DOUGLAS SMELTER, ARIZONA

Monthly Total Cooling Degree Days

(022669)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197303
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
1903 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 z 0.00 z 0.00 z 0.00 0.00
1904 0.00 0.00 4.50 20.50 164.50 397.50 474.00 428.00 242.50 93.50 0.00 b 0.00 1825.00
1905 0.00 0.00 0.00 4.00 76.50 409.50 476.48 d 482.00 338.50 87.50 0.00 0.00 1874.48
1906 0.00 0.00 0.00 19.50 127.50 379.00 472.50 341.00 269.50 60.00 0.50 0.00 1669.50
1907 0.00 0.00 7.00 28.50 65.50 295.50 465.50 365.50 284.50 53.50 0.00 0.00 1565.50
1908 0.00 0.00 1.50 17.50 77.00 345.00 445.50 410.00 239.50 44.00 0.00 0.00 1580.00
1909 0.00 0.00 0.00 12.00 61.50 386.50 485.50 414.00 287.50 27.00 0.00 0.00 1674.00
1910 0.00 0.00 6.50 49.00 217.50 405.50 503.00 446.00 332.00 49.50 0.00 0.00 2009.00
1911 0.00 0.00 1.50 2.00 139.00 356.00 388.00 454.00 348.10 a 53.00 2.00 0.00 1743.60
1912 0.00 0.00 0.00 3.50 137.00 326.50 383.50 403.00 263.00 27.00 0.00 0.00 1543.50
1913 0.00 0.00 0.00 15.00 107.98 a 296.00 531.00 341.53 b 0.00 z 0.00 z 0.00 a 0.00 1291.52
1914 0.00 0.00 0.00 11.00 108.50 305.69 a 211.00 238.00 223.50 28.50 0.00 0.00 1126.19
1915 0.00 0.00 0.00 10.00 102.00 376.00 460.50 452.00 276.50 30.50 1.00 0.00 1708.50
1916 0.00 0.00 13.50 50.50 144.50 449.00 505.50 467.00 287.00 103.50 0.00 0.00 2020.50
1917 0.00 0.00 0.00 12.00 52.00 444.00 453.50 367.00 300.50 136.00 0.00 0.00 1765.00
1918 0.00 0.50 3.00 12.00 53.22 a 424.14 a 461.00 354.00 285.00 78.00 1.03 a 0.00 b 1671.89
1919 0.00 0.00 1.00 0.00 z 133.50 354.50 353.00 392.00 196.00 11.50 0.00 0.00 1441.50
1920 0.00 0.00 0.00 0.00 101.00 279.50 485.50 335.50 218.50 36.50 0.00 0.00 1456.50
1921 0.00 1.00 3.00 12.93 a 93.50 295.00 418.50 341.00 264.50 79.50 0.00 0.50 1509.43
1922 0.00 0.00 0.00 a 9.50 141.50 409.50 452.50 424.00 279.00 91.00 0.00 0.00 1807.00
1923 0.00 0.00 0.00 7.00 183.50 315.50 455.00 335.00 221.00 17.57 a 0.00 0.00 1534.57
1924 0.00 0.00 0.00 1.00 98.50 468.00 471.50 463.50 322.50 43.00 1.00 0.00 1869.00
1925 0.00 0.00 7.50 41.50 170.50 340.50 453.50 350.50 249.50 86.50 0.00 0.00 1700.00
1926 0.00 0.00 0.00 18.50 112.00 364.00 445.50 421.50 323.00 54.50 0.00 0.00 1739.00
1927 0.00 0.00 0.00 43.50 189.00 352.00 475.50 351.00 248.50 29.50 0.00 0.00 1689.00
1928 0.00 0.00 0.00 35.50 182.50 387.00 480.50 371.50 270.50 74.50 0.50 0.00 1802.50
1929 0.00 0.00 0.00 0.00 144.00 403.50 443.00 367.50 259.00 91.00 0.00 0.00 1708.00
1930 0.00 0.00 0.00 33.00 104.50 412.50 420.00 400.50 209.00 16.50 3.00 0.00 1599.00
1931 0.00 0.00 0.00 5.50 141.00 387.00 484.50 360.00 305.00 66.00 0.00 0.00 1749.00
1932 0.00 0.00 0.00 5.00 121.50 325.50 436.00 408.50 229.00 29.50 0.00 0.00 1555.00
1933 0.00 0.00 0.00 0.50 70.00 365.50 514.00 443.50 353.50 50.00 0.00 0.00 1797.00
1934 0.00 0.00 0.00 54.00 233.50 332.50 502.00 394.50 283.00 66.00 0.50 0.00 1866.00
1935 0.00 0.00 0.00 a 26.50 58.00 375.00 509.50 401.00 229.50 92.50 0.00 0.00 1692.00
1936 0.00 0.00 0.00 52.00 220.50 475.00 529.50 477.50 268.50 28.00 0.00 0.00 2051.00
1937 0.00 0.00 0.00 26.50 199.90 b 380.17 a 542.00 498.50 340.50 66.50 0.00 0.00 2054.07
1938 0.00 0.00 h 1.50 32.00 141.50 405.50 445.50 428.50 290.50 83.50 0.00 0.00 1828.50
1939 0.00 0.00 0.00 16.50 149.50 425.00 461.00 415.50 299.00 15.50 e 0.00 0.00 1782.00
1940 0.00 0.00 2.00 14.50 191.00 396.00 512.50 413.50 323.50 86.50 0.00 0.00 1939.50
1941 0.00 0.00 a 0.00 2.59 a 190.50 346.00 490.00 414.50 283.00 50.00 0.00 0.00 1776.59
1942 0.00 0.00 0.00 5.50 134.00 398.50 540.50 428.50 303.00 59.00 0.00 0.00 1869.00
1943 0.00 0.00 1.50 95.00 213.00 390.50 483.50 438.00 298.50 50.50 0.00 0.00 1970.50
1944 0.00 0.00 0.00 3.50 132.50 346.50 497.00 473.50 269.50 97.00 0.00 0.00 1819.50
1945 0.00 0.00 0.00 28.50 139.50 297.00 506.00 476.50 336.00 59.00 1.50 0.00 1844.00
1946 0.00 0.00 6.50 64.50 91.50 443.50 502.00 462.50 338.50 43.00 0.00 0.00 1952.00
1947 0.00 0.00 0.00 18.50 196.00 374.00 545.00 456.00 352.00 101.50 0.00 0.00 2043.00
1948 0.00 0.00 0.00 52.00 186.00 440.00 531.00 474.00 355.00 80.50 0.00 0.00 2118.50
1949 0.00 0.00 1.50 39.50 95.00 344.00 438.00 429.50 370.00 68.00 0.00 0.00 1785.50
1950 0.00 0.00 1.50 33.50 105.00 382.00 433.00 419.50 250.50 177.50 0.00 0.00 1802.50
1951 0.00 0.00 0.00 21.50 159.50 323.00 540.00 478.50 351.50 109.50 0.00 0.00 1983.50
1952 0.00 0.00 0.00 13.00 194.50 423.00 532.50 508.00 359.00 87.00 0.00 0.00 2117.00
1953 0.00 0.00 7.00 34.00 92.50 417.50 511.50 473.00 301.50 75.00 4.00 0.00 1916.00
1954 0.00 0.00 4.00 51.50 157.50 361.50 516.00 361.00 356.50 116.50 2.00 0.00 1926.50
1955 0.00 0.00 4.00 15.50 103.00 349.00 414.00 399.00 252.50 84.50 2.50 0.00 1624.00
1956 0.00 0.50 3.00 7.00 177.00 497.50 449.00 386.00 360.00 82.50 0.00 0.00 1962.50
1957 0.00 0.00 0.00 11.50 72.00 443.00 508.50 416.00 248.50 46.00 0.00 0.00 1745.50
1958 0.00 0.00 0.00 38.00 250.50 479.00 513.00 429.00 279.00 57.50 1.00 0.00 2047.00
1959 0.00 1.00 0.00 39.00 127.00 452.00 504.00 398.50 268.00 42.88 a 0.00 0.00 1832.38
1960 0.00 0.00 0.00 13.50 95.50 432.50 494.50 456.00 309.00 40.50 2.00 0.00 1843.50
1961 0.00 0.00 0.00 35.50 161.50 445.00 501.00 444.50 270.50 46.00 0.00 0.00 1904.00
1962 0.00 0.50 0.00 65.00 143.50 334.50 452.50 525.00 336.00 92.50 0.00 0.00 1949.50
1963 0.00 0.00 7.50 21.00 216.50 359.00 546.50 412.50 346.50 82.50 0.50 0.00 1992.50
1964 0.00 0.00 3.50 20.00 177.00 379.00 546.08 e 415.50 239.00 56.00 0.00 0.00 1836.08
1965 0.00 0.00 0.50 47.00 109.50 259.50 490.50 446.00 238.00 55.50 j 0.00 s 0.00 1591.00
1966 0.00 0.00 0.00 4.00 0.00 z 364.50 484.00 394.00 222.41 a 25.50 0.00 0.00 b 1494.41
1967 0.00 0.00 1.50 8.00 101.50 328.50 469.81 b 402.47 b 256.00 62.50 0.00 b 0.00 1630.28
1968 0.00 0.00 b 3.32 c 4.00 101.55 b 418.50 429.87 a 332.70 c 235.80 e 48.00 0.00 a 0.00 1573.74
1969 0.00 e 0.00 0.00 a 26.67 c 152.42 a 349.00 488.00 510.47 a 304.66 a 77.00 0.00 0.00 a 1908.21
1970 0.00 0.00 a 0.00 a 0.50 141.00 401.50 527.50 465.50 285.50 14.50 1.00 0.00 1837.00
1971 0.00 0.00 6.50 11.50 102.50 351.00 521.00 376.50 290.00 41.00 0.00 0.00 1700.00
1972 0.00 0.00 3.00 25.00 97.65 a 370.00 518.50 415.00 267.00 116.25 a 0.00 0.00 1812.40
1973 0.00 0.00 0.00 k 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 z 0.00
Period of Record Statistics
MEAN 0.00 0.05 1.56 22.91 135.75 378.91 477.26 415.58 286.67 63.83 0.35 0.01 1793.73
S.D. 0.00 0.19 2.67 19.38 47.85 51.36 52.71 51.97 44.05 31.71 0.80 0.06 180.08
SKEW 0.00 3.98 2.12 1.15 0.30 0.03 -2.07 -0.44 0.11 0.74 2.65 8.19 -0.72
MAX 0.00 1.00 13.50 95.00 250.50 497.50 546.50 525.00 370.00 177.50 4.00 0.50 2118.50
MIN 0.00 0.00 0.00 0.00 52.00 259.50 211.00 238.00 196.00 11.50 0.00 0.00 1126.19
NO YRS 70 69 69 68 68 69 69 69 68 67 68 70 64