MALTA 2 E, IDAHO

Monthly Total Heating Degree Days

(105563)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200210
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
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 49.00 t 437.50 844.14 a 1265.66 b 2547.29
1964 1285.39 c 1168.37 c 863.00 f 0.00 z 423.00 277.78 c 0.00 z 51.50 h 0.00 z 491.50 895.00 1055.55 a 5596.59
1965 1056.00 911.00 945.50 e 285.50 l 510.98 a 211.55 a 44.43 a 114.00 422.50 492.38 a 733.97 a 1175.50 6617.82
1966 1149.14 b 1020.92 b 880.92 a 640.86 a 348.75 c 167.50 22.00 45.00 134.00 524.00 g 816.96 b 929.50 g 5226.05
1967 1003.92 e 866.92 b 842.88 b 605.00 g 405.50 220.50 0.00 a 8.00 147.00 515.24 b 0.00 z 1269.93 b 5279.90
1968 1234.32 a 901.07 a 776.72 d 538.00 g 438.81 b 171.72 a 0.00 z 183.50 267.00 370.00 o 612.00 j 1171.44 e 5144.59
1969 1082.02 e 599.50 k 991.48 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 340.00 p 0.00 z 0.00 z 2073.50
1970 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.00 z 5.50 2.00 i 312.00 643.50 771.00 1154.00 2886.00
1971 1117.60 b 864.35 e 859.22 a 605.00 320.50 166.50 15.00 4.50 314.00 617.50 880.50 1295.50 7060.17
1972 1195.50 937.50 667.50 596.50 335.50 77.50 19.50 13.00 313.00 537.50 912.50 1367.50 6973.00
1973 1295.00 952.00 883.50 648.00 298.50 127.50 4.50 10.50 234.00 481.00 843.50 998.50 6776.50
1974 1271.00 908.00 758.00 563.50 366.50 80.00 h 14.00 34.50 195.50 534.00 829.00 1192.00 6666.00
1975 1264.00 976.50 888.00 764.50 466.50 157.00 9.00 43.50 204.50 538.37 a 931.50 995.00 7238.37
1976 1131.00 972.00 924.50 592.50 233.00 125.00 h 8.00 56.00 157.00 556.00 814.50 1137.50 6582.00
1977 1275.00 913.50 926.50 455.17 a 461.00 19.00 h 8.00 47.50 226.50 444.50 854.00 934.00 6545.67
1978 986.00 814.00 661.00 554.50 410.46 d 119.50 26.00 91.50 259.50 458.50 997.00 1287.50 6665.46
1979 1553.00 977.50 851.00 564.50 351.00 165.00 c 16.50 43.50 114.00 500.50 1056.00 1027.00 7219.50
1980 1231.22 a 841.50 841.81 b 483.50 422.00 200.00 8.50 65.50 f 196.00 537.00 836.50 999.00 6597.03
1981 1096.00 906.00 780.50 536.00 384.50 131.00 22.65 e 10.50 136.00 589.50 754.50 999.00 6346.15
1982 1210.00 1094.00 817.00 685.50 400.00 153.00 55.00 5.50 230.00 606.00 981.00 1175.50 7412.50
1983 995.00 815.00 747.00 687.00 418.50 162.50 51.00 1.00 152.50 446.00 825.00 1355.50 6656.00
1984 1468.50 1230.50 876.00 642.50 314.00 219.00 10.00 2.00 229.50 650.50 851.00 1313.00 7806.50
1985 1425.50 1213.33 a 988.50 435.50 237.00 95.00 0.00 39.50 311.50 568.00 819.50 f 1449.25 a 6763.08
1986 1087.50 760.50 586.00 546.50 326.50 54.00 30.50 15.00 338.00 514.94 d 822.00 1078.50 6159.94
1987 1195.50 811.50 750.00 355.00 238.00 60.50 54.50 47.00 155.50 408.50 828.50 1187.50 6092.00
1988 1237.50 892.50 834.50 419.50 259.00 69.50 12.50 11.50 229.00 293.50 851.50 1222.00 6332.50
1989 1288.00 1146.50 703.50 430.50 330.00 95.00 0.00 58.00 184.00 535.00 799.50 1117.00 6687.00
1990 1070.50 988.00 715.50 383.00 370.50 140.00 16.50 36.00 61.00 475.50 792.00 1472.50 6521.00
1991 1346.00 729.00 795.00 603.50 418.50 152.00 6.50 1.50 162.00 492.50 913.00 1152.00 6771.50
1992 1120.50 769.00 633.50 397.50 162.00 110.50 26.00 54.50 175.00 391.00 989.50 1254.50 6083.50
1993 1401.50 1173.50 810.50 583.50 227.00 242.50 127.00 67.50 228.50 489.00 1054.29 b 1116.00 7520.79
1994 973.00 893.00 688.50 479.50 242.00 94.50 21.00 11.50 132.00 542.50 1035.50 1045.50 6158.50
1995 1002.50 720.00 748.00 579.50 413.50 207.00 28.00 22.00 176.50 508.50 632.50 1002.00 6040.00
1996 1043.67 a 977.00 730.00 513.50 381.50 87.50 8.50 32.50 268.50 527.00 748.50 1026.00 6344.17
1997 1112.00 903.50 677.50 621.00 234.00 90.50 37.50 6.00 127.00 522.50 831.50 1208.00 6371.00
1998 886.50 815.00 800.50 589.00 342.00 225.50 0.00 5.00 108.00 568.50 796.50 1250.50 6387.00
1999 1050.00 873.00 848.48 d 697.50 473.50 186.00 33.00 24.50 206.50 g 496.50 683.50 1152.50 6518.48
2000 1067.50 824.50 853.00 507.60 e 332.50 101.00 11.50 19.00 241.55 a 560.98 e 1156.00 1166.50 6841.63
2001 1325.50 983.00 747.50 657.78 c 278.00 148.50 16.50 2.00 136.61 b 484.50 795.00 1364.00 a 6938.88
2002 1321.50 1213.00 937.50 552.50 397.00 148.00 4.00 78.00 202.50 700.50 0.00 z 0.00 z 5554.50
Period of Record Statistics
MEAN 1180.38 939.36 804.51 556.72 350.58 148.09 21.47 35.57 207.82 517.74 861.62 1173.86 6696.14
S.D. 151.62 138.47 99.88 99.31 82.93 56.12 23.64 37.87 76.77 75.88 110.40 134.99 485.45
SKEW 0.36 0.65 -0.10 -0.20 -0.27 0.26 2.68 2.01 0.60 -0.22 0.61 0.28 0.54
MAX 1553.00 1230.50 991.48 764.50 510.98 277.78 127.00 183.50 422.50 700.50 1156.00 1472.50 7806.50
MIN 886.50 720.00 586.00 355.00 162.00 54.00 0.00 1.00 61.00 293.50 632.50 934.00 6040.00
NO YRS 38 37 37 33 37 34 36 35 36 37 35 37 25