ST MARYS, ALASKA

Monthly Total Heating Degree Days

(508105)

Base Temperature = 65 F

File last updated on Jun 7, 2013
*** Note *** Provisional Data *** After Year/Month 200005
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
1967 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 359.50 345.65 a 565.50 1112.00 1403.89 c 1707.07 a 5493.61
1968 1668.12 b 1762.79 a 1508.50 1255.50 774.00 387.50 204.50 347.95 b 677.59 a 1107.00 1477.00 2001.50 13171.94
1969 1705.00 a 1582.00 1453.38 a 1069.00 510.50 364.00 353.50 502.72 a 466.00 902.00 1599.00 1505.10 b 12012.20
1970 0.00 z 1370.50 1362.45 a 1253.50 651.57 d 394.62 d 374.50 421.82 c 705.50 0.00 z 1153.93 b 1830.07 b 9518.46
1971 2190.50 1896.50 1914.50 1314.50 837.50 436.67 c 342.79 e 295.50 f 601.00 1051.00 1496.00 1718.50 13799.46
1972 1896.50 1722.50 2028.00 1473.50 752.00 425.36 b 205.78 b 63.50 q 614.48 a 924.46 c 1418.28 a 1707.77 c 13168.62
1973 0.00 z 1481.00 1264.00 i 1130.69 a 514.50 g 345.00 c 300.04 c 442.30 c 574.00 1123.48 b 1409.46 b 1748.92 a 8554.89
1974 1809.88 a 2062.50 1394.40 e 1060.18 b 607.17 b 436.50 334.80 a 298.12 a 552.32 b 1223.98 a 1590.52 a 2094.00 13464.38
1975 2056.85 a 1769.00 1607.87 a 1292.50 632.00 f 449.48 a 273.83 d 310.53 b 664.66 a 1110.26 d 1757.22 c 1914.77 a 13206.97
1976 1847.94 d 954.00 o 1510.45 b 1213.93 b 559.50 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1812.97 b 6385.29
1977 1333.00 a 0.00 z 1768.50 1101.50 j 679.50 g 415.50 254.20 a 267.24 b 0.00 z 0.00 z 1563.00 1553.62 a 7155.06
1978 1230.00 1227.13 e 1517.50 1009.00 635.50 531.50 267.00 260.50 565.50 1131.00 1260.00 1506.50 11141.13
1979 1402.00 1772.00 1420.50 1067.00 609.00 462.00 369.50 341.50 573.00 935.00 1201.00 2120.50 12273.00
1980 2022.50 1515.50 1345.50 1030.50 638.50 564.00 287.50 436.50 624.00 1036.50 1378.50 2060.50 12940.00
1981 1481.50 1599.50 1170.00 1111.00 585.00 382.50 368.00 416.50 711.50 1138.00 1571.00 1984.50 12519.00
1982 1862.50 1574.50 1564.00 1529.48 a 950.00 407.50 289.16 b 342.19 e 616.07 b 1214.50 1035.50 g 1264.00 h 10349.90
1983 1889.97 a 1468.00 1391.50 1076.00 456.50 i 0.00 z 0.00 z 0.00 z 0.00 z 1103.00 0.00 z 0.00 z 6928.47
1984 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
1985 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
1986 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
1987 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
1988 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
1989 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
1990 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
1991 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
1992 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
1993 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
1994 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
1995 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
1996 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
1997 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
1998 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2000 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
Period of Record Statistics
MEAN 1742.59 1628.82 1530.47 1192.42 686.43 428.72 305.64 364.12 607.94 1079.44 1448.49 1817.75 12503.09
S.D. 287.54 218.60 224.89 159.91 128.02 60.36 57.39 73.93 66.76 99.81 166.92 207.26 786.49
SKEW -0.36 0.14 0.84 0.81 0.75 0.92 -0.43 0.29 -0.19 -0.52 -0.15 -0.07 -0.51
MAX 2190.50 2062.50 2028.00 1529.48 950.00 564.00 374.50 502.72 711.50 1223.98 1757.22 2120.50 13464.38
MIN 1230.00 1227.13 1170.00 1009.00 510.50 345.00 204.50 260.50 466.00 902.00 1153.93 1505.10 9999.00
NO YRS 14 14 15 15 11 14 15 13 14 14 14 15 7