PUNKIN CENTER, ARIZONA

Monthly Total Heating Degree Days

(026840)

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
1973 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 0.00 0.00 b 65.00 402.41 a 617.00 1084.41
1974 623.00 561.68 c 319.00 159.00 8.02 b 0.00 b 0.00 0.00 b 0.00 b 72.69 b 410.69 a 729.03 b 2883.11
1975 709.50 514.23 b 458.50 348.00 76.47 a 0.00 a 0.00 b 0.00 a 0.50 99.95 b 391.67 c 629.30 a 3228.11
1976 296.00 t 427.48 b 436.77 c 0.00 z 0.00 z 0.00 p 0.00 0.00 b 4.66 a 113.27 e 408.10 a 687.88 b 2078.16
1977 638.00 440.50 504.50 156.21 a 73.22 b 0.00 0.00 0.00 0.00 z 34.21 b 340.34 a 413.00 f 2186.98
1978 575.50 426.00 266.60 a 184.66 a 47.50 0.00 b 0.00 a 0.00 0.00 52.00 346.03 a 700.60 a 2598.89
1979 709.50 506.07 a 404.50 162.41 a 57.50 0.00 a 0.00 c 0.00 0.00 c 57.72 b 453.10 a 606.10 b 2956.92
1980 539.00 412.50 403.00 a 179.50 69.00 2.00 0.00 0.00 a 0.00 a 132.78 a 349.82 b 385.50 f 2087.60
1981 503.00 411.92 b 365.80 a 86.38 a 0.00 a 0.00 0.00 0.00 0.00 b 79.50 f 327.32 b 529.07 a 2223.49
1982 600.00 407.50 394.50 164.00 28.50 0.00 0.00 0.00 7.00 100.50 352.00 641.00 2695.00
1983 589.50 422.00 369.50 244.00 34.50 0.00 0.00 0.00 4.00 20.50 369.00 597.50 2650.50
1984 589.00 479.00 248.00 174.50 9.50 0.00 0.00 0.00 0.50 172.50 396.50 624.00 2693.50
1985 661.00 550.00 400.50 107.00 14.50 0.00 0.00 0.00 z 9.00 71.50 452.00 603.50 2869.00
1986 486.50 420.50 251.00 132.50 28.50 0.00 0.00 0.00 9.00 99.00 341.50 601.00 2369.50
1987 642.50 472.50 414.00 66.00 10.00 0.00 0.00 0.00 0.00 7.00 386.00 711.00 2709.00
1988 661.00 418.00 315.00 145.00 50.50 0.00 0.00 0.00 1.50 7.00 338.50 613.00 2549.50
1989 610.50 389.50 184.00 26.00 14.00 0.00 0.00 0.00 0.00 z 0.00 z 130.50 o 571.50 1795.50
1990 574.50 486.50 235.00 57.00 8.50 0.00 0.00 0.00 0.00 18.00 281.50 639.50 2300.50
1991 477.00 161.00 353.50 47.50 15.50 2.00 0.00 0.00 0.00 79.00 387.00 585.50 2108.00
1992 649.50 393.05 a 329.00 78.50 9.00 0.00 0.00 0.00 0.00 11.00 463.50 640.50 2574.05
1993 503.75 a 451.50 278.50 102.00 3.00 9.50 0.00 0.00 0.00 4.50 231.72 a 218.00 s 1584.47
1994 423.50 i 524.00 288.00 143.00 26.50 0.00 0.00 0.00 0.00 55.00 g 461.00 563.50 2006.00
1995 618.50 313.00 297.00 200.50 50.50 3.50 0.00 0.00 0.00 28.50 203.00 0.00 z 1714.50
1996 588.00 206.00 j 202.50 i 91.50 0.00 j 0.00 j 0.00 i 0.00 i 0.00 z 107.50 j 213.50 i 552.00 1231.50
1997 588.50 436.50 113.00 j 149.48 a 3.00 0.00 0.00 0.00 j 0.00 z 0.00 z 306.00 470.00 i 1483.48
1998 558.50 547.00 265.50 i 271.61 b 34.50 j 0.00 z 0.00 0.00 0.00 b 43.00 k 196.50 j 567.00 1944.11
1999 301.50 n 300.50 h 159.00 i 155.00 h 28.00 g 0.00 h 0.00 z 0.00 z 0.00 z 8.00 u 178.97 a 555.00 733.97
2000 491.00 334.50 262.98 a 49.14 a 0.00 a 0.00 a 0.00 0.00 0.00 98.00 352.50 i 575.00 1810.62
2001 635.00 491.00 296.16 c 157.24 a 7.00 0.00 0.00 a 0.00 0.00 2.50 228.00 641.50 2458.40
2002 576.50 376.00 261.50 22.50 4.50 0.00 0.00 0.00 0.00 54.50 264.00 598.00 2157.50
2003 388.00 414.50 323.50 142.50 11.50 0.00 0.00 0.00 0.00 8.50 347.50 598.00 2234.00
2004 563.00 504.00 122.50 64.00 0.00 0.00 0.00 0.00 0.00 64.00 380.00 581.50 2279.00
2005 523.00 381.50 317.50 109.00 9.50 0.00 0.00 0.00 0.00 16.50 248.00 0.00 z 1605.00
2006 404.00 i 354.00 354.50 62.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 620.50 1391.00
2007 651.00 405.00 180.00 67.50 5.00 0.00 h 0.00 0.00 k 0.00 l 23.00 154.50 636.50 2122.50
2008 604.00 449.00 242.00 79.50 38.50 0.00 0.00 f 0.00 0.00 35.50 0.00 z 0.00 z 1448.50
2009 0.00 z 0.00 z 173.00 i 135.00 0.00 i 0.00 g 0.00 0.00 0.00 70.00 244.00 647.00 1096.00
2010 568.00 415.50 334.50 121.50 44.00 0.00 0.00 0.00 0.00 41.50 362.00 477.50 2364.50
2011 615.57 c 530.50 212.00 66.00 43.52 e 0.00 a 0.00 d 0.00 0.00 43.63 d 322.22 c 638.94 d 2472.39
2012 545.00 403.50 280.50 83.89 c 2.50 0.00 e 0.00 a 0.00 c 0.00 15.50 d 5.50 v 0.00 z 1330.89
2013 0.00 z 501.50 200.00 3.50 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 701.50
Period of Record Statistics
MEAN 583.99 436.01 311.54 125.30 23.64 0.52 0.00 0.00 1.10 53.74 337.21 611.84 2541.18
S.D. 68.77 76.57 85.37 69.17 23.26 1.78 0.00 0.00 2.57 42.17 81.75 52.41 286.87
SKEW -0.55 -1.05 0.08 1.04 0.87 4.22 0.00 0.00 2.29 0.84 -0.48 0.03 0.58
MAX 709.50 561.68 504.50 348.00 76.47 9.50 0.00 0.00 9.00 172.50 463.50 729.03 3228.11
MIN 388.00 161.00 122.50 22.50 0.00 0.00 0.00 0.00 0.00 2.50 154.50 477.50 2108.00
NO YRS 34 37 35 37 34 33 37 34 33 32 33 32 19