OLA 4 S, IDAHO

Monthly Total Heating Degree Days

(106590)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198811
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
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 25.83 d 166.80 e 444.00 j 840.50 1197.50 2230.63
1952 1284.00 1218.58 d 1012.00 434.50 246.50 101.00 1.50 7.00 67.00 306.00 923.50 984.00 6585.58
1953 826.00 779.00 721.00 576.00 435.50 180.00 1.00 17.50 130.50 487.50 686.00 1115.00 5955.00
1954 974.50 755.50 831.00 511.50 241.00 223.00 16.50 55.50 213.50 535.50 798.46 d 1192.00 6347.96
1955 1311.50 1236.00 1054.00 671.50 393.50 110.00 63.50 4.50 211.00 480.50 991.00 1012.00 7539.00
1956 1078.00 1168.50 762.60 a 491.50 254.50 137.00 20.50 44.00 171.00 548.50 938.00 1090.50 6704.60
1957 1533.50 1076.00 803.00 548.50 245.50 130.00 4.00 22.73 a 102.00 547.50 980.69 a 1069.50 7062.92
1958 1221.50 788.50 804.00 567.00 166.00 89.00 3.00 7.00 190.50 460.00 852.50 959.00 6108.00
1959 1016.50 814.00 803.50 464.00 405.07 a 78.50 31.50 47.00 224.00 453.00 843.50 1114.50 6295.07
1960 1330.00 1037.00 759.50 532.50 400.93 a 63.50 0.00 85.50 91.50 493.50 788.00 1136.00 6717.93
1961 1067.95 a 733.50 719.50 558.00 280.00 23.00 2.50 0.00 238.50 517.00 923.50 1167.00 6230.45
1962 1429.50 997.00 878.50 434.00 380.50 132.50 27.00 27.56 d 120.50 447.00 726.50 932.50 6533.06
1963 1277.50 697.50 740.50 593.00 262.50 145.50 10.50 17.50 36.50 0.00 z 0.00 z 1120.50 4901.50
1964 1358.50 0.00 z 0.00 z 0.00 z 0.00 z 89.00 j 2.50 52.00 228.00 441.00 874.50 1047.50 4004.00
1965 1081.00 824.00 850.00 450.50 339.50 103.00 11.50 43.50 303.50 396.00 753.50 1118.00 6274.00
1966 1065.00 926.50 754.50 509.00 230.00 136.50 13.50 26.00 63.50 560.00 730.00 1068.50 6083.00
1967 1015.00 812.00 757.50 653.50 314.00 107.00 0.00 0.00 50.00 538.50 790.00 1224.00 6261.50
1968 1237.50 791.00 668.50 613.50 330.50 104.00 4.00 91.00 212.50 572.50 832.00 1115.00 6572.00
1969 1141.00 998.50 867.00 480.00 175.00 103.00 19.00 18.50 150.00 652.50 890.00 1061.00 6555.50
1970 1037.00 775.50 774.50 708.50 302.00 92.50 1.50 0.00 311.00 643.00 803.00 1147.53 b 6596.03
1971 1149.00 865.00 868.00 536.50 239.00 159.50 24.50 8.50 296.50 560.00 889.00 1246.00 6841.50
1972 1231.50 978.00 683.50 591.50 233.00 72.50 22.50 4.50 292.50 487.50 827.00 1374.50 6798.50
1973 1196.00 827.04 a 761.50 562.00 254.50 123.50 14.50 12.50 170.00 525.50 834.00 997.50 6278.54
1974 1278.00 829.50 742.50 529.50 357.50 62.00 24.00 19.50 140.00 488.50 812.00 1128.50 6411.50
1975 1282.00 953.00 835.00 690.00 367.50 134.50 11.00 60.50 154.00 505.00 909.50 1152.50 7054.50
1976 1214.50 1055.00 984.50 548.00 215.50 162.50 7.00 61.50 142.50 578.50 821.00 1172.50 6963.00
1977 1449.50 930.50 859.22 a 410.50 415.00 7.00 22.50 59.00 184.00 500.50 837.50 957.00 6632.22
1978 968.00 819.00 601.00 540.50 345.00 111.00 19.00 85.50 292.00 556.50 957.50 1395.50 6690.50
1979 1626.00 964.50 791.00 560.50 298.00 85.00 21.50 3.00 68.50 406.62 a 996.50 1021.50 6842.62
1980 1149.00 802.00 761.00 427.00 277.00 151.50 10.00 70.78 a 191.50 545.00 913.50 1045.50 6343.78
1981 1037.00 878.50 703.00 493.50 350.50 177.50 22.50 5.00 159.00 598.00 750.00 1051.50 6226.00
1982 1368.50 1157.50 784.00 620.00 360.00 110.50 50.00 13.50 202.50 549.00 982.50 1189.50 7387.50
1983 1061.50 748.00 655.50 573.00 333.50 114.50 47.50 6.00 236.00 468.50 781.50 1311.00 6336.50
1984 1322.50 1147.50 0.00 z 589.00 320.00 179.50 3.00 0.50 245.00 605.50 828.50 1384.00 6625.00
1985 1521.00 1196.00 960.00 419.50 236.50 45.00 0.00 48.00 329.00 597.00 1169.00 1673.00 8194.00
1986 1239.50 816.00 593.00 563.00 316.50 37.50 35.50 5.50 302.00 532.17 a 843.50 1235.50 6519.67
1987 1289.00 857.00 728.50 408.00 211.00 81.50 36.00 32.00 137.00 466.50 830.00 1113.00 6189.50
1988 1402.00 951.50 757.50 454.00 334.00 75.00 7.00 7.50 214.00 328.00 843.50 0.00 z 5374.00
Period of Record Statistics
MEAN 1218.11 922.34 789.42 536.47 301.85 109.69 16.53 28.84 185.21 510.49 859.22 1143.78 6610.04
S.D. 177.47 152.98 104.27 79.35 69.93 46.76 15.41 27.03 78.97 76.59 93.32 145.54 461.60
SKEW 0.15 0.62 0.60 0.20 0.01 0.04 1.16 0.82 -0.01 -0.64 0.92 1.46 1.47
MAX 1626.00 1236.00 1054.00 708.50 435.50 223.00 63.50 91.00 329.00 652.50 1169.00 1673.00 8194.00
MIN 826.00 697.50 593.00 408.00 166.00 7.00 0.00 0.00 36.50 306.00 686.00 932.50 5955.00
NO YRS 37 36 35 36 36 36 37 38 38 36 37 37 33