MONTEZUMA CASTLE NM, ARIZONA

Monthly Total Heating Degree Days

(025635)

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
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 88.00 k 557.50 599.50 1157.00
1939 684.00 707.50 356.50 87.00 11.00 1.20 e 0.00 0.00 a 0.00 139.50 b 368.50 465.50 f 2355.20
1940 605.50 490.50 277.00 112.50 2.50 0.00 0.00 0.00 0.00 d 75.50 503.00 609.50 2676.00
1941 645.00 427.26 a 422.24 b 364.00 42.00 5.50 j 0.00 0.00 16.00 k 165.50 h 407.00 650.50 2958.00
1942 678.90 a 626.50 473.50 205.56 c 71.00 0.00 0.00 0.00 0.00 a 119.00 338.00 599.50 3111.96
1943 653.00 430.50 315.50 132.50 32.50 0.50 0.00 0.00 a 0.00 g 124.50 408.50 592.00 2689.50
1944 652.50 602.00 497.00 294.31 a 41.50 6.00 0.00 0.00 0.00 b 51.00 324.00 i 691.50 2835.81
1945 695.00 490.00 528.50 251.00 25.50 4.00 0.00 0.00 17.00 79.00 495.50 528.50 j 2585.50
1946 740.50 612.50 430.00 113.00 51.00 0.00 0.00 d 0.00 2.00 240.50 582.50 622.50 3394.50
1947 778.00 425.00 351.50 165.00 33.50 0.00 0.00 a 0.00 0.00 118.50 547.50 762.50 3181.50
1948 689.00 616.00 580.14 c 155.00 35.50 0.00 0.00 b 0.00 a 0.00 90.42 a 595.86 a 703.00 3464.92
1949 947.50 684.00 456.50 151.00 g 39.27 a 2.50 0.00 0.00 i 0.00 206.50 h 344.00 767.50 3241.27
1950 779.65 a 470.50 418.50 142.50 100.00 3.50 0.00 0.00 g 6.50 27.50 378.75 b 277.00 o 2327.40
1951 418.50 j 530.96 a 438.65 a 201.96 b 67.74 d 14.46 b 0.00 a 0.00 a 0.00 a 140.00 452.59 a 736.25 a 2582.62
1952 708.00 579.48 a 574.57 b 171.72 a 21.38 b 0.00 b 0.00 0.00 c 0.00 f 33.77 c 541.61 b 414.50 m 2630.53
1953 552.46 c 556.08 c 368.90 a 208.93 b 147.54 d 0.00 a 0.00 a 0.00 0.00 a 149.66 b 371.79 b 777.30 d 3132.65
1954 676.66 b 367.23 b 440.95 b 79.00 23.50 2.50 h 0.00 h 0.00 a 0.00 a 85.50 326.11 c 434.50 k 1998.95
1955 775.52 a 650.22 a 319.50 h 238.00 57.00 6.21 a 0.00 0.00 0.00 a 51.00 430.50 596.23 a 2804.68
1956 579.50 653.50 343.00 200.36 b 18.00 0.00 d 0.00 e 0.00 0.00 d 141.57 a 582.22 c 725.92 a 3244.06
1957 395.50 j 334.50 364.50 233.28 a 103.00 f 0.00 k 0.00 a 0.00 0.00 c 149.83 a 520.56 c 649.85 d 2252.52
1958 694.50 448.00 532.00 267.32 b 15.50 0.00 a 0.00 0.00 a 7.50 91.00 414.11 b 609.84 b 3079.77
1959 648.33 b 546.00 b 370.50 96.11 c 46.50 0.00 0.00 0.00 1.50 65.62 a 426.00 607.00 2807.56
1960 831.00 656.96 c 276.00 140.17 a 31.50 0.00 0.00 0.00 0.00 168.50 427.00 710.00 3241.13
1961 636.50 455.50 391.00 147.93 a 24.50 0.50 0.00 0.00 1.00 136.00 510.00 a 723.50 3026.43
1962 702.50 462.00 546.00 65.50 63.00 0.50 0.00 0.00 0.00 41.00 309.00 576.50 2766.00
1963 772.00 370.50 391.12 a 233.50 6.95 b 0.00 0.00 0.00 0.00 28.50 374.50 707.66 b 2884.72
1964 800.83 a 677.50 513.00 242.00 81.00 0.00 0.00 0.00 0.50 29.00 530.50 706.00 3580.33
1965 596.50 523.00 494.50 278.00 121.50 4.50 0.00 0.00 41.50 66.00 320.50 654.50 3100.50
1966 785.50 640.50 354.50 121.50 12.50 0.00 0.00 0.00 0.00 118.50 363.00 684.50 3080.50
1967 680.00 463.50 298.00 271.50 84.50 4.00 0.00 0.00 0.00 71.30 a 332.00 928.00 3132.80
1968 795.00 391.50 381.50 279.00 55.50 11.50 0.00 0.00 4.00 83.00 439.50 808.50 3249.00
1969 548.50 553.00 526.50 162.00 50.00 0.00 0.00 0.00 0.00 195.50 430.00 627.50 3093.00
1970 746.50 443.00 457.00 333.50 38.00 0.00 0.00 0.00 11.50 218.50 425.50 731.00 3404.50
1971 707.00 543.50 359.60 a 265.50 97.00 14.50 0.00 0.00 15.50 272.00 463.00 775.50 3513.10
1972 703.50 472.00 174.50 151.50 17.00 0.00 0.00 0.00 0.50 151.00 534.00 740.50 2944.50
1973 735.00 510.50 582.50 334.00 40.50 2.50 0.00 0.00 9.00 117.00 462.00 685.62 a 3478.62
1974 722.50 597.85 a 331.50 226.55 a 24.28 a 0.00 a 0.00 0.00 a 0.52 a 102.50 469.00 796.50 3271.20
1975 757.00 568.00 520.00 403.97 a 97.00 0.00 0.00 0.00 0.00 141.50 450.00 643.00 3580.47
1976 665.50 460.10 c 432.50 230.50 23.50 0.00 0.00 a 0.00 a 0.00 147.00 409.50 701.50 3070.10
1977 727.47 a 467.00 501.17 d 142.00 97.50 0.00 a 0.00 a 0.00 0.00 57.50 371.38 a 545.50 2909.51
1978 593.00 480.67 a 282.00 215.50 58.68 c 0.00 a 0.00 0.00 c 15.00 68.72 a 400.00 758.50 2872.06
1979 812.20 a 547.08 b 443.00 186.50 64.00 1.55 a 0.00 0.00 e 0.00 97.00 525.50 641.50 3318.33
1980 586.50 450.54 a 437.50 212.50 95.50 3.00 0.00 0.00 0.00 a 180.12 b 413.79 a 506.50 2885.95
1981 551.50 449.00 426.00 120.52 a 20.50 0.00 0.00 b 0.00 c 1.55 a 177.00 379.50 612.50 2738.07
1982 684.50 456.50 415.00 210.00 36.50 0.00 0.00 0.00 12.00 188.00 459.50 706.00 3168.00
1983 661.00 498.50 417.00 349.00 85.00 0.00 0.00 0.00 2.00 69.00 408.50 609.00 3099.00
1984 626.00 571.50 348.00 214.00 10.00 0.00 0.00 0.00 1.50 210.00 439.50 683.50 3104.00
1985 701.00 550.00 387.00 90.00 21.50 0.50 0.00 0.00 13.00 62.50 436.50 618.50 2880.50
1986 493.50 393.00 275.50 136.50 37.00 0.00 0.00 0.00 33.50 162.00 413.50 672.50 2617.00
1987 729.50 510.00 495.00 109.50 24.28 a 0.00 0.00 0.00 1.00 30.00 456.50 764.50 3120.28
1988 697.50 462.00 394.00 174.00 79.50 0.00 0.00 0.00 2.00 4.00 392.00 701.00 2906.00
1989 706.50 481.50 230.00 45.00 23.00 0.00 0.00 0.00 0.00 103.50 367.50 695.00 2652.00
1990 685.00 527.50 319.50 99.50 46.00 0.00 0.00 0.00 2.00 75.00 411.00 816.00 2981.50
1991 702.50 378.00 510.00 206.00 53.50 7.50 0.00 0.00 0.00 107.50 436.50 657.50 3059.00
1992 698.50 448.00 381.00 91.50 15.00 0.00 0.00 3.00 0.00 46.50 537.50 780.00 3001.00
1993 615.00 503.50 321.50 130.00 15.50 7.00 0.00 0.00 0.00 127.50 520.00 712.50 2952.50
1994 651.50 581.50 315.00 182.50 46.00 0.00 0.00 0.00 0.00 152.00 544.50 612.00 3085.00
1995 656.50 344.50 355.00 263.50 81.00 15.50 0.00 0.00 3.00 82.50 290.50 285.00 n 2092.00
1996 521.50 f 364.50 335.50 141.50 15.50 0.00 0.00 0.00 5.00 193.00 408.50 637.00 2100.50
1997 662.00 505.00 255.00 242.00 5.50 4.00 0.00 0.00 0.00 217.50 435.00 785.00 3111.00
1998 643.50 622.50 439.00 355.00 96.00 9.00 0.00 0.00 0.00 135.00 451.50 682.50 3434.00
1999 635.50 448.00 322.50 328.00 57.50 15.50 0.00 a 0.00 a 0.00 g 100.00 360.50 715.50 2983.00
2000 623.00 445.88 a 370.00 103.00 15.50 0.00 0.00 0.00 5.00 181.00 635.50 665.00 3043.88
2001 731.00 553.00 328.50 181.03 a 17.50 0.00 0.00 a 0.00 0.00 26.50 318.00 748.13 a 2903.67
2002 672.50 470.50 370.00 60.00 25.00 0.00 0.00 0.00 0.00 114.00 394.50 704.00 2810.50
2003 463.00 470.50 338.93 a 211.50 55.50 0.00 0.00 0.00 0.00 25.50 443.50 684.00 2692.43
2004 652.00 567.50 143.00 157.00 2.00 0.00 0.00 0.00 7.00 0.00 z 466.00 662.00 2656.50
2005 551.00 447.00 402.50 196.50 27.50 0.00 0.00 i 0.00 w 0.00 77.50 373.00 675.00 2750.00
2006 645.00 442.00 460.50 84.00 9.00 0.00 0.00 0.00 4.50 147.00 374.50 770.00 2936.50
2007 751.50 455.00 257.82 a 140.50 19.50 0.00 0.00 0.00 z 1.67 c 80.50 276.50 733.50 2716.48
2008 695.00 510.50 324.00 156.00 60.50 0.00 0.00 0.00 0.00 88.50 338.00 654.00 2826.50
2009 580.00 457.50 342.00 170.00 0.00 0.00 0.00 0.00 0.00 156.00 354.50 729.00 2789.00
2010 628.50 483.00 375.00 202.00 55.50 0.00 0.00 0.00 0.00 85.50 472.50 543.50 2845.50
2011 666.00 582.00 310.50 134.50 86.50 0.52 a 0.00 b 0.00 b 0.00 102.82 a 491.38 a 757.95 a 3132.16
2012 663.00 554.50 381.30 a 145.00 16.02 a 0.00 0.00 0.00 0.00 92.00 364.50 759.00 2975.32
2013 794.50 605.00 288.50 0.00 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 1688.00
Period of Record Statistics
MEAN 680.63 508.28 390.10 188.92 44.18 1.98 0.00 0.04 3.26 111.03 432.47 688.38 3060.00
S.D. 80.69 85.57 92.53 79.67 31.68 4.00 0.00 0.36 7.28 57.54 77.78 74.52 238.26
SKEW 0.13 0.26 0.00 0.56 0.91 2.28 0.00 8.19 3.44 0.46 0.38 0.17 0.36
MAX 947.50 707.50 582.50 403.97 147.54 15.50 0.00 3.00 41.50 272.00 635.50 928.00 3580.47
MIN 463.00 334.50 143.00 45.00 0.00 0.00 0.00 0.00 0.00 4.00 276.50 506.50 2617.00
NO YRS 72 75 74 73 73 71 72 70 70 71 74 69 56