EDGARTOWN, MASSACHUSETTS

Monthly Total Heating Degree Days

(192501)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1946 0.00 z 0.00 z 651.50 579.50 335.50 106.50 10.00 37.50 37.50 235.00 513.50 874.00 3380.50
1947 963.00 987.50 897.50 595.50 340.50 147.50 0.00 2.50 129.50 220.00 703.00 1039.50 6026.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 160.50 2.00 0.50 73.93 b 337.50 459.00 879.50 1912.93
1949 866.50 821.50 840.00 523.50 285.72 a 27.00 0.50 4.00 87.00 260.00 642.50 870.50 5228.72
1950 844.50 1002.50 992.50 665.50 393.50 89.50 4.50 9.00 190.00 331.00 537.00 967.00 6026.50
1951 975.00 906.00 856.00 527.00 309.50 0.00 z 0.00 8.50 77.00 359.00 684.00 930.00 5632.00
1952 1020.00 1007.50 934.00 580.34 a 360.50 45.00 3.00 16.00 113.50 389.00 621.50 920.50 6010.84
1953 959.50 865.00 844.50 569.50 285.00 82.00 14.50 30.50 111.50 354.00 566.00 840.00 5522.00
1954 1130.00 887.50 899.00 626.50 399.00 83.00 19.00 21.50 152.50 301.00 658.00 1011.00 6188.00
1955 1164.50 1009.50 929.50 646.50 357.00 152.00 3.62 a 22.00 132.00 306.50 660.00 1152.50 6535.62
1956 1069.00 936.50 952.73 a 654.00 440.00 94.00 14.00 18.00 145.00 357.50 571.00 816.50 6068.23
1957 1211.00 855.50 814.78 a 542.00 306.90 a 62.00 0.50 18.60 a 84.00 365.00 576.00 807.03 a 5643.32
1958 1035.00 1125.50 838.00 572.00 411.00 160.50 8.27 a 15.50 131.50 429.00 593.00 1182.65 a 6501.92
1959 1158.00 1070.00 940.50 600.50 313.00 153.00 10.00 24.50 120.00 364.00 657.50 957.50 6368.50
1960 1116.00 916.50 1107.00 628.50 335.50 92.00 12.50 34.00 144.50 427.00 643.00 1204.00 6660.50
1961 1307.50 1082.50 957.50 684.00 389.00 83.50 8.50 10.50 32.00 285.50 587.00 945.50 6373.00
1962 1076.50 1018.50 863.50 544.50 370.97 a 88.00 27.50 22.00 137.50 391.50 676.00 1026.50 6242.97
1963 1128.50 1075.50 845.50 588.50 365.00 80.50 6.50 14.50 178.50 290.00 529.50 1124.50 6227.00
1964 1062.50 1049.00 867.00 649.00 296.50 85.50 12.00 37.50 113.50 362.18 a 603.50 914.50 6052.68
1965 1172.32 a 1018.50 906.00 684.50 295.00 92.50 2.00 20.50 132.50 419.50 666.50 954.50 6364.32
1966 1099.00 963.00 840.00 660.00 393.00 84.50 2.50 1.55 a 144.00 391.50 555.50 919.00 6053.55
1967 939.50 1032.00 1003.50 682.00 489.00 89.50 9.00 15.00 120.50 338.50 710.17 a 915.00 6343.67
1968 1218.50 1147.50 851.00 535.00 347.50 108.50 5.00 21.50 47.50 247.00 614.00 1054.50 6197.50
1969 1081.50 944.00 896.00 571.00 332.00 69.50 19.00 6.50 78.50 350.00 596.50 999.23 a 5943.73
1970 1307.00 981.00 907.50 567.50 290.50 74.50 2.50 1.50 83.50 295.03 b 565.00 989.50 6065.03
1971 1221.00 972.00 872.00 652.50 350.50 84.50 3.00 15.00 39.00 188.50 657.00 858.00 5913.00
1972 995.50 1045.00 886.00 712.00 332.00 80.00 15.50 12.50 57.50 435.00 674.50 822.50 6068.00
1973 1017.00 976.50 731.00 530.00 337.00 38.50 1.50 2.50 108.00 305.50 632.00 817.50 5497.00
1974 991.50 970.00 837.50 555.50 355.50 101.00 1.00 0.00 58.00 429.50 574.50 885.00 5759.00
1975 925.00 924.00 902.00 689.50 250.50 63.50 3.50 2.00 102.00 249.00 490.50 900.50 5502.00
1976 1160.00 866.00 791.00 464.50 276.50 59.00 0.50 7.50 104.00 409.00 733.50 1096.50 5968.00
1977 1334.50 1020.00 760.50 534.00 272.00 68.28 a 2.50 4.00 98.50 353.00 549.50 975.50 5972.28
1978 1122.00 1114.00 964.00 613.50 318.50 74.00 18.50 6.50 128.79 a 399.00 589.00 909.50 6257.29
1979 1026.00 1209.00 801.50 567.00 197.50 67.50 9.00 16.50 71.50 353.00 518.00 855.50 5692.00
1980 1060.00 1098.00 920.00 529.50 274.00 108.00 2.00 0.50 78.00 404.55 a 690.50 1085.50 6250.55
1981 1375.00 893.00 900.50 517.50 299.50 15.00 0.00 6.50 83.00 0.00 z 637.00 975.00 5702.00
1982 1272.50 982.07 a 874.50 661.00 327.00 173.00 13.50 45.00 111.50 362.50 507.00 747.50 6077.07
1983 1026.00 926.00 772.00 561.00 328.00 69.50 4.50 15.50 93.50 355.50 556.00 947.00 5654.50
1984 1098.50 811.50 989.50 591.50 270.50 50.50 9.50 3.50 153.50 315.00 553.50 738.00 5585.00
1985 1197.50 917.00 790.50 536.00 256.50 84.00 7.00 10.00 106.00 330.50 493.50 1001.00 5729.50
1986 1014.00 982.50 834.00 532.00 288.00 67.50 20.50 38.00 137.50 378.20 a 661.00 857.50 5810.70
1987 1059.00 1038.50 848.50 545.00 328.50 37.50 7.00 25.50 90.50 411.50 0.00 z 903.00 5294.50
1988 1145.00 932.00 844.00 581.00 331.50 97.24 a 12.00 20.00 120.50 460.50 567.50 952.50 6063.74
1989 972.00 954.59 a 882.00 621.00 264.50 40.50 10.50 12.50 97.00 360.00 618.50 1290.50 6123.59
1990 863.00 856.50 813.00 584.50 352.50 75.50 18.50 1.00 107.50 240.50 524.50 770.50 5207.50
1991 1017.00 811.00 753.50 490.00 203.50 41.00 8.00 3.00 117.50 320.50 602.50 860.00 5227.50
1992 1065.50 966.00 940.50 673.00 376.00 66.00 33.00 3.50 81.00 395.50 619.00 887.00 6106.00
1993 973.50 1012.50 899.00 556.50 244.00 64.50 1.00 2.50 97.50 369.00 576.50 906.50 5703.00
1994 1194.50 1000.50 825.50 491.50 311.00 41.50 0.00 20.50 79.00 335.00 446.50 782.00 5527.50
1995 850.00 957.50 802.50 586.00 328.50 60.50 4.50 4.00 72.00 223.50 656.50 1033.50 5579.00
1996 1041.00 989.00 925.00 559.50 321.00 36.00 1.50 4.50 89.00 360.50 702.00 762.50 5791.50
1997 1035.50 798.50 852.00 578.00 339.50 101.50 1.00 6.00 83.00 369.00 657.00 871.00 5692.00
1998 863.50 764.50 763.00 523.50 234.50 74.50 0.00 6.50 44.50 303.50 615.50 749.00 4942.50
1999 960.50 847.50 796.00 509.00 255.50 30.00 3.50 1.00 29.00 305.00 456.50 807.00 5000.50
2000 1089.50 858.00 676.50 547.00 257.00 76.50 2.50 7.00 82.50 312.00 614.00 1018.50 5541.00
2001 1051.50 852.50 866.50 565.50 233.00 29.00 9.00 1.50 53.50 265.00 442.50 708.00 5077.50
2002 850.50 769.50 730.00 476.50 289.00 88.50 4.50 3.00 28.00 344.50 616.00 923.00 5123.00
2003 1167.50 996.00 834.00 647.50 332.50 98.00 0.00 0.00 22.50 345.50 525.00 866.50 5835.00
2004 1282.00 943.50 814.50 545.50 239.50 75.00 1.00 22.50 40.50 317.00 576.50 872.50 5730.00
2005 1069.00 898.50 908.00 511.50 412.00 58.00 7.50 0.00 28.50 293.00 476.00 912.00 5574.00
2006 816.50 881.50 832.50 478.00 267.50 41.00 0.00 3.50 53.00 309.00 426.50 681.50 4790.50
2007 901.00 1019.50 813.00 611.50 251.00 50.00 1.00 0.50 33.50 201.50 613.00 946.50 5442.00
2008 960.50 872.00 807.00 503.50 320.00 34.50 0.00 1.00 37.50 349.00 621.50 794.50 5301.00
2009 1152.00 869.50 821.50 479.00 255.50 103.00 7.00 0.00 64.50 358.50 420.00 924.00 5454.50
2010 1087.00 908.50 663.00 427.50 186.00 25.00 0.00 1.50 38.00 276.00 570.50 986.50 5169.50
2011 1063.50 904.50 803.00 488.00 245.00 57.00 1.50 0.00 16.50 224.50 412.24 a 681.00 4896.74
2012 856.50 773.50 611.50 420.00 194.00 67.00 0.50 0.00 44.50 87.00 p 0.00 z 0.00 z 2967.50
Period of Record Statistics
MEAN 1063.50 952.07 851.32 571.57 311.32 77.02 6.63 11.20 89.23 334.21 585.57 919.04 5791.45
S.D. 130.14 95.63 85.99 66.62 60.33 34.42 7.08 11.24 40.60 61.83 77.64 122.81 443.19
SKEW 0.20 0.17 -0.19 0.08 0.24 0.82 1.47 1.10 0.16 -0.35 -0.42 0.53 -0.33
MAX 1375.00 1209.00 1107.00 712.00 489.00 173.00 33.00 45.00 190.00 460.50 733.50 1290.50 6660.50
MIN 816.50 764.50 611.50 420.00 186.00 15.00 0.00 0.00 16.50 188.50 412.24 681.00 4790.50
NO YRS 65 65 66 66 66 66 67 67 67 65 65 66 61