BAYVIEW MODEL BASIN, IDAHO

Monthly Total Heating Degree Days

(100667)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 100.00 285.50 661.50 867.50 1227.50 3142.00
1949 1570.00 1041.00 916.00 577.00 335.50 180.50 79.00 0.00 z 317.59 a 713.00 731.50 1077.50 7538.59
1950 1577.50 990.00 939.30 a 700.00 490.50 224.44 c 82.84 b 66.13 a 293.00 611.00 841.50 951.00 7767.22
1951 1109.50 910.50 0.00 z 605.00 417.00 239.00 68.00 75.00 259.00 613.50 851.50 1230.00 6378.00
1952 1161.50 1009.00 888.00 579.00 373.00 195.50 48.00 f 92.00 187.00 504.50 948.50 1001.00 6939.00
1953 821.50 830.00 821.00 660.50 459.50 283.00 51.00 64.50 229.00 528.00 745.50 933.00 6426.50
1954 1151.00 843.50 739.00 h 650.50 432.50 310.50 76.50 139.50 309.00 723.00 740.17 a 1060.00 6436.17
1955 1107.50 744.00 i 1044.59 c 759.50 525.00 218.50 143.50 93.50 298.50 582.00 1077.00 1152.00 7001.59
1956 1130.97 b 1192.50 953.52 b 612.00 411.00 247.50 76.50 125.00 296.00 635.50 765.50 f 536.00 n 5680.48
1957 1441.50 1034.00 920.50 631.00 307.00 190.00 116.50 156.00 284.00 631.50 917.50 925.50 7555.00
1958 1037.50 781.00 893.00 664.50 223.00 139.50 70.00 29.50 282.00 601.00 911.00 994.50 6626.50
1959 1090.50 994.00 873.00 647.50 560.50 220.00 120.00 o 177.50 407.00 659.00 1025.00 1038.00 7692.00
1960 1245.00 1014.50 934.50 733.50 560.00 225.00 36.00 160.50 336.00 654.50 902.00 1131.50 7933.00
1961 1056.00 789.00 863.50 687.00 524.93 a 179.50 33.07 a 8.50 361.00 671.67 a 1028.50 1145.50 7348.17
1962 1274.50 944.74 a 996.13 a 586.50 523.00 190.50 k 141.00 145.00 314.00 589.50 780.50 968.00 7262.87
1963 1413.50 844.00 850.50 705.00 441.50 222.00 133.00 122.00 259.00 564.50 832.50 1171.50 7559.00
1964 1104.50 1053.50 1011.50 706.50 486.00 202.00 101.00 219.00 432.50 645.50 898.00 1216.50 8076.50
1965 1019.50 957.50 1075.50 632.50 452.60 a 211.00 73.50 103.00 329.00 h 584.87 a 780.50 1011.50 6901.97
1966 1099.50 944.00 867.00 656.00 381.00 284.48 a 75.00 99.00 175.00 611.00 856.50 979.00 7027.48
1967 978.50 873.50 914.00 726.00 432.50 160.50 31.00 24.00 172.50 614.50 885.50 1124.00 6936.50
1968 1127.00 890.50 819.00 696.00 449.00 213.00 92.00 140.00 336.00 712.50 898.50 1199.00 7572.50
1969 1408.50 1057.50 954.00 660.00 363.50 143.28 a 132.50 126.00 276.00 715.00 875.50 1051.00 7762.78
1970 1193.00 894.96 a 951.00 722.50 408.17 a 150.50 58.00 94.55 a 425.00 744.00 884.50 1144.50 7670.68
1971 1087.50 951.50 965.50 688.00 406.00 292.50 129.50 52.00 453.00 719.50 869.50 1151.50 7766.00
1972 1287.00 993.50 832.50 706.50 387.50 239.50 89.00 56.00 366.50 720.00 872.00 1227.50 7777.50
1973 1241.50 946.00 853.50 672.50 398.00 222.00 75.50 82.50 336.00 644.00 910.50 959.00 7341.00
1974 1218.50 887.00 894.50 630.00 519.50 135.00 83.50 93.00 a 305.50 676.83 a 823.50 1008.00 7274.83
1975 1198.50 1079.50 958.00 767.07 a 436.98 e 274.50 38.00 162.00 358.00 634.00 935.00 1035.00 7876.55
1976 1047.50 972.00 991.50 654.50 434.50 346.55 a 102.00 146.00 270.50 652.50 857.00 1061.50 7536.05
1977 1228.00 864.00 879.00 589.50 484.50 65.50 k 104.50 67.17 a 420.00 676.00 906.50 1124.50 7343.67
1978 1109.50 863.50 791.50 625.00 458.50 183.00 53.00 143.50 328.00 649.50 996.72 a 1272.50 7474.22
1979 1526.50 980.00 a 868.50 683.50 413.00 206.50 0.00 z 53.22 a 258.46 d 544.64 b 954.50 931.00 7419.82
1980 1270.00 974.50 891.00 570.50 162.00 s 0.00 z 0.00 z 179.00 298.00 637.50 836.00 955.50 6612.00
1981 951.00 907.00 825.00 649.50 476.50 338.50 172.00 73.50 0.00 z 691.00 807.50 1079.50 6971.00
1982 1160.43 a 1103.85 b 846.50 756.00 499.50 158.50 171.00 106.00 221.00 i 41.00 z 0.00 z 83.00 z 4801.78
1983 945.50 832.00 790.50 689.50 404.50 262.50 208.00 71.50 408.00 657.00 752.00 1325.00 7346.00
1984 1110.50 906.50 818.50 647.50 527.00 270.00 68.41 b 62.50 384.00 731.00 865.50 1267.00 7658.41
1985 1224.00 1113.00 931.00 606.00 408.68 a 0.00 z 10.00 k 173.50 437.00 708.00 1195.00 1288.00 8084.18
1986 1072.00 967.00 778.50 677.00 453.00 134.50 157.50 38.00 408.62 a 637.50 892.00 1099.50 7315.12
1987 1150.00 873.00 826.50 545.50 336.50 195.00 113.00 199.00 295.50 661.50 777.50 1097.00 7070.00
1988 1183.50 0.00 z 837.50 574.50 439.00 214.50 106.50 79.50 328.00 524.00 815.50 1099.50 6202.00
1989 1068.50 1219.50 952.50 609.00 479.00 134.50 73.50 138.00 330.00 625.50 804.00 1025.00 7459.00
1990 976.00 1004.00 898.00 553.50 496.00 266.50 62.50 79.50 187.50 640.50 827.50 1338.00 7329.50
1991 1231.50 792.00 947.00 637.50 477.00 297.00 51.00 49.50 252.00 685.00 898.50 998.00 7316.00
1992 1009.50 823.00 791.50 582.00 314.50 124.50 89.50 124.50 399.00 578.50 897.00 1219.00 6952.50
1993 1257.00 1063.00 912.50 652.00 260.00 201.00 219.50 125.00 321.50 550.00 1040.00 1038.00 7639.50
1994 929.00 1027.00 859.50 532.50 366.00 272.50 36.50 36.50 208.50 609.50 961.00 1071.50 6910.00
1995 1055.00 815.00 879.00 650.50 320.00 218.00 42.00 191.50 242.50 688.00 767.50 1062.00 6931.00
1996 1147.00 1030.50 968.00 631.00 624.00 245.00 64.50 120.00 368.00 672.00 948.00 1207.00 8025.00
1997 1153.00 964.00 899.00 750.50 392.00 202.50 56.00 40.00 247.50 602.00 841.00 1076.50 7224.00
1998 1050.50 817.50 787.00 534.00 283.50 147.00 0.50 40.00 182.00 647.00 787.00 1125.50 6401.50
1999 1027.50 850.00 866.00 690.00 466.03 a 238.00 126.00 67.50 369.00 651.50 783.50 1004.50 7139.53
2000 1110.00 963.00 875.00 604.50 457.50 256.03 a 89.50 90.50 383.50 0.00 z 1058.28 a 1214.68 a 7102.49
2001 1111.00 1056.00 878.00 733.00 409.00 294.31 a 94.50 86.28 a 243.50 770.50 826.03 a 1129.50 7631.63
2002 1096.50 989.69 b 1036.50 687.00 541.00 259.50 78.00 105.50 364.00 837.50 987.50 1011.50 7994.19
2003 1027.50 971.50 860.00 709.50 484.00 182.00 64.00 72.50 284.50 628.00 1092.50 1163.50 7539.50
2004 1215.50 996.50 581.00 k 0.00 z 453.50 247.00 64.50 86.50 393.50 694.00 973.50 1051.00 6175.50
2005 1111.50 956.00 790.50 574.00 341.50 266.00 0.00 z 88.00 263.00 f 570.50 892.00 1194.50 6784.50
2006 922.00 989.50 874.95 b 576.50 391.08 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3754.03
Period of Record Statistics
MEAN 1148.77 954.12 893.45 649.78 431.50 221.96 89.28 100.69 314.19 646.17 888.04 1100.77 7399.75
S.D. 153.31 98.24 69.56 60.42 78.51 54.34 44.81 47.93 73.03 63.60 96.79 106.05 417.24
SKEW 0.89 0.32 0.48 -0.03 -0.29 0.12 0.89 0.40 -0.10 0.19 0.79 0.30 -0.61
MAX 1577.50 1219.50 1075.50 767.07 624.00 346.55 219.50 219.00 453.00 837.50 1195.00 1338.00 8076.50
MIN 821.50 781.00 778.50 532.50 223.00 124.50 0.50 8.50 172.50 504.50 731.50 925.50 6401.50
NO YRS 58 56 55 57 57 53 51 57 54 56 56 56 38