National Weather Service United States Department of Commerce

Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Rochester Heating Degree Days

This data is unofficial. For official data, visit NCEI

SEASON JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANNUAL
2000-01 23 35 178 404 793 1308 1186 1014 1067 522 192 63 6785
2001-02 24 3 152 391 529 896 999 921 919 521 372 63 5790
2002-03 2 4 45 482 728 1125 1445 1229 951 646 298 76 7031
2003-04 0 15 101 510 678 1006 1475 1153 811 574 220 120 6663
2004-05 10 33 74 453 708 1098 1334 1091 1085 562 388 37 6873
2005-06 2 1 31 377 634 1138 908 1019 892 502 229 35 5787
2006-07 0 14 109 440 566 798 1077 1246 913 608 229 33 6033
2007-08 10 12 85 242 785 1102 1065 1113 1030 386 317 23 6170
2008-09 1 21 115 471 761 1060 1414 1001 896 556 259 81 6636
2009-10 32 22 139 514 686 1141 1259 1098 770 382 204 46 6293
2010-11 6 9 150 435 742 1198 1331 1125 960 556 232 30 6774
2011-12 0 9 86 411 565 914 1071 956 545 576 127 46 5306
2012-13 0 7 145 374 763 887 1069 1063 971 545 174 58 6056
2013-14 8 10 172 365 817 1125 1371 1217 1148 562 191 29 7015
2014-15 7 18 124 348 783 940 1402 1472 1078 514 128 57 6871
2015-16 11 8 49 427 545 699 1159 1019 762 674 255 47 5655
2016-17 0 0 51 342 585 1035 1036 819 988 411 265 45 5577
2017-18 2 25 92 243 729 1202 1233 871 1011 718 89 32 6247
2018-19 0 0 80 456 851 958 1265 1010 969 535 269 48 6441
2019-20 0 5 59 359 893 1035 1046 1048 762 670 359 57 6293
2020-21 0 7 135 432 577 987 1140 1145 790 528 286 23 6050
2021-22 9 2 63 237 722 868 1407 1084  848 551 192 35 6017
2022-23 1 0 118 440 644 1015 992 925 923 447 297 54 5856
2023-24 0 7 84 324 738 768 1073 871 720 466 101 30 5182
2024-25 0 10 32 348 604 989 1255 1085 745 511 270 27 5876
2025-26 3 41 64                    
SEASON JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANNUAL
1990-91 7 6 171 406 669 959 1230 957 862 458 170 29 5924
1991-92 2 1 196 408 776 1057 1195 1088 1069 621 259 89 6761
1992-93 26 46 172 571 774 1071 1158 1289 1077 538 263 66 7051
1993-94 0 10 214 525 775 1127 1550 1221 1015 505 345 56 7343
1994-95 1 16 106 386 568 928 1015 1147 811 694 239 33 5944
1995-96 13 7 162 300 885 1224 1271 1163 1086 647 347 16 7121
1996-97 19 6 140 421 915 968 1255 960 989 628 448 45 6794
1997-98 32 29 181 492 822 1041 1029 901 837 513 109 99 6085
1998-99 4 14 115 424 690 935 1295 955 1054 583 194 57 6320
1999-00 2 25 100 431 595 1008 1289 1003 732 591 211 75 6062
SEASON JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANNUAL
1980-81 1 0 108 498 782 1243 1522 908 938 507 260 26 6793
1981-82 6 12 201 546 748 1119 1510 1171 972 648 162 67 7162
1982-83 10 54 113 377 643 847 1161 998 854 627 347 78 6109
1983-84 9 8 121 387 723 1228 1376 917 1187 520 395 50 6921
1984-85 14 7 162 307 724 897 1330 1097 869 471 217 119 6214
1985-86 15 23 121 429 700 1231 1235 1129 864 506 206 100 6559
1986-87 16 62 175 462 840 1026 1223 1153 858 454 234 39 6542
1987-88 7 50 139 547 722 997 1232 1192 933 594 220 126 6759
1988-89 6 40 164 596 664 1095 1070 1184 1009 682 288 33 6831
1989-90 0 33 149 383 801 1478 967 993 853 520 327 46 6550
SEASON JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANNUAL
1970-71 3 11 126 349 699 1218 1405 1059 1122 707 342 49 7090
1971-72 17 33 74 194 792 1048 1200 1199 1071 677 161 78 6544
1972-73 7 24 92 534 833 982 1118 1189 690 519 279 17 6284
1973-74 2 14 162 305 653 1040 1167 1187 983 475 352 59 6399
1974-75 1 1 209 535 755 1034 1096 1017 1031 764 139 52 6634
1975-76 4 14 194 365 525 1146 1395 914 858 507 300 35 6257
1976-77 11 27 173 538 879 1279 1524 1103 777 523 204 89 7127
1977-78 9 44 113 477 634 1127 1298 1360 1087 634 220 63 7066
1978-79 5 1 136 428 711 1077 1342 1432 813 626 310 79 6960
1979-80 13 37 155 468 655 1006 1264 1306 1003 510 195 125 6737
SEASON JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANNUAL
1960-61 22 24 83 452 647 1280 1410 1045 945 692 366 64 7030
1961-62 28 21 82 302 728 1092 1296 1215 969 589 181 52 6555
1962-63 10 21 209 409 836 1202 1412 1309 902 556 332 51 7249
1963-64 24 52 253 247 615 1335 1132 1181 939 526 187 98 6589
1964-65 3 48 169 500 674 1090 1337 1096 1095 706 192 114 7024
1965-66 24 53 122 496 748 937 1307 1098 871 612 382 57 6707
1966-67 0 16 190 458 639 1053 1046 1216 998 551 486 8 6661
1967-68 25 28 164 401 856 1005 1399 1275 894 463 357 78 6945
1968-69 15 36 67 369 710 1150 1229 1087 1013 517 302 86 6581
1969-70 18 10 126 437 737 1231 1448 1149 1053 506 209 49 6973
SEASON JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANNUAL
1950-51 9 20 169 349 754 1191 1158 1082 908 573 237 53 6503
1951-52 7 28 150 365 915 1078 1149 1050 976 478 324 45 6565
1952-53 1 13 109 548 659 974 1058 968 865 603 254 51 6103
1953-54 14 18 152 367 624 954 1310 913 1013 534 330 48 6277
1954-55 9 37 157 359 701 1152 1282 1092 984 420 205 35 6433
1955-56 0 9 169 357 812 1251 1296 1101 1118 677 407 72 7269
1956-57 19 27 239 342 715 993 1408 979 944 520 311 48 6545
1957-58 17 49 158 477 721 948 1268 1269 965 509 337 131 6849
1958-59 5 31 139 428 700 1344 1327 1182 1072 545 235 67 7075
1959-60 0 3 126 407 806 1052 1244 1122 1313 491 212 56 6832
SEASON JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANNUAL
1947-48 20 8 173 202 829 1186 1442 1213 958 488 367 75 6961
1948-49 1 19 114 494 564 1053 1077 960 956 570 236 49 6093
1949-50 0 11 209 315 822 1026 978 1132 1148 716 253 72 6682