THREE CREEK, IDAHO

Monthly Total Heating Degree Days

(109119)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198708
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
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 25.50 49.50 306.00 418.00 i 1000.00 1061.23 a 2442.23
1941 1126.00 872.00 866.00 747.50 419.50 299.50 44.00 110.50 498.50 672.00 816.50 1105.00 7577.00
1942 1302.00 1229.00 781.00 g 636.50 628.00 361.00 44.29 c 80.00 0.00 z 0.00 z 861.50 1028.50 6170.79
1943 1180.00 897.50 956.00 500.00 530.00 384.50 68.50 63.00 193.00 527.50 863.00 809.00 i 6163.00
1944 0.00 z 862.50 g 1020.50 657.00 352.00 321.00 49.00 92.00 0.00 z 367.00 0.00 z 0.00 z 2858.50
1945 0.00 z 0.00 z 0.00 z 27.00 z 0.00 z 0.00 z 39.02 b 0.00 z 417.50 505.00 0.00 z 1197.50 2159.02
1946 1224.50 1030.00 920.50 613.50 550.50 260.00 59.50 98.00 373.00 833.00 962.50 1029.00 7954.00
1947 1361.50 871.00 659.00 h 448.00 i 422.00 390.50 77.50 115.00 332.50 461.50 980.00 1140.11 d 6151.61
1948 1075.50 1087.50 1077.00 747.00 285.00 m 271.50 130.00 153.50 353.50 633.00 1018.97 a 1413.50 7960.97
1949 1762.00 1222.00 988.50 619.00 479.00 311.50 102.50 114.50 287.50 830.50 749.00 1248.00 8714.00
1950 1052.50 g 969.50 1053.00 771.00 655.50 373.50 116.50 173.00 365.56 c 466.00 791.50 535.00 k 5735.06
1951 0.00 z 468.00 q 1075.00 633.50 471.50 362.00 59.50 134.50 299.50 675.50 911.50 1279.50 5902.00
1952 1259.50 1146.50 1098.00 590.50 286.00 j 268.50 105.50 0.00 z 0.00 z 0.00 z 1103.00 1040.00 6611.50
1953 846.50 949.00 893.50 750.52 a 669.00 370.50 40.50 122.89 c 234.50 h 0.00 z 711.50 881.00 g 5353.91
1954 1115.48 a 792.00 1022.00 630.00 398.50 339.00 48.50 194.00 214.50 l 743.50 545.50 g 1226.00 6508.98
1955 1395.00 1136.24 c 1074.00 556.00 j 564.50 239.00 126.50 13.00 319.00 569.00 981.50 1028.50 7446.24
1956 1052.50 609.00 o 954.00 684.50 437.00 91.00 u 62.50 189.50 364.00 694.00 988.00 1151.50 6577.50
1957 1401.50 911.62 b 944.00 732.00 490.00 250.50 87.00 152.50 333.50 704.00 1080.50 1020.42 a 8107.53
1958 1173.50 819.50 1024.00 770.00 341.00 265.00 133.50 63.00 321.11 c 603.00 901.00 935.00 7349.61
1959 1021.50 1013.50 926.50 643.00 338.50 m 191.50 93.50 181.98 d 328.50 n 629.00 851.79 b 1212.00 6764.27
1960 1399.65 a 1176.65 b 896.23 c 516.50 f 544.64 b 226.50 59.00 206.00 207.00 l 303.00 n 899.48 a 1175.00 6583.15
1961 1126.69 b 870.50 952.50 766.50 452.50 g 136.73 d 44.50 45.50 418.00 h 699.50 982.50 1005.50 h 5624.92
1962 1329.50 986.50 1112.00 637.50 576.00 297.93 a 167.50 213.00 334.50 257.50 q 869.48 a 1052.00 7575.91
1963 1352.50 782.50 1000.00 862.00 448.00 413.08 d 142.00 137.50 174.50 505.76 d 854.48 a 1166.00 7838.32
1964 1314.00 1177.50 1146.00 846.00 513.00 344.00 83.00 177.00 433.27 d 562.00 1032.00 1172.50 8800.27
1965 1099.00 519.50 k 1053.50 662.00 628.00 277.00 g 69.50 o 176.50 f 535.00 356.50 n 812.00 1228.50 6018.00
1966 1188.50 1095.50 936.00 748.50 408.00 294.00 70.50 94.50 190.00 f 683.00 871.15 d 1176.00 7565.65
1967 1092.23 a 890.00 916.50 882.50 514.60 a 298.20 e 22.06 e 28.50 242.00 569.33 e 895.18 b 1313.00 7664.10
1968 1188.50 850.32 a 859.50 838.50 575.50 174.50 h 17.00 k 233.50 247.50 i 664.00 944.50 1192.43 b 7346.75
1969 938.50 g 1082.50 1067.00 654.00 417.00 297.50 98.50 87.00 202.50 f 779.00 915.00 1125.00 6522.50
1970 1148.00 829.00 1009.50 947.50 510.00 267.78 c 72.33 d 64.00 375.50 g 819.50 655.00 g 1016.00 f 5667.61
1971 1094.30 a 1002.50 1034.37 a 752.59 a 495.00 250.00 f 125.00 96.44 d 457.50 g 773.50 1005.00 c 1333.50 7712.20
1972 1307.50 1027.08 e 861.00 772.50 519.50 242.50 111.50 123.50 367.00 h 711.50 1012.20 e 1321.50 8010.28
1973 1266.50 978.00 1023.60 e 807.00 371.50 g 242.00 96.50 94.00 162.50 s 0.00 z 0.00 z 0.00 z 4507.60
1974 0.00 z 971.70 a 832.41 d 502.50 g 544.57 a 143.00 59.79 c 97.81 b 278.79 a 581.85 e 822.93 a 1206.50 5539.34
1975 150.00 z 504.00 o 1000.35 e 915.00 593.65 a 311.00 43.63 d 183.02 e 325.00 650.00 999.00 1034.50 6055.15
1976 1163.53 a 1008.02 b 1118.58 a 812.31 d 446.00 325.50 68.00 0.00 z 308.57 b 689.20 c 868.97 a 1133.05 a 7941.73
1977 1261.50 940.50 1050.68 c 584.46 b 644.50 143.57 b 73.76 b 0.00 z 0.00 z 0.00 z 909.83 a 1033.33 a 6642.13
1978 0.00 z 988.40 c 755.00 0.00 z 577.78 b 281.25 b 99.72 a 166.88 a 361.03 a 0.00 z 0.00 z 0.00 z 3230.06
1979 1482.83 a 960.50 904.50 0.00 z 0.00 z 0.00 z 70.27 a 95.58 a 211.03 a 544.00 1059.83 a 1001.54 e 6330.08
1980 1179.55 a 841.50 947.50 296.00 p 562.77 e 0.00 z 58.50 g 0.00 z 270.00 h 0.00 z 931.11 c 987.35 a 5449.78
1981 1043.50 917.00 d 902.50 665.36 b 525.93 b 253.27 d 94.11 c 120.38 a 246.00 g 717.28 b 823.39 b 1016.00 7078.72
1982 1288.64 b 1011.11 a 932.50 828.00 521.00 247.00 115.98 b 50.00 337.50 695.00 455.00 p 0.00 z 6026.73
1983 340.00 u 871.00 874.50 852.50 576.00 296.00 172.50 52.00 316.00 312.50 m 896.50 1320.50 6227.50
1984 1310.50 1135.50 920.50 799.50 509.00 369.60 e 33.00 n 29.50 0.00 z 0.00 z 955.96 d 800.50 m 6030.06
1985 1423.70 d 1132.38 b 1092.75 c 562.80 e 336.00 f 240.00 a 33.50 g 161.00 0.00 z 0.00 z 588.50 q 968.50 i 4612.64
1986 987.00 929.92 b 477.00 k 0.00 z 517.91 b 79.50 m 0.00 z 0.00 z 317.50 q 654.62 a 905.19 d 1205.26 b 5199.90
1987 1322.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 89.50 s 286.00 0.00 z 0.00 z 0.00 z 0.00 z 1608.50
Period of Record Statistics
MEAN 1228.08 985.07 978.38 727.64 515.17 287.62 83.01 120.56 331.59 642.80 918.91 1147.48 8000.60
S.D. 164.70 121.51 89.33 106.88 81.21 67.85 36.98 61.65 81.54 111.98 89.60 116.58 521.65
SKEW 0.58 0.32 -0.17 0.03 -0.16 -0.37 0.54 0.45 0.42 -0.35 -0.07 0.25 0.52
MAX 1762.00 1229.00 1146.00 947.50 669.00 413.08 172.50 286.00 535.00 833.00 1103.00 1413.50 8800.27
MIN 846.50 782.50 755.00 500.00 341.00 136.73 22.06 13.00 174.50 367.00 711.50 935.00 7349.61
NO YRS 38 40 42 37 38 38 41 41 26 33 39 36 8