BONNERS FERRY, IDAHO

Monthly Total Heating Degree Days

(101079)

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
1907 0.00 z 0.00 z 0.00 z 0.00 z 314.50 224.50 61.50 181.00 305.00 445.50 826.00 1105.00 3463.00
1908 1186.00 1075.50 904.50 561.50 439.50 213.50 38.50 96.00 242.00 626.00 804.50 1171.50 7359.00
1909 1442.50 938.00 846.00 684.50 433.50 164.50 87.00 89.50 187.00 610.00 879.50 1305.00 7667.00
1910 1266.00 1245.00 709.00 489.00 281.00 199.00 63.00 163.00 298.50 537.50 875.00 1040.00 7166.00
1911 1279.00 1068.50 801.50 649.50 495.50 179.00 102.50 134.50 361.00 621.00 1082.00 1213.00 7987.00
1912 1262.50 968.50 975.50 592.00 363.00 152.00 162.50 199.00 0.00 z 711.00 832.00 1113.50 7331.50
1913 1330.00 1251.00 1081.50 665.50 451.00 186.50 137.50 101.50 333.00 768.00 848.00 1161.50 8315.00
1914 1049.50 1062.50 822.00 542.00 360.50 271.00 42.00 66.00 426.00 601.50 838.50 1330.00 7411.50
1915 1247.50 897.00 744.50 453.50 372.50 260.50 107.50 0.50 301.00 570.00 1068.00 1272.00 7294.50
1916 1673.00 36.50 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 1673.00
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
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 1045.00 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 1045.00
1935 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
1936 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 401.00 j 1065.50 1099.00 2164.50
1937 1862.50 1197.50 937.50 635.50 304.50 149.00 12.00 101.50 189.50 518.00 817.50 1090.00 7815.00
1938 1170.50 1072.00 893.50 539.00 335.50 80.50 10.00 61.50 108.00 547.50 983.00 1109.00 6910.00
1939 1037.00 1139.00 840.50 493.50 295.50 263.50 47.00 32.50 255.00 601.00 850.00 986.50 6841.00
1940 1217.00 940.50 713.50 507.00 224.50 69.50 12.00 16.50 107.00 498.50 1037.00 1053.00 6396.00
1941 1110.50 870.50 632.00 385.00 305.50 105.50 0.00 56.50 330.50 628.50 824.00 1063.50 6312.00
1942 1354.00 971.50 811.00 473.00 228.50 p 221.00 34.00 52.50 182.50 549.50 1000.50 1094.50 6744.00
1943 1455.50 945.00 1055.50 484.50 387.00 227.00 52.50 51.00 201.00 596.00 920.00 1179.00 7554.00
1944 1210.00 1011.00 912.50 515.00 309.00 117.00 36.00 32.00 189.50 466.50 899.50 1222.50 6920.50
1945 1064.50 893.50 884.00 459.50 j 382.00 232.00 46.00 56.50 371.00 606.50 977.50 1194.00 6707.50
1946 1171.00 952.00 765.50 533.50 256.00 173.50 0.00 z 0.00 z 0.00 z 685.50 1005.00 1129.00 6671.00
1947 1268.50 941.00 758.50 506.50 208.50 174.50 28.00 83.50 234.00 502.00 903.50 1015.50 6624.00
1948 1223.00 1078.00 911.00 590.50 321.50 67.00 56.00 57.50 235.50 612.00 890.50 1345.50 7388.00
1949 1655.00 1169.78 a 921.00 458.50 248.00 146.38 a 43.00 41.33 a 225.00 654.00 790.56 c 1130.31 e 7482.85
1950 1717.50 1011.00 939.50 615.50 388.00 174.11 b 28.50 15.50 189.00 623.50 924.00 1014.96 d 7641.07
1951 1205.50 983.50 d 1028.00 536.50 315.50 167.50 36.50 70.30 c 253.00 635.50 666.50 h 1286.50 e 6518.30
1952 1333.60 e 718.50 i 863.50 448.50 285.00 153.60 e 40.50 48.00 142.00 119.00 w 976.50 1062.78 a 5353.98
1953 870.50 837.00 775.53 b 552.69 d 340.00 81.50 p 20.00 0.00 z 47.50 z 511.00 796.50 944.50 5647.73
1954 1196.37 d 880.50 957.00 649.00 324.50 227.00 54.00 53.00 g 276.50 690.35 e 727.00 1076.50 7058.72
1955 1123.50 1069.00 1077.50 672.22 c 432.93 b 138.89 c 98.34 b 73.00 148.00 m 583.00 595.00 n 1241.50 6509.89
1956 1178.00 1159.42 d 927.50 505.50 256.78 a 168.60 e 37.50 59.00 210.52 a 592.62 a 1015.00 c 1068.50 7178.94
1957 1562.50 1083.50 891.54 d 533.79 a 177.98 b 95.50 f 52.59 c 62.50 h 194.00 671.87 e 729.50 f 966.00 6133.77
1958 1051.00 787.00 818.00 577.00 151.50 66.50 12.50 18.00 256.00 585.50 998.00 1074.00 6395.00
1959 1137.50 1025.00 824.00 554.46 b 435.03 a 156.00 62.50 106.43 a 308.50 611.50 1125.50 1098.00 7444.43
1960 1364.50 1008.50 888.00 573.50 383.37 a 131.50 8.50 115.00 0.00 z 555.50 923.00 1154.50 7105.87
1961 1073.50 780.50 741.33 b 590.00 333.50 60.50 14.00 0.50 351.50 654.00 1062.50 948.00 h 5661.83
1962 1314.00 925.00 932.00 472.00 387.50 a 148.39 b 89.26 b 77.50 235.00 567.50 757.00 950.00 6855.15
1963 1438.00 795.50 759.00 555.00 340.00 135.50 65.10 a 39.50 125.69 a 496.50 832.00 1180.58 a 6762.37
1964 1065.00 988.00 937.00 600.00 398.50 133.45 a 36.50 164.96 c 355.00 607.00 923.50 1262.00 7470.91
1965 1058.65 a 931.50 1039.00 519.50 377.34 b 125.50 31.00 68.50 428.57 b 543.00 851.50 1072.00 7046.07
1966 1131.50 929.00 886.50 586.50 307.50 226.55 a 50.00 70.02 b 106.61 b 609.84 b 865.50 991.00 6760.52
1967 985.00 847.50 898.00 663.62 a 366.00 92.68 b 23.25 a 11.50 91.00 564.50 898.50 1130.50 6572.05
1968 1188.00 871.00 594.00 f 622.00 372.52 a 173.00 34.50 93.00 a 276.50 0.00 z 903.00 1317.50 5851.02
1969 1480.00 1070.00 905.20 a 549.11 b 249.50 112.50 69.48 b 48.50 f 234.31 a 692.00 864.11 b 1091.00 7317.21
1970 1220.00 898.00 872.50 711.21 a 305.35 a 108.50 23.77 a 18.50 389.50 689.00 935.50 1189.50 7361.32
1971 1134.50 929.50 918.00 572.00 282.00 223.97 a 96.00 16.02 a 362.59 a 673.45 b 882.50 1249.50 7340.02
1972 1310.00 966.00 740.00 670.50 297.00 143.28 a 80.50 23.00 361.55 a 669.50 852.41 a 1250.00 7363.74
1973 1239.50 926.50 775.00 575.69 a 314.28 b 157.00 28.42 a 53.50 231.00 594.17 a 982.00 1015.77 a 6892.82
1974 1217.27 a 837.50 843.50 514.00 410.00 76.03 a 41.91 d 37.41 b 237.12 d 580.14 c 802.50 b 994.00 6591.38
1975 1250.00 1100.00 928.21 e 699.50 377.50 203.65 d 15.50 95.77 c 235.86 a 601.92 a 944.00 1087.00 7538.91
1976 1111.35 a 950.50 963.07 a 543.50 293.00 217.24 a 38.48 b 82.84 b 169.14 a 615.72 b 902.00 1021.45 a 6908.30
1977 1236.38 a 836.00 829.77 a 459.31 a 380.27 a 73.50 49.82 c 47.53 a 312.50 609.67 a 971.50 1221.00 7027.25
1978 1204.00 892.89 a 762.08 a 549.83 a 373.00 104.00 19.12 a 60.50 k 242.07 a 593.81 b 1008.50 1299.50 7048.80
1979 1599.50 941.50 780.00 551.50 313.00 106.00 44.43 a 0.52 a 170.50 544.00 1040.00 960.50 7051.45
1980 1457.00 983.00 876.50 458.00 246.50 175.50 47.50 137.00 270.00 569.50 854.50 1006.50 7081.50
1981 1053.00 878.00 747.00 555.50 279.50 215.50 56.00 17.50 229.50 646.00 832.50 1123.00 6633.00
1982 1187.50 980.00 802.50 650.00 347.50 77.50 87.00 42.00 236.50 617.50 962.59 a 1153.50 7144.09
1983 1015.00 807.50 701.00 546.00 272.50 135.00 74.00 7.50 309.00 574.00 783.50 1455.50 6680.50
1984 1047.50 888.00 722.50 552.00 398.50 174.50 27.50 41.50 315.50 669.00 916.50 1348.00 7101.00
1985 1262.50 1088.50 878.00 495.00 276.00 122.50 0.00 80.50 363.50 661.50 1253.50 1279.50 7761.00
1986 1035.50 976.50 680.50 540.00 304.50 54.31 a 117.00 1.00 337.50 549.00 920.00 1119.50 6635.31
1987 1183.00 876.00 741.00 408.00 223.50 88.00 37.50 72.50 152.00 589.00 797.50 1170.50 6338.50
1988 1249.00 912.50 740.00 435.00 268.50 119.00 35.00 32.00 252.00 440.00 816.50 1112.50 6412.00
1989 1081.50 1186.00 865.00 466.50 323.50 57.00 14.50 73.50 229.50 0.00 z 0.00 z 0.00 z 4297.00
1990 0.00 z 0.00 z 0.00 z 466.50 390.50 199.00 28.50 35.00 119.50 617.00 801.50 1352.50 4010.00
1991 1301.00 766.50 888.00 566.50 341.00 201.00 45.00 54.00 211.50 672.50 941.50 1069.50 7058.00
1992 1039.00 824.00 667.50 461.00 204.00 59.00 34.00 78.00 290.50 549.50 857.50 1288.00 6352.00
1993 1377.00 1095.00 817.00 513.00 143.50 145.00 174.50 85.00 261.72 a 0.00 z 1073.50 1068.00 6753.22
1994 928.50 1021.00 723.00 438.50 266.50 137.00 22.00 22.50 134.00 626.00 981.50 1118.00 6418.50
1995 1157.00 859.00 843.00 554.50 242.00 130.50 18.50 107.00 180.50 645.50 810.50 1138.50 6686.50
1996 1323.18 a 1121.50 901.50 525.00 430.00 108.00 31.50 36.50 304.00 633.00 977.50 1294.50 7686.18
1997 1248.50 1000.00 884.50 603.50 256.00 125.00 26.00 33.50 183.00 558.50 862.00 1071.00 6851.50
1998 1112.50 817.50 741.00 477.00 220.00 113.00 0.50 21.70 a 112.00 622.00 777.00 1127.37 a 6141.57
1999 980.00 860.74 a 783.78 a 569.00 389.50 201.50 84.50 21.70 a 265.00 615.19 b 763.93 b 996.50 6531.34
2000 1156.50 985.48 a 778.74 b 500.00 359.00 143.33 c 40.50 53.50 322.76 a 613.91 c 1033.97 a 1243.50 7231.19
2001 1131.50 d 1048.92 b 812.50 560.00 c 266.60 a 188.00 36.50 17.10 b 135.00 b 640.00 769.82 b 1171.00 6776.95
2002 1102.50 934.89 a 958.50 531.50 387.50 120.00 32.00 56.50 239.50 775.50 892.50 992.50 7023.39
2003 1027.00 882.00 766.00 0.00 z 0.00 z 32.00 m 6.00 g 3.50 194.00 562.50 797.50 g 1214.74 d 4649.74
2004 936.50 f 932.00 698.69 e 434.50 319.50 142.80 e 25.50 38.50 271.80 e 559.00 874.50 996.00 5292.79
2005 1233.50 919.50 749.50 473.00 265.00 145.00 14.50 34.50 261.00 542.50 899.50 1314.00 6851.50
2006 924.00 984.50 829.80 c 504.23 d 276.13 d 44.00 p 0.00 u 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3518.66
Period of Record Statistics
MEAN 1222.66 969.11 842.34 542.98 321.48 150.12 47.25 59.49 246.69 600.95 908.59 1141.79 7035.80
S.D. 186.94 111.45 99.24 71.88 71.81 54.06 34.80 43.59 80.58 64.24 99.93 115.14 471.96
SKEW 1.05 0.47 0.29 0.30 -0.13 0.16 1.51 1.08 0.09 0.00 0.72 0.38 0.32
MAX 1862.50 1251.00 1081.50 711.21 495.50 271.00 174.50 199.00 428.57 775.50 1253.50 1455.50 8315.00
MIN 870.50 766.50 632.00 385.00 143.50 54.31 0.00 0.50 91.00 440.00 727.00 944.50 6141.57
NO YRS 77 77 76 76 77 75 76 72 73 74 74 77 57