TUCSON 17 NW, ARIZONA

Monthly Total Cooling Degree Days

(028795)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1982 0.00 z 0.00 z 0.00 z 0.00 z 302.25 a 539.50 681.50 667.50 508.00 170.50 6.21 a 0.50 2875.96
1983 0.00 0.00 b 18.17 b 55.86 a 331.70 a 513.75 b 707.50 575.00 558.10 a 169.43 b 25.18 b 0.00 d 2954.70
1984 10.00 v 1.00 h 16.53 a 108.10 a 410.48 b 522.93 a 586.79 c 319.00 n 529.66 a 99.50 15.54 b 0.00 f 2289.53
1985 0.00 g 0.00 b 42.62 c 187.50 340.00 638.50 721.00 693.00 381.72 a 169.95 c 29.50 0.00 b 3203.80
1986 12.00 20.00 107.97 b 180.50 429.50 676.50 637.00 653.50 416.50 161.56 e 23.50 0.00 3318.52
1987 3.50 5.00 17.00 229.50 310.00 627.00 705.00 647.50 475.00 340.50 19.00 4.00 3383.00
1988 3.10 a 11.50 51.50 136.00 359.08 a 636.50 733.00 669.50 491.00 338.50 72.50 3.00 3505.18
1989 0.00 23.50 107.00 324.00 411.50 666.00 782.00 654.00 579.00 227.00 22.00 0.00 3796.00
1990 1.50 12.50 67.50 162.00 354.00 709.14 a 634.50 535.50 535.50 265.50 70.50 0.00 3348.14
1991 0.00 5.50 13.00 65.50 306.50 486.00 704.50 696.50 495.50 372.50 29.50 0.00 3175.00
1992 0.00 0.00 4.50 190.50 383.50 599.00 677.00 622.00 540.50 303.00 12.50 0.00 3332.50
1993 0.00 1.50 25.50 158.50 431.50 613.50 708.00 649.00 465.00 0.00 z 10.50 j 0.00 3052.50
1994 0.50 2.50 22.50 168.00 297.00 719.50 771.50 735.00 533.50 193.50 16.00 j 0.00 z 3443.50
1995 0.00 7.00 38.00 93.50 247.00 526.50 759.50 734.00 601.50 167.50 j 15.50 3.00 o 3022.50
1996 2.00 21.46 d 37.00 i 136.50 l 495.00 706.50 744.50 671.50 394.00 75.50 t 22.00 l 3.50 3038.46
1997 1.00 1.00 86.00 141.00 481.50 585.00 759.50 689.00 606.00 241.50 29.00 0.00 3620.50
1998 0.00 0.00 16.53 a 75.00 277.50 549.00 371.50 n 691.82 a 577.00 198.00 i 23.50 8.00 2218.35
1999 6.50 i 0.00 h 32.00 g 84.64 b 347.50 592.76 a 645.66 b 639.00 538.00 343.50 127.76 a 5.17 a 3323.98
2000 10.85 a 2.79 c 15.50 205.00 0.00 z 621.43 b 757.00 649.00 598.50 196.85 a 0.00 c 0.00 a 3056.92
2001 1.60 b 0.00 42.00 157.50 478.95 a 643.45 a 691.50 646.35 a 628.50 283.00 101.38 a 0.00 a 3674.23
2002 1.50 6.50 23.50 227.00 371.50 710.00 726.00 711.50 571.50 178.50 32.00 0.00 3559.50
2003 0.50 7.00 16.50 114.50 409.50 638.00 797.50 692.00 565.50 354.00 26.50 2.00 3623.50
2004 4.50 0.00 166.50 131.50 428.00 611.00 727.00 641.00 496.50 186.50 26.00 0.00 3418.50
2005 2.00 0.00 9.62 b 129.00 384.00 0.00 z 805.00 559.00 560.50 260.50 0.00 z 0.50 2710.12
2006 3.50 10.50 17.50 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 31.50
2007 0.00 a 8.50 91.34 c 143.50 415.50 622.00 729.50 612.00 538.00 273.00 93.62 a 0.00 3526.96
2008 0.00 0.00 0.00 z 127.20 e 242.00 680.00 613.11 d 642.50 533.50 278.50 77.50 0.50 3194.81
2009 14.50 20.50 69.15 e 128.50 325.50 i 429.50 f 598.00 f 684.98 e 390.00 i 174.00 f 0.00 z 0.00 z 917.63
2010 0.00 c 0.00 z 8.00 80.50 f 257.00 619.00 786.00 674.50 566.50 247.50 49.50 4.00 3212.00
2011 0.00 b 3.04 e 52.38 b 103.50 m 190.50 i 492.00 h 722.19 d 774.40 e 456.50 f 207.50 i 28.45 a 0.00 d 1580.46
2012 7.46 d 0.00 e 16.50 h 155.00 g 380.30 c 0.00 z 242.00 n 513.05 a 517.50 b 263.00 45.50 0.00 1726.82
2013 3.50 0.00 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 0.00 z 3.50
Period of Record Statistics
MEAN 2.63 6.08 44.09 148.95 366.01 617.40 715.31 655.99 528.64 246.57 40.09 1.15 3445.45
S.D. 3.93 7.43 39.91 59.26 71.06 64.86 56.41 57.58 61.24 72.69 32.28 2.08 217.98
SKEW 1.83 1.15 1.41 0.89 -0.03 -0.28 -0.49 -0.60 -0.80 0.01 1.24 1.84 -0.57
MAX 14.50 23.50 166.50 324.00 495.00 719.50 805.00 774.40 628.50 372.50 127.76 8.00 3796.00
MIN 0.00 0.00 4.50 55.86 242.00 486.00 586.79 513.05 381.72 99.50 0.00 0.00 2954.70
NO YRS 28 28 26 25 27 26 27 29 28 24 25 27 14