SPANISH FORK PWR HOUSE, UTAH

Monthly Total Heating Degree Days

(428119)

Base Temperature = 65 F

File last updated on Jul 25, 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
1928 1140.28 a 865.00 608.00 491.00 133.00 51.00 0.00 0.00 38.50 299.50 721.50 1125.50 5473.28
1929 1172.00 1057.78 a 769.00 536.00 196.50 37.50 b 0.00 0.00 57.00 l 304.83 a 792.00 866.45 a 5732.06
1930 1222.50 705.50 668.00 248.50 283.50 28.00 0.00 0.00 96.50 451.00 923.50 1424.00 6051.00
1931 1270.50 836.00 728.00 342.50 185.50 1.00 0.00 0.00 a 76.50 256.00 858.00 1208.50 5762.50
1932 1305.00 899.50 765.50 410.00 159.00 78.00 0.00 21.50 19.50 379.00 591.00 1276.50 5904.50
1933 1142.00 1207.50 742.50 527.50 344.00 0.00 a 0.00 2.00 14.50 157.50 637.24 a 835.50 5610.24
1934 954.00 593.00 423.50 207.00 40.50 8.00 0.00 0.00 133.50 337.00 656.00 1033.00 4385.50
1935 942.00 757.50 750.20 a 451.00 293.00 18.00 0.00 0.00 68.50 443.50 899.00 1067.50 5690.20
1936 1092.00 929.00 737.50 323.00 108.50 50.50 4.00 0.00 60.00 303.00 744.00 977.50 5329.00
1937 1556.50 961.50 695.00 455.50 94.00 58.50 0.00 0.00 48.50 320.00 608.50 870.00 5668.00
1938 918.00 762.50 737.50 381.00 295.00 2.50 5.00 0.00 3.50 276.50 968.00 948.50 5298.00
1939 1044.50 1111.50 680.50 313.00 116.50 84.00 0.00 0.00 57.50 372.00 565.00 809.00 5153.50
1940 1078.00 818.50 626.50 414.00 72.00 10.50 0.00 0.00 50.00 282.00 865.50 983.50 5200.50
1941 1042.50 776.00 672.00 586.00 170.50 80.00 0.50 0.00 0.00 z 463.00 691.00 901.00 5382.50
1942 1191.00 1046.50 859.00 391.50 330.50 34.50 0.00 0.00 65.00 317.50 702.50 967.00 5905.00
1943 1017.00 832.50 730.50 238.50 262.00 0.00 z 0.00 7.00 4.66 a 313.50 663.00 960.00 5028.66
1944 1288.50 970.00 910.00 560.50 217.00 102.00 0.00 0.00 54.00 246.00 733.00 1031.00 6112.00
1945 1024.55 a 816.00 811.00 610.50 183.00 161.00 0.00 0.00 163.50 292.50 785.50 1083.00 5930.55
1946 1206.00 874.00 666.00 318.50 262.00 19.00 0.00 0.00 93.50 553.00 801.50 857.50 5651.00
1947 1276.00 781.50 649.50 497.00 143.00 92.50 0.00 0.00 78.50 309.00 945.00 1044.00 5816.00
1948 1100.00 937.00 961.00 a 439.50 204.50 56.00 0.00 0.00 k 13.50 j 331.50 855.50 1135.50 6020.50
1949 1574.50 1102.50 701.00 306.50 206.00 0.00 z 0.00 z 0.00 33.00 506.00 562.50 1077.50 6069.50
1950 1199.18 a 853.50 768.00 427.00 352.50 74.00 0.50 0.00 109.00 216.00 638.50 930.50 5568.68
1951 1075.50 801.00 792.00 395.50 214.50 99.00 0.00 0.00 59.50 455.50 874.62 d 1221.50 5988.62
1952 1171.00 1039.50 967.00 418.00 146.50 36.00 0.00 0.00 a 32.50 208.50 877.50 1027.00 5923.50
1953 805.50 838.00 657.50 540.00 362.50 45.50 0.00 0.00 11.50 317.50 584.50 1174.00 5336.50
1954 938.27 a 835.50 775.50 310.00 135.50 96.50 0.00 2.00 63.00 314.50 603.50 994.00 5068.27
1955 1277.00 1144.50 882.50 546.00 210.50 93.50 0.00 0.00 110.00 320.50 851.00 885.50 6321.00
1956 839.50 1119.50 673.50 429.00 160.68 a 18.00 0.00 2.50 45.00 349.50 898.50 1060.00 5595.68
1957 1132.50 719.00 677.50 485.00 276.00 63.50 0.00 0.50 90.00 370.50 910.00 932.50 5657.00
1958 1044.00 647.11 a 439.50 l 542.00 107.00 3.50 0.00 0.00 91.50 255.75 a 749.46 b 883.50 4323.83
1959 955.00 827.56 a 719.50 383.00 289.85 a 22.50 0.00 a 0.00 188.00 362.50 692.50 1010.00 5450.41
1960 1165.00 1046.50 666.50 395.00 209.77 a 7.00 0.00 22.50 18.50 395.00 684.50 1028.50 5638.77
1961 1001.00 796.00 744.50 481.00 181.50 15.50 0.00 0.00 215.50 445.00 880.00 1132.53 a 5892.53
1962 1344.00 900.50 905.00 371.90 a 219.50 74.00 0.00 a 8.27 a 34.14 a 241.00 568.00 989.00 5655.30
1963 1268.33 b 648.50 743.50 569.00 70.02 b 56.00 0.00 0.00 a 7.00 185.50 699.00 1198.00 5444.84
1964 1298.00 1186.93 a 1014.50 533.00 273.83 a 87.50 0.00 a 29.50 75.50 237.50 801.50 1026.50 6564.26
1965 1011.50 865.00 816.50 426.21 a 289.50 51.00 0.00 7.75 a 207.50 255.75 a 557.50 947.00 5435.21
1966 1114.50 976.89 a 672.00 439.00 114.00 23.00 0.00 0.50 73.45 a 444.00 625.00 1165.50 5647.84
1967 1124.00 838.50 587.50 528.00 288.09 b 89.50 0.00 0.00 40.50 345.00 608.50 1227.50 5677.09
1968 1187.50 750.00 623.50 592.50 248.50 61.55 a 0.00 c 38.50 146.50 368.90 a 791.50 1118.50 5927.45
1969 945.50 895.00 837.00 418.93 b 41.50 70.00 1.00 0.00 11.11 c 554.50 761.50 940.00 5476.04
1970 1044.18 a 670.00 792.57 a 596.00 201.50 67.50 0.00 0.00 169.00 517.00 690.50 1114.00 5862.25
1971 1053.00 875.50 741.00 466.00 225.00 56.38 a 0.00 0.00 183.50 508.50 813.00 1217.00 6138.88
1972 1106.50 790.00 559.50 471.50 168.00 0.50 0.00 4.50 103.00 392.67 a 852.50 1277.20 a 5725.87
1973 1346.95 a 875.00 789.00 576.50 156.00 90.50 0.00 b 0.00 123.00 325.00 760.50 1012.50 6054.95
1974 1184.00 942.00 580.50 504.00 126.00 37.00 0.00 2.50 68.50 351.00 714.00 1137.00 5646.50
1975 1270.50 899.50 773.50 656.00 338.00 106.50 0.00 7.50 65.50 409.00 848.00 1088.50 6462.50
1976 1215.50 880.00 881.50 484.00 143.00 96.50 0.00 1.50 41.00 405.14 b 675.50 1054.50 5878.14
1977 1187.00 898.00 866.00 375.00 342.50 3.00 0.00 9.50 85.00 283.50 685.00 880.50 5615.00
1978 991.00 798.50 575.50 459.50 286.50 31.50 0.00 24.00 146.00 269.50 826.00 1253.50 5661.50
1979 1349.00 945.50 760.00 469.66 a 215.00 65.50 0.00 1.00 10.00 290.00 912.50 983.50 6001.66
1980 999.00 896.00 798.50 396.50 282.50 38.28 a 0.00 11.00 70.00 408.00 724.50 1001.50 5625.78
1981 1037.50 771.50 694.00 334.00 254.50 39.83 a 0.00 4.50 28.50 492.00 638.50 923.50 5218.33
1982 1201.00 962.00 734.50 538.50 249.50 59.50 11.00 0.00 157.50 545.00 872.00 1140.50 6471.00
1983 970.50 810.50 705.00 600.00 345.50 55.50 8.00 0.00 58.50 321.00 762.00 1097.00 5733.50
1984 1436.00 1184.00 854.00 559.50 166.00 105.00 0.00 0.00 100.50 554.50 728.00 1098.00 6785.50
1985 1281.00 1116.00 790.50 300.50 120.50 36.50 0.00 2.00 144.50 343.50 825.00 1276.50 6236.50
1986 1060.50 680.00 470.50 416.00 206.50 11.00 0.00 0.00 190.00 406.50 723.00 1020.00 5184.00
1987 1181.50 797.50 725.00 269.50 141.00 7.00 1.00 9.00 50.50 255.00 727.50 1083.00 5247.50
1988 1274.00 951.50 765.00 356.00 215.00 10.00 0.00 0.00 127.50 181.50 758.00 1224.00 5862.50
1989 1368.00 1125.00 567.00 293.50 172.50 58.00 0.00 5.50 57.50 357.00 726.00 1073.50 5803.50
1990 998.00 994.00 612.00 335.00 212.00 46.50 0.00 0.00 24.50 357.50 752.50 1313.00 5645.00
1991 1283.50 798.00 728.50 528.50 288.50 39.00 0.00 0.00 89.50 357.00 791.00 1164.00 6067.50
1992 1175.00 797.50 546.00 234.00 73.50 38.00 12.00 18.00 33.50 275.00 938.00 1176.00 5316.50
1993 1166.50 995.50 709.00 412.00 141.50 104.00 9.50 2.00 92.00 389.50 893.00 1066.00 5980.50
1994 941.50 875.00 578.50 403.00 104.00 3.50 1.50 0.00 29.00 414.00 947.50 1023.00 5320.50
1995 982.00 606.50 613.50 469.00 307.50 86.00 4.50 0.00 79.00 0.00 z 573.00 907.50 4628.50
1996 998.50 901.00 646.50 419.50 180.50 7.50 0.00 0.00 135.00 399.00 700.50 961.00 5349.00
1997 1114.50 895.50 590.50 517.50 125.50 20.50 4.50 0.00 77.00 393.00 702.50 1168.50 5609.50
1998 905.00 821.00 709.50 486.00 190.00 114.50 0.00 0.00 40.50 372.00 662.50 1112.00 5413.00
1999 927.00 767.00 555.00 552.00 259.00 70.00 0.00 0.00 86.00 285.00 522.50 1046.00 5069.50
2000 881.00 707.00 659.50 286.00 141.00 13.50 0.00 0.00 66.50 367.50 995.00 999.00 5116.00
2001 1107.50 804.00 576.50 427.50 116.50 43.00 0.00 0.00 22.00 271.00 645.50 1168.00 5181.50
2002 1122.00 936.50 816.00 358.00 188.50 34.50 0.00 0.00 81.50 464.50 818.50 985.50 5805.50
2003 812.00 835.50 647.00 428.50 214.50 31.50 0.00 0.00 78.00 215.00 855.00 941.00 5058.00
2004 1302.50 1010.00 501.50 358.50 163.50 16.50 0.00 10.50 96.50 357.50 750.50 984.50 5552.00
2005 916.50 764.50 668.50 435.00 192.50 105.00 0.00 5.50 90.00 343.00 681.00 1056.00 5257.50
2006 994.00 900.50 740.50 337.00 164.62 b 9.64 b 0.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3146.26
Period of Record Statistics
MEAN 1122.00 881.60 714.57 435.29 201.38 49.59 0.82 3.39 78.52 351.07 752.77 1056.41 5664.32
S.D. 159.82 137.61 113.55 100.99 78.46 35.42 2.44 7.35 51.31 92.11 114.45 124.73 403.67
SKEW 0.38 0.38 0.12 -0.11 0.16 0.52 3.31 2.85 0.79 0.34 0.06 0.37 0.08
MAX 1574.50 1207.50 1014.50 656.00 362.50 161.00 12.00 38.50 215.50 554.50 995.00 1424.00 6785.50
MIN 805.50 593.00 423.50 207.00 40.50 0.00 0.00 0.00 3.50 157.50 522.50 809.00 4385.50
NO YRS 79 79 78 79 79 77 77 77 75 77 78 78 71