SKAGWAY 2, ALASKA

Monthly Total Heating Degree Days

(508528)

Base Temperature = 65 F

File last updated on Jun 7, 2013
*** Note *** Provisional Data *** After Year/Month 201012
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
1965 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 188.00 216.50 365.00 683.00 1070.50 1219.00 3742.00
1966 1767.00 1009.50 1066.50 706.50 602.00 256.00 171.00 261.50 412.50 803.50 1166.50 1287.50 9510.00
1967 1369.00 1034.50 1191.43 a 747.00 491.00 209.50 213.12 c 215.00 383.50 666.50 949.50 1178.00 8648.06
1968 1429.50 1049.00 895.00 743.50 406.00 243.50 114.50 208.00 440.50 759.50 917.00 1457.00 8663.00
1969 1859.00 1168.00 956.00 676.50 426.00 190.50 232.00 334.28 a 355.50 576.00 972.50 987.00 8733.28
1970 1313.50 767.00 814.50 682.50 500.50 296.50 275.50 316.50 484.50 748.65 a 1030.50 1359.50 8589.65
1971 1727.73 a 962.77 b 1114.00 750.00 593.50 239.50 163.00 229.50 441.00 764.00 1047.50 1430.13 a 9462.64
1972 1627.50 1357.50 1168.50 855.00 552.50 339.00 128.50 245.50 0.00 z 0.00 z 0.00 z 0.00 z 6274.00
1973 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1974 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1975 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1976 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1977 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1978 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1979 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1981 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 428.50 615.00 847.76 a 741.50 m 1891.26
1982 1748.00 1218.00 a 999.50 766.00 539.00 217.00 140.53 a 222.68 a 376.00 717.13 a 1071.50 1068.00 9083.35
1983 1274.50 921.85 b 909.00 661.00 421.50 220.50 189.00 300.00 527.50 749.00 1048.50 1387.25 a 8609.60
1984 1143.38 a 901.00 768.00 664.50 474.50 324.00 286.20 c 317.50 420.50 746.50 1040.00 1358.83 a 8444.91
1985 901.58 a 1150.00 922.50 752.00 474.00 320.00 184.00 221.50 398.57 b 763.00 1325.00 1023.50 8435.65
1986 999.50 1015.00 943.00 830.69 a 490.50 199.00 g 174.00 297.00 412.76 a 581.50 1077.00 929.50 7750.45
1987 1055.03 a 919.50 0.00 z 0.00 z 488.00 375.00 188.58 a 235.00 339.50 i 666.00 860.00 751.50 g 4787.12
1988 903.00 h 1080.25 a 866.00 686.50 500.13 a 294.50 364.00 329.67 e 470.00 666.50 921.50 1058.50 7237.56
1989 1388.50 1132.00 1107.00 607.50 427.00 259.66 a 135.88 a 189.58 e 0.00 z 752.50 819.00 h 942.29 b 6941.91
1990 1293.45 b 1277.00 883.50 598.89 c 399.50 142.00 k 127.62 a 181.02 c 208.50 l 643.00 f 1333.97 a 1391.50 7486.44
1991 1321.00 839.46 b 987.00 0.00 z 471.00 272.50 206.50 277.00 418.50 758.50 947.59 a 1086.50 7585.55
1992 980.00 1048.50 897.00 0.00 z 526.00 260.89 b 209.00 287.50 563.33 c 775.00 863.00 1309.75 a 7719.98
1993 1342.00 1014.50 905.41 b 388.00 k 321.62 c 183.00 105.83 b 197.00 365.00 612.77 a 889.50 957.68 c 6894.31
1994 1311.50 1422.50 886.00 622.78 c 256.00 j 215.50 139.00 117.00 425.00 669.00 1168.00 1240.00 8216.28
1995 853.50 h 1072.00 606.50 m 669.60 e 334.91 c 250.71 b 157.50 224.00 285.50 644.59 b 832.00 h 1313.50 4952.31
1996 1704.48 a 1080.50 984.50 711.00 e 117.00 w 240.50 118.50 162.00 j 0.00 z 0.00 z 0.00 z 0.00 z 4839.48
1997 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 207.50 200.00 193.50 366.50 0.00 z 0.00 z 904.50 1872.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 524.79 c 0.00 z 0.00 z 0.00 z 0.00 z 692.33 a 986.00 0.00 z 2203.12
1999 0.00 z 0.00 z 1109.44 e 0.00 z 537.50 0.00 z 175.50 260.00 471.72 a 717.65 a 954.50 856.00 f 4226.32
2000 1364.50 0.00 z 0.00 z 0.00 z 639.93 c 278.57 b 264.02 a 274.35 a 474.50 0.00 z 908.00 1159.40 a 5363.27
2001 962.00 1091.00 1039.61 c 0.00 z 559.55 a 260.17 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3912.33
2002 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2003 0.00 z 918.50 1048.50 653.00 514.50 292.00 173.50 254.50 426.00 618.50 1049.50 1068.00 7016.50
2004 1340.50 817.00 102.50 z 681.50 388.00 204.00 182.50 203.00 454.50 705.50 821.50 1032.50 6830.50
2005 1310.50 1018.00 851.00 598.50 374.00 266.50 239.00 242.50 411.50 685.50 910.50 979.50 7887.00
2006 1179.50 1028.50 1154.50 737.00 517.50 310.50 260.00 308.50 429.00 669.50 1390.00 1001.00 8985.50
2007 1081.50 1192.50 1195.50 756.50 544.50 311.50 287.00 257.50 437.00 701.50 851.50 1253.50 8870.00
2008 1315.00 1112.50 944.00 750.00 521.00 390.50 342.00 348.50 445.50 725.50 888.50 1336.50 9119.50
2009 1377.50 1120.50 1104.00 755.50 483.00 287.50 156.00 284.50 432.00 651.50 913.00 1141.50 8706.50
2010 1135.50 838.00 889.00 678.00 437.50 312.50 291.50 260.50 408.00 646.50 903.50 1331.50 8132.00
Period of Record Statistics
MEAN 1331.82 1050.87 986.20 705.44 483.78 268.69 199.49 251.84 424.33 694.58 1003.99 1173.09 8742.54
S.D. 256.35 151.32 119.23 65.46 74.88 51.78 65.15 51.80 53.31 59.57 146.64 170.67 430.98
SKEW 0.38 0.36 0.24 0.27 -0.25 0.41 0.76 -0.19 0.13 -0.21 1.17 0.02 0.02
MAX 1859.00 1422.50 1195.50 855.00 639.93 390.50 364.00 348.50 563.33 803.50 1390.00 1457.00 9510.00
MIN 901.58 767.00 768.00 598.50 321.62 183.00 105.83 117.00 285.50 576.00 821.50 904.50 7887.00
NO YRS 29 31 29 26 32 31 34 33 30 31 31 30 16