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| 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 15 2025 at 8:10 AM PDT |
# Tabular Water Year Trend Plot for HETC1 # # File Generation Time: 05/15/2025 08:10 AM PDT # Interval: 1 Day # # Latest Forecast Water Year Volume Forecast: 601 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 11.565209 05/12/2025 584 591 596 605 611 637 694 296.19 323.28 12.105548 05/13/2025 593 597 604 611 629 647 708 305.23 329.91 9.037653 05/14/2025 580 588 596 602 610 626 689 311.00 336.72 5.774381 05/15/2025 575 589 594 601 610 622 678 315.29 343.75 4.288079 # # -----------------------------------------------------------------------------------------------------------------------
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ323) |
| Today: Not as cool. Sunny. Highs 46 to 60. Southwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. Tonight: Partly cloudy in the evening then becoming mostly cloudy. Lows 29 to 43. West winds up to 10 mph with gusts to around 25 mph shifting to the southeast after midnight. Friday: Mostly sunny. Highs 48 to 62. South winds up to 5 mph shifting to the west in the afternoon. Friday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 29 to 43. West winds up to 10 mph. Saturday: Partly sunny. A 50 percent chance of rain and snow in the afternoon. Highs 38 to 52. Southwest winds 5 to 10 mph with gusts to around 35 mph increasing to 15 to 20 mph with gusts to around 55 mph in the afternoon. Saturday Night: Colder. Mostly cloudy with chance of snow and rain in the evening, then partly cloudy after midnight. Lows 23 to 35. Chance of precipitation 50 percent. Sunday: Mostly sunny. Chance of snow showers in the afternoon. Highs 39 to 53. Chance of snow 30 percent. Sunday Night: Partly cloudy. Lows 23 to 37. Monday through Tuesday Night: Clear. Highs 49 to 67. Lows 29 to 47. Wednesday: Sunny. Highs 56 to 70. |