SPANISH FORK PWR HOUSE, UTAH

Monthly Total Growing Degree Days

(428119)

Base Temperature = 50 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 0.00 a 0.00 28.50 99.00 380.50 521.00 824.50 738.50 528.50 197.00 7.50 0.00 3325.00
1929 0.00 0.00 a 3.50 68.00 310.50 560.89 b 831.50 783.50 268.00 l 227.33 a 0.00 2.58 a 2787.81
1930 0.00 3.00 11.00 218.50 256.00 600.00 848.50 732.00 429.00 69.50 3.00 0.00 3170.50
1931 0.00 0.00 15.00 136.50 326.00 727.50 978.00 783.27 a 514.50 219.50 53.50 0.00 3753.77
1932 0.00 0.00 3.00 110.50 335.50 543.00 823.50 783.00 509.00 172.50 12.00 0.00 3292.00
1933 0.00 0.00 8.50 49.50 200.50 739.66 a 936.50 772.00 607.50 314.00 1.55 a 0.00 3629.71
1934 0.00 6.50 86.00 301.50 570.50 610.00 916.50 792.00 425.50 171.50 32.50 0.00 3912.50
1935 0.00 0.00 13.95 a 73.50 187.00 627.50 875.00 818.00 526.00 137.00 0.00 0.00 3257.95
1936 0.00 0.00 0.00 214.50 447.50 672.00 840.00 817.50 442.50 201.00 0.00 0.00 3635.00
1937 0.00 0.00 1.00 85.50 399.50 536.50 825.50 861.00 552.00 177.00 7.50 0.00 3445.50
1938 0.00 0.50 2.50 152.50 246.00 629.50 797.50 788.00 567.50 218.50 0.00 0.00 3402.50
1939 0.00 0.00 31.00 167.50 379.50 530.50 859.50 809.00 486.00 123.50 11.50 4.00 3402.00
1940 0.00 3.00 28.00 79.00 440.50 685.00 866.50 836.50 483.00 217.50 9.00 0.00 3648.00
1941 0.00 0.00 9.00 27.00 319.00 537.00 758.50 714.00 0.00 z 74.50 15.50 0.00 2454.50
1942 0.00 0.00 0.50 136.00 192.50 513.50 861.50 792.50 475.50 188.50 23.00 0.00 3183.50
1943 0.50 0.00 35.50 227.50 272.00 0.00 z 793.50 787.00 566.90 a 224.50 14.00 0.00 2921.40
1944 0.00 0.00 0.00 28.50 280.50 417.50 784.50 774.00 489.00 228.00 8.50 0.00 3010.50
1945 0.00 a 0.00 3.50 51.50 287.50 332.50 778.50 715.50 365.50 213.00 10.00 0.00 2757.50
1946 0.00 0.00 22.00 186.00 217.50 600.50 831.00 797.50 452.50 49.50 0.00 1.00 3157.50
1947 0.00 0.00 16.00 53.00 353.50 393.50 799.00 706.00 490.50 204.50 7.00 0.00 3023.00
1948 0.00 0.00 0.00 a 94.50 308.50 498.50 785.00 483.00 k 342.50 j 190.00 0.00 0.00 1876.50
1949 0.00 0.00 6.00 186.00 263.00 0.00 z 0.00 z 723.50 533.00 88.00 10.00 0.50 1810.00
1950 0.00 a 0.00 1.50 86.50 197.50 475.50 704.00 672.00 413.00 263.00 6.50 0.00 2819.50
1951 0.00 4.50 5.50 85.50 275.00 405.00 763.00 685.50 443.50 77.00 0.00 d 0.00 2744.50
1952 0.00 0.00 0.00 103.00 346.00 529.50 776.50 750.72 a 522.00 259.00 1.00 0.00 3287.72
1953 2.00 0.50 29.50 81.50 151.00 539.50 844.00 748.00 553.50 197.00 62.50 0.00 3209.00
1954 0.00 a 0.00 11.00 163.00 409.00 475.50 870.50 729.50 473.00 227.00 16.50 0.00 3375.00
1955 0.00 0.00 0.00 60.00 291.50 494.50 765.50 788.50 473.50 183.00 0.00 5.00 3061.50
1956 0.50 0.00 48.00 97.00 353.40 a 625.50 781.50 660.50 518.00 198.00 0.50 0.00 3282.90
1957 0.00 0.00 7.00 54.50 208.50 519.00 788.00 767.50 427.50 124.50 0.00 0.00 2896.50
1958 0.00 14.00 a 0.00 l 63.00 457.50 655.00 784.50 842.50 476.00 242.32 a 39.64 b 0.00 3574.46
1959 0.00 0.00 a 7.00 158.00 211.83 a 646.50 831.83 a 730.50 377.00 139.50 1.00 0.00 3103.17
1960 0.00 0.00 37.50 141.50 291.92 a 628.00 874.00 726.00 541.50 148.50 9.50 0.00 3398.42
1961 0.00 0.00 15.50 83.50 328.50 710.50 870.50 747.00 270.00 132.00 0.00 0.00 a 3157.50
1962 0.00 5.50 4.50 140.17 a 282.50 544.50 769.83 a 770.35 a 535.34 a 245.50 39.00 0.00 3337.20
1963 0.00 b 19.50 18.50 50.50 433.47 b 477.00 870.00 811.68 a 567.50 316.50 12.00 0.00 3576.65
1964 0.00 0.00 a 3.50 56.00 301.22 a 441.50 873.68 a 712.00 426.00 251.50 3.50 1.00 3069.90
1965 0.00 0.00 8.00 108.62 a 235.00 458.00 776.00 661.85 a 314.50 220.62 a 44.00 0.00 2826.59
1966 0.00 0.00 a 40.50 100.50 423.00 574.00 858.00 738.50 468.62 a 96.00 16.00 0.00 3315.12
1967 0.00 0.00 42.00 43.50 264.57 b 432.50 823.00 798.50 499.00 177.50 40.00 0.00 3120.57
1968 0.00 0.00 24.50 36.50 254.50 553.45 a 809.88 c 581.50 372.50 141.05 a 7.00 0.00 2780.87
1969 0.00 0.00 17.50 93.75 b 481.50 440.50 797.50 827.00 556.67 c 51.50 2.50 1.50 3269.92
1970 0.00 a 1.00 0.00 a 36.50 303.00 540.00 783.50 824.00 325.50 84.00 9.00 0.00 2906.50
1971 0.00 0.00 37.00 75.00 266.00 558.10 a 829.50 785.50 327.00 123.50 3.00 0.00 3004.60
1972 0.00 6.50 58.00 60.00 341.00 574.00 813.00 691.00 378.00 164.82 a 0.00 0.00 a 3086.32
1973 0.00 a 0.00 0.50 33.00 347.00 525.00 756.29 b 730.50 363.00 187.50 35.00 2.00 2979.79
1974 0.00 0.00 33.00 92.00 387.50 659.00 803.50 689.00 467.50 154.50 0.00 0.00 3286.00
1975 0.00 0.00 11.00 19.00 184.50 427.50 801.00 648.00 432.00 146.50 7.00 0.00 2676.50
1976 0.00 0.00 3.50 60.50 338.00 467.00 846.00 668.00 486.00 116.52 b 12.00 0.00 2997.52
1977 0.00 0.00 1.50 165.50 161.00 663.00 796.50 736.50 470.00 202.50 16.00 0.50 3213.00
1978 0.00 0.00 45.00 47.00 238.00 566.00 821.00 685.00 403.00 209.50 6.50 0.00 3021.00
1979 0.00 0.00 0.00 101.90 a 311.50 546.50 807.50 706.50 586.00 246.50 0.00 0.00 3306.40
1980 0.00 0.00 0.00 143.00 219.50 560.69 a 835.00 687.00 435.00 168.00 43.50 4.00 3095.69
1981 0.00 2.50 0.00 175.50 233.00 633.10 a 841.00 780.00 529.00 78.50 15.00 1.50 3289.10
1982 0.00 0.00 5.50 77.00 253.00 492.00 714.50 789.00 390.00 44.00 0.00 0.00 2765.00
1983 0.00 0.00 10.50 27.50 210.50 509.50 751.00 730.50 468.50 146.00 26.00 0.00 2880.00
1984 0.00 0.00 0.00 52.50 370.00 451.00 774.00 756.50 458.00 96.00 6.00 0.00 2964.00
1985 0.00 0.00 13.00 185.50 381.00 617.50 820.00 772.00 361.00 157.00 10.00 0.00 3317.00
1986 0.00 22.50 102.00 102.50 351.00 697.00 749.50 796.00 319.50 94.50 3.00 0.00 3237.50
1987 0.00 0.00 11.50 212.50 341.00 609.50 729.50 670.00 449.50 216.50 24.50 0.00 3264.50
1988 0.00 0.50 15.50 147.00 314.50 699.50 876.00 757.50 412.00 288.00 29.00 0.00 3539.50
1989 0.00 2.00 64.00 202.50 335.00 507.00 890.00 725.50 475.00 178.50 6.50 0.00 3386.00
1990 0.00 0.00 24.00 136.50 276.00 601.50 841.00 743.00 600.50 171.50 6.00 0.00 3400.00
1991 0.00 0.00 0.50 58.50 212.50 519.00 812.50 764.00 413.50 216.50 1.50 0.00 2998.50
1992 0.00 0.50 14.00 233.00 418.50 545.00 714.00 763.50 493.00 212.00 0.00 0.00 3393.50
1993 0.00 0.00 21.00 91.50 408.00 442.00 664.50 677.50 418.00 126.50 0.00 0.00 2849.00
1994 0.00 0.00 21.50 139.00 441.00 717.50 859.00 855.50 550.50 105.00 1.50 0.00 3690.50
1995 0.00 2.00 36.50 71.00 172.50 444.50 715.00 791.50 492.00 0.00 z 12.50 2.00 2739.50
1996 0.00 0.00 23.50 107.50 315.50 640.00 831.50 770.50 400.00 222.50 10.00 0.00 3321.00
1997 0.00 0.00 56.00 78.00 385.50 579.00 713.50 755.00 468.00 166.00 2.50 0.00 3203.50
1998 0.00 0.00 44.50 76.50 282.50 399.00 830.00 765.50 519.00 135.00 12.50 0.00 3064.50
1999 0.00 2.00 43.50 44.00 269.00 529.00 815.00 744.50 399.50 206.50 71.00 0.00 3124.00
2000 0.00 2.00 19.00 181.50 404.00 600.00 867.50 842.50 473.00 143.00 0.00 0.00 3532.50
2001 0.00 0.00 34.50 130.50 412.50 630.50 838.50 831.00 582.50 234.50 28.00 0.00 3722.50
2002 0.00 0.00 11.00 143.50 337.50 656.00 939.00 769.50 441.50 68.00 0.00 0.00 3366.00
2003 0.00 3.50 27.00 115.50 369.50 560.00 963.50 822.50 457.00 309.00 0.00 0.00 3627.50
2004 0.00 0.00 106.00 124.50 325.00 582.00 807.00 700.50 460.00 163.50 3.50 0.00 3272.00
2005 0.00 0.00 2.00 85.00 321.00 447.50 858.50 725.50 429.00 156.50 26.50 0.50 3052.00
2006 0.00 2.50 5.50 158.00 368.79 b 624.11 b 553.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1158.90
Period of Record Statistics
MEAN 0.04 1.32 19.84 108.13 313.62 554.82 817.59 753.56 464.07 173.20 12.24 0.33 3217.91
S.D. 0.24 3.82 22.58 58.58 83.67 89.54 58.43 54.72 72.66 63.61 15.56 0.95 270.10
SKEW 7.50 4.11 1.82 0.79 0.29 -0.04 0.12 -0.38 -0.29 -0.02 1.77 3.33 0.19
MAX 2.00 22.50 106.00 301.50 570.50 739.66 978.00 861.00 607.50 316.50 71.00 5.00 3912.50
MIN 0.00 0.00 0.00 19.00 151.00 332.50 664.50 581.50 270.00 44.00 0.00 0.00 2676.50
NO YRS 79 79 78 79 79 77 77 77 75 77 78 78 71