NOGALES 6 N, ARIZONA

Monthly Total Heating Degree Days

(025924)

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
1952 0.00 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 14.50 v 296.50 f 466.00 i 0.00
1953 543.50 602.56 c 367.19 b 260.50 199.00 3.00 0.00 0.00 e 0.60 e 125.00 333.50 731.00 3165.85
1954 570.92 a 356.50 390.00 100.86 a 34.50 0.50 0.00 0.00 0.00 62.53 b 202.50 j 402.00 h 1515.81
1955 457.50 m 373.50 j 292.50 j 219.00 j 66.00 r 14.00 h 0.00 m 0.00 g 0.58 d 55.80 a 367.00 348.00 h 423.38
1956 498.87 d 370.00 l 389.50 258.60 e 56.26 d 0.00 b 0.00 0.00 b 0.00 b 131.50 514.62 d 481.50 h 1849.34
1957 554.00 299.70 a 427.05 b 270.50 135.37 a 0.00 a 0.00 g 0.00 2.59 a 149.50 529.00 520.28 a 2887.99
1958 697.00 468.00 577.50 275.00 49.00 0.00 0.00 0.00 12.50 89.50 429.83 a 494.00 3092.33
1959 592.00 558.92 b 476.50 151.00 116.52 b 0.50 0.00 0.00 4.50 111.60 a 397.50 606.50 3015.54
1960 747.00 667.50 321.00 215.00 95.00 0.00 0.00 0.00 0.50 158.50 355.00 677.00 3236.50
1961 449.00 g 495.92 b 428.66 b 169.62 d 72.16 b 4.04 d 0.00 0.00 b 3.50 161.95 b 473.50 575.29 e 2384.62
1962 630.16 b 425.70 a 574.00 139.50 103.50 9.50 0.00 0.00 a 4.66 a 84.00 287.00 506.91 d 2764.92
1963 656.54 c 381.50 447.50 261.00 28.93 a 6.11 c 0.00 a 0.00 0.00 42.88 a 365.17 a 571.00 2760.64
1964 765.38 b 718.50 552.50 288.50 125.03 a 0.00 0.00 a 0.00 7.00 65.50 492.50 599.85 a 3614.76
1965 558.52 a 570.37 a 521.04 e 250.71 b 148.00 25.50 0.00 a 0.00 44.50 123.00 276.00 588.00 3105.64
1966 0.00 z 661.00 368.50 215.50 43.00 0.00 0.00 0.00 2.68 b 139.50 b 319.00 580.50 2329.68
1967 631.50 472.00 306.00 276.00 105.00 13.50 0.00 0.00 1.50 84.00 287.00 668.50 2845.00
1968 605.02 a 397.00 433.00 297.00 72.50 10.50 0.00 0.00 2.50 66.50 421.00 655.50 2960.52
1969 501.00 536.00 559.50 182.50 79.00 2.50 0.00 0.00 0.00 157.50 396.00 534.50 2948.50
1970 646.50 436.50 477.00 315.00 a 48.50 0.00 0.00 0.00 7.50 199.00 361.50 513.00 3004.50
1971 598.50 504.00 361.00 263.50 101.00 19.50 0.00 0.50 6.50 186.00 411.00 668.50 3120.00
1972 652.00 477.00 181.50 181.03 a 44.00 0.00 0.00 0.00 2.50 92.50 427.50 584.50 2642.53
1973 737.50 498.00 557.00 270.50 59.50 2.50 0.00 0.00 1.50 56.50 328.00 558.50 3069.50
1974 601.00 481.00 295.00 65.00 41.00 0.00 0.00 0.00 1.50 131.50 433.50 772.50 2822.00
1975 683.00 602.00 411.50 405.50 113.00 0.00 0.00 0.00 z 1.50 f 130.00 396.50 541.00 3282.50
1976 564.50 402.50 406.50 238.50 45.50 0.50 0.00 a 0.00 m 5.50 213.50 417.00 686.50 2980.50
1977 658.00 494.50 589.00 218.50 138.50 0.00 0.00 0.00 0.00 51.50 323.00 461.50 2934.50
1978 574.50 485.00 295.50 263.00 87.00 0.00 0.00 0.00 0.50 87.00 409.00 670.50 2872.00
1979 697.00 514.50 452.71 b 245.50 67.00 0.00 0.00 0.00 5.00 98.00 496.00 597.50 3173.21
1980 572.00 414.00 447.00 275.00 153.00 7.50 0.00 0.00 0.00 182.00 399.50 462.00 2912.00
1981 487.00 455.00 493.00 157.50 55.00 0.00 0.00 0.00 0.00 128.00 282.00 507.00 2564.50
1982 554.50 413.00 345.50 160.00 71.00 0.00 0.00 0.00 5.00 159.00 356.00 619.50 2683.50
1983 605.00 496.00 443.50 354.50 92.50 j 9.00 0.00 0.00 0.00 71.50 392.00 494.50 2866.00
1984 591.00 523.00 375.00 246.00 21.50 0.00 0.00 0.00 z 0.00 168.50 425.50 578.00 2928.50
1985 626.00 507.50 383.00 136.00 36.00 6.50 0.00 0.00 a 9.00 101.50 389.50 532.00 2727.00
1986 447.50 388.50 274.50 136.00 55.50 0.00 0.00 0.00 26.50 125.50 321.00 583.00 2358.00
1987 661.00 503.00 457.00 132.50 52.50 0.00 0.00 0.00 0.50 33.50 418.00 647.00 2905.00
1988 586.50 427.50 399.00 191.00 72.50 1.50 0.00 0.00 2.00 8.00 371.50 606.00 2665.50
1989 665.50 380.50 231.00 71.50 49.00 0.00 0.00 0.00 0.00 89.50 347.00 594.00 2428.00
1990 637.50 506.00 352.00 123.00 43.00 0.00 0.00 0.00 2.00 69.00 320.50 610.50 2663.50
1991 619.00 374.50 474.00 232.00 52.00 7.00 0.00 0.00 a 0.00 107.00 420.50 553.35 a 2839.35
1992 633.00 438.50 390.50 163.50 21.00 0.00 0.00 0.00 0.00 45.50 510.50 595.00 2797.50
1993 479.00 469.00 353.00 183.00 15.50 12.50 0.00 0.00 3.00 108.50 432.00 585.50 2641.00
1994 610.00 523.50 321.50 202.00 66.50 0.00 0.00 0.00 0.00 140.50 444.00 548.00 2856.00
1995 586.50 361.00 350.50 282.00 98.50 6.00 0.00 0.00 0.00 53.50 262.00 548.50 2548.50
1996 559.00 318.50 373.00 157.50 11.00 0.00 0.00 0.00 0.00 166.50 346.00 560.50 2492.00
1997 593.50 509.50 261.00 233.50 3.00 2.50 0.00 0.00 0.00 151.50 327.50 693.50 2775.50
1998 587.50 553.00 416.00 318.00 76.00 2.50 0.00 0.00 0.00 94.00 354.64 b 590.50 2992.14
1999 600.88 a 428.50 345.00 284.50 45.50 3.00 0.00 0.00 0.00 61.50 255.00 617.00 2640.88
2000 538.37 a 437.00 380.50 123.00 12.50 0.00 0.00 0.00 0.00 128.00 529.00 497.50 2645.87
2001 655.50 501.00 392.00 198.50 33.00 0.00 0.00 0.00 0.00 29.50 279.50 652.50 2741.50
2002 595.00 459.00 432.50 87.50 47.00 0.00 0.00 0.00 0.00 139.00 322.50 632.00 2714.50
2003 438.00 435.50 400.00 214.50 47.50 0.00 0.00 0.00 0.00 35.50 338.50 545.50 2455.00
2004 558.00 595.50 201.50 174.00 24.50 0.00 0.00 0.00 6.72 a 89.50 451.00 471.00 f 2100.72
2005 494.00 416.35 e 369.50 189.44 c 41.50 0.00 z 0.00 0.00 0.00 82.00 0.00 z 0.00 z 1592.79
2006 555.00 401.00 404.00 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 1360.00
2007 698.00 476.00 297.37 d 136.20 e 21.00 0.00 0.00 f 0.00 h 0.00 z 81.50 213.50 615.50 2539.07
2008 0.00 z 0.00 z 0.00 z 202.78 c 56.00 i 0.00 0.00 0.00 0.00 83.50 279.00 529.50 1094.78
2009 503.50 416.00 301.00 194.00 7.50 0.00 0.00 0.00 0.00 145.50 263.50 631.00 2462.00
2010 417.00 h 205.50 p 377.50 189.50 84.00 0.50 0.00 0.00 0.00 57.00 383.00 412.00 1503.50
2011 557.50 510.00 221.65 a 92.50 69.75 a 0.00 0.00 b 0.00 0.00 a 71.00 346.00 669.08 a 2537.48
2012 488.77 a 472.00 377.50 145.50 21.38 b 0.00 0.00 0.00 0.00 78.50 281.50 569.00 2434.15
2013 338.50 r 624.50 262.50 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 887.00
Period of Record Statistics
MEAN 595.41 477.90 390.99 208.00 64.56 2.75 0.00 0.01 3.03 104.06 373.83 585.96 2809.75
S.D. 72.57 84.81 93.68 71.79 41.19 5.18 0.00 0.07 7.04 46.64 74.93 70.29 257.74
SKEW 0.07 0.53 0.09 0.18 0.99 2.49 0.00 7.14 4.38 0.25 0.19 0.12 0.58
MAX 765.38 718.50 589.00 405.50 199.00 25.50 0.00 0.50 44.50 213.50 529.00 772.50 3614.76
MIN 438.00 299.70 181.50 65.00 3.00 0.00 0.00 0.00 0.00 8.00 213.50 412.00 2358.00
NO YRS 55 57 59 58 56 57 56 54 57 59 57 54 44