GLACIER BAY, ALASKA

Monthly Total Heating Degree Days

(503294)

Base Temperature = 65 F

File last updated on Jun 7, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1966 1454.00 955.00 1002.00 759.50 553.50 f 356.00 307.00 367.35 a 482.59 a 800.50 1037.50 1115.00 8636.44
1967 1166.00 934.00 1135.50 0.00 z 580.00 367.00 334.50 317.50 472.50 686.50 915.50 756.50 i 6909.00
1968 1273.58 a 1058.50 a 921.73 a 861.92 d 541.00 401.54 d 293.47 a 300.91 b 499.00 780.00 878.50 1202.50 9012.66
1969 1540.50 1030.00 1004.00 758.00 584.57 c 342.69 d 364.50 439.96 e 491.00 669.50 915.50 903.13 a 9043.36
1970 1219.00 840.50 858.00 767.00 613.28 a 441.67 c 393.24 d 413.33 a 550.34 a 760.50 1004.48 a 1206.00 9067.35
1971 1414.50 958.00 1069.00 839.50 777.58 a 447.32 b 357.03 b 346.17 d 537.69 d 801.35 a 66.00 z 1277.00 8825.15
1972 1389.83 a 1219.00 1151.00 932.00 710.42 a 471.72 a 262.00 366.50 531.50 811.50 871.50 1164.50 9881.47
1973 1243.50 1041.50 928.50 803.40 e 466.50 g 0.00 z 0.00 z 409.95 b 532.24 a 764.84 b 805.50 i 287.50 v 5723.93
1974 938.50 i 937.00 1098.50 785.00 605.65 d 423.00 171.00 p 357.53 a 262.00 k 661.33 a 843.50 945.00 6656.52
1975 0.00 z 1154.42 d 1022.50 807.22 c 467.00 h 494.46 b 301.50 f 311.00 f 471.35 d 726.00 1002.93 a 0.00 z 5678.88
1976 1050.42 e 1061.19 b 0.00 z 790.71 b 656.88 b 423.10 a 309.43 d 278.00 f 386.00 f 710.86 b 765.52 a 938.50 6706.61
1977 907.55 b 711.93 a 905.95 b 719.00 578.15 a 275.00 g 210.00 f 281.98 e 303.50 i 709.56 d 1032.86 b 1251.50 7098.47
1978 1138.50 890.50 942.63 d 723.75 b 459.50 f 378.33 c 354.84 c 298.08 e 325.50 j 667.65 d 1008.60 e 1069.00 7471.88
1979 1212.00 1316.00 918.50 777.41 a 585.00 421.11 c 318.61 d 294.00 440.36 b 603.50 826.00 1153.41 b 8865.91
1980 1310.50 894.00 959.00 731.67 c 558.50 382.50 b 316.00 353.00 372.00 g 644.00 797.00 1248.27 a 8194.43
1981 873.00 897.04 a 826.67 a 778.89 c 467.00 358.50 297.00 304.00 500.00 712.00 852.00 1081.38 a 7947.48
1982 1386.00 1109.00 995.10 a 837.50 659.00 371.00 337.00 360.00 465.00 723.50 1003.50 966.00 9212.60
1983 1065.50 856.07 a 957.90 a 726.96 b 534.50 327.00 279.50 349.50 544.50 726.50 928.45 a 1252.00 8548.39
1984 1012.50 870.00 b 837.50 677.59 a 526.50 384.31 a 343.50 358.50 499.00 765.00 982.80 e 1186.00 8443.20
1985 912.00 1058.50 972.88 a 851.00 626.00 496.61 b 164.00 p 220.50 m 159.50 t 651.50 f 1014.50 f 827.50 f 4916.99
1986 470.50 p 1024.33 d 978.00 865.00 615.72 b 406.61 b 252.00 f 375.44 d 491.00 637.57 a 756.50 g 764.50 f 5393.68
1987 1008.03 b 0.00 z 1063.76 d 707.00 439.00 h 310.00 g 243.19 b 196.00 i 493.27 d 207.50 v 192.00 w 994.00 4509.25
1988 1121.88 b 944.50 873.68 a 732.50 560.50 0.00 z 343.00 366.50 526.50 682.00 668.50 f 855.00 f 6151.06
1989 1263.00 1161.46 b 1074.50 697.50 549.00 361.50 262.00 331.50 438.00 782.00 999.00 954.50 8873.96
1990 1173.00 1109.50 958.00 702.00 490.50 346.00 269.50 319.50 472.00 814.78 a 1144.29 b 1248.50 9047.57
1991 1208.50 922.50 1047.50 755.50 590.00 363.00 319.00 382.00 500.00 858.50 569.50 l 1029.00 7975.50
1992 952.00 958.50 942.00 772.50 620.50 390.00 358.50 396.00 634.50 872.17 e 0.00 z 1163.50 8060.17
1993 1243.50 1015.26 a 983.50 707.50 349.00 h 337.76 a 241.50 181.00 k 498.75 b 323.50 o 732.50 f 948.82 c 5976.59
1994 1129.95 a 1296.52 e 965.13 a 590.50 f 308.00 n 0.00 z 98.50 v 190.50 h 0.00 z 529.50 i 1090.86 a 1120.43 c 5602.90
1995 1140.69 d 731.00 k 1089.50 0.00 z 393.00 f 362.14 b 173.00 m 266.00 h 289.50 i 252.50 t 0.00 z 1233.59 b 3825.91
1996 1409.00 0.00 z 0.00 z 521.00 i 355.00 j 0.00 z 209.50 i 278.00 g 10.00 z 0.00 z 0.00 z 1196.60 a 2605.60
1997 673.50 n 0.00 z 0.00 z 598.50 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 723.50 f 951.00 951.00
1998 0.00 z 803.19 a 0.00 z 0.00 z 411.50 f 350.00 306.90 a 364.50 511.50 704.00 0.00 z 0.00 z 3040.09
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 504.11 b 723.33 d 903.00 957.68 c 3088.12
2000 1201.00 570.50 l 700.50 g 436.00 l 563.37 e 346.07 b 297.17 b 0.00 z 494.44 c 736.77 a 804.44 c 1028.00 5471.26
2001 892.91 c 721.50 i 0.00 z 747.00 616.38 a 340.56 c 314.77 e 296.57 a 454.44 c 754.50 947.22 c 1138.70 c 6503.05
2002 1040.05 a 972.42 d 1127.88 a 887.40 e 602.36 b 385.38 d 268.50 g 335.04 e 472.50 b 660.41 c 572.50 g 987.50 7470.95
2003 733.50 i 918.75 d 844.50 f 705.52 a 459.50 f 395.36 b 255.23 a 323.84 c 526.11 c 698.02 a 1013.57 b 1023.55 c 5859.95
2004 1238.97 a 587.50 i 674.50 j 750.00 b 355.50 i 294.11 b 205.00 i 192.09 c 500.00 694.00 855.00 b 963.00 5487.16
2005 1175.42 a 943.19 a 871.88 c 651.21 a 416.84 c 308.65 d 228.00 241.05 b 406.61 b 713.57 d 857.00 933.50 7746.91
2006 1032.00 987.50 1116.00 a 772.24 a 575.10 b 334.04 d 267.38 c 346.17 d 484.00 731.50 1281.50 1014.39 d 8941.81
2007 1111.35 a 1055.25 d 1186.78 a 831.50 649.89 c 383.65 d 304.26 d 296.00 475.86 a 760.02 a 878.04 b 1169.00 9101.60
2008 1192.00 1105.00 956.87 a 829.29 b 612.25 c 473.89 c 423.67 a 375.32 c 394.50 g 757.43 a 919.66 a 1208.00 8853.37
2009 1216.48 b 1000.22 a 1075.00 786.96 b 553.83 e 395.17 a 247.43 d 281.50 g 485.89 b 698.53 a 0.00 z 1095.91 d 7555.43
2010 1015.80 c 823.76 c 0.00 z 240.00 t 553.00 405.52 a 297.00 f 337.90 a 465.52 a 0.00 z 893.50 1150.88 c 5645.87
2011 1113.00 0.00 z 315.50 t 814.50 585.12 c 0.00 z 345.59 d 396.28 a 483.50 700.60 a 1044.50 983.00 6466.10
2012 1210.00 916.00 982.00 720.50 666.50 b 450.50 412.96 c 324.00 h 549.00 831.50 998.50 1207.00 8944.46
2013 1061.00 888.50 1099.00 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 3048.50
Period of Record Statistics
MEAN 1163.86 990.73 997.24 772.73 588.63 387.31 312.35 341.00 496.79 731.69 946.76 1091.48 8838.16
S.D. 158.28 129.48 92.55 62.37 67.39 49.49 49.14 49.78 39.72 60.97 109.37 115.53 533.79
SKEW 0.21 0.55 0.12 0.41 0.16 0.51 0.33 -0.69 0.87 0.32 0.83 -0.03 -0.45
MAX 1540.50 1316.00 1186.78 932.00 777.58 496.61 423.67 439.96 634.50 872.17 1281.50 1277.00 9881.47
MIN 873.00 711.93 826.67 651.21 416.84 294.11 228.00 192.09 406.61 603.50 765.52 903.13 7746.91
NO YRS 41 39 37 38 33 38 33 34 36 39 32 40 14