TWIN FALLS KMVT, IDAHO

Monthly Total Heating Degree Days

(109293)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201204
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
1980 0.00 z 790.25 a 814.00 454.50 333.00 177.50 3.74 b 55.50 184.00 483.08 a 807.50 971.50 5074.57
1981 1007.00 849.50 724.00 483.50 355.50 100.50 15.00 0.00 137.00 584.00 701.00 966.00 5923.00
1982 1246.50 1069.50 798.00 655.00 362.00 110.00 34.00 4.00 205.00 558.50 918.00 1087.50 7048.00
1983 971.50 784.50 718.50 628.50 381.50 125.00 70.00 1.50 189.00 466.00 720.00 1236.50 6292.50
1984 1277.00 1103.00 797.00 589.50 354.50 199.00 3.00 7.00 238.00 602.00 837.00 1297.50 7304.50
1985 1402.48 b 1187.50 1011.50 426.00 243.50 72.50 1.50 58.00 339.00 592.00 1151.00 1588.00 8072.98
1986 1153.50 763.50 601.00 558.00 365.00 28.45 a 32.00 1.50 312.50 496.50 791.50 1136.00 6239.45
1987 1246.50 810.50 718.00 0.00 z 179.00 45.00 46.00 35.00 147.50 391.00 767.50 1102.50 5488.50
1988 1185.00 818.50 748.00 0.00 z 319.00 63.50 7.50 9.50 222.50 250.50 783.50 1201.50 5609.00
1989 1256.00 1103.50 717.00 409.00 292.00 68.00 0.00 50.50 163.50 495.50 769.50 1058.00 6382.50
1990 1049.00 934.00 661.00 347.50 321.00 118.00 2.00 36.50 35.00 486.00 759.50 1465.50 6215.00
1991 1226.50 701.50 752.00 556.00 364.00 117.50 3.50 2.50 125.00 444.00 878.00 1052.00 6222.50
1992 1057.50 693.50 550.50 371.00 116.00 77.00 18.50 49.00 155.50 354.50 932.00 1217.50 5592.50
1993 1355.00 1126.74 a 786.50 532.50 173.00 180.00 73.00 61.50 189.50 442.00 981.00 1054.00 6954.74
1994 941.00 957.00 645.50 442.00 185.50 94.00 9.50 4.00 70.50 505.00 1012.50 1153.50 6020.00
1995 989.50 713.00 734.00 539.50 329.00 159.00 13.50 30.00 132.50 524.00 660.00 988.00 5812.00
1996 1050.00 971.50 705.50 501.00 326.50 65.00 1.50 38.50 218.00 483.50 742.50 982.00 6085.50
1997 1054.00 863.50 713.00 600.50 200.50 92.00 38.00 3.00 116.50 499.00 509.00 l 1110.50 5290.50
1998 881.50 786.50 754.00 536.00 308.50 143.50 0.00 0.00 85.50 456.50 720.50 1107.00 5779.50
1999 963.00 836.50 713.00 610.00 366.50 112.50 10.00 3.00 157.00 380.00 589.00 1046.00 5786.50
2000 1005.50 737.00 722.00 359.50 189.50 60.00 3.00 2.00 173.00 438.50 1009.14 a 0.00 z 4699.14
2001 294.50 x 0.00 z 608.12 a 540.50 207.70 a 88.00 2.77 c 0.00 a 81.00 259.50 k 656.00 1144.00 3328.08
2002 1120.50 1025.50 819.00 423.00 255.50 66.00 0.00 a 6.72 a 120.00 521.32 a 765.00 891.50 6014.03
2003 799.00 853.50 621.50 483.50 252.50 27.50 0.00 0.00 103.00 275.00 0.00 z 0.00 z 3415.50
2004 1165.00 1020.00 528.50 360.00 228.50 38.50 0.00 17.00 117.00 378.50 804.00 955.50 5612.50
2005 1059.00 893.50 702.50 635.00 265.50 0.00 z 0.00 17.00 192.50 417.00 811.00 1150.00 6143.00
2006 0.00 z 914.00 800.50 0.00 z 268.50 36.50 0.00 13.00 0.00 z 0.00 z 0.00 z 696.50 k 2032.50
2007 1179.50 722.00 559.03 a 400.00 111.00 48.00 0.00 0.00 125.00 459.50 755.50 1075.50 5435.03
2008 1228.00 903.00 801.00 612.00 254.00 105.00 0.00 3.00 98.00 417.00 618.00 1120.00 6159.00
2009 1072.00 878.00 759.50 486.50 194.50 50.50 0.00 19.00 38.50 544.00 755.00 1236.00 6033.50
2010 956.50 822.50 710.50 506.00 413.50 66.00 3.00 23.50 71.00 349.00 841.00 955.50 5718.00
2011 1078.00 901.00 707.00 594.00 342.00 5.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3622.00
2012 0.00 z 44.00 z 0.00 z 2.00 y 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
Period of Record Statistics
MEAN 1102.60 888.19 718.79 504.83 276.82 91.13 12.61 17.80 151.40 458.39 804.86 1119.61 6213.78
S.D. 142.63 134.71 94.25 91.97 80.79 46.29 20.09 20.18 71.06 86.51 127.35 152.31 627.66
SKEW 0.10 0.53 0.36 -0.16 -0.34 0.70 1.89 0.94 0.72 -0.52 0.77 1.29 1.46
MAX 1402.48 1187.50 1011.50 655.00 413.50 199.00 73.00 61.50 339.00 602.00 1151.00 1588.00 8072.98
MIN 799.00 693.50 528.50 347.50 111.00 27.50 0.00 0.00 35.00 250.50 589.00 891.50 5435.03
NO YRS 29 31 32 29 32 30 31 31 30 29 28 28 22