BLISS 4 NW, IDAHO

Monthly Total Heating Degree Days

(101002)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200001
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
1931 907.50 h 920.00 805.50 510.50 237.50 18.00 7.50 9.00 176.50 481.00 1015.00 1255.50 5436.00
1932 1345.00 1179.50 863.50 498.00 311.03 a 134.50 14.50 41.50 122.00 f 550.50 0.00 z 0.00 z 4938.03
1933 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
1934 0.00 z 0.00 z 79.00 z 304.00 108.00 85.50 1.50 0.00 232.00 412.50 675.00 1096.00 2914.50
1935 1140.00 947.00 850.50 548.50 329.50 77.00 11.00 13.50 90.50 524.00 1012.50 1214.50 6758.50
1936 1309.50 1212.00 937.00 454.66 a 210.50 72.00 0.00 0.00 z 0.00 z 0.00 z 295.00 u 0.00 z 4195.66
1937 95.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 20.50 z 368.50 705.50 977.00 2051.00
1938 1047.00 840.00 879.00 511.00 380.50 87.86 b 28.50 19.00 76.00 446.00 993.50 1042.24 b 6350.60
1939 1058.50 1097.00 796.00 444.83 a 164.50 141.21 a 0.00 2.00 137.59 a 297.00 f 750.00 c 850.00 5441.62
1940 1094.50 823.00 636.00 446.00 143.00 39.00 2.50 9.50 33.00 l 375.50 882.50 975.00 5426.50
1941 981.50 743.50 693.00 500.89 b 216.48 a 98.79 a 0.00 13.50 240.54 b 476.00 697.00 975.47 a 5636.67
1942 1320.00 1010.50 857.15 a 435.00 360.12 a 134.46 b 0.00 27.00 123.10 a 450.00 786.00 1016.50 6519.83
1943 1061.50 855.50 782.75 a 310.18 b 312.58 a 142.00 6.50 14.50 38.00 349.50 730.50 1001.50 5605.01
1944 1237.42 a 958.50 819.43 a 531.00 187.07 b 137.50 4.81 b 11.00 133.50 251.62 a 825.00 1079.32 a 6176.16
1945 1073.00 801.50 769.50 604.66 a 255.50 152.00 0.50 9.00 243.50 316.72 a 776.50 1077.77 a 6080.14
1946 1209.50 1018.37 a 660.00 379.00 247.00 26.25 b 0.50 h 0.52 a 132.00 598.00 824.50 893.00 5988.14
1947 1250.69 b 736.00 625.00 436.00 119.57 c 88.50 0.00 a 6.00 104.00 f 288.50 841.03 a 974.00 5365.30
1948 1023.50 940.00 810.00 428.79 a 256.50 24.11 b 7.15 e 3.10 a 116.50 363.00 830.00 1302.00 6104.65
1949 1773.50 1139.50 752.00 304.00 125.00 49.50 0.00 0.00 65.89 b 504.50 545.00 1098.50 6357.39
1950 1291.00 894.50 795.00 492.50 286.00 89.00 3.50 7.00 198.00 394.50 686.00 847.00 5984.00
1951 1216.00 835.50 901.14 b 429.00 244.00 110.50 0.00 16.02 a 102.00 492.50 805.50 1248.00 6400.15
1952 1329.00 1177.72 b 966.50 380.00 216.00 66.50 4.00 6.50 45.00 b 256.50 938.00 965.50 6351.22
1953 776.50 785.00 677.50 536.90 a 389.50 139.00 0.00 d 5.50 59.00 311.50 224.00 o 1039.00 4719.40
1954 966.00 694.00 821.00 465.00 196.33 a 171.43 b 7.75 a 42.50 176.50 457.50 673.85 d 1124.00 5795.86
1955 1280.30 a 1053.23 b 903.50 573.50 332.00 69.50 26.50 0.00 188.50 372.00 928.50 1015.50 6743.03
1956 992.50 1153.50 721.50 430.50 222.17 a 65.50 9.50 27.90 a 86.50 509.00 863.00 1054.00 6135.57
1957 1307.00 921.50 705.00 487.00 212.50 65.50 0.00 8.55 b 79.50 421.00 885.00 963.50 6056.05
1958 1078.50 683.00 765.50 544.50 126.58 a 73.39 b 3.00 0.50 124.00 331.18 a 760.34 a 864.50 5355.00
1959 947.00 793.50 765.00 401.50 271.50 h 44.40 e 11.00 20.50 204.50 428.00 795.00 1084.50 5494.90
1960 1186.50 977.50 707.00 455.36 b 290.00 22.50 0.00 a 66.00 58.00 419.50 749.50 1073.12 a 6004.97
1961 994.00 735.54 b 711.00 487.50 209.00 8.50 0.00 a 0.00 225.52 a 490.50 839.00 626.00 n 4700.56
1962 1340.00 894.00 856.00 360.54 b 313.00 88.00 2.00 31.50 68.50 402.00 715.00 933.50 6004.04
1963 1292.50 640.00 709.00 563.50 177.00 143.00 0.57 d 6.72 a 35.50 281.00 723.50 1156.09 b 5728.38
1964 1268.00 1246.00 968.50 562.24 a 280.00 121.50 2.50 43.00 205.56 c 314.13 a 817.00 979.50 6807.93
1965 980.50 782.50 831.00 416.00 353.00 89.00 1.00 36.50 274.66 a 326.53 a 632.00 1017.46 c 5740.15
1966 1045.96 d 886.00 712.50 506.50 163.00 95.50 5.50 20.67 a 78.00 476.50 702.41 a 1035.00 5727.54
1967 979.50 754.00 705.00 619.00 274.50 100.50 0.00 1.00 54.50 410.00 730.50 1298.50 5927.00
1968 1125.00 758.00 618.50 577.00 254.50 75.00 0.50 92.50 162.50 445.50 794.50 1073.50 5977.00
1969 1078.50 923.00 847.50 430.50 165.00 74.50 7.00 11.50 96.00 581.00 789.50 1017.83 a 6021.83
1970 982.50 696.50 775.50 643.50 258.00 93.50 2.00 0.50 247.00 575.00 524.00 j 1081.00 5355.00
1971 1085.50 833.50 812.50 502.00 222.00 92.00 4.00 0.00 280.50 547.50 807.00 1225.50 6412.00
1972 1160.50 879.00 625.00 529.50 225.50 44.50 14.00 0.00 246.50 464.00 494.50 i 1261.50 5450.00
1973 1099.50 832.50 743.50 513.50 223.50 93.50 3.50 13.00 137.59 a 399.90 a 781.03 a 917.50 5758.52
1974 1193.50 845.50 703.00 497.00 326.00 64.00 14.50 6.50 71.50 357.00 f 479.50 i 1033.50 4755.00
1975 1241.00 922.50 779.50 664.00 357.50 93.00 7.00 25.12 b 99.31 a 375.32 c 845.00 1011.50 6420.75
1976 1147.50 989.50 941.50 510.00 174.50 122.00 1.00 33.50 85.50 462.62 e 743.50 1040.00 6251.12
1977 1268.00 597.00 g 778.00 339.50 364.50 4.50 6.00 39.50 155.19 d 414.62 c 786.50 946.50 5102.82
1978 892.00 809.00 542.00 471.00 318.00 61.50 6.50 37.00 160.00 c 358.22 d 836.50 1225.10 e 5716.82
1979 1442.50 899.50 698.00 488.50 219.00 52.50 1.50 6.50 40.00 306.12 c 650.50 g 954.50 5108.62
1980 1132.50 751.00 743.47 b 390.00 254.50 113.50 2.00 34.00 124.50 375.88 c 767.00 954.00 5642.34
1981 965.50 771.00 648.50 443.50 303.50 69.00 6.00 3.74 b 120.00 524.62 e 665.00 881.71 e 5402.07
1982 1297.00 1062.00 741.50 593.00 312.00 88.00 25.50 2.00 160.50 506.50 890.50 1077.50 6756.00
1983 955.50 760.00 658.00 578.00 317.00 76.00 40.50 0.00 118.00 356.00 735.00 1260.00 5854.00
1984 1320.50 1087.50 756.00 561.00 0.00 z 146.00 1.00 0.50 204.50 583.00 798.00 1341.00 6799.00
1985 1409.00 1179.00 972.00 399.00 200.50 57.00 0.00 52.00 346.50 594.00 1129.00 1590.00 7928.00
1986 1066.00 700.50 279.50 k 465.50 273.50 22.50 29.00 6.72 a 284.00 435.50 777.00 1022.50 5082.72
1987 900.00 i 772.50 669.50 300.00 163.00 47.50 22.00 13.50 80.50 199.00 l 703.50 1043.00 3815.00
1988 1178.00 773.50 713.00 377.50 264.00 31.00 0.00 0.50 163.50 102.00 h 810.00 1191.50 5502.50
1989 1256.00 1096.00 643.50 301.00 241.50 23.50 0.00 29.50 84.00 416.00 732.50 1059.50 5883.00
1990 997.50 903.00 620.00 298.00 263.50 81.50 7.00 7.50 19.50 392.00 730.00 1373.50 5693.00
1991 0.00 z 140.50 v 687.50 493.50 323.50 80.50 0.00 2.50 136.00 301.50 k 854.00 994.50 3572.00
1992 979.00 631.50 520.50 310.00 92.50 52.50 5.50 36.50 100.00 313.21 b 909.00 1256.00 5206.21
1993 1277.00 1097.50 732.00 479.50 148.50 143.50 67.00 31.50 148.50 196.00 n 960.00 1031.00 6116.00
1994 987.00 961.00 587.50 396.00 156.00 36.50 6.00 0.00 35.00 307.50 l 1021.50 1150.00 5336.50
1995 941.00 663.00 666.50 494.00 319.00 158.50 0.00 15.50 74.50 53.50 z 654.50 771.50 4758.00
1996 1060.00 958.00 746.50 424.00 299.50 32.50 0.00 3.00 158.50 366.50 i 647.00 524.00 o 4329.00
1997 0.00 z 868.00 318.00 s 230.50 n 64.00 q 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 868.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 59.50 0.00 z 244.00 t 1133.00 1193.00
1999 686.50 j 860.42 d 0.00 z 417.00 g 0.00 z 85.20 e 4.50 o 1.00 g 0.00 z 0.00 z 0.00 z 0.00 z 945.62
2000 1037.47 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 0.00 z 1037.47
Period of Record Statistics
MEAN 1143.78 895.44 753.68 466.06 246.60 81.33 6.99 16.01 135.55 423.20 798.29 1071.70 6083.91
S.D. 166.98 155.15 103.33 89.49 73.77 40.86 11.49 18.30 74.28 90.18 109.67 146.18 498.15
SKEW 0.79 0.46 0.20 -0.13 -0.10 0.20 3.05 1.71 0.67 0.14 0.63 0.87 1.25
MAX 1773.50 1246.00 972.00 664.00 389.50 171.43 67.00 92.50 346.50 598.00 1129.00 1590.00 7928.00
MIN 776.50 631.50 520.50 298.00 92.50 4.50 0.00 0.00 19.50 251.62 545.00 771.50 5206.21
NO YRS 61 63 62 64 62 65 63 64 61 55 58 62 39