COUNCIL, ID

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(102187)

Base Temperature = 65 F

File last updated on Mar 05, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1911-----z-----z-----z-----z-----z-----z21.96c18.00 232.50 -----z742.00g1178.00 1450.46h
19121279.50a994.50 876.50a564.00 256.55b67.00a50.36c44.00a270.00 570.00 760.00 965.00g5732.41a
19131317.00a1223.00 1052.50 546.50 281.00 90.11b46.50 7.76b164.52d618.00 757.00a1142.07b7245.95
1914908.00g1029.00a756.50 217.00o218.04c190.00 7.24b10.00a247.00 439.50 731.98c1042.50f3629.26c
19151190.17b761.50a-----z318.00 382.00 173.50 48.50 0.00 206.00 439.50 925.50a1199.00 5643.67a
19161358.00a1009.00 847.00 517.50 464.50 196.50 41.50 35.00 183.00 582.50 955.50 1353.50 7543.50
19171460.50 1131.00 1229.50 727.50a405.00 198.00 3.00 1.00 100.00 447.50 688.50 786.50 7178.00
19181067.00 989.00a782.50 557.50 369.00 40.00a14.00 81.50 86.00 450.00 852.50 1211.00 6500.00
19191195.00 967.50 858.00 463.00 317.00 104.00a4.00 4.50 133.50a673.00 -----z-----z4719.50b
19201323.00 1007.50 879.50 699.00 396.50 155.00 2.00 54.50 184.50 614.50 880.50 1101.72b7298.22
19211154.00 1013.50 831.00 674.00 304.50 65.50 28.50 1.00 337.00 390.00 746.50 1064.00 6609.50
19221502.50 1056.50a1018.50 705.50 348.50a32.00 3.00 11.00 116.50a392.50a876.00 1193.50a7256.00
19231141.50 987.50 938.50a581.50 342.00 198.00 8.50a3.00 117.00 541.00 760.00 1174.50 6793.00
19241334.00a824.00 865.00 523.00a150.50 100.00 8.00 19.00 167.50 483.50 847.50 1331.00a6653.00
19251175.50 853.00a743.57c462.50 177.00 153.50 0.00 49.00 170.50 494.00 824.50 1091.50 6194.57
19261304.00 849.00 671.00 335.50 323.50 81.50 1.00 15.00 305.00 427.50a726.50 1193.00a6232.50
19271245.50 961.00 855.00 577.00 420.00 64.00 6.00 26.50 253.00 507.50 739.50 1444.50 7099.50
19281225.50a1151.00 828.00 613.50 137.50 140.00 13.00a11.50 130.50 551.00 844.50 1334.00 6980.00
19291541.50 1237.50 870.50 661.00 336.50 182.00 2.50a0.00 293.50 493.00 895.50 995.00 7508.50
19301604.00 878.50 760.00 375.00 371.50 144.50 1.00 4.00 168.50 569.50 1003.00 1481.50a7361.00
19311310.50 1116.50 888.50 494.00a220.50 61.00 2.00 0.00 209.50a455.50 978.00a1340.17b7076.17
19321348.50a1196.50a940.00 514.00a301.50 92.50 10.00 44.50 105.50a525.50 809.50 1363.00 7251.00
19331222.00a1360.50 967.00a580.50a428.50 46.50 1.50 28.50 216.00 313.45b738.00 910.50 6812.95
1934915.00 657.00 562.00 278.00a159.50 113.00 2.50 1.00 234.00 404.00 676.00a1181.50 5183.50
19351244.50 1082.00 946.50 587.50 337.00 96.50 19.00 20.00 81.00 467.00 969.00 1232.50 7082.50
19361188.50a1249.00 987.00 456.50 189.50 98.00 1.00a6.50 183.50 368.00 859.00 1055.00 6641.50
19371660.50 1117.50 831.00 611.00 237.50 134.00 0.00a40.00 135.50 385.00 712.73d962.50 6827.23
19381058.50 834.00 823.50 485.00 315.00a69.00a26.00a23.50 56.00 420.50 -----z-----z4111.00b
1939-----z-----z-----z383.50 199.00 184.00 8.50 1.50 130.50 462.00a742.00 863.50 2974.50c
19401108.50 910.50 686.50a511.50 185.50 60.50 5.00 -----z163.00 426.00 951.00 998.50a6006.50a
19411078.50 838.00a672.50 463.48b309.83b153.50a0.50 50.00 272.91b503.00 759.00 1011.00a6112.22
19421281.72b1039.00 907.50 475.50 -----z-----z0.00 34.82c99.00 406.00 827.04c1020.00b6090.58b
19431227.50a991.50 941.00a379.50a365.50 165.00 16.03b29.00a46.50 414.00 776.50 1033.50 6385.53
19441260.00b939.50 869.00 522.50 243.00 156.50a17.50 8.00 135.50 260.00 845.00 1153.50 6410.00
19451142.00 839.50 801.50 559.50 261.50 188.50 1.50a20.50 258.00a366.00 875.00 1119.50 6433.00
19461224.00 1014.58b790.50 415.50 240.50 80.00 2.00a1.50 211.00a622.76b859.00 935.00a6396.34
19471267.50a835.50 628.00a479.54b155.50 187.00 0.00 23.50 168.50 380.17b866.78c1043.00a6034.99
19481156.50 929.00a881.50a590.88b325.96e40.50 24.00 31.00 164.00 438.00 902.50 1366.00a6849.84
19491697.50a1025.00a785.00 393.50 187.00 115.00 7.00 0.00 103.50 593.79b663.00 1124.00 6694.29
19501325.89c1033.50 899.00 572.50 374.00 148.00 8.00 12.00 181.00 416.50 767.00 943.50 6680.89
19511231.50 945.50 981.00 441.00 293.00 161.00 8.50 43.50 134.00 486.11d837.50 1200.00 6762.61
19521288.00 1277.00 1063.00 253.50l252.50 113.00 16.00 8.00 67.50 375.50 923.50 1142.00 6526.00a
1953905.00 603.00g-----z533.00 386.00 157.00 3.00 15.00 81.50 406.00 696.50 1143.00 4326.00b
19541062.50 795.00 826.00 520.50 216.00 200.00 8.50 42.00 139.50 507.50 711.50 1340.50 6369.50
19551379.00 1153.00a1110.50 706.00 349.00 86.00 55.50 0.00 195.50 471.00 1013.50 1027.00a7546.00
19561080.00a1197.00 811.00 425.50a217.50 116.50a7.00a34.50 125.00a515.89c870.00a1133.50a6533.39
19571526.50 992.50a754.00a496.50 193.45b83.24c1.55b6.21b72.00 461.90b896.00 1089.50 6573.34
19581232.00 840.50 795.00 564.00 138.00a61.76c9.50a5.50 186.76e454.66b884.50b997.22d6169.40
19591150.50a931.50a878.50 458.30b409.00 66.00 15.50 24.50 239.50a500.50 929.50 1160.50 6763.80
19601329.50 1080.00a875.00 492.50 383.00 57.50 0.00 99.50 77.50a-----z-----z285.50x4394.50c
19611157.00 738.00a718.50 536.50 235.50 6.00 0.00 0.00 265.00 535.50 933.00 1197.50 6322.50
19621481.25c1052.00 862.50e408.50 338.28b87.50 15.00 32.50a108.50a477.50a761.50 998.00 6623.03
19631270.00a679.00 332.50o586.50 222.00 145.00 2.59b0.00 59.50 367.50 816.50 1270.50 5419.09a
19641352.00 1300.00a1071.50a609.00 356.50a143.00 6.50 76.00 193.00a449.00 872.00 1107.50 7536.00
19651187.00 963.56d441.50p459.50 343.00 77.00 11.50 38.50 280.50 406.50 773.00 1130.50 5670.56a
19661091.00 982.00 577.00g514.00 223.50 143.50 14.50 19.50 43.00 553.00 722.50a1089.50 5396.00a
19671072.50 387.00o313.50r645.50 328.50 117.50 0.00 1.50 53.50 538.00 754.50 758.50m3511.50c
19681265.19e892.00 654.64c606.50 306.00a74.11c1.50a75.50 152.00 509.50 825.00 1109.00 6470.95
19691184.50a1108.00 1018.50 460.00 169.00 114.00 23.50 8.50 123.00 611.00 804.50 980.00a6604.50
19701022.50 794.00 808.50 670.50 252.00a96.00 5.00 0.00 271.50 568.50a768.00 1192.50 6449.00
19711164.50 960.00 914.00 519.50 169.50a152.50 16.50 1.00 223.50a483.10b881.50a1209.00a6694.60
19721237.76b1018.50 675.50 571.50 211.00 54.38b17.00 3.00 274.50 379.00a800.00 1254.00a6496.13
19731191.72b880.20c706.00a478.00 235.00 111.50 4.50 5.00 140.50 478.00 833.50 1020.50a6084.42
19741217.50a875.50a765.00 466.15c333.75c58.52b22.00a6.50 76.64b398.00 751.50 1111.00 6082.06
19751264.50a1037.50 873.00 680.00 331.50a113.50 3.50 46.50 55.00a477.50 824.00a1131.00 6837.50
19761141.50a1073.00a1081.00 525.50 162.93b140.00 1.00 54.00 68.00 492.50 757.00 1112.50 6608.93
19771411.00 792.35b807.50 332.50 411.50a8.50 14.50a56.50 174.00a444.00 855.00 978.50 6285.85
1978986.50a789.00 568.50 484.00a360.00 86.00 5.50 51.50a201.00 381.00a851.00a1375.50 6139.50
19791625.00 1025.50 762.50 523.50 253.00 74.00 16.00 2.14c44.50 359.50 920.50 1048.00 6654.14
19801102.50a829.50 789.50 421.50a254.50 171.00 5.50 45.00 137.00a465.00 799.00a1059.00 6079.00
19811002.00 875.50 646.00a485.75d305.00 142.50 20.50 1.50 133.50 550.71c716.71b1022.00 5901.68
1982959.50i1097.28c790.96e431.50i272.50f85.39c35.50a1.00 168.20e510.00e514.00n754.00k2688.33e
19831047.32c824.09e530.50f345.50l162.00o66.37d45.50a6.00a159.50 318.00h436.00l839.50k2148.77f
1984924.00j840.50i512.00l411.50i296.00f176.50 1.50a3.50 201.96b406.50i486.00m1397.59b1781.05g
19851554.50 1254.00 1068.00 412.50a213.00a59.50 0.00 29.50 284.50 609.00 1092.00a1595.00 8171.50
19861232.68c831.00 586.00 473.13c336.67d22.50 32.50 0.00 249.00a459.64c-----z1106.00a5329.12a
19871307.00a953.00 678.00 289.00a161.38b73.50 31.00a31.61c93.50 352.24b512.00i1122.69e5092.92a
19881312.78d661.00j549.50i292.00j172.00l46.00f6.50a1.55b148.50a156.00f516.50k865.00k1469.33h
1989653.50p851.50k591.00i237.50k92.00u-----z-----z-----z71.00k331.50l472.00n643.50l0.00l
1990644.00k307.50t153.50v195.50m224.00k111.00k2.50l12.50i1.00m327.50k466.50m605.00o0.00l
1991735.00l470.50i428.50k308.00i160.50j110.50k5.00j1.00j57.00j331.50m405.00n641.50l0.00l
1992796.50k468.00l396.00j277.50i81.00l42.00j22.50i20.50m60.50l245.50p597.50k675.00n0.00l
1993712.00o811.00i714.00h445.50h98.50l133.50j81.00j39.50i94.50i253.00k558.50m738.50j0.00l
1994650.00m653.00j457.50j248.00l121.50j91.50h0.00l1.00h26.50k291.50k687.50j690.50m0.00l
1995713.00k476.00j510.00j303.50l168.50k109.00h4.00k32.50h63.50k396.00j503.00j579.00m0.00l
1996638.50n676.50j439.00k380.00h275.50i58.00k0.00l-----z-----z-----z-----z605.00n0.00l
1997542.00p350.00q-----z-----z104.00q30.50k22.00j-----z-----z-----z-----z-----z0.00l
1998-----z-----z-----z-----z-----z-----z-----z-----z9.50q232.00n330.00q-----z0.00l
1999409.50s411.50q-----z172.00u160.00q60.00q1.00s6.50i64.00s132.50s166.00v298.00w0.00l
2000543.00p464.50m525.00i230.50j156.00k50.00k10.00l0.00h106.00j286.00l593.50l732.50l0.00l
2001785.50l648.00j487.50j381.00k197.00i60.00l9.50k0.50h43.00o291.00l412.00n716.50m0.00l
2002716.50m610.00n601.50k319.50k202.50m29.00p0.00j9.00i58.50m352.50i420.00o526.00n0.00l
2003518.00o528.00k394.50m368.50i203.00l13.50p0.00k0.00m57.50q194.00l548.00m492.00o0.00l
2004592.50q572.00m395.50n188.00p142.00q47.50m0.00q24.50o96.50l159.00p495.50k618.00l0.00l
2005637.50o279.00t398.50m280.00m188.50m92.50m0.00o0.00n81.00r156.00w420.50p722.50n0.00l
2006457.50r551.00m411.50p258.50n69.50p22.00q0.00q0.00s69.00q241.00o351.50q859.00h0.00l
20071253.50 836.50 680.69b506.50a227.50 83.00 0.00 12.41b173.48b494.48b800.61b841.50i5068.68a
20081113.50f1085.50 953.28b680.00 287.00a147.50 0.00 13.50a149.50 494.00 708.00a1186.03b5704.31a
20091284.50a1088.00 875.50 534.00 300.00 103.11c5.50f20.50 15.00u462.50g845.00a1317.00 6367.61c
20101081.50 876.00a756.50 578.00 455.00 134.50 14.00 40.50 124.00 364.00 906.00 1202.50 6532.50
20111320.50 1076.00 832.00 676.00 389.50 178.00 16.50 2.00 56.50 457.00a942.00 1122.32c7068.32
20121039.14b922.00 736.50 437.00 324.00 104.50 0.00 2.07b58.54c536.90b753.00 1071.00 5984.64
20131520.50 1020.50 751.50 520.50 236.50a80.87d0.00f0.00 1.00m548.50 175.00x1270.50 5949.37c
20141173.50 863.50a727.00 560.00 253.00 87.00 0.00 13.00 78.00 406.00 931.00 973.00 6065.00
20151125.56d698.37b-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z1823.92j
Period of Record Statistics
MEAN1246.92 978.21 836.31 518.27 285.75 110.65 11.63 20.62 159.07 470.58 828.68 1143.73 6662.25
S.D.164.83 150.40 133.15 100.16 83.09 49.12 13.35 22.07 72.67 79.53 89.16 147.54 512.16
SKEW0.61 0.25 0.34 -0.08 0.06 0.09 1.56 1.26 0.31 0.14 0.38 0.47 0.25
MAX1697.50 1360.50 1229.50 727.50 464.50 200.00 55.50 99.50 337.00 673.00 1092.00 1595.00 8171.50
MIN905.00 657.00 562.00 278.00 137.50 6.00 0.00 0.00 43.00 260.00 663.00 786.50 5183.50
YRS81.00 81.00 75.00 79.00 80.00 83.00 84.00 85.00 84.00 80.00 75.00 76.00 60.00