COLD BAY WB AIRPORT, ALASKA

Monthly Total Heating Degree Days

(502102)

Base Temperature = 65 F

File last updated on Jun 7, 2013
*** Note *** Provisional Data *** After Year/Month 201305
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
1950 0.00 z 0.00 z 985.80 a 961.00 829.00 629.00 469.00 381.00 541.50 761.50 958.00 1179.50 7695.30
1951 1194.00 888.00 1130.00 883.50 731.50 564.00 456.50 439.50 552.50 744.50 905.50 1016.00 9505.50
1952 1021.50 1082.50 1114.50 1069.00 825.50 625.00 531.50 491.00 578.50 746.00 877.00 1258.50 10220.50
1953 1219.00 1104.50 1218.00 915.50 794.00 544.50 382.00 368.50 556.50 874.72 a 0.00 z 0.00 z 7977.22
1954 822.50 j 1242.37 a 1060.00 971.50 797.00 0.00 z 485.50 424.00 476.00 718.00 853.50 1229.00 8256.87
1955 1085.00 951.50 1039.50 984.50 823.50 653.50 480.50 478.00 565.50 906.50 902.00 1114.50 9984.50
1956 1451.50 1160.00 1307.00 1043.50 823.00 648.50 472.00 419.00 526.00 807.50 1069.50 1186.50 10914.00
1957 949.50 1027.00 1075.50 871.50 749.50 485.00 457.50 395.00 477.50 669.08 a 811.50 1165.00 9133.58
1958 1214.50 970.00 955.00 821.50 758.47 a 574.29 b 489.50 465.00 522.93 a 764.15 a 940.50 1048.00 9523.83
1959 1124.00 910.00 1415.50 1018.50 748.50 654.00 544.10 b 416.00 525.00 730.50 864.50 1217.30 c 10167.91
1960 1024.00 1017.00 1209.00 a 1176.50 787.00 620.00 416.50 430.00 534.50 755.50 966.50 984.00 9920.50
1961 1030.20 c 1169.00 1258.17 b 958.50 732.00 595.50 477.00 450.50 511.50 814.50 885.00 1199.00 10080.87
1962 1310.50 890.00 1048.50 995.50 831.00 614.00 424.50 401.50 546.00 788.00 875.00 1107.50 9832.00
1963 957.00 1005.00 950.50 962.00 751.50 573.50 446.50 447.00 495.00 832.50 1097.50 1030.50 9548.50
1964 1086.50 1126.00 1108.00 968.50 835.00 558.00 532.50 509.00 538.50 786.50 964.00 1077.00 10089.50
1965 1168.50 1128.50 913.50 893.50 891.00 618.50 506.00 457.50 484.50 879.50 870.00 1134.00 9945.00
1966 1000.00 932.00 1353.00 920.00 856.50 624.00 509.00 494.50 613.00 964.50 983.50 1157.50 10407.50
1967 1193.50 1023.50 946.00 806.50 728.00 547.50 377.00 425.50 560.50 831.00 812.00 1072.00 9323.00
1968 1139.00 1189.50 1073.50 924.00 691.50 587.50 376.50 404.00 545.50 810.00 871.50 1059.50 9672.00
1969 1030.00 1035.50 1008.50 915.00 722.50 544.00 367.00 360.00 445.50 687.00 946.00 1045.50 9106.50
1970 1320.50 1034.50 1031.00 996.00 752.00 518.50 424.50 459.50 545.00 774.00 823.00 1070.00 9748.50
1971 1330.00 1092.50 1390.50 1110.00 952.00 736.00 535.00 511.00 615.00 817.00 980.00 1011.50 11080.50
1972 1173.00 1266.00 1510.50 1066.50 820.00 703.50 509.50 465.50 513.50 782.00 923.50 1075.00 10808.50
1973 1305.00 964.50 1115.50 1004.00 901.00 675.50 544.00 466.00 557.50 824.00 826.50 1084.50 10268.00
1974 1097.00 1287.50 1119.00 985.00 734.00 576.50 468.50 367.35 a 475.00 763.50 924.00 1165.00 9962.35
1975 1258.00 1157.00 1185.00 992.50 825.50 564.50 450.50 387.00 559.50 797.00 1047.50 1151.00 10375.00
1976 1224.00 1192.50 1333.00 1134.00 882.00 611.00 473.00 441.00 592.50 805.50 1036.50 1142.50 10867.50
1977 921.50 882.50 1064.00 1012.50 797.00 463.00 340.50 354.50 448.00 811.50 1014.50 1103.50 9213.00
1978 980.50 1025.50 1059.00 814.50 759.00 542.50 478.50 333.50 488.00 774.00 807.50 923.50 8986.00
1979 927.50 1026.00 918.00 725.50 670.50 434.00 394.00 407.00 479.50 718.50 900.50 1188.50 8789.50
1980 1286.50 1150.50 970.50 882.50 733.00 574.00 377.00 420.50 508.50 767.50 859.00 1022.50 9552.00
1981 1060.00 998.00 904.00 799.50 626.50 521.50 377.50 396.00 507.00 752.00 936.00 1064.00 8942.00
1982 1091.50 1063.00 964.50 987.50 837.00 601.50 566.00 459.50 598.50 854.50 891.50 1069.00 9984.00
1983 1253.50 938.50 976.50 845.50 724.50 499.50 416.50 398.00 532.00 785.50 912.50 852.50 9135.00
1984 1050.50 1344.50 970.50 1002.00 839.00 540.50 474.50 318.00 459.00 751.00 841.00 860.00 9450.50
1985 896.00 1040.00 1081.00 1147.50 830.00 676.50 447.50 442.00 464.50 788.50 782.50 913.00 9509.00
1986 1260.00 1024.50 1179.50 985.50 838.50 609.00 412.00 430.50 457.00 706.00 841.50 950.00 9694.00
1987 1071.50 947.00 974.00 923.00 813.50 616.50 438.50 378.00 544.00 746.00 1051.50 1137.50 9641.00
1988 1048.50 1011.50 1207.00 1019.00 765.50 571.00 435.50 432.50 545.00 759.50 976.50 1057.50 9829.00
1989 1325.00 841.00 1040.50 923.50 756.50 572.00 438.00 362.00 456.00 704.00 987.00 1045.50 9451.00
1990 1073.50 1085.00 1020.00 859.00 734.00 543.00 463.50 398.00 522.50 766.00 912.50 886.50 9263.50
1991 1052.00 1183.50 952.50 882.50 777.00 585.00 441.50 416.50 465.50 713.50 872.00 1094.00 9435.50
1992 1112.00 1149.50 1089.50 957.00 765.00 511.00 469.00 445.50 577.50 808.50 962.50 1011.50 9858.50
1993 1177.00 949.50 988.50 828.50 715.50 534.50 405.00 382.00 479.00 706.00 806.00 1032.50 9004.00
1994 1029.00 942.00 1197.00 941.00 802.50 582.00 443.00 366.50 519.00 806.50 894.00 1091.00 9613.50
1995 1199.00 983.50 1163.00 969.50 761.00 561.50 439.50 451.00 451.50 745.00 987.00 962.50 9674.00
1996 1085.50 1032.50 873.50 877.50 676.00 586.50 435.50 412.00 571.50 784.00 835.00 1089.00 9258.50
1997 1136.00 931.00 1132.00 903.00 647.50 507.50 362.00 304.00 500.50 751.00 885.50 1216.00 9276.00
1998 1255.00 1038.50 911.00 838.00 759.50 527.00 428.50 426.00 551.50 794.50 918.50 1144.00 9592.00
1999 1171.00 1262.50 1233.00 981.50 846.50 605.00 453.00 469.13 a 546.00 864.90 a 976.50 1355.22 a 10764.25
2000 1394.48 a 928.50 1037.50 947.50 822.53 a 545.50 487.50 411.78 a 536.50 775.52 a 846.00 913.00 9646.32
2001 1089.13 a 904.00 1080.00 873.00 868.50 546.21 a 411.00 368.50 530.50 801.50 929.50 1187.82 a 9589.66
2002 1055.50 1084.00 981.00 850.50 684.50 498.00 398.50 377.00 476.00 651.50 790.00 1066.40 a 8912.90
2003 985.50 792.00 1098.00 835.00 693.00 508.50 430.00 362.50 500.50 720.50 838.00 1104.50 8868.00
2004 1222.50 943.00 1127.50 914.00 677.00 509.00 383.00 327.50 480.00 692.50 881.00 1042.00 9199.00
2005 953.50 910.00 970.50 926.50 715.00 514.00 393.00 351.00 470.50 750.50 1049.50 960.00 8964.00
2006 1325.00 993.50 1041.50 979.00 777.50 591.00 422.50 437.50 537.00 731.50 954.50 1231.50 10022.00
2007 1181.00 881.00 1432.50 912.00 841.50 633.00 445.00 355.50 454.14 a 784.00 901.00 1068.00 9888.64
2008 1198.50 1236.00 1238.50 977.50 797.50 593.00 510.50 445.50 530.50 834.00 1052.50 1019.00 10433.00
2009 1255.50 987.00 1216.00 972.00 769.50 539.00 448.50 451.00 526.50 720.00 994.50 946.50 9826.00
2010 1147.50 1072.50 1372.50 1040.50 815.00 615.50 479.00 436.00 460.50 787.50 920.50 1145.00 10292.00
2011 1069.50 957.00 1071.00 957.50 728.50 570.50 502.50 416.00 566.50 737.50 947.00 1108.50 9632.00
2012 1463.72 a 1041.31 b 1393.00 1032.00 884.00 632.50 515.50 428.00 596.50 761.10 b 1039.62 d 1114.00 10901.25
2013 996.00 982.92 d 1061.50 940.86 a 667.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3981.28
Period of Record Statistics
MEAN 1140.41 1038.24 1106.94 947.05 779.71 575.90 450.30 414.67 520.50 775.25 919.49 1079.93 9742.93
S.D. 132.60 118.58 148.63 87.17 66.26 57.59 50.86 46.47 44.49 56.45 77.01 100.84 564.09
SKEW 0.34 0.49 0.78 0.20 0.03 0.22 0.09 -0.19 0.09 0.61 0.32 -0.08 0.50
MAX 1463.72 1344.50 1510.50 1176.50 952.00 736.00 566.00 511.00 615.00 964.50 1097.50 1355.22 11080.50
MIN 896.00 792.00 873.50 725.50 626.50 434.00 340.50 304.00 445.50 651.50 782.50 852.50 8789.50
NO YRS 62 63 64 64 63 62 63 63 63 63 62 62 60