SAFFORD, ARIZONA

Monthly Total Heating Degree Days

(027388)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197306
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
1898 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 q 0.00 100.50 433.50 731.50 1265.50
1899 674.50 546.00 331.00 92.00 53.50 12.00 0.00 j 0.00 z 0.00 z 133.00 363.50 562.50 2768.00
1900 512.50 507.00 235.50 253.50 11.00 0.00 0.00 0.00 p 0.00 g 70.50 102.50 x 665.50 2255.50
1901 570.50 453.50 56.00 z 242.88 d 8.35 e 0.00 0.00 0.00 0.00 45.00 313.00 651.00 2284.23
1902 624.00 425.50 421.00 97.50 b 23.00 0.00 0.00 0.00 4.14 a 29.50 429.50 628.50 2682.64
1903 637.50 465.50 f 358.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 s 0.00 91.00 341.00 614.50 2042.50
1904 764.50 380.50 232.50 110.50 34.50 0.00 0.00 0.00 d 6.50 i 94.07 b 370.96 d 628.50 2616.03
1905 526.43 d 398.46 b 329.63 a 170.00 74.00 0.00 0.00 0.00 15.50 o 126.50 333.00 743.50 2701.52
1906 680.00 387.50 296.50 162.00 41.00 2.00 h 0.00 0.00 0.00 h 139.00 365.50 539.50 2611.00
1907 569.50 372.00 311.50 143.00 0.00 z 3.50 0.00 0.00 0.00 93.57 d 415.00 630.50 2538.57
1908 375.00 l 454.50 341.50 173.50 49.00 i 0.00 0.00 0.00 3.50 0.00 z 379.14 a 647.79 b 1999.93
1909 552.00 513.50 470.50 182.00 75.00 0.00 0.00 z 0.00 z 0.00 100.00 374.50 752.00 3019.50
1910 644.50 523.50 190.00 177.00 15.00 0.00 0.00 0.00 0.00 0.00 z 401.50 589.00 2540.50
1911 543.50 465.00 0.00 z 0.00 z 4.00 f 0.00 0.00 0.00 z 0.00 109.53 a 452.07 a 783.02 b 2353.12
1912 632.50 484.00 296.00 225.00 42.37 a 0.00 h 0.00 c 0.00 0.00 70.27 a 404.50 702.00 2856.63
1913 727.50 481.00 405.30 d 77.88 d 23.00 0.00 d 0.00 0.00 9.00 77.00 224.50 641.50 2666.68
1914 494.50 383.19 a 92.50 u 33.00 13.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 923.69
1915 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
1916 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1935 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
1936 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
1937 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 29.00 339.00 565.00 933.00
1938 586.50 417.00 325.50 136.00 36.50 0.00 0.00 0.00 d 0.00 52.00 523.00 566.50 2643.00
1939 643.50 666.50 277.50 72.00 1.00 0.00 0.00 0.00 0.00 88.00 318.50 502.50 2569.50
1940 612.00 460.00 257.50 100.50 8.00 0.00 0.00 0.00 0.00 73.00 426.50 491.50 2429.00
1941 566.50 356.00 340.50 238.00 34.00 0.00 0.00 0.00 4.00 86.50 324.00 554.50 2504.00
1942 550.50 533.50 386.90 e 119.00 24.00 0.00 0.00 0.00 0.50 112.50 288.50 576.00 2591.40
1943 591.50 321.50 271.00 76.00 16.50 0.00 0.00 0.00 0.00 107.50 380.50 630.50 2395.00
1944 685.10 a 498.50 401.00 180.50 13.00 0.00 0.00 0.00 0.00 39.00 411.50 628.50 2857.10
1945 0.00 z 441.54 b 426.00 193.00 12.63 d 0.50 0.00 0.00 11.00 48.00 409.50 687.00 2229.17
1946 722.50 505.00 317.50 43.50 6.00 0.00 0.00 0.00 0.00 120.50 450.00 527.00 2692.00
1947 771.50 364.50 297.08 a 124.50 4.00 0.00 0.00 0.00 0.00 78.50 474.00 695.50 2809.58
1948 683.50 535.00 452.00 90.00 10.50 0.00 0.00 0.00 0.00 67.50 580.50 656.50 3075.50
1949 784.50 522.50 0.00 z 129.50 4.50 0.00 0.00 0.00 0.00 31.50 q 0.00 z 233.00 u 1441.00
1950 643.50 353.11 a 287.00 51.00 35.50 0.00 0.00 0.00 0.00 1.00 267.50 456.06 e 2094.67
1951 0.00 z 460.00 331.91 b 106.50 57.00 0.00 0.00 0.00 a 0.50 44.50 400.00 604.50 2004.91
1952 575.50 515.50 450.00 99.50 4.00 1.00 0.00 0.00 a 0.00 7.50 406.00 642.50 2701.50
1953 545.50 486.00 267.00 110.00 80.00 0.00 0.00 0.00 0.00 74.50 290.50 708.00 2561.50
1954 574.00 308.00 311.00 37.50 17.00 0.00 0.00 0.00 0.00 39.78 a 280.86 a 564.00 2132.15
1955 679.50 588.50 297.00 145.00 26.02 c 1.55 a 0.00 0.00 0.00 25.00 344.50 496.50 2603.57
1956 490.50 584.00 279.50 125.00 7.50 0.00 0.00 0.00 0.00 72.00 450.50 601.50 2610.50
1957 507.00 216.00 278.00 119.00 41.50 0.00 0.00 0.00 0.00 104.50 458.00 569.50 2293.50
1958 621.00 362.50 457.50 173.00 5.50 0.00 0.00 0.00 0.00 46.50 341.50 499.00 2506.50
1959 527.00 472.00 329.50 49.00 19.00 0.00 0.00 0.00 0.00 47.00 370.00 524.23 c 2337.73
1960 679.33 b 598.50 228.50 93.50 29.50 0.00 0.00 0.00 0.00 b 64.00 298.50 615.00 2606.83
1961 577.00 425.00 306.50 115.00 14.00 0.00 0.00 0.00 0.00 92.00 450.50 386.50 j 1980.00
1962 663.83 b 359.00 448.00 31.50 21.00 0.00 0.00 0.00 0.00 39.50 236.00 502.31 d 2301.14
1963 698.00 338.00 312.21 c 132.00 0.00 0.00 0.00 0.00 0.00 14.98 a 311.00 628.50 2434.70
1964 774.50 664.50 434.52 a 144.83 a 42.50 0.00 0.00 0.00 a 0.50 26.00 423.62 a 425.50 h 2510.96
1965 547.48 c 495.50 387.00 149.00 39.27 a 0.00 0.00 0.00 7.50 59.50 221.00 535.50 2441.75
1966 682.50 582.00 297.37 d 60.50 5.50 0.00 0.00 a 0.00 0.00 54.00 224.00 573.00 2478.87
1967 631.00 376.50 154.40 e 140.50 40.09 b 0.00 0.00 0.00 0.00 g 29.50 245.69 a 541.00 f 1617.68
1968 586.79 c 316.00 304.32 a 140.77 d 8.50 0.00 0.00 0.00 0.00 37.00 331.07 b 667.50 2391.94
1969 463.00 452.50 421.50 51.50 29.50 0.00 0.00 0.00 0.00 83.00 345.00 533.20 a 2379.20
1970 640.50 416.00 360.00 193.50 19.00 0.00 0.00 a 0.00 a 6.67 c 139.50 320.19 d 535.02 b 2630.38
1971 589.00 427.50 287.50 115.00 8.61 d 0.00 0.00 g 0.00 f 0.00 132.78 a 365.00 682.00 c 2607.39
1972 617.33 b 462.00 125.00 125.00 1.50 0.00 0.00 0.00 0.00 a 100.00 456.00 655.00 2541.83
1973 615.00 471.00 487.96 d 198.50 k 0.00 z 1.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1573.96
Period of Record Statistics
MEAN 617.96 453.46 329.48 125.52 24.18 0.39 0.00 0.00 1.03 71.74 367.27 608.01 2532.12
S.D. 78.54 91.84 81.68 55.54 20.13 1.82 0.00 0.00 2.58 36.19 78.04 76.55 204.38
SKEW 0.26 0.08 -0.08 0.33 1.11 5.79 0.00 0.00 2.58 0.09 0.13 0.17 0.17
MAX 784.50 666.50 487.96 253.50 80.00 12.00 0.00 0.00 11.00 139.50 580.50 783.02 3075.50
MIN 463.00 216.00 125.00 31.50 0.00 0.00 0.00 0.00 0.00 1.00 221.00 456.06 2094.67
NO YRS 49 51 48 49 47 47 46 44 46 49 50 48 30