ZION NATIONAL PARK, UTAH

Monthly Total Cooling Degree Days

(429717)

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 0.00 a 0.00 0.00 21.00 179.50 319.50 584.50 514.50 319.00 65.50 0.00 0.00 2003.50
1929 0.00 0.00 0.00 4.00 135.00 338.50 566.00 493.00 196.00 115.50 0.00 0.00 1848.00
1930 0.00 0.00 0.00 52.00 70.00 380.50 540.50 438.00 258.00 21.50 0.00 0.00 1760.50
1931 0.00 0.00 0.00 6.50 123.50 374.50 697.00 549.50 273.00 60.50 10.50 0.00 2095.00
1932 0.00 0.00 0.00 5.50 57.50 344.00 489.00 541.50 327.00 42.00 0.00 0.00 1806.50
1933 0.00 0.00 0.00 0.00 67.88 b 409.00 632.50 534.00 377.00 109.00 0.00 0.00 2129.38
1934 0.00 0.00 2.50 90.00 283.00 293.00 604.50 557.50 330.50 119.00 20.50 0.00 2300.50
1935 0.00 0.00 0.00 8.00 55.50 416.00 528.00 505.00 332.00 86.00 0.00 0.00 1930.50
1936 0.00 0.00 0.00 48.50 229.50 507.00 570.00 528.00 265.50 55.50 0.00 0.00 2204.00
1937 0.00 0.00 0.00 7.00 230.00 369.50 610.50 632.50 386.00 75.00 0.00 0.00 2310.50
1938 0.00 0.00 0.00 35.00 151.50 423.50 580.50 566.00 406.50 54.00 0.00 0.00 2217.00
1939 0.00 0.00 2.00 29.00 168.43 a 432.50 688.00 667.00 265.50 15.00 0.00 0.00 2267.43
1940 0.00 0.00 1.00 27.00 268.50 537.00 633.50 617.00 263.50 112.00 0.00 0.00 2459.50
1941 0.00 0.00 0.00 0.00 127.50 374.50 629.50 0.00 z 218.50 i 20.50 0.00 0.00 1152.00
1942 0.00 0.00 a 0.00 8.00 101.00 373.93 b 561.50 474.50 324.00 82.50 0.00 0.00 1925.43
1943 0.00 0.00 a 0.50 48.00 154.50 275.00 568.50 463.50 342.00 108.50 a 0.00 0.00 1960.50
1944 0.00 c 0.00 h 0.00 0.00 a 120.00 262.50 573.00 583.50 396.00 102.50 6.00 0.00 a 2043.50
1945 0.00 0.00 0.00 34.00 124.00 265.50 600.50 499.62 a 322.00 61.00 0.00 0.00 1906.62
1946 0.00 0.00 0.00 91.00 135.50 474.83 a 636.00 565.00 373.00 0.00 0.00 0.00 2275.33
1947 0.00 0.00 0.00 17.00 255.00 323.00 581.50 454.50 406.00 92.50 0.00 0.00 2129.50
1948 0.00 0.00 0.00 17.00 146.50 304.50 518.00 492.00 380.00 101.27 a 0.00 0.00 1959.27
1949 0.00 0.00 0.00 54.00 107.00 321.50 621.00 540.50 378.50 71.00 0.00 0.00 2093.50
1950 0.00 0.00 0.00 32.00 158.00 376.50 596.00 534.50 280.50 155.00 0.00 a 0.00 2132.50
1951 0.00 0.00 0.00 13.50 127.50 363.00 622.50 453.50 352.50 39.50 0.00 0.00 1972.00
1952 0.00 0.00 0.00 4.50 143.00 285.50 544.80 d 545.08 a 331.00 154.00 0.00 0.00 2007.88
1953 0.00 0.00 0.00 25.50 52.00 364.50 644.00 516.50 429.50 100.50 0.00 0.00 2132.50
1954 0.00 0.00 0.00 57.50 240.50 361.00 631.50 483.50 308.50 105.50 0.00 0.00 2188.00
1955 0.00 0.00 0.00 6.50 123.50 345.50 541.00 567.00 350.00 122.50 0.00 0.00 2056.00
1956 0.00 0.00 2.50 11.50 168.00 473.00 556.50 491.00 431.00 93.50 0.00 0.00 2227.00
1957 0.00 0.00 0.00 1.00 58.50 420.00 579.00 489.50 319.50 30.50 0.00 0.00 1898.00
1958 0.00 0.00 0.00 3.00 219.50 418.00 541.50 631.50 294.50 138.00 0.00 0.00 2246.00
1959 0.00 0.00 0.00 43.00 109.50 492.00 690.50 506.33 a 263.00 90.00 0.00 0.00 2194.33
1960 0.00 0.00 0.50 31.50 143.50 488.00 706.00 591.50 414.50 61.50 0.00 0.00 2437.00
1961 0.00 0.00 0.00 24.00 162.00 525.00 646.00 495.00 161.00 65.00 0.00 0.00 2078.00
1962 0.00 0.00 0.00 61.00 100.50 343.00 536.50 573.00 337.50 59.00 4.50 0.00 2015.00
1963 0.00 0.00 0.00 12.50 202.50 255.00 603.00 450.00 342.00 120.50 0.00 0.00 1985.50
1964 0.00 0.00 0.50 3.50 117.50 295.50 611.50 481.00 250.50 156.50 0.00 0.00 1916.50
1965 0.00 0.00 0.00 19.50 75.50 196.50 509.00 487.50 176.00 115.00 0.50 0.00 1579.50
1966 0.00 0.00 4.00 19.00 201.50 377.00 554.50 579.00 317.00 49.00 0.00 0.00 2101.00
1967 0.00 0.00 0.00 0.00 140.50 235.50 597.50 605.50 309.00 98.50 2.00 0.00 1988.50
1968 0.00 0.00 0.00 2.50 122.00 407.50 529.00 370.00 258.50 45.00 0.00 0.00 1734.50
1969 0.00 0.00 0.50 10.50 203.00 289.00 590.50 665.50 377.00 25.50 0.00 0.00 2161.50
1970 0.00 0.00 0.00 1.50 171.50 396.00 594.50 588.00 235.50 36.50 0.00 0.00 2023.50
1971 0.00 0.00 1.50 14.50 61.00 377.50 654.50 533.00 267.50 88.00 0.00 0.00 1997.50
1972 0.00 0.00 9.50 12.00 157.00 375.50 668.50 504.00 219.50 42.00 0.00 0.00 1988.00
1973 0.00 0.00 0.00 3.50 169.50 347.50 593.50 529.50 270.00 88.35 a 0.00 0.00 2001.85
1974 0.00 0.00 0.00 6.00 217.50 527.00 559.00 537.00 369.00 102.50 0.00 0.00 a 2318.00
1975 0.00 0.00 0.00 0.00 a 77.50 a 330.50 553.00 491.50 323.50 73.00 0.00 q 0.00 1849.00
1976 0.00 0.00 0.00 1.03 a 171.00 345.00 574.00 456.00 274.00 28.00 2.50 0.00 1851.53
1977 0.00 0.00 0.00 60.00 53.50 442.50 567.00 546.00 287.00 97.00 1.00 0.00 2054.00
1978 0.00 0.00 1.50 3.50 97.50 388.00 611.00 523.00 259.00 127.44 d 0.00 0.00 2010.94
1979 0.00 0.00 0.00 12.00 132.50 386.50 598.00 451.00 442.00 162.50 0.00 0.00 2184.50
1980 0.00 0.00 0.00 a 32.00 58.90 a 338.00 569.37 a 484.00 312.41 a 139.00 6.00 0.00 1939.68
1981 0.00 0.00 0.00 43.00 104.50 474.50 616.00 548.00 320.00 20.67 a 0.00 0.00 2126.67
1982 0.00 0.00 0.00 11.50 135.00 321.00 510.00 502.50 268.50 4.50 0.00 0.00 1753.00
1983 0.00 0.00 0.00 0.00 134.50 313.00 511.50 459.00 317.50 20.00 0.00 0.00 1755.50
1984 0.00 0.00 0.00 16.00 271.50 346.50 549.00 444.00 292.50 15.50 0.00 0.00 1935.00
1985 0.00 0.00 0.00 35.00 127.00 443.00 636.50 547.50 164.00 50.50 0.00 0.00 2003.50
1986 0.00 1.00 8.50 16.00 200.50 488.00 520.00 575.00 193.00 13.00 0.00 0.00 2015.00
1987 0.00 0.00 0.00 46.50 138.50 467.50 506.00 486.00 328.50 145.00 0.00 0.00 2118.00
1988 0.00 0.00 0.50 10.00 157.50 433.50 668.50 499.00 251.50 175.00 2.50 0.00 2198.00
1989 0.00 0.00 7.00 94.50 163.50 406.00 692.00 460.50 310.00 61.50 0.00 0.00 2195.00
1990 0.00 0.00 0.00 22.50 112.00 478.00 611.50 505.50 370.50 82.50 0.00 0.00 2182.50
1991 0.00 0.00 0.00 3.00 64.00 310.50 619.50 570.00 347.50 203.00 0.00 0.00 2117.50
1992 0.00 0.00 0.00 66.72 a 165.50 361.50 500.00 543.00 341.00 109.00 0.00 0.00 2086.72
1993 0.00 0.00 0.00 9.50 165.50 292.50 489.00 480.50 296.50 60.00 0.00 0.00 1793.50
1994 0.00 0.00 0.00 42.50 113.00 499.00 608.50 598.00 347.00 22.00 0.00 0.00 2230.00
1995 0.00 0.00 0.00 0.00 40.00 249.50 554.00 558.00 341.00 60.00 0.00 0.00 1802.50
1996 0.00 0.00 0.00 27.00 147.50 446.50 625.50 591.00 225.00 91.50 0.00 0.00 2154.00
1997 0.00 0.00 10.00 23.00 268.50 382.50 557.00 547.00 285.50 61.00 0.00 0.00 2134.50
1998 0.00 0.00 3.10 a 15.50 56.00 242.00 604.00 615.00 278.50 31.50 0.00 0.00 1845.60
1999 0.00 0.00 0.00 12.00 125.00 375.50 540.00 528.50 328.45 a 151.00 15.00 0.00 2075.45
2000 0.00 0.00 0.00 68.00 262.98 a 482.00 606.50 609.00 333.00 116.50 0.00 0.00 2477.98
2001 0.00 a 0.00 0.00 b 34.66 a 283.00 452.00 558.00 610.50 410.50 115.00 6.00 0.00 c 2469.66
2002 0.00 0.00 0.00 59.50 176.00 488.00 703.00 582.50 280.00 31.50 0.00 0.00 2320.50
2003 0.00 0.00 0.00 0.00 245.50 487.50 714.00 634.50 407.00 223.00 0.00 0.00 2711.50
2004 0.00 0.00 33.50 19.50 199.50 491.00 642.00 543.50 331.50 56.00 0.00 0.00 2316.50
2005 0.00 0.00 0.00 3.00 183.00 308.50 673.00 467.00 308.00 64.00 2.50 0.00 2009.00
2006 0.00 0.00 0.00 6.50 264.53 a 505.86 a 425.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 776.90
Period of Record Statistics
MEAN 0.00 0.01 1.13 22.99 149.76 382.66 592.34 530.92 313.76 81.57 1.03 0.00 2077.74
S.D. 0.00 0.11 4.21 23.23 63.16 80.30 55.25 58.32 62.51 47.60 3.30 0.00 198.33
SKEW 0.00 8.66 6.19 1.27 0.36 0.00 0.25 0.13 -0.25 0.54 4.18 0.00 0.33
MAX 0.00 1.00 33.50 94.50 283.00 537.00 714.00 667.00 442.00 223.00 20.50 0.00 2711.50
MIN 0.00 0.00 0.00 0.00 40.00 196.50 489.00 370.00 161.00 0.00 0.00 0.00 1579.50
NO YRS 79 78 79 79 79 79 78 77 77 78 77 78 75