SAFFORD AGRICULTRL CTR, ARIZONA

Monthly Total Heating Degree Days

(027390)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 d 0.00 b 86.44 e 395.50 i 625.74 d 712.18
1949 812.72 a 550.67 d 372.00 154.50 14.43 b 0.00 b 0.00 0.00 0.00 172.05 a 280.50 636.57 b 2993.43
1950 670.12 a 408.07 a 323.50 64.14 a 45.50 0.00 0.00 b 0.00 0.00 2.58 a 309.00 501.00 2323.91
1951 642.22 a 498.50 382.00 173.00 74.00 2.00 0.00 0.00 a 1.00 80.00 446.00 641.70 a 2940.42
1952 608.12 a 592.95 a 523.38 a 148.39 b 12.83 b 3.50 g 0.00 c 0.00 c 0.00 b 47.10 e 478.93 b 686.65 a 3098.34
1953 599.50 543.85 b 336.72 b 164.48 a 122.40 b 0.00 d 0.00 b 0.00 2.00 105.50 336.00 764.00 2974.45
1954 629.82 a 364.52 a 368.00 61.00 24.00 1.00 0.00 0.00 0.00 56.50 316.00 617.00 2437.84
1955 726.00 653.50 372.50 193.50 36.00 2.50 0.00 0.00 0.50 77.00 429.50 536.50 3027.50
1956 546.00 627.00 346.50 170.00 20.00 0.00 0.00 0.00 0.00 110.50 527.50 678.50 3026.00
1957 544.50 273.50 323.00 156.00 58.00 1.50 0.00 0.00 0.00 125.00 520.00 618.00 2619.50
1958 675.00 409.50 481.00 200.00 6.50 0.00 0.00 0.00 1.50 65.50 399.00 564.00 2802.00
1959 592.50 513.50 381.50 78.00 33.00 0.00 0.00 0.00 2.50 89.50 471.50 621.50 2783.50
1960 797.00 678.50 276.50 113.00 29.00 0.00 0.00 0.00 0.00 112.00 338.00 696.00 3040.00
1961 631.50 476.50 346.50 139.00 27.50 0.00 0.00 0.00 3.00 118.50 465.50 629.50 2837.50
1962 706.00 387.00 476.50 53.50 31.50 0.00 0.00 0.00 1.00 59.50 264.00 546.00 2525.00
1963 753.50 376.00 373.50 162.00 0.00 0.00 0.00 0.00 0.00 26.50 320.50 655.50 2667.50
1964 799.00 689.00 457.50 194.50 48.00 0.00 0.00 0.00 3.50 42.50 456.50 631.00 3321.50
1965 590.50 527.00 434.00 169.00 52.50 0.00 0.00 0.00 22.50 78.00 254.50 576.00 2704.00
1966 726.00 610.00 333.50 93.50 8.00 0.00 0.00 0.00 2.00 101.50 294.50 652.50 2821.50
1967 721.50 451.00 266.50 185.50 80.00 0.00 0.00 0.00 0.00 107.00 345.00 779.00 2935.50
1968 689.50 379.00 382.50 211.50 24.00 2.50 0.00 0.00 2.00 66.50 403.50 759.00 2920.00
1969 538.00 508.50 491.00 108.50 44.50 0.00 0.00 0.00 0.00 127.50 403.00 571.00 2792.00
1970 708.00 446.00 434.50 282.50 39.50 0.00 0.00 0.00 9.50 189.00 387.50 635.00 3131.50
1971 674.50 484.00 336.50 174.50 43.50 1.00 0.00 0.00 1.50 169.00 397.50 706.50 2988.50
1972 676.00 489.00 144.50 125.00 7.00 0.00 0.00 0.00 0.00 108.00 508.50 705.00 2763.00
1973 717.00 510.50 479.00 269.50 43.00 0.00 0.00 0.00 0.00 61.50 386.50 651.00 3118.00
1974 640.50 577.00 278.50 160.50 10.50 0.00 0.00 0.00 0.50 86.50 399.00 750.00 2903.00
1975 702.00 542.50 404.50 300.00 71.50 0.00 0.00 0.00 0.00 107.00 404.50 637.00 3169.00
1976 680.00 398.50 392.50 186.50 22.00 0.00 0.00 0.00 1.00 156.50 411.50 684.00 2932.50
1977 661.00 434.50 472.50 141.00 35.00 0.00 0.00 0.00 0.00 39.00 328.50 533.00 2644.50
1978 584.50 468.00 282.50 133.50 52.00 0.00 0.00 0.00 0.00 58.00 342.50 713.00 2634.00
1979 696.50 495.50 407.50 165.50 54.50 1.50 0.00 0.00 8.00 67.00 492.00 594.50 2982.50
1980 590.50 420.00 401.50 178.00 36.00 0.00 0.00 0.00 0.00 181.00 395.50 489.00 2691.50
1981 534.50 403.00 364.00 75.00 5.00 0.00 0.00 0.00 0.00 88.00 302.00 565.00 2336.50
1982 630.00 441.50 355.00 120.50 34.00 0.00 0.00 0.00 3.50 104.00 395.50 643.00 2727.00
1983 626.00 456.00 375.50 272.50 45.50 0.00 0.00 0.00 1.50 29.50 369.00 600.50 2776.00
1984 619.00 548.50 340.48 a 206.50 13.00 0.00 0.00 0.00 1.50 147.00 391.50 604.00 2871.48
1985 690.50 520.50 338.00 103.00 10.50 0.00 b 0.00 0.00 5.50 71.00 387.50 626.00 2752.50
1986 511.50 404.50 252.50 103.50 26.50 0.00 0.00 0.00 16.50 111.00 381.00 616.50 2423.50
1987 684.00 501.50 426.00 120.00 9.50 0.00 0.00 0.00 0.00 14.00 414.50 719.00 2888.50
1988 681.00 446.00 351.50 165.50 59.50 3.00 0.00 0.00 2.00 12.00 377.00 674.50 2772.00
1989 656.00 382.50 185.50 29.50 13.00 0.00 0.00 0.00 0.00 104.50 348.00 693.00 2412.00
1990 695.00 522.00 273.00 59.50 17.00 0.00 0.00 0.00 0.00 73.00 340.00 697.50 2677.00
1991 633.00 362.50 462.00 145.50 25.00 2.50 0.00 0.00 1.00 87.00 427.00 579.50 2725.00
1992 671.00 420.50 311.00 92.00 3.00 0.00 0.00 0.50 0.00 35.00 502.50 649.00 2684.50
1993 514.00 464.50 296.00 111.00 6.00 0.50 0.00 0.00 0.00 101.50 457.50 636.50 2587.50
1994 628.50 484.00 249.50 121.00 10.50 0.00 0.00 0.00 0.00 103.00 435.50 561.50 2593.50
1995 626.50 336.50 292.00 192.50 46.00 0.00 0.00 0.00 0.50 37.00 252.00 580.50 2363.50
1996 602.50 310.50 288.50 83.50 3.50 0.00 0.00 0.00 4.00 155.50 318.00 607.50 2373.50
1997 622.50 454.50 227.50 156.00 0.50 0.00 0.00 0.00 0.00 144.50 323.00 685.00 2613.50
1998 593.50 516.00 388.00 230.50 17.50 0.00 0.00 0.00 0.00 47.50 323.50 596.00 2712.50
1999 561.00 417.00 217.50 203.50 24.50 1.00 0.00 0.00 0.00 55.50 230.00 652.50 2362.50
2000 548.50 375.00 288.50 61.50 2.00 0.00 0.00 0.00 0.00 113.00 529.50 590.00 2508.00
2001 658.00 485.50 310.50 121.00 13.50 0.00 0.00 0.00 0.00 27.50 251.50 668.50 2536.00
2002 610.50 436.00 333.00 30.00 12.50 0.00 0.00 0.00 0.00 87.00 335.00 626.00 2470.00
2003 461.00 417.50 351.00 130.50 18.00 0.00 0.00 0.00 0.00 23.00 354.00 625.00 2380.00
2004 576.00 564.00 183.00 118.00 5.00 0.00 0.00 0.00 7.50 76.50 420.50 647.00 2597.50
2005 522.00 426.00 353.00 135.50 16.50 0.00 0.00 0.00 0.00 50.00 299.50 619.50 2422.00
2006 612.00 388.00 338.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 655.50 1993.50
2007 739.50 428.50 256.02 b 75.50 5.00 0.00 0.00 0.00 0.00 48.50 0.00 z 665.50 2218.52
2008 631.00 474.50 290.00 103.50 15.00 0.00 0.00 0.00 0.00 66.00 272.50 603.00 2455.50
2009 550.00 410.00 239.50 127.00 0.00 0.00 0.00 0.00 0.00 114.00 258.00 680.00 2378.50
2010 626.50 454.50 328.00 121.00 49.50 0.00 0.00 0.00 0.00 49.50 406.00 490.00 2525.00
2011 678.00 560.00 205.50 61.50 33.00 0.00 0.00 0.00 0.00 45.00 347.00 677.50 2607.50
2012 572.00 440.00 334.36 c 88.50 2.50 0.00 0.00 0.00 0.00 162.20 c 251.11 c 586.50 2437.16
2013 745.50 565.00 216.50 3.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.00 z 1527.00
Period of Record Statistics
MEAN 640.62 470.77 340.04 140.86 27.76 0.31 0.00 0.01 1.65 85.35 374.39 633.93 2711.81
S.D. 73.69 84.95 82.11 59.85 23.40 0.74 0.00 0.06 3.84 44.23 76.73 62.46 241.67
SKEW 0.05 0.42 -0.01 0.48 1.38 2.38 0.00 7.81 3.72 0.40 0.14 -0.07 0.26
MAX 812.72 689.00 523.38 300.00 122.40 3.00 0.00 0.50 22.50 189.00 529.50 779.00 3321.50
MIN 461.00 273.50 144.50 29.50 0.00 0.00 0.00 0.00 0.00 2.58 230.00 489.00 2323.91
NO YRS 65 65 65 63 63 62 63 64 64 64 62 65 61