Heating Degree Days 1997
Month Allentown Normal Allentown 1997 Erie Normal Erie 1997 Harrisburg Normal Harrisburg 1997 Philadelphia Normal Philadelphia 1997 Pittsburgh Normal Pittsburgh 1997 Scranton Normal Scranton 1997 State College Normal State College 1997 Williamsport Normal Williamsport 1997
January 1153 1169 1228 1206 1128 1083 1128 999 1206 1136 1249 1222 1212 1215 1234 1218
February 997 816 1098 1098 944 741 944 695 1016 832 1070 893 1053 888 1063 886
March 834 803 902 870 738 688 738 646 794 755 871 866 890 843 834 823
April 453 513 567 638 402 410 402 401 462 554 510 577 495 558 477 532
May 190 282 268 430 147 175 147 172 214 330 217 327 216 336 200 323
June 21 54 52 57 9 32 9 42 36 35 38 60 34 51 30 44
July 0 2 0 20 0 2 0 2 6 3 0 4 7 22 0 5
August 6 8 12 14 0 1 0 0 14 29 11 24 10 29 9 14
September 85 116 86 111 59 46 59 45 100 109 109 150 113 135 106 108
October 344 395 370 389 329 318 329 278 400 401 423 466 412 447 408 424
November 681 766 654 750 618 696 618 612 681 772 708 828 723 799 696 823
December 1063 966 1039 957 973 892 973 811 1039 973 1085 1036 1082 973 1057 1000
Cooling Degree Days 1997
Month Allentown Normal Allentown 1997 Erie Normal Erie 1997 Harrisburg Normal Harrisburg 1997 Philadelphia Normal Philadelphia 1997 Pittsburgh Normal Pittsburgh 1997 Scranton Normal Scranton 1997 State College Normal State College 1997 Williamsport Normal Williamsport 1997
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 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0
May 38 3 17 0 48 14 48 9 44 4 25 4 30 0 29 0
June 156 148 97 119 186 230 186 230 123 134 104 97 0 136 114 134
July 282 228 199 156 332 365 332 388 227 209 210 169 208 181 229 215
August 214 122 171 105 285 278 285 273 184 124 163 96 165 98 189 135
September 76 35 59 30 101 117 101 113 67 29 37 16 47 xxx 61 34
October 6 10 7 33 10 50 10 49 9 24 0 11 0 22 0 11
November 0 0 0 0 0 0 0 0 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