CHANDALAR LAKE, ALASKA

Monthly Total Heating Degree Days

(501492)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200402
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
1968 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 2004.83 a 2616.00 4620.83
1969 2999.00 1480.50 i 2112.00 1306.50 786.00 259.50 391.00 706.00 801.00 1233.00 2062.50 0.00 z 12656.50
1970 0.00 z 0.00 z 1815.50 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 1815.50
1971 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 2325.50 2452.50 4778.00
1972 2854.50 2396.50 2371.50 a 1743.50 879.88 a 333.89 c 284.68 a 429.00 978.50 1545.02 c 2056.50 2283.50 18156.97
1973 2761.07 a 2311.50 2097.00 1486.00 773.50 386.00 397.00 584.87 a 806.50 1616.00 2429.50 2055.00 17703.93
1974 2587.50 2805.00 0.00 z 1559.00 453.00 u 0.00 z 0.00 z 0.00 z 713.00 1596.50 a 2442.93 a 2688.00 14391.93
1975 2845.50 2085.00 2023.50 1629.50 787.00 442.00 270.50 544.57 a 920.00 1502.50 2247.50 2677.00 17974.57
1976 2473.00 2549.00 2116.50 1378.00 810.50 408.00 353.50 414.00 771.50 1582.50 1707.00 2400.00 16963.50
1977 2111.50 1839.00 2329.00 1712.00 896.50 434.50 312.00 343.00 804.00 1486.00 2288.50 2627.50 17183.50
1978 2119.00 2049.50 1987.50 1488.00 891.50 501.50 286.50 485.50 787.50 1729.00 1956.50 2351.00 16633.00
1979 2283.00 2643.50 2131.00 1603.50 742.50 488.00 145.00 m 440.50 916.50 1309.00 1799.50 0.00 z 14357.00
1980 2593.50 1967.00 2048.50 1409.00 694.00 396.00 311.50 558.50 1037.50 1426.50 1904.50 2883.00 a 17229.50
1981 1735.50 2057.50 1436.00 f 1643.50 741.93 a 459.50 485.00 623.50 907.78 c 1395.00 b 2027.50 1894.00 f 12076.71
1982 2706.50 2173.00 2086.00 1560.00 974.00 411.50 280.50 543.00 786.50 1903.00 2185.50 2121.00 17730.50
1983 2601.00 1901.50 2020.50 1319.00 924.50 342.00 268.00 600.50 1094.50 1621.00 1839.00 2406.50 16938.00
1984 2666.52 a 2454.00 1845.00 1504.00 911.00 370.00 369.50 595.50 849.00 1502.50 2241.00 2521.00 17829.02
1985 1888.93 a 2431.50 2024.00 1691.50 948.17 b 417.50 347.50 509.90 b 936.50 1228.00 h 2269.00 2021.00 15485.50
1986 2243.00 1999.00 2247.50 1842.00 913.00 357.50 303.28 a 626.20 a 555.50 g 1686.00 2398.00 0.00 z 14615.48
1987 2313.63 a 2175.70 a 2160.00 1502.50 803.50 341.00 319.00 516.67 a 931.00 1374.50 1933.00 2287.00 16657.50
1988 2234.50 2083.00 1900.82 a 1313.00 760.50 253.00 f 244.50 475.00 573.50 i 476.00 w 2116.50 2202.00 13329.82
1989 3206.50 0.00 z 0.00 z 1382.50 885.50 415.00 315.00 430.26 b 823.45 a 0.00 z 980.50 t 0.00 z 7458.21
1990 0.00 z 1205.00 o 1967.35 d 1334.50 730.16 c 407.50 248.00 e 291.50 i 585.50 j 1552.77 c 0.00 z 1720.00 j 6240.28
1991 0.00 z 2163.78 a 2190.84 b 1464.23 d 171.00 x 324.64 b 352.37 a 608.08 e 263.50 s 0.00 z 0.00 z 0.00 z 7103.94
1992 1452.00 m 2279.61 a 1934.50 0.00 z 1130.93 d 189.50 l 256.86 c 478.36 b 0.00 z 0.00 z 2106.00 0.00 z 8186.25
1993 2265.50 f 1942.77 b 0.00 z 1316.79 b 761.57 a 363.50 119.00 q 0.00 z 852.50 f 1570.50 2439.00 2239.50 10633.62
1994 2237.50 2423.04 a 2181.00 1488.10 a 862.83 a 529.00 370.50 585.90 a 665.00 m 1474.00 2513.00 2351.00 17015.88
1995 2358.00 1991.77 b 2157.60 a 1087.24 a 672.50 361.03 a 273.50 542.50 489.50 i 1433.50 2176.00 2261.00 15314.64
1996 2807.00 2316.89 a 2133.00 1517.50 841.13 a 111.00 t 341.50 658.50 919.00 0.00 z 0.00 z 0.00 z 11534.53
1997 0.00 z 0.00 z 2039.50 0.00 z 0.00 z 0.00 z 0.00 z 382.00 662.59 a 1621.50 1817.88 d 2166.00 8689.47
1998 2330.50 1700.50 1855.87 a 1185.50 762.50 377.00 169.97 b 500.00 0.00 z 0.00 z 1945.50 2219.00 13046.33
1999 2718.00 0.00 z 1984.00 1129.00 g 549.50 k 123.50 n 251.00 389.00 727.50 b 1540.50 2277.93 a 2514.50 12402.43
2000 2714.57 a 1968.00 0.00 z 1507.00 919.00 287.00 0.00 z 594.00 1001.00 1551.00 1899.50 2153.00 14594.07
2001 1993.50 2025.00 2149.50 1698.62 a 1235.00 0.00 z 0.00 z 548.50 799.50 1504.50 1973.50 2263.00 16190.62
2002 2241.50 0.00 z 0.00 z 1688.50 865.86 b 415.00 297.50 584.50 772.50 1461.00 1605.00 2001.50 11932.86
2003 0.00 z 0.00 z 2184.00 0.00 z 0.00 z 0.00 z 321.37 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2505.37
2004 0.00 z 2016.02 a 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 2016.02
Period of Record Statistics
MEAN 2467.56 2175.87 2074.75 1495.21 853.75 393.12 311.91 527.51 858.56 1528.69 2099.60 2350.42 17363.63
S.D. 352.57 261.04 136.70 175.45 123.36 63.48 61.75 89.26 109.27 136.73 236.64 227.53 537.94
SKEW -0.05 0.56 0.04 -0.21 1.25 0.11 0.47 -0.23 0.34 0.37 -0.08 0.49 0.00
MAX 3206.50 2805.00 2371.50 1842.00 1235.00 529.00 485.00 706.00 1094.50 1903.00 2513.00 2883.00 18156.97
MIN 1735.50 1700.50 1815.50 1087.24 672.50 259.50 169.97 343.00 662.59 1233.00 1605.00 2001.50 9999.00
NO YRS 27 27 28 29 28 25 27 29 23 25 30 25 11