TUCSON MAGNETIC OBSY, ARIZONA

Monthly Total Cooling Degree Days

(028800)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 199403
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
1912 0.00 0.00 0.00 3.50 160.50 496.50 490.00 498.00 319.00 88.00 0.50 0.00 2056.00
1913 0.00 a 0.00 2.00 42.50 190.00 383.50 573.50 548.50 382.00 59.50 9.50 0.00 2191.00
1914 0.00 0.00 9.00 53.50 228.00 502.00 581.50 598.50 448.50 87.00 14.50 0.00 2522.50
1915 0.00 0.00 0.00 18.00 125.50 436.00 592.00 630.50 367.50 185.00 16.50 0.00 2371.00
1916 0.00 1.50 27.00 67.00 148.50 466.00 608.00 528.00 402.00 49.50 v 0.00 z 0.00 z 2248.00
1917 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 z 0.00
1918 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 z 0.00
1919 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 z 0.00
1920 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 z 0.00
1921 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 z 0.00
1922 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 z 0.00
1923 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 z 0.00
1924 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 z 0.00
1925 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 z 0.00
1926 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 z 0.00
1927 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 z 0.00
1928 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 z 0.00
1929 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 z 0.00
1930 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 z 0.00
1931 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 z 0.00
1932 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 z 0.00
1933 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 z 0.00
1934 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 68.50 u 194.50 28.50 3.00 226.00
1935 0.00 1.00 0.00 40.50 127.50 509.00 653.50 539.00 384.00 151.00 0.00 0.00 2405.50
1936 0.00 0.00 6.50 116.00 323.50 568.50 694.50 560.50 367.00 118.50 8.50 0.00 2763.50
1937 0.00 0.00 3.50 26.50 250.00 460.00 641.00 639.50 494.00 98.50 j 8.50 0.00 2523.00
1938 0.00 0.00 2.00 73.50 197.00 473.00 569.50 549.00 450.00 135.37 a 0.00 0.00 2449.37
1939 0.00 0.00 18.00 68.79 a 260.00 525.00 662.00 577.78 b 445.50 104.50 30.00 6.00 2697.57
1940 1.50 0.00 6.50 63.50 332.50 523.00 671.00 594.00 458.50 183.50 0.00 4.50 2838.50
1941 0.00 0.00 0.00 16.00 229.50 409.50 632.50 557.00 380.00 98.50 14.50 0.00 2337.50
1942 0.00 0.00 0.00 19.00 193.50 472.00 738.00 598.50 448.50 132.00 5.50 0.00 2607.00
1943 0.00 1.50 7.50 150.00 a 277.50 493.50 694.00 577.00 479.50 200.50 3.00 0.00 2884.00
1944 0.00 0.00 0.00 11.00 216.00 420.50 656.50 647.50 422.00 199.50 3.00 0.00 2576.00
1945 0.00 0.00 0.00 58.50 210.50 380.00 679.50 625.00 458.00 173.50 3.50 0.00 2588.50
1946 0.00 0.00 13.50 154.00 203.50 568.50 642.50 578.50 452.00 48.50 0.00 0.00 2661.00
1947 0.00 0.00 6.00 43.00 340.50 474.50 709.50 581.00 500.00 150.00 5.00 0.00 2809.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 675.50 629.50 521.00 254.50 0.00 0.00 2080.50
1949 0.00 0.00 0.00 93.50 191.00 499.00 614.50 569.00 515.50 118.00 30.50 4.00 2635.00
1950 0.00 0.50 9.50 100.00 180.50 429.50 531.00 560.00 329.00 274.50 3.50 0.00 2418.00
1951 0.00 0.00 3.50 44.50 246.00 371.00 678.00 580.50 465.00 180.50 0.00 0.00 2569.00
1952 0.00 0.00 0.00 39.50 269.00 473.50 616.00 615.00 507.50 240.50 12.00 0.00 2773.00
1953 0.00 0.00 9.00 44.50 125.00 510.50 660.00 638.50 456.00 159.50 34.50 0.00 2637.50
1954 0.00 1.50 1.00 113.50 283.50 467.50 645.50 541.50 484.00 226.50 12.50 1.50 2778.50
1955 0.00 0.00 3.50 29.50 169.00 432.50 568.50 505.50 421.00 226.50 2.14 b 0.00 2358.14
1956 0.00 1.50 4.00 35.50 259.50 578.50 602.50 533.00 501.21 a 152.00 8.04 b 0.00 b 2675.74
1957 0.00 7.00 4.00 21.43 b 136.50 552.50 706.00 591.67 b 427.24 a 128.50 0.00 a 0.00 2574.84
1958 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 z 0.00
1959 0.00 0.00 0.00 96.00 194.00 581.50 659.55 b 515.50 412.50 156.00 0.50 0.00 2615.55
1960 0.00 0.00 11.00 60.00 176.50 528.50 652.00 619.50 341.50 i 108.00 20.00 0.00 b 2175.50
1961 0.00 0.00 4.00 61.50 213.00 584.00 669.00 586.00 383.00 161.00 0.00 0.00 2661.50
1962 0.00 7.00 0.50 105.50 172.50 412.50 620.00 660.00 504.00 140.00 21.00 0.00 2643.00
1963 0.00 3.00 10.52 c 32.50 297.00 384.31 a 698.50 547.00 514.00 222.00 19.82 b 0.00 2728.65
1964 0.00 a 0.00 6.50 47.50 209.25 a 444.83 a 668.10 b 513.50 347.14 b 191.00 0.00 0.00 2427.82
1965 2.50 8.17 d 0.00 72.00 140.00 309.00 651.00 601.50 375.50 195.00 27.00 6.50 2388.17
1966 0.00 0.00 0.00 32.50 275.50 480.50 643.00 592.00 406.00 106.00 1.50 2.00 2539.00
1967 0.00 1.00 23.00 22.00 199.50 415.00 621.00 605.50 456.00 168.50 15.50 0.00 2527.00
1968 0.00 2.00 2.50 28.50 173.50 484.50 596.50 472.00 433.00 146.00 11.00 0.00 2349.50
1969 0.00 0.00 2.50 51.00 296.00 433.00 667.00 697.50 500.00 112.00 3.50 0.00 2762.50
1970 0.00 5.50 0.00 5.50 263.50 512.50 683.00 620.50 346.00 49.00 5.50 0.00 2491.00
1971 1.00 0.00 27.00 34.00 128.00 448.00 718.00 522.00 418.00 112.00 6.00 0.00 2414.00
1972 0.00 0.00 44.50 45.00 188.00 486.50 674.50 556.00 413.00 159.00 0.00 0.00 2566.50
1973 0.00 0.00 0.00 18.00 276.00 501.50 639.00 666.50 433.00 179.00 12.00 0.50 2725.50
1974 0.00 0.00 23.00 53.00 282.00 631.50 618.00 590.00 448.00 219.50 0.00 0.00 2865.00
1975 0.00 0.00 10.50 18.50 175.00 450.50 633.00 659.50 468.00 171.50 9.50 0.00 2596.00
1976 0.00 0.50 8.00 60.00 270.00 515.50 618.50 631.00 376.00 124.50 17.00 0.00 2621.00
1977 0.00 0.00 1.00 90.50 145.00 546.50 710.00 678.00 513.50 239.50 12.00 0.00 2936.00
1978 0.00 0.00 23.00 38.00 214.00 553.00 712.50 608.50 484.50 262.00 16.50 0.00 2912.00
1979 0.00 a 0.00 1.50 57.50 234.00 518.00 685.50 522.00 548.50 218.50 5.00 0.00 2790.50
1980 0.00 0.00 0.00 88.00 155.50 554.00 748.50 591.50 469.00 217.50 20.50 0.00 2844.50
1981 0.00 2.00 4.50 140.50 233.00 636.00 656.00 694.00 493.50 150.50 13.00 1.00 3024.00
1982 0.00 0.50 14.50 54.50 201.00 432.00 655.00 620.00 433.00 89.00 4.00 0.00 2503.50
1983 0.00 0.00 2.00 13.00 198.00 418.00 665.50 575.50 539.50 96.50 6.00 0.00 2514.00
1984 0.00 0.00 0.00 50.50 398.50 519.50 580.50 521.00 476.00 76.00 1.00 0.00 2623.00
1985 0.00 0.00 1.50 101.00 295.00 543.00 696.00 636.00 331.00 137.00 10.00 0.00 2750.50
1986 0.00 5.00 41.00 104.50 316.50 601.50 588.50 623.50 340.00 107.00 10.50 0.00 2738.00
1987 0.00 0.00 4.00 133.50 246.00 573.50 644.50 597.78 a 423.00 281.50 9.00 0.00 2912.78
1988 0.00 0.00 20.00 94.00 304.50 552.00 699.00 630.00 411.50 278.50 25.00 0.00 3014.50
1989 0.00 1.00 44.50 208.50 318.50 551.00 745.00 622.00 521.00 173.50 0.00 0.00 3185.00
1990 0.00 4.50 38.00 106.00 267.00 648.50 593.50 482.50 467.50 159.50 38.00 0.00 2805.00
1991 0.00 2.50 7.00 17.50 206.00 415.50 671.50 654.00 453.00 279.00 12.50 0.00 2718.50
1992 0.00 0.00 1.00 103.00 306.00 492.00 613.50 586.00 486.00 197.00 0.00 0.00 2784.50
1993 0.00 0.00 3.50 56.50 300.00 489.50 654.50 610.50 423.00 178.50 0.00 0.00 2716.00
1994 0.00 0.50 7.00 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 7.50
Period of Record Statistics
MEAN 0.08 0.92 8.31 62.04 228.09 492.30 648.18 588.89 440.84 163.41 9.63 0.46 2641.90
S.D. 0.38 1.90 11.39 41.87 62.89 69.72 50.42 51.37 56.67 58.85 9.76 1.38 208.55
SKEW 5.14 2.44 1.85 1.07 0.28 -0.01 -0.50 -0.13 -0.29 0.17 1.05 3.21 -0.13
MAX 2.50 8.17 44.50 208.50 398.50 648.50 748.50 697.50 548.50 281.50 38.00 6.50 3185.00
MIN 0.00 0.00 0.00 3.50 125.00 309.00 490.00 472.00 319.00 48.50 0.00 0.00 2056.00
NO YRS 63 63 63 62 62 62 63 63 62 62 63 63 59