COTTONWOOD 2 WSW, IDAHO

Monthly Total Heating Degree Days

(102159)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201102
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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 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
1965 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
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 0.00 z 0.00 z 0.00 z 0.00
1967 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
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 0.00 z 0.00 z 0.00
1969 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
1970 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
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 0.00 z 0.00 z 0.00
1972 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
1973 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
1974 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
1975 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
1976 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 483.60 a 480.50 h 990.00 1473.60
1977 1206.00 756.00 980.50 493.50 533.50 106.00 85.50 0.00 z 286.50 l 572.43 b 956.50 1089.00 6778.93
1978 1033.00 870.00 699.50 658.00 536.50 198.50 90.00 h 144.00 317.00 488.00 1035.50 1346.43 a 7326.43
1979 1477.50 976.00 806.50 678.50 385.50 187.24 a 53.50 r 22.00 l 88.00 k 354.50 j 962.00 967.41 b 6440.65
1980 1268.42 a 881.50 945.50 510.00 474.96 c 294.00 76.50 136.00 179.00 480.50 825.50 903.50 6975.38
1981 930.50 871.50 744.50 617.59 a 484.50 309.00 81.50 12.00 224.00 g 635.50 a 793.97 a 1101.05 c 6581.60
1982 1215.72 a 1058.00 894.50 755.50 461.00 170.50 117.50 54.00 256.50 601.50 970.50 1120.50 7675.72
1983 941.00 793.50 763.50 665.00 392.00 242.00 139.50 15.50 316.50 490.50 838.00 1377.00 6974.00
1984 1123.50 918.00 824.00 718.50 512.00 296.00 32.00 39.00 318.50 705.00 892.00 1255.50 7634.00
1985 1260.00 1084.00 938.00 542.07 a 365.50 174.50 0.00 126.00 425.00 634.00 1248.50 1204.19 b 8001.76
1986 953.00 888.50 678.00 660.50 432.45 a 89.00 121.50 18.00 404.00 473.00 917.50 1074.50 6709.95
1987 1169.50 835.00 828.00 414.50 327.00 142.00 109.00 86.00 116.00 355.50 800.00 1101.50 6284.00
1988 1170.00 849.00 858.50 527.00 459.50 215.50 76.00 29.50 239.50 281.00 900.00 1109.50 6715.00
1989 1135.50 1181.50 901.00 532.00 471.00 157.00 49.00 131.00 181.00 567.50 792.50 987.00 7086.00
1990 1043.00 966.50 784.00 492.00 498.50 248.00 47.50 87.00 45.50 610.50 831.00 1398.50 7052.00
1991 1181.50 684.50 893.50 657.50 522.00 343.50 31.50 8.00 120.00 517.50 542.00 n 1015.50 5975.00
1992 1026.00 721.00 618.50 515.50 244.00 129.50 115.00 78.50 230.50 448.00 955.00 1184.00 6265.50
1993 1263.50 1053.50 783.00 663.50 262.00 264.00 276.50 121.50 211.00 455.00 991.00 1017.50 7362.00
1994 927.00 957.00 735.00 529.00 334.00 233.50 49.00 14.00 101.50 565.00 1066.00 1117.50 6628.50
1995 1049.50 798.00 860.50 671.00 396.50 272.50 68.00 122.00 180.00 659.00 746.50 1083.00 6906.50
1996 1112.50 989.00 815.50 600.00 543.00 198.00 54.00 55.00 299.50 564.50 857.50 1093.00 7181.50
1997 1109.80 a 939.50 843.50 708.00 323.00 263.00 93.50 20.00 163.50 624.50 783.00 1111.00 6982.30
1998 1048.50 827.00 827.00 630.50 426.00 257.00 9.50 29.00 134.50 589.00 838.00 1163.00 6779.00
1999 1021.40 b 583.50 k 854.64 b 721.00 534.75 a 314.50 124.50 45.50 229.50 478.29 c 643.80 e 1085.00 b 6052.87
2000 1098.29 c 860.87 b 592.50 h 533.00 459.00 191.50 76.50 44.50 300.00 563.00 1037.50 1138.45 b 6302.60
2001 1113.50 969.50 797.00 694.50 345.50 281.25 b 71.00 18.50 100.00 542.50 b 739.50 1141.12 b 6813.87
2002 1105.50 943.00 986.50 630.00 453.00 199.00 27.00 68.00 187.00 624.50 771.50 983.50 6978.50
2003 903.00 945.00 798.50 648.50 442.50 148.00 13.50 4.50 150.50 393.50 1006.50 1047.50 6501.50
2004 1109.50 933.00 677.50 525.50 460.50 194.00 26.50 79.00 260.00 523.00 859.00 952.50 6600.00
2005 1003.00 833.50 744.00 626.00 379.00 274.50 24.00 36.50 225.00 490.00 895.50 1124.00 6655.00
2006 943.00 975.50 886.50 596.00 342.00 163.00 15.50 50.50 191.00 569.50 876.00 1051.00 6659.50
2007 1218.00 858.00 700.00 596.00 358.00 213.50 0.00 42.00 222.00 566.00 864.50 1133.00 6771.00
2008 1193.00 906.00 943.50 766.00 416.00 263.00 14.50 65.50 183.00 507.00 725.00 1224.50 7207.00
2009 1075.50 860.50 984.00 649.50 0.00 z 168.00 29.00 61.00 105.00 668.00 829.50 1256.00 6686.00
2010 941.50 820.50 756.00 122.50 z 493.62 e 268.00 76.00 79.00 0.00 z 0.00 z 0.00 z 1031.00 4465.62
2011 1068.93 d 1023.68 c 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 2092.61
Period of Record Statistics
MEAN 1098.26 906.69 822.75 612.90 426.31 219.66 66.58 60.02 213.07 537.16 882.77 1113.65 6935.98
S.D. 123.52 105.18 95.50 85.51 80.22 63.16 55.19 41.54 90.13 91.66 120.31 115.46 414.45
SKEW 0.65 0.28 -0.05 -0.26 -0.44 -0.10 1.71 0.59 0.47 -0.63 0.74 0.71 0.76
MAX 1477.50 1181.50 986.50 766.00 543.00 343.50 276.50 144.00 425.00 705.00 1248.50 1398.50 8001.76
MIN 903.00 684.50 618.50 414.50 244.00 89.00 0.00 4.50 45.50 281.00 643.80 903.50 6265.50
NO YRS 35 34 33 33 33 34 32 32 30 33 32 35 25