APACHE POWDER COMPNY, ARIZONA

Monthly Total Heating Degree Days

(020309)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 199004
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
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 z 0.00 z 0.00 z 0.00 z 0.00
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 706.36 c 443.00 f 429.87 a 158.50 f 15.50 f 0.00 h 0.00 h 0.00 f 1.15 d 73.33 e 384.50 f 602.50 1813.20
1945 603.43 b 442.52 e 444.91 d 175.00 h 27.42 e 4.50 j 0.00 k 0.00 16.50 52.00 351.00 443.00 i 1937.78
1946 477.00 j 388.00 h 299.50 g 57.00 14.00 0.00 0.00 0.00 0.00 139.00 475.00 489.00 1174.00
1947 734.50 381.50 357.50 180.50 23.50 0.00 0.00 0.00 0.00 81.50 483.00 701.50 2943.50
1948 611.00 529.50 500.50 114.50 32.00 0.00 0.00 0.00 0.00 a 94.50 522.41 a 562.43 c 2966.84
1949 851.90 e 570.35 e 399.68 c 148.85 d 29.00 f 0.00 h 0.00 g 0.00 d 0.00 e 158.50 g 270.58 d 633.71 e 2875.06
1950 608.52 d 430.50 d 301.06 e 65.40 e 53.70 c 0.00 j 0.55 c 0.00 b 0.00 f 3.00 274.00 468.74 b 2205.47
1951 622.30 d 440.72 c 396.59 b 180.00 64.07 a 0.00 e 0.00 c 0.00 c 6.00 e 52.24 d 367.80 e 383.50 i 2129.71
1952 560.30 d 563.83 c 535.55 b 162.50 16.10 e 3.00 2.07 a 0.00 a 0.00 6.50 465.52 a 646.50 2961.86
1953 533.50 525.50 317.00 170.69 a 131.00 0.00 0.00 e 0.00 0.00 99.20 a 241.00 f 754.52 c 2531.41
1954 537.50 366.00 341.57 d 44.48 a 19.12 a 0.00 g 0.00 e 0.00 h 0.00 e 43.83 b 291.96 b 420.00 f 1644.47
1955 696.31 e 618.33 d 303.36 c 150.50 f 45.93 d 3.00 g 0.00 e 0.00 c 0.00 c 54.25 c 374.00 495.00 2587.17
1956 475.69 b 568.85 c 306.50 189.23 d 11.07 c 0.00 a 0.00 b 0.00 0.00 a 111.60 a 488.08 d 634.39 c 2785.41
1957 493.23 c 250.00 330.09 d 164.40 e 71.19 d 0.00 b 0.00 d 0.00 d 0.00 b 90.50 g 486.21 a 419.00 f 1795.12
1958 652.00 400.62 b 474.82 a 165.00 b 8.27 a 0.00 f 0.00 0.00 a 2.07 a 84.45 b 373.93 b 372.50 i 2161.14
1959 525.28 d 475.48 a 346.96 e 72.50 47.07 d 0.00 0.00 c 0.00 c 0.00 b 88.50 380.77 d 434.00 f 1936.56
1960 701.24 b 572.50 226.50 113.89 c 15.50 b 0.00 0.00 c 0.00 0.00 e 125.50 331.50 660.50 2747.13
1961 577.78 b 452.00 312.00 94.50 32.07 b 0.00 0.00 0.00 0.00 b 103.00 434.00 551.28 a 2556.63
1962 629.50 357.50 478.00 58.39 b 49.08 a 0.00 0.00 0.00 0.00 59.50 279.50 491.35 a 2402.83
1963 622.50 368.00 347.50 148.50 1.55 a 0.00 0.00 0.00 0.00 37.41 b 370.50 605.53 a 2501.50
1964 725.50 638.50 461.00 234.31 a 59.50 0.00 0.00 0.00 1.00 49.00 428.50 550.50 3147.81
1965 490.00 511.00 b 405.50 170.00 66.00 0.00 0.00 0.00 16.00 93.00 268.39 b 530.00 2549.89
1966 696.98 a 585.76 c 298.12 a 108.00 5.00 0.00 0.00 a 0.00 0.00 101.50 263.50 575.50 2634.36
1967 626.00 409.00 232.50 170.50 67.00 0.00 0.00 0.00 0.00 98.00 299.00 652.50 2554.50
1968 587.50 339.50 355.47 a 204.00 22.50 2.00 0.00 0.00 0.00 60.00 381.50 619.47 b 2571.93
1969 467.50 469.00 456.00 105.50 48.00 0.00 0.00 0.00 0.00 127.50 220.00 q 250.00 q 1673.50
1970 658.00 385.00 408.50 256.50 36.00 0.00 0.00 0.00 0.00 z 149.00 322.50 527.00 2742.50
1971 583.50 462.50 317.00 201.50 44.00 2.00 0.00 0.00 a 4.50 160.50 375.50 629.00 2780.00
1972 587.50 459.00 154.50 127.50 15.00 9.50 0.00 0.00 0.00 123.50 480.50 606.50 2563.50
1973 658.00 461.00 464.00 252.50 34.00 0.00 0.00 0.00 2.50 52.50 355.50 597.50 2877.50
1974 549.50 515.00 258.50 137.00 18.00 0.00 0.00 0.00 1.50 120.00 392.00 696.00 2687.50
1975 571.50 487.00 369.50 299.00 56.00 0.00 0.00 0.00 1.00 88.00 387.50 557.50 2817.00
1976 620.50 366.50 370.00 162.50 19.50 0.00 0.00 0.00 0.50 176.00 406.00 640.50 2762.00
1977 608.00 409.00 448.00 134.50 45.50 0.00 0.00 0.00 0.00 z 40.50 296.50 441.50 2423.50
1978 508.63 d 327.50 g 167.00 j 55.50 m 20.00 m 0.00 c 0.00 h 0.00 l 0.00 d 80.50 356.50 693.22 b 1638.85
1979 684.58 a 0.00 z 386.00 147.50 51.50 0.00 0.00 0.00 0.00 52.00 492.50 553.50 2367.58
1980 509.50 358.50 365.50 156.50 25.00 0.00 0.00 b 0.00 0.00 192.50 422.00 481.50 2511.00
1981 510.00 406.00 382.50 90.50 16.00 0.00 0.00 0.00 0.00 133.00 332.00 530.50 2400.50
1982 581.00 435.00 338.00 91.50 46.50 0.00 0.00 0.00 4.00 168.00 462.00 643.50 2769.50
1983 672.50 514.50 420.50 356.50 98.00 0.00 0.00 0.00 3.00 66.50 413.00 534.00 3078.50
1984 611.50 539.00 376.50 233.50 14.00 0.00 0.00 0.00 0.00 163.00 391.00 548.50 2877.00
1985 674.50 528.00 307.00 92.50 15.00 2.00 0.00 0.00 7.50 73.50 387.00 555.00 2642.00
1986 465.50 354.50 260.50 108.50 28.00 0.00 0.00 0.00 34.00 110.00 358.00 602.00 2321.00
1987 672.00 507.50 441.00 143.50 33.50 0.00 0.00 0.00 0.00 22.00 430.00 675.00 2924.50
1988 617.50 463.00 392.00 154.50 55.50 0.00 0.00 0.00 0.50 17.50 378.00 663.00 2741.50
1989 680.50 390.50 229.50 52.00 30.50 0.00 0.00 0.00 0.00 123.00 373.00 662.50 2541.50
1990 665.50 545.50 338.50 100.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1649.50
Period of Record Statistics
MEAN 609.26 461.71 364.13 149.32 37.49 0.47 0.06 0.00 2.37 89.77 383.06 591.35 2710.99
S.D. 81.67 85.41 80.55 66.82 25.59 1.64 0.33 0.00 6.17 46.44 69.42 73.42 208.87
SKEW 0.27 -0.03 -0.22 0.84 1.36 4.57 5.70 0.00 3.78 0.21 0.06 -0.02 0.16
MAX 851.90 638.50 535.55 356.50 131.00 9.50 2.07 0.00 34.00 192.50 522.41 754.52 3147.81
MIN 465.50 250.00 154.50 44.48 1.55 0.00 0.00 0.00 0.00 3.00 263.50 441.50 2321.00
NO YRS 46 43 45 43 43 39 42 43 43 44 43 39 29