UTAH LAKE LEHI, UTAH

Monthly Total Cooling Degree Days

(428973)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200311
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 0.00 0.00 0.00 28.50 28.50 205.50 151.00 20.50 5.50 0.00 0.00 439.50
1929 0.00 0.00 0.00 0.00 1.50 68.50 294.00 203.00 23.50 0.00 0.00 0.00 590.50
1930 0.00 0.00 0.00 0.00 2.50 64.50 237.00 163.50 9.00 0.00 0.00 0.00 476.50
1931 0.00 0.00 0.00 0.00 4.00 113.00 320.00 198.00 49.00 0.00 0.00 0.00 684.00
1932 0.00 0.00 0.00 0.00 9.50 84.00 195.00 192.00 4.50 0.00 0.00 0.00 485.00
1933 0.00 0.00 0.00 0.00 4.50 143.00 315.00 140.50 29.00 0.00 0.00 0.00 632.00
1934 0.00 0.00 0.00 0.00 28.00 36.50 294.50 244.00 30.00 0.00 0.00 a 0.00 633.00
1935 0.00 0.00 0.00 b 0.00 0.00 91.50 231.00 197.00 22.00 0.00 0.00 0.00 541.50
1936 0.00 0.00 0.00 0.00 6.00 159.00 247.00 185.50 22.50 0.00 0.00 0.00 620.00
1937 0.00 0.00 0.00 0.00 3.50 81.50 240.00 212.00 47.50 2.00 0.00 0.00 586.50
1938 0.00 0.00 0.00 0.00 6.50 62.50 170.00 173.00 27.50 0.00 0.00 0.00 439.50
1939 0.00 0.00 0.00 0.00 11.50 67.50 213.50 156.00 26.50 0.00 0.00 0.00 475.00
1940 0.00 0.00 0.00 0.00 3.50 113.50 264.00 239.00 37.50 0.00 0.00 0.00 657.50
1941 0.00 0.00 0.00 0.00 a 11.00 53.50 184.00 165.50 12.50 0.00 0.00 0.00 426.50
1942 0.00 0.00 0.00 0.00 2.00 31.50 255.00 159.00 33.62 a 0.00 0.00 0.00 481.12
1943 0.00 0.00 0.00 2.07 a 7.50 60.00 232.50 224.50 21.00 0.00 0.00 0.00 547.57
1944 0.00 0.00 0.00 0.00 d 7.23 a 15.50 209.00 129.00 j 9.11 b 2.50 g 0.00 f 0.00 240.84
1945 0.00 a 0.00 0.00 0.00 0.00 11.50 194.00 191.00 53.50 0.00 a 0.00 0.00 450.00
1946 0.00 0.00 0.00 0.50 6.50 94.50 265.05 a 196.00 39.00 1.50 0.00 0.00 603.05
1947 0.00 0.00 0.00 0.00 11.50 21.21 a 192.50 164.50 48.50 2.00 0.00 0.00 440.21
1948 0.00 0.00 0.00 0.00 20.00 55.50 210.00 168.00 51.00 0.00 0.00 0.00 504.50
1949 0.00 0.00 0.00 0.00 10.50 38.00 220.50 138.50 20.50 0.00 0.00 0.00 428.00
1950 0.00 0.00 0.00 0.00 0.00 40.50 128.00 91.00 33.50 0.00 0.00 0.00 293.00
1951 0.00 0.00 0.00 0.00 11.00 13.00 211.00 168.00 6.50 4.00 0.00 0.00 a 413.50
1952 0.00 0.00 0.00 1.00 1.50 68.00 181.50 251.00 56.00 0.00 0.00 0.00 559.00
1953 0.00 0.00 0.00 0.00 0.00 56.50 288.00 191.50 18.50 4.50 0.00 0.00 559.00
1954 0.00 0.00 0.00 1.00 18.00 69.50 273.50 130.50 62.00 0.00 0.00 0.00 554.50
1955 0.00 0.00 0.00 0.00 2.00 61.00 202.50 225.00 50.50 0.00 0.00 0.00 541.00
1956 0.00 0.00 0.00 0.00 16.50 109.00 222.50 105.50 36.00 0.00 0.00 0.00 489.50
1957 0.00 0.00 0.00 0.00 0.00 65.50 220.00 240.50 5.50 5.00 0.00 0.00 536.50
1958 0.00 0.00 0.00 0.00 i 41.50 100.50 172.00 226.00 51.50 0.00 0.00 0.00 591.50
1959 0.00 0.00 0.00 1.50 7.00 146.00 226.50 155.00 17.00 0.00 0.00 0.00 553.00
1960 0.00 0.00 0.00 3.00 6.50 73.00 242.00 152.50 50.00 0.00 0.00 0.00 527.00
1961 0.00 0.00 0.00 0.00 a 13.50 153.00 259.00 223.50 9.50 0.00 0.00 0.00 658.50
1962 0.00 0.00 0.00 0.00 11.00 82.50 200.00 154.50 19.00 0.00 0.00 0.00 467.00
1963 0.00 0.00 0.00 0.00 7.50 33.00 254.00 287.50 51.00 4.00 0.00 0.00 637.00
1964 0.00 0.00 0.00 0.00 23.77 a 39.50 265.00 190.00 10.50 0.00 0.00 0.00 528.77
1965 0.00 0.00 0.00 0.00 0.00 24.50 245.42 a 119.50 1.50 0.00 0.00 a 0.00 390.92
1966 0.00 0.00 0.00 0.00 20.50 90.50 286.00 133.00 38.50 0.00 0.00 0.00 568.50
1967 0.00 0.00 0.00 0.00 5.00 41.00 263.00 237.00 42.50 5.50 0.00 0.00 594.00
1968 0.00 0.00 0.00 0.00 9.00 88.00 226.00 100.50 19.00 1.50 0.00 0.00 444.00
1969 0.00 0.00 0.00 0.00 25.00 35.00 252.00 256.50 62.00 0.00 0.00 0.00 630.50
1970 0.00 0.00 0.00 0.00 6.50 91.00 236.00 251.00 23.00 0.00 0.00 0.00 607.50
1971 0.00 0.00 0.00 0.00 0.50 83.50 244.50 230.00 24.83 a 0.00 0.00 0.00 583.33
1972 0.00 0.00 0.00 0.00 5.50 66.50 212.50 149.50 14.50 0.00 0.00 0.00 448.50
1973 0.00 0.00 0.00 0.00 0.50 91.50 193.00 158.50 13.50 h 0.00 0.00 a 0.00 a 443.50
1974 0.00 0.00 0.00 0.00 9.82 a 129.50 245.50 91.00 23.04 b 0.00 c 0.00 0.00 498.85
1975 0.00 0.00 0.00 0.00 0.00 16.50 272.00 109.50 29.00 0.00 b 0.00 0.00 427.00
1976 0.00 0.00 c 0.00 0.00 4.50 73.50 270.00 92.50 i 14.48 a 0.00 0.00 0.00 362.48
1977 0.00 0.00 0.00 a 0.00 0.00 137.50 277.93 b 220.50 45.50 l 0.00 c 0.00 0.00 635.93
1978 0.00 0.00 0.00 0.00 4.50 40.50 217.00 133.50 29.50 0.00 0.00 0.00 425.00
1979 0.00 0.00 0.00 0.00 7.00 87.50 204.50 129.50 43.50 0.00 0.00 0.00 472.00
1980 0.00 0.00 0.00 0.00 3.00 62.00 260.50 169.50 35.00 0.00 0.00 0.00 530.00
1981 0.00 0.00 0.00 1.00 0.00 121.50 260.00 236.50 48.00 0.50 0.00 0.00 667.50
1982 0.00 0.00 0.00 0.00 12.00 53.00 178.00 225.50 36.00 0.00 0.00 0.00 504.50
1983 0.00 0.00 0.00 0.00 6.50 65.50 169.50 255.50 37.00 0.00 0.00 0.00 k 534.00
1984 0.00 0.00 0.00 0.00 9.50 72.00 228.00 190.00 29.00 0.00 0.00 0.00 528.50
1985 0.00 0.00 0.00 0.00 3.00 44.00 281.00 163.50 25.00 0.00 0.00 0.00 516.50
1986 0.00 0.00 0.00 0.00 3.50 107.50 178.00 218.00 8.00 0.00 0.00 0.00 515.00
1987 0.00 0.00 0.00 3.00 7.50 96.50 138.50 172.00 16.00 0.00 0.00 0.00 433.50
1988 0.00 0.00 0.00 0.00 4.50 163.50 364.50 189.50 24.50 0.00 0.00 0.00 746.50
1989 0.00 0.00 0.00 3.50 6.00 59.00 322.50 180.00 16.50 0.00 0.00 0.00 587.50
1990 0.00 0.00 0.00 0.00 2.50 111.50 265.00 169.00 82.00 0.00 0.00 0.00 630.00
1991 0.00 0.00 0.00 0.00 0.00 31.00 247.00 238.00 25.00 0.00 0.00 0.00 541.00
1992 0.00 0.00 0.00 2.50 1.00 28.50 206.50 165.00 3.00 0.00 0.00 0.00 406.50
1993 0.00 0.00 0.00 0.00 25.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 25.50
1994 0.00 z 0.00 0.00 7.00 22.50 204.50 417.00 337.50 67.00 0.00 0.00 0.00 1055.50
1995 0.00 0.00 0.00 0.00 c 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
1996 0.00 0.00 0.00 0.00 1.00 94.50 270.50 266.00 5.50 0.00 0.00 0.00 637.50
1997 0.00 0.00 0.00 0.00 27.00 187.50 344.50 264.00 21.00 0.00 0.00 0.00 844.00
1998 0.00 z 0.00 0.00 0.00 0.00 18.50 330.00 214.50 94.00 0.00 0.00 0.00 657.00
1999 0.00 0.00 0.00 0.00 2.50 153.00 345.50 236.00 5.50 0.00 0.00 0.00 742.50
2000 0.00 0.00 0.00 0.00 26.50 86.00 210.50 266.00 28.00 0.00 0.00 0.00 617.00
2001 0.00 0.00 0.00 0.00 24.50 75.50 283.00 257.00 39.00 0.00 0.00 0.00 z 679.00
2002 0.00 z 0.00 0.00 0.00 36.50 105.50 339.50 168.00 19.50 0.00 0.00 0.00 z 669.00
2003 0.00 z 0.00 z 0.00 z 0.00 42.00 75.50 0.00 z 0.00 z 18.00 0.00 z 0.00 0.00 z 135.50
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.35 9.48 77.27 244.10 190.90 30.04 0.49 0.00 0.00 539.63
S.D. 0.00 0.00 0.00 1.08 10.23 42.63 53.07 50.40 18.82 1.36 0.00 0.00 98.10
SKEW 0.00 0.00 0.00 4.09 1.44 0.75 0.59 0.20 0.91 2.76 0.00 0.00 0.41
MAX 0.00 0.00 0.00 7.00 42.00 204.50 417.00 337.50 94.00 5.50 0.00 0.00 844.00
MIN 0.00 0.00 0.00 0.00 0.00 11.50 128.00 91.00 1.50 0.00 0.00 0.00 293.00
NO YRS 72 75 75 75 75 74 73 71 72 73 74 71 63