RUSSIAN MISSION, ALASKA

Monthly Total Heating Degree Days

(508054)

Base Temperature = 65 F

File last updated on Jun 7, 2013
*** Note *** Provisional Data *** After Year/Month 198710
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 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 990.00 h 1365.50 2041.50 3407.00
1967 1830.50 1642.50 1353.00 1007.50 673.50 303.50 326.61 c 316.50 572.00 1158.00 1354.50 1777.00 12315.11
1968 1791.00 1806.00 1546.50 1216.00 736.00 336.50 186.00 318.00 707.07 a 1181.00 1559.50 2126.50 13510.07
1969 1889.50 1634.50 1484.50 1067.50 574.00 362.50 318.50 473.00 523.00 932.00 1689.00 1639.50 12587.50
1970 2328.00 1441.50 1426.00 1245.50 605.50 346.00 360.12 a 429.00 713.57 b 753.00 p 1188.10 a 1965.83 b 12049.12
1971 2330.74 d 1912.00 2021.00 1352.00 931.03 a 383.33 c 248.00 i 142.50 z 335.00 n 1102.00 1553.50 1820.00 13405.61
1972 2024.00 1790.00 2023.00 1418.50 812.00 451.00 205.50 284.00 635.00 963.00 1495.50 1757.00 13858.50
1973 2416.85 d 0.00 z 0.00 z 452.00 s 926.90 a 552.00 391.00 466.03 a 632.68 b 1168.91 b 1516.03 a 1934.29 b 10004.71
1974 1947.50 2167.85 b 1001.00 j 1151.50 667.50 412.50 357.00 344.50 525.54 b 1281.50 543.00 r 0.00 z 8855.38
1975 0.00 z 0.00 z 925.00 j 1344.00 825.08 e 417.50 290.00 398.50 713.00 1096.50 0.00 z 0.00 z 5084.58
1976 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 450.00 318.50 0.00 z 0.00 z 1135.00 1488.00 1842.12 e 5233.62
1977 1452.50 1429.56 a 0.00 z 1544.48 a 883.00 340.50 285.20 a 223.89 d 337.00 h 1122.50 0.00 z 1899.00 9180.63
1978 1503.50 1469.44 c 1573.00 0.00 z 617.50 526.00 304.32 a 236.12 a 578.00 1204.00 815.50 j 1522.21 b 9534.08
1979 1476.00 0.00 z 330.50 u 1033.00 628.50 447.00 378.00 367.00 629.00 728.50 h 1263.75 b 2314.67 a 8536.92
1980 2229.86 b 848.00 m 645.50 q 0.00 z 579.00 f 574.50 304.50 357.00 f 439.50 i 1066.83 b 1411.00 2083.00 7669.69
1981 1480.80 c 1525.48 a 1157.00 1043.50 534.00 389.00 393.50 419.50 658.93 b 1110.32 a 1499.00 1975.73 a 12186.76
1982 1954.00 1678.50 1612.00 1437.50 865.00 433.39 b 379.00 396.36 c 651.00 1334.00 1547.50 1829.00 14117.25
1983 2191.50 1591.00 1847.00 1202.00 644.00 359.50 306.50 496.00 a 736.50 1274.00 1398.50 1483.00 13529.50
1984 1947.83 a 2304.00 1427.00 1693.00 0.00 z 477.50 456.14 c 0.00 z 736.03 a 1274.00 1705.00 1607.00 13627.51
1985 1337.00 1837.50 1701.00 1647.00 923.00 669.50 0.00 z 624.98 c 855.50 1322.50 1476.21 a 1380.50 13774.69
1986 1894.10 a 1389.50 1711.50 1372.00 0.00 z 0.00 z 334.00 517.04 c 674.00 1216.00 1435.00 1432.50 11975.64
1987 1779.50 1600.50 1480.50 0.00 z 801.00 461.38 a 358.57 a 362.38 b 816.00 993.15 d 0.00 z 0.00 z 8652.97
Period of Record Statistics
MEAN 1884.46 1701.24 1597.36 1298.44 743.97 434.66 329.10 392.52 668.05 1154.48 1467.39 1812.12 13157.81
S.D. 325.68 260.34 246.28 215.37 134.93 91.75 63.60 104.32 91.83 115.87 133.26 252.81 780.19
SKEW -0.06 0.96 0.31 0.32 0.05 0.87 -0.47 0.32 0.25 -0.26 -0.19 -0.03 -0.14
MAX 2416.85 2304.00 2023.00 1693.00 931.03 669.50 456.14 624.98 855.50 1334.00 1705.00 2314.67 14117.25
MIN 1337.00 1389.50 1157.00 1007.50 534.00 303.50 186.00 223.89 523.00 932.00 1188.10 1380.50 9999.00
NO YRS 19 16 14 16 17 20 19 17 17 19 17 19 7