 964 19.65 71.00 0.110195 01/30/2025 340 415 538 670 881 1010 1060 19.80 71.72 0.148800 01/31/2025 326 427 559 654 890 1010 1110 19.95 72.45 0.152946 02/01/2025 306 420 549 659 861 1020 1120 20.17 73.13 0.214992 02/02/2025 350 421 535 637 834 958 1060 23.19 73.81 3.026028 02/03/2025 334 428 517 613 819 996 1130 25.69 74.59 2.495947 02/04/2025 314 416 536 603 810 965 1080 26.95 75.49 1.264079 02/05/2025 316 412 500 578 789 942 1070 28.34 76.39 1.385213 02/06/2025 330 430 540 608 804 981 1070 30.42 77.13 2.084897 02/07/2025 308 435 486 609 763 927 1040 32.45 77.92 2.021167 02/08/2025 361 422 493 618 797 927 1090 34.46 78.99 2.011729 02/09/2025 327 428 517 620 793 933 1080 35.48 80.22 1.022006 02/10/2025 362 432 509 618 769 897 1120 36.31 81.28 0.834522 02/11/2025 399 436 512 615 747 888 1040 36.95 82.25 0.640692 02/12/2025 396 443 522 627 768 909 1080 37.54 83.13 0.583645 02/13/2025 403 451 518 606 746 877 1040 38.19 84.06 0.653399 02/14/2025 423 467 526 630 757 927 1040 41.68 85.18 3.483439 02/15/2025 421 471 521 615 747 893 1040 43.37 86.57 1.698455 02/16/2025 419 474 514 607 757 875 1100 44.49 87.85 1.119934 02/17/2025 433 466 520 604 759 898 1080 45.56 89.15 1.071007 02/18/2025 411 470 513 599 738 881 1110 46.49 90.49 0.928278 02/19/2025 407 466 514 590 720 875 1030 47.10 91.93 0.607695 02/20/2025 414 474 519 606 733 883 1050 48.02 93.17 0.915798 02/21/2025 423 490 537 642 762 911 1090 48.79 94.28 0.771002 02/22/2025 414 478 530 635 768 895 1110 49.57 95.30 0.782987 02/23/2025 420 474 531 638 773 896 1050 50.34 96.30 0.769019 02/24/2025 424 484 556 647 764 903 1140 51.26 97.36 0.921915 02/25/2025 449 501 569 671 791 960 1080 52.38 98.42 1.116463 02/26/2025 443 519 595 676 806 976 1110 53.42 99.38 1.044973 02/27/2025 444 510 551 640 763 876 1040 54.41 100.39 0.987452 02/28/2025 442 489 553 617 740 865 1020 55.46 101.53 1.051090 03/01/2025 Missing Missing Missing Missing Missing Missing Missing 56.48 102.66 1.020346 03/02/2025 Missing Missing Missing Missing Missing Missing Missing 57.52 103.77 1.041502 03/03/2025 437 505 582 636 752 907 969 58.73 104.94 1.209439 03/04/2025 476 525 575 643 754 908 1010 59.69 106.13 0.958610 03/05/2025 442 526 582 634 765 877 1030 60.59 107.41 0.895219 03/06/2025 487 539 582 647 792 961 1000 61.80 108.75 1.215142 03/07/2025 474 539 578 631 811 888 949 62.80 110.04 0.999271 03/08/2025 472 520 555 600 740 825 912 63.57 111.39 0.765300 03/09/2025 498 539 582 637 763 861 950 64.38 112.80 0.817698 03/10/2025 494 546 576 636 742 860 899 65.23 114.28 0.850838 03/11/2025 493 529 577 638 791 860 942 66.08 116.05 0.842988 03/12/2025 493 542 589 648 763 862 973 66.87 117.58 0.794804 03/13/2025 530 542 603 650 764 861 943 67.97 119.01 1.097123 03/14/2025 509 557 605 651 763 846 916 69.06 120.56 1.088777 03/15/2025 523 570 595 643 736 821 889 70.11 122.17 1.050428 03/16/2025 520 566 593 626 705 783 875 71.11 123.69 1.003238 03/17/2025 512 551 588 627 703 793 844 72.25 125.32 1.135554 03/18/2025 527 571 608 658 720 830 978 73.96 126.84 1.708702 03/19/2025 534 575 600 652 736 833 952 75.15 128.56 1.193240 03/20/2025 522 557 587 626 691 787 839 76.24 130.27 1.089189 03/21/2025 532 565 580 628 689 790 806 77.49 132.07 1.250928 03/22/2025 515 575 591 633 702 789 832 78.88 134.00 1.389111 03/23/2025 547 590 612 665 732 845 866 80.62 135.98 1.738869 03/24/2025 534 588 626 658 723 851 863 82.83 137.70 2.207471 03/25/2025 543 604 640 672 721 839 907 85.67 139.53 2.841447 03/26/2025 539 614 638 677 737 855 922 88.98 141.38 3.314841 03/27/2025 546 602 638 674 726 839 890 92.70 143.16 3.715260 03/28/2025 576 599 634 666 718 824 909 96.55 145.00 3.855428 03/29/2025 554 589 604 639 692 754 830 99.65 146.86 3.099467 03/30/2025 562 592 617 655 710 775 847 102.08 148.69 2.426729 03/31/2025 596 601 630 653 710 766 830 104.32 150.71 2.245818 04/01/2025 580 606 615 650 703 755 826 107.01 152.73 2.685163 04/02/2025 584 596 614 644 689 736 820 109.09 154.85 2.085567 04/03/2025 585 599 617 646 692 743 837 110.91 156.98 1.816390 04/04/2025 581 600 614 646 695 739 830 112.58 159.16 1.665727 04/05/2025 580 596 613 639 685 732 825 114.12 161.47 1.543907 04/06/2025 580 597 610 634 680 726 816 115.73 163.85 1.612502 04/07/2025 576 597 606 624 677 722 817 117.61 166.45 1.878787 04/08/2025 577 594 605 622 670 718 800 119.85 169.59 2.232925 04/09/2025 577 595 605 625 664 719 804 122.50 172.48 2.658138 04/10/2025 577 594 604 627 658 718 803 125.83 175.32 3.323850 04/11/2025 578 595 604 626 661 716 810 129.86 178.25 4.034274 04/12/2025 576 590 598 622 658 715 810 134.20 181.60 4.337998 04/13/2025 583 600 608 622 674 719 826 138.81 184.75 4.612465 04/14/2025 587 598 608 624 669 722 835 143.57 187.93 4.756598 04/15/2025 587 596 605 627 668 726 804 148.35 191.11 4.780400 04/16/2025 581 588 603 621 658 719 796 153.02 194.19 4.676018 04/17/2025 577 582 597 610 655 715 733 157.15 197.31 4.127416 04/18/2025 574 581 594 608 635 688 732 161.14 200.59 3.991215 04/19/2025 577 581 593 609 641 684 732 165.05 203.99 3.908403 04/20/2025 576 581 591 610 638 685 740 168.69 207.40 3.636664 04/21/2025 575 580 590 605 625 680 732 173.15 210.95 4.464031 04/22/2025 577 578 593 605 631 676 734 178.44 214.64 5.288094 04/23/2025 579 586 597 610 635 685 738 184.02 218.50 5.582065 04/24/2025 580 589 607 625 643 698 753 189.35 222.41 5.329085 04/25/2025 583 588 606 618 643 683 743 194.00 226.53 4.650399 04/26/2025 589 597 613 627 661 681 761 198.14 230.86 4.141217 04/27/2025 589 598 611 626 655 693 768 201.76 235.48 3.615341 04/28/2025 595 602 620 632 661 704 768 204.75 240.35 2.988059 04/29/2025 596 605 627 643 673 720 798 207.50 245.25 2.755661 04/30/2025 593 602 618 646 674 704 767 210.65 250.57 3.145500 05/01/2025 586 603 611 636 658 687 742 214.85 256.17 4.201466 05/02/2025 593 598 614 634 657 685 726 219.71 261.95 4.861559 05/03/2025 580 595 606 628 646 667 729 226.14 267.68 6.425632 05/04/2025 582 592 603 617 637 662 693 232.48 273.53 6.340258 05/05/2025 582 592 607 619 635 672 686 237.26 279.25 4.781475 05/06/2025 579 592 600 614 629 651 686 242.45 285.43 5.192968 05/07/2025 579 592 600 615 630 653 687 248.24 291.61 5.793060 05/08/2025 590 593 601 616 634 651 695 254.62 297.94 6.375796 05/09/2025 588 596 601 612 632 645 691 262.56 304.13 7.940363 05/10/2025 579 593 599 609 621 638 693 272.52 310.45 9.956922 05/11/2025 578 589 592 602 614 633 687 284.08 316.75 11.565045 05/12/2025 584 591 596 605 611 637 694 296.14 323.28 12.059845 05/13/2025 593 597 604 611 629 647 708 305.03 329.91 8.890212 05/14/2025 580 588 596 602 610 626 689 310.87 336.72 5.834382 # # -----------------------------------------------------------------------------------------------------------------------
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ323) |
| Today: Not as cool. Sunny until late afternoon then becoming partly sunny. Highs 39 to 53. West winds up to 10 mph with gusts to around 25 mph. Tonight: Mostly cloudy in the evening then clearing. Lows 24 to 38. North winds up to 10 mph shifting to the east after midnight. Thursday: Not as cool. Sunny. Highs 46 to 60. South winds up to 5 mph shifting to the west with gusts to around 25 mph in the afternoon. Thursday Night: Mostly cloudy. Lows 29 to 43. West winds 5 to 10 mph with gusts to around 30 mph shifting to the east after midnight. Friday: Partly sunny. Highs 47 to 61. Southwest winds up to 10 mph. Gusts up to 25 mph in the afternoon. Friday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 29 to 43. Saturday: Partly sunny. Highs 38 to 52. Saturday Night: Colder. Mostly cloudy with chance of snow and rain in the evening, then partly cloudy with chance of snow after midnight. Lows 23 to 35. Chance of precipitation 40 percent. Sunday: Mostly sunny. Highs 38 to 52. Sunday Night: Partly cloudy in the evening then becoming clear. Lows 22 to 36. Monday and Monday Night: Clear. Highs 48 to 62. Lows 29 to 43. Tuesday: Warmer, sunny. Highs 53 to 67. |