Heizgradtage 2001 - Ausgewählte Monatswerte
| Station | Jan. | Feb. | März | Apr. | Mai | Juni | Juli | Aug. | Sept. | Okt. | Nov. | Dez. |
| Adelboden | 656 | 557 | 474 | 524 | 202 | 217 | 88 | 39 | 376 | 235 | 603 | 740 |
| Aigle | 498 | 412 | 323 | 328 | 0 | 9 | 0 | 0 | 83 | 82 | 473 | 619 |
| Altdorf | 513 | 432 | 344 | 348 | 36 | 38 | 0 | 0 | 133 | 105 | 489 | 615 |
| Basel-Binningen | 510 | 427 | 328 | 318 | 50 | 28 | 0 | 0 | 102 | 42 | 490 | 592 |
| Bern-Liebefeld | 574 | 475 | 375 | 368 | 39 | 28 | 0 | 0 | 135 | 85 | 508 | 620 |
| Buchs-Suhr | 567 | 462 | 384 | 351 | 38 | 29 | 0 | 0 | 136 | 72 | 496 | 599 |
| La Chaux-de-Fonds | 611 | 554 | 481 | 494 | 147 | 156 | 47 | 27 | 340 | 196 | 586 | 714 |
| Chur | 541 | 465 | 346 | 362 | 27 | 49 | 0 | 0 | 149 | 93 | 527 | 668 |
| Cimetta | 718 | 578 | 578 | 554 | 297 | 224 | 87 | 28 | 395 | 296 | 531 | 699 |
| Davos-Dorf | 745 | 651 | 573 | 582 | 300 | 282 | 120 | 107 | 434 | 366 | 644 | 829 |
| Disentis | 641 | 562 | 483 | 492 | 150 | 161 | 59 | 26 | 345 | 194 | 579 | 740 |
| La Dôle | 692 | 621 | 590 | 620 | 342 | 292 | 175 | 137 | 454 | 319 | 621 | 773 |
| Engelberg | 662 | 552 | 479 | 486 | 162 | 192 | 48 | 27 | 346 | 215 | 612 | 759 |
| Fahy-Boncourt | 548 | 477 | 407 | 406 | 89 | 81 | 25 | 0 | 219 | 99 | 530 | 647 |
| Gd-St-Bernard | 865 | 760 | 730 | 746 | 532 | 461 | 374 | 280 | 581 | 494 | 719 | 864 |
| Genève-Cointrin | 515 | 424 | 327 | 305 | 16 | 9 | 0 | 0 | 74 | 52 | 471 | 571 |
| Glarus | 571 | 460 | 401 | 395 | 29 | 68 | 8 | 0 | 195 | 114 | 528 | 668 |
| Gütsch ob Andermatt | 822 | 726 | 708 | 717 | 492 | 449 | 356 | 244 | 561 | 448 | 683 | 841 |
| Güttingen | 576 | 471 | 404 | 376 | 38 | 30 | 0 | 0 | 162 | 136 | 507 | 613 |
| Interlaken | 582 | 485 | 374 | 394 | 29 | 57 | 0 | 0 | 202 | 135 | 520 | 656 |
| Jungfraujoch Sphinx | 1009 | 939 | 943 | 938 | 711 | 700 | 622 | 577 | 794 | 686 | 894 | 1055 |
| Locarno-Monti | 523 | 363 | 277 | 179 | 0 | 0 | 0 | 0 | 18 | 50 | 360 | 537 |
| Lugano | 507 | 378 | 319 | 185 | 0 | 0 | 0 | 0 | 8 | 25 | 349 | 528 |
| Luzern | 568 | 461 | 366 | 362 | 38 | 38 | 0 | 0 | 141 | 96 | 495 | 600 |
| Moléson | 720 | 648 | 631 | 661 | 397 | 374 | 225 | 183 | 506 | 358 | 633 | 772 |
| Montana | 673 | 571 | 536 | 528 | 208 | 223 | 91 | 46 | 376 | 232 | 575 | 717 |
| Napf | 669 | 589 | 552 | 565 | 266 | 247 | 124 | 79 | 410 | 223 | 622 | 766 |
| Neuchâtel | 541 | 447 | 370 | 331 | 37 | 10 | 0 | 0 | 125 | 62 | 484 | 589 |
| Payerne | 568 | 470 | 367 | 358 | 46 | 19 | 0 | 0 | 150 | 100 | 507 | 610 |
| Pilatus | 745 | 674 | 657 | 685 | 431 | 415 | 273 | 212 | 532 | 374 | 653 | 806 |
| Pully | 508 | 422 | 340 | 335 | 26 | 9 | 0 | 0 | 67 | 9 | 465 | 583 |
| Robbia | 696 | 550 | 488 | 433 | 152 | 108 | 0 | 9 | 271 | 314 | 519 | 700 |
| Rünenberg | 562 | 473 | 401 | 391 | 63 | 69 | 8 | 0 | 180 | 38 | 520 | 633 |
| Samedan-Flugplatz | 866 | 737 | 623 | 604 | 343 | 300 | 127 | 107 | 445 | 448 | 677 | 881 |
| San Bernardino | 783 | 650 | 623 | 591 | 356 | 257 | 103 | 71 | 420 | 381 | 587 | 751 |
| Säntis | 833 | 763 | 745 | 762 | 529 | 532 | 410 | 339 | 615 | 489 | 727 | 897 |
| Schaffhausen | 588 | 477 | 409 | 372 | 38 | 38 | 0 | 0 | 181 | 135 | 510 | 621 |
| Scuol | 749 | 625 | 522 | 496 | 192 | 193 | 58 | 45 | 371 | 348 | 617 | 791 |
| Sion | 561 | 457 | 338 | 318 | 0 | 10 | 0 | 0 | 83 | 92 | 510 | 672 |
| St. Gallen | 595 | 488 | 439 | 422 | 76 | 100 | 18 | 0 | 245 | 95 | 561 | 677 |
| Stabio | 568 | 427 | 362 | 254 | 0 | 0 | 0 | 0 | 27 | 73 | 446 | 639 |
| Tänikon | 597 | 484 | 401 | 392 | 58 | 40 | 8 | 0 | 201 | 177 | 533 | 639 |
| Vaduz | 502 | 418 | 320 | 327 | 27 | 31 | 0 | 0 | 145 | 44 | 523 | 652 |
| Visp | 574 | 476 | 354 | 343 | 0 | 10 | 0 | 0 | 121 | 102 | 540 | 718 |
| Wädenswil | 562 | 457 | 386 | 369 | 39 | 29 | 0 | 0 | 153 | 81 | 499 | 616 |
| Weissfluhjoch | 863 | 797 | 764 | 795 | 564 | 548 | 439 | 377 | 637 | 509 | 751 | 935 |
| Wynau | 589 | 489 | 407 | 370 | 57 | 29 | 0 | 0 | 172 | 130 | 516 | 616 |
| Zermatt | 738 | 630 | 567 | 549 | 282 | 240 | 106 | 94 | 415 | 365 | 628 | 777 |
| Zürich Kloten | 584 | 475 | 399 | 365 | 30 | 30 | 0 | 0 | 171 | 127 | 512 | 616 |
| Zürich-SMA | 568 | 458 | 399 | 363 | 48 | 55 | 0 | 0 | 164 | 47 | 512 | 624 |
Quelle: MeteoSchweiz