FT THOMAS 2 SW, ARIZONA

Monthly Total Heating Degree Days

(023150)

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
1966 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 f 0.00 b 0.00 0.00 134.50 239.00 k 472.00 k 134.50
1967 722.00 428.52 e 212.87 a 154.50 37.50 0.00 0.00 0.00 b 0.00 m 34.00 m 264.00 g 374.00 o 1555.39
1968 430.00 g 336.40 d 384.73 c 157.00 f 23.00 f 0.00 g 0.00 j 0.00 h 1.20 e 39.35 e 388.50 712.00 1862.18
1969 540.43 a 463.12 c 431.13 d 69.00 g 28.42 a 0.00 c 0.00 z 0.00 e 0.00 c 128.50 348.21 b 544.71 c 2484.53
1970 671.67 d 380.43 e 402.00 243.62 a 8.86 c 0.00 c 0.00 c 0.00 16.50 244.26 b 394.50 424.50 g 2361.84
1971 653.07 a 475.00 329.00 139.50 23.25 a 0.00 i 0.00 c 0.00 5.50 129.74 d 297.50 f 687.54 c 2442.59
1972 680.34 c 429.56 e 141.00 g 80.00 m 0.50 g 0.00 c 0.00 b 0.00 g 0.00 g 126.77 c 526.15 d 723.91 d 2486.73
1973 760.10 e 518.00 d 496.53 b 288.89 c 35.00 g 0.00 b 0.00 c 0.00 e 0.00 h 32.50 g 0.00 z 454.50 j 2063.52
1974 598.50 530.83 d 201.50 g 62.00 m 2.50 u 0.00 h 0.00 f 0.00 k 0.00 n 65.00 f 345.50 g 746.87 d 1876.20
1975 714.79 e 295.50 l 398.50 292.76 a 54.80 c 0.00 c 0.00 0.00 c 5.00 108.00 408.50 623.50 2605.85
1976 663.50 372.50 361.00 127.50 b 12.50 0.00 0.00 0.00 0.00 157.58 a 418.50 723.50 2836.58
1977 631.50 408.50 415.50 109.50 15.50 0.00 0.00 0.00 0.00 i 44.50 344.00 519.50 2488.50
1978 551.00 425.00 259.50 160.00 41.33 a 0.00 b 0.00 0.00 8.50 63.00 338.50 706.00 2552.83
1979 687.00 502.00 413.00 175.00 53.50 0.00 0.00 0.00 2.00 78.50 499.50 610.00 3020.50
1980 577.50 413.50 417.50 205.00 0.00 z 0.00 0.00 0.00 a 0.00 a 189.50 417.00 522.50 2742.50
1981 534.75 a 368.00 358.00 57.50 0.00 0.00 0.00 a 0.00 0.00 99.50 343.50 570.50 2331.75
1982 633.50 404.00 351.50 141.50 26.00 0.00 0.00 0.00 1.00 136.00 406.50 653.50 2753.50
1983 636.50 451.00 363.00 306.00 40.50 0.00 0.00 0.00 1.50 31.50 373.00 602.50 2805.50
1984 607.50 541.00 309.00 166.00 3.00 0.00 0.00 0.00 0.00 128.13 a 372.50 573.50 b 2700.63
1985 659.27 a 510.50 327.00 93.50 18.00 0.00 0.00 0.00 8.00 58.26 b 403.00 633.00 2710.53
1986 525.00 388.50 243.00 84.00 19.50 0.00 0.00 0.00 10.00 111.50 398.00 642.00 2421.50
1987 694.50 472.50 434.50 85.50 2.50 0.00 0.00 0.00 0.00 5.50 407.50 716.00 2818.50
1988 652.50 417.50 350.50 128.50 34.50 0.00 0.00 0.00 1.00 3.00 361.00 643.50 2592.00
1989 633.00 353.50 173.00 22.00 9.50 0.00 0.00 0.00 0.00 83.00 345.50 680.50 2300.00
1990 662.00 489.50 248.50 46.50 12.50 0.00 0.00 0.00 0.00 62.00 358.50 718.50 2598.00
1991 631.00 370.50 458.00 178.00 33.50 7.50 0.00 0.00 z 0.00 z 104.00 x 447.50 627.00 2753.00
1992 807.50 435.00 389.00 106.50 16.50 0.00 0.00 0.00 0.00 49.00 546.00 653.00 3002.50
1993 525.00 470.50 315.50 144.50 13.50 3.50 0.00 0.00 1.50 121.00 478.50 702.00 2775.50
1994 699.00 503.50 279.50 142.50 13.50 0.00 0.00 0.00 0.00 106.50 463.50 598.00 2806.00
1995 0.00 z 358.00 339.00 215.00 57.50 0.00 0.00 0.00 0.00 52.50 0.00 z 253.00 t 1022.00
1996 600.50 302.00 308.00 88.00 5.50 0.00 0.00 0.00 p 0.00 161.00 359.00 615.50 2439.50
1997 606.00 466.00 228.50 134.50 0.00 0.00 0.00 0.00 0.00 134.00 354.00 714.50 2637.50
1998 626.00 525.50 401.50 288.00 36.00 0.00 0.00 0.00 0.00 41.50 363.00 603.50 2885.00
1999 579.50 412.00 213.50 142.00 18.00 0.00 d 0.00 0.00 0.00 78.00 287.68 b 677.87 a 2408.55
2000 575.00 358.50 274.00 43.50 0.00 0.00 0.00 0.00 0.00 116.00 564.00 672.70 a 2603.70
2001 646.50 494.50 306.26 b 120.00 13.00 0.00 a 0.00 a 0.00 0.00 c 21.00 301.55 a 745.07 b 2647.88
2002 688.50 527.00 393.00 30.50 11.00 0.00 0.00 0.00 0.00 104.50 350.00 652.50 2757.00
2003 486.00 437.00 363.00 155.50 26.50 0.00 0.00 0.00 0.00 18.00 382.50 694.50 2563.00
2004 610.50 578.00 213.00 109.00 f 0.50 0.00 0.00 0.00 3.00 82.00 429.50 679.62 e 2596.12
2005 541.31 e 398.50 261.00 f 142.00 16.00 0.00 z 0.00 0.00 0.00 46.50 0.00 z 630.00 1774.31
2006 617.00 282.50 g 332.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 713.00 1662.50
2007 610.50 f 456.50 225.94 e 90.50 11.00 2.50 0.00 0.00 0.00 66.00 265.34 a 693.00 1810.79
2008 651.00 503.36 a 0.00 z 118.97 a 32.72 d 0.00 c 0.00 b 0.00 0.00 84.50 300.50 625.50 2316.54
2009 576.00 438.00 259.50 142.00 0.00 0.00 0.00 0.00 0.00 116.50 0.00 z 0.00 z 1532.00
2010 678.50 490.00 291.00 f 100.50 g 59.00 0.00 h 0.00 0.00 0.00 h 51.00 430.00 522.00 2230.50
2011 727.90 e 604.69 b 172.00 f 60.00 d 51.00 f 0.00 h 0.00 h 0.00 g 0.00 i 61.40 e 398.08 d 563.00 g 1852.08
2012 627.48 b 471.77 a 217.50 k 91.61 b 0.52 a 0.00 g 0.00 e 0.00 a 0.00 d 506.73 e 939.00 188.00 s 2637.11
2013 546.50 j 611.50 87.50 w 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 611.50
Period of Record Statistics
MEAN 632.33 450.93 332.79 140.02 20.66 0.36 0.00 0.00 1.70 99.53 408.21 650.58 2675.15
S.D. 67.12 70.41 78.72 71.81 17.21 1.38 0.00 0.00 3.58 81.85 111.01 62.82 192.79
SKEW 0.12 0.20 -0.13 0.72 0.73 4.26 0.00 0.00 2.59 3.04 2.99 -0.51 -0.22
MAX 807.50 611.50 496.53 306.00 59.00 7.50 0.00 0.00 16.50 506.73 939.00 746.87 3020.50
MIN 486.00 302.00 173.00 22.00 0.00 0.00 0.00 0.00 0.00 3.00 265.34 519.50 2300.00
NO YRS 43 45 39 39 39 38 42 40 38 42 38 39 23