YAKUTAT WB AIRPORT, ALASKA

Monthly Total Heating Degree Days

(509941)

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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 455.00 740.00 847.00 1298.50 3340.50
1950 1633.00 1102.00 1039.00 915.50 730.50 447.00 376.50 333.50 525.50 780.00 1153.50 1074.50 10110.50
1951 1314.50 1152.50 1235.50 865.00 683.50 494.50 308.00 338.50 436.50 781.50 972.50 1296.50 9879.00
1952 1484.00 1044.50 1106.00 933.50 772.50 512.50 395.00 337.50 504.50 644.00 779.50 991.50 9505.00
1953 1312.50 898.00 1066.00 770.00 626.50 417.50 310.00 346.50 497.50 718.50 995.00 1014.50 8972.50
1954 1316.00 1176.50 1127.00 1029.50 657.50 442.00 408.50 380.50 477.00 711.50 820.00 1248.00 9794.00
1955 1051.00 1028.00 1116.50 948.00 795.50 553.50 335.00 418.50 547.50 837.00 1182.50 1382.50 10195.50
1956 1250.50 1206.50 1185.50 863.50 741.00 549.00 353.00 376.00 555.50 885.50 894.00 1221.50 10081.50
1957 1274.50 1072.00 990.50 836.00 635.00 398.00 328.08 a 266.50 366.21 a 666.00 785.50 1147.50 8765.79
1958 1017.50 954.00 974.00 726.00 621.50 361.00 305.50 355.50 527.50 784.50 980.00 1056.50 8663.50
1959 1272.00 1035.50 1092.50 832.50 639.50 350.00 387.00 376.00 509.50 759.00 883.00 1000.00 9136.50
1960 1193.50 913.00 1060.50 794.50 580.00 415.50 362.50 380.00 498.00 704.50 934.50 933.00 8769.50
1961 810.50 h 970.00 1026.00 813.50 599.50 420.50 368.50 374.50 504.50 806.00 1050.00 1239.00 8172.00
1962 1185.50 1058.00 1181.50 823.00 699.50 502.50 363.00 319.00 513.50 681.50 886.00 1076.50 9289.50
1963 1057.50 822.00 1046.00 894.50 589.00 501.50 323.00 316.50 388.50 678.00 1067.50 1015.50 8699.50
1964 844.00 h 936.50 1154.50 868.00 739.50 378.00 374.50 366.50 528.00 760.00 1074.00 1525.00 8704.50
1965 1331.50 1224.50 1019.50 877.00 800.50 622.00 457.50 486.00 524.50 783.00 1143.50 1352.50 10622.00
1966 1611.50 1130.50 1268.50 954.50 828.00 493.50 404.00 469.00 545.00 908.00 1225.50 1238.00 11076.00
1967 1432.50 1139.00 1322.50 952.00 699.00 434.50 396.00 379.00 515.00 774.50 970.50 1265.50 10280.00
1968 1453.50 1040.50 1027.50 960.50 708.00 482.00 362.50 385.50 592.50 902.50 982.50 1425.50 10323.00
1969 1806.00 1208.00 1095.50 856.00 662.50 459.00 404.50 512.50 509.50 732.00 980.00 945.00 10170.50
1970 1266.00 882.50 941.00 882.50 711.50 476.50 357.00 385.00 530.00 797.00 1060.00 1413.50 9702.50
1971 1536.00 1121.00 1293.50 988.50 849.50 513.50 384.00 361.50 617.00 806.50 1023.00 1333.00 10827.00
1972 1531.50 1315.50 1243.00 1087.00 776.50 510.50 281.50 351.50 550.00 806.00 921.00 1266.50 10640.50
1973 1386.50 1090.50 1037.50 829.50 665.50 495.50 402.00 303.50 j 568.50 766.00 1199.00 1089.50 9530.00
1974 1499.50 1055.00 1204.50 850.50 660.50 491.00 400.00 355.00 450.00 712.00 893.50 1031.50 9603.00
1975 1285.00 1140.50 1188.50 913.50 686.00 536.00 361.00 409.50 464.50 784.50 1127.50 1264.00 10160.50
1976 1177.50 1200.00 1065.50 865.50 742.50 476.00 330.50 358.50 524.50 763.50 738.00 966.00 9208.00
1977 897.00 760.00 978.00 801.50 674.00 419.00 301.50 300.00 486.50 694.00 1128.50 1439.50 8879.50
1978 1216.00 853.50 958.00 755.00 626.00 451.00 366.50 314.00 495.00 665.00 990.50 1107.00 8797.50
1979 1298.00 1357.50 944.00 837.50 630.50 465.00 291.00 316.50 428.50 617.50 809.50 1168.50 9164.00
1980 1255.50 851.50 923.00 706.00 605.00 405.00 295.00 358.50 449.00 593.50 785.00 1244.50 8471.50
1981 752.00 856.50 792.00 818.50 439.50 383.00 271.50 291.50 467.50 650.00 900.00 1165.50 7787.50
1982 1397.00 1150.50 1083.50 947.50 707.50 482.50 371.50 398.50 480.50 775.50 992.00 1025.00 9811.50
1983 1070.50 894.00 931.50 786.50 601.00 364.50 309.50 336.50 594.50 765.50 1002.50 1328.00 8984.50
1984 1053.00 923.00 844.50 791.00 663.00 494.50 387.50 341.50 491.50 753.50 1002.50 1145.50 8891.00
1985 851.00 1047.00 1009.00 931.00 730.00 553.50 391.00 421.50 533.50 853.50 1333.00 972.00 9626.00
1986 962.50 1007.50 976.00 936.50 664.00 474.00 342.50 407.50 522.00 683.00 982.50 911.00 8869.00
1987 1022.00 877.00 1076.50 787.00 621.50 512.00 352.50 343.00 505.00 692.00 838.00 1085.00 8711.50
1988 1195.00 957.50 923.00 788.50 657.00 437.50 390.00 377.54 c 554.50 693.50 947.50 1119.50 9041.04
1989 1343.00 1252.50 1172.00 783.50 614.00 435.00 315.00 222.00 g 422.00 744.50 1071.50 876.00 9029.00
1990 1204.00 1189.50 944.50 735.00 562.00 358.00 307.50 283.50 415.00 787.50 1221.00 1258.00 9265.50
1991 1296.50 907.50 1088.50 804.50 664.00 406.50 323.50 357.00 434.00 781.00 857.00 956.50 8876.50
1992 953.50 998.00 966.00 789.00 637.00 405.50 318.00 403.50 636.00 865.00 860.00 1249.00 9080.50
1993 1393.00 991.50 995.00 714.00 535.00 368.50 259.00 317.50 491.50 634.50 913.00 987.50 8600.00
1994 1116.50 1226.50 947.50 722.00 638.50 372.50 321.50 288.50 510.50 747.00 1160.50 1225.00 9276.50
1995 1267.50 1046.00 1172.00 753.50 553.50 412.00 326.50 376.00 341.50 726.50 1008.00 1127.50 9110.50
1996 1543.50 1030.50 1014.00 797.00 615.00 424.50 315.50 360.50 568.00 866.50 1061.50 1288.50 9885.00
1997 1170.50 841.00 1066.50 770.50 603.50 360.50 280.00 247.00 428.00 803.00 850.00 963.00 8383.50
1998 1154.00 789.00 945.50 768.50 640.50 427.00 370.00 399.50 537.00 736.00 978.00 1197.00 8942.00
1999 1222.50 1090.50 1093.00 876.00 717.00 423.62 a 352.50 339.00 529.50 750.50 984.00 1055.00 9433.12
2000 1236.50 970.00 971.00 815.00 667.00 442.50 360.00 388.00 523.00 741.00 861.21 a 1003.50 8978.71
2001 892.50 1008.50 999.50 835.00 722.00 414.00 354.50 340.00 499.14 a 785.50 1016.00 1120.50 8987.14
2002 1051.00 1022.00 1233.50 1022.50 646.50 442.50 373.00 354.50 506.50 627.00 734.00 1050.00 9063.00
2003 1028.50 858.50 1053.50 766.50 667.00 437.50 310.50 392.50 506.00 687.50 1021.00 1040.00 8769.00
2004 1285.00 850.00 990.50 769.50 561.50 348.50 270.00 252.50 516.50 724.50 875.00 1032.50 8476.00
2005 1166.00 961.50 871.00 715.00 508.50 383.50 277.00 307.50 471.00 750.50 976.50 946.00 8334.00
2006 1134.50 999.50 1167.00 840.50 622.00 398.00 330.00 359.00 490.00 711.00 1276.50 956.00 9284.00
2007 1121.00 1137.00 1215.00 866.00 669.00 429.00 318.50 332.00 487.50 772.00 891.50 1149.00 9387.50
2008 1249.00 1065.00 1005.00 861.50 666.50 499.50 373.00 363.00 466.50 775.50 903.00 1255.50 9483.00
2009 1139.00 1137.00 1165.00 900.00 674.50 457.50 286.00 354.00 502.00 680.50 962.00 1152.00 9409.50
2010 1069.50 816.00 957.00 776.50 581.50 381.50 311.00 265.00 378.50 666.50 864.00 1133.50 8200.50
2011 1080.00 1020.00 1093.50 773.00 546.50 366.00 246.00 328.50 454.50 688.00 1133.50 1005.00 8734.50
2012 1275.50 930.50 1100.50 809.00 712.50 491.50 401.00 387.00 495.50 867.50 1019.50 1240.00 9730.00
2013 1040.00 852.00 1118.00 975.50 699.88 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4685.38
Period of Record Statistics
MEAN 1227.11 1022.53 1060.80 844.62 660.07 445.39 342.99 356.40 497.55 747.32 980.91 1142.01 9308.47
S.D. 201.28 136.41 112.32 84.28 75.35 59.27 44.31 50.46 56.12 70.24 132.47 149.88 689.93
SKEW 0.29 0.21 0.18 0.62 -0.01 0.41 -0.02 0.41 -0.34 0.18 0.43 0.36 0.49
MAX 1806.00 1357.50 1322.50 1087.00 849.50 622.00 457.50 512.50 636.00 908.00 1333.00 1525.00 11076.00
MIN 752.00 760.00 792.00 706.00 439.50 348.50 246.00 247.00 341.50 593.50 734.00 876.00 7787.50
NO YRS 62 64 64 64 64 63 63 61 64 64 64 64 59