Heating Degree Days 2001
Month Allentown Normal Allentown 2001 Erie Normal Erie 2001 Harrisburg Normal Harrisburg 2001 Philadelphia Normal Philadelphia 2001 Pittsburgh Normal Pittsburgh 2001 Scranton Normal Scranton 2001 State College Normal State College 2001 Williamsport Normal Williamsport 2001
January 1153 1168 1228 1152 1128 1024 1128 969 1206 1123 1249 1180 1212 1185 1234 1157
February 997 934 1098 956 944 836 944 766 1016 833 1070 969 1053 917 1063 914
March 834 878 902 1004 738 826 738 734 794 912 871 982 890 976 834 918
April 453 434 567 486 402 402 402 320 462 350 510 490 495 470 477 447
May 183 164 269 185 147 112 123 74 214 171 217 187 216 175 200 147
June 21 28 52 68 9 16 9 4 36 43 38 45 34 43 30 28
July 0 15 0 0 0 1 0 0 6 17 0 28 9 17 0 10
August 6 0 12 1 0 0 0 0 14 2 11 0 22 0 9 1
September 85 119 86 155 59 82 59 48 100 125 109 156 113 141 106 122
October 344 357 370 337 329 288 329 211 400 341 423 369 412 392 408 370
November 681 533 654 469 618 477 618 357 681 497 708 537 723 540 696 559
December 1063 882 1039 853 973 774 973 651 1039 846 1085 1178 1082 843 1057 875
Cooling Degree Days 2001
Month Allentown Normal Allentown 2001 Erie Normal Erie 2001 Harrisburg Normal Harrisburg 2001 Philadelphia Normal Philadelphia 2001 Pittsburgh Normal Pittsburgh 2001 Scranton Normal Scranton 2001 State College Normal State College 2001 Williamsport Normal Williamsport 2001
January 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
February 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
March 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
April 0 10 0 13 0 5 0 22 0 34 0 6 0 9 0 5
May 38 34 17 24 48 39 48 72 44 20 25 25 30 31 29 35
June 156 172 97 135 186 250 186 316 123 152 104 156 109 156 114 181
July 282 144 199 9 332 260 332 330 227 184 210 136 208 152 229 166
August 214 275 171 224 285 371 285 468 184 258 163 258 165 245 189 291
September 76 44 59 52 101 94 101 158 67 45 37 24 47 35 61 31
October 6 3 7 11 10 8 10 37 9 12 0 2 0 9 0 5
November 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
December 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0