WAHWEAP, ARIZONA

Monthly Total Heating Degree Days

(029114)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201212
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
1961 0.00 z 0.00 z 0.00 z 0.00 z 14.50 k 0.00 i 0.00 l 0.00 h 2.00 j 88.50 l 368.00 l 1095.91 d 1095.91
1962 968.75 a 606.00 580.50 77.07 a 55.50 3.50 0.00 0.00 0.00 a 91.00 439.00 842.34 b 3663.66
1963 756.50 i 500.37 a 493.50 273.10 a 5.00 0.00 a 0.00 0.00 0.00 a 40.82 a 483.21 b 937.00 2733.00
1964 971.00 762.06 b 595.41 b 248.50 85.77 a 0.00 c 0.00 0.00 1.50 64.50 611.50 785.16 b 4125.39
1965 777.00 648.50 539.40 a 248.89 c 110.00 4.50 0.00 b 0.00 a 53.00 110.00 415.34 a 822.00 3728.63
1966 946.00 795.00 402.00 140.69 a 14.00 0.00 b 0.00 0.00 0.00 127.50 439.00 818.00 3682.19
1967 952.00 596.62 b 354.50 295.00 87.32 a 2.00 0.00 0.00 1.00 85.50 437.50 1123.00 3934.43
1968 1197.50 522.50 346.50 h 316.07 b 39.55 b 10.00 0.00 0.00 3.00 106.20 d 519.50 1012.50 3726.83
1969 746.00 654.35 e 527.57 d 156.00 31.50 0.00 0.00 0.00 0.00 a 242.50 545.69 a 784.00 3687.61
1970 829.00 510.50 490.50 317.00 28.00 0.00 0.00 a 0.00 12.50 224.00 499.50 839.00 3750.00
1971 895.50 623.50 457.00 185.00 65.50 0.00 0.00 0.00 19.00 272.00 608.50 970.50 4096.50
1972 837.00 569.50 213.00 133.50 10.33 a 0.00 a 0.00 0.00 a 0.00 200.50 621.50 954.50 3539.83
1973 1086.00 664.50 540.50 257.00 39.50 0.00 0.00 0.00 5.50 126.00 510.00 761.57 a 3990.57
1974 967.50 728.00 303.00 257.00 13.43 a 0.00 0.00 a 0.00 3.33 c 114.00 525.00 865.50 3776.77
1975 946.50 675.00 550.50 432.32 b 86.50 0.00 0.00 a 0.00 a 2.00 187.00 577.00 837.50 4294.32
1976 894.00 502.84 a 523.50 217.00 22.73 a 0.00 a 0.00 0.00 4.00 160.00 506.50 888.50 3719.07
1977 917.50 585.50 556.50 140.50 70.78 a 0.00 0.00 a 0.00 0.00 73.00 459.00 602.95 a 3405.73
1978 748.13 a 577.00 344.00 173.28 a 33.50 l 0.00 n 0.00 m 0.00 a 22.50 83.50 535.34 a 1076.73 a 3560.49
1979 1063.96 c 823.00 520.80 a 202.50 0.00 z 4.50 0.00 a 0.00 0.00 101.00 593.00 848.00 4156.76
1980 769.00 601.00 552.50 96.50 w 51.00 j 0.00 z 0.00 a 0.00 1.15 d 202.50 j 0.00 z 554.00 f 1923.65
1981 713.52 a 551.00 454.50 105.50 23.25 a 0.00 a 0.00 0.00 0.00 202.00 479.00 746.50 3275.27
1982 869.50 695.50 466.00 219.50 36.00 0.00 0.00 0.00 5.50 272.50 563.00 0.00 z 3127.50
1983 813.00 577.00 430.50 346.00 116.00 0.00 0.00 b 0.00 b 0.00 c 101.00 474.00 686.50 3544.00
1984 899.00 712.50 312.50 j 268.00 16.50 0.00 0.00 i 0.00 a 0.00 302.50 549.00 797.50 3545.00
1985 841.50 707.50 476.50 123.50 20.50 0.00 0.00 0.00 21.50 130.50 542.00 787.00 3650.50
1986 713.00 494.50 300.50 167.00 29.00 k 0.00 j 0.00 q 0.00 51.00 211.50 467.00 791.50 3196.00
1987 916.50 615.50 540.50 149.00 24.00 0.00 0.00 0.00 0.00 107.50 541.50 890.50 3785.00
1988 863.50 659.50 476.50 226.00 71.50 4.50 0.00 0.00 e 9.50 20.00 446.00 778.50 3555.50
1989 1021.00 623.50 378.50 98.50 42.00 0.00 0.00 0.00 0.00 172.00 494.50 859.00 3689.00
1990 523.00 m 676.00 433.00 131.50 31.50 0.00 b 0.00 0.00 2.00 138.00 550.00 1011.50 2973.50
1991 938.50 579.50 544.50 238.50 65.00 8.50 0.00 0.00 0.00 133.50 611.00 881.00 4000.00
1992 998.00 613.50 393.50 60.00 0.50 0.00 0.00 0.00 0.00 0.00 z 617.50 987.50 3670.50
1993 765.70 a 0.00 z 372.50 172.50 48.00 0.00 0.00 0.00 0.00 184.00 607.00 848.50 2998.20
1994 818.00 714.50 361.00 237.50 26.00 0.00 0.00 0.00 0.00 190.50 639.50 797.00 3784.00
1995 808.00 465.50 413.00 266.50 80.00 4.00 0.00 0.00 2.50 132.00 403.00 717.50 3292.00
1996 793.50 559.50 426.00 166.00 17.50 0.00 0.00 0.00 9.50 240.00 527.50 779.50 3519.00
1997 812.50 650.50 395.00 302.00 10.00 0.00 m 0.00 a 0.00 0.00 224.50 489.00 875.50 3759.00
1998 773.00 677.50 514.50 333.50 49.50 1.00 0.00 0.00 0.00 224.00 543.00 855.50 3971.50
1999 722.30 a 591.11 a 340.40 e 370.00 97.13 a 1.00 g 0.00 a 0.00 j 15.54 b 115.50 379.00 f 832.02 c 3084.00
2000 700.37 d 599.68 a 533.31 d 106.07 b 21.50 h 0.00 d 0.00 f 0.00 e 4.50 g 191.96 e 557.50 f 642.00 f 2131.40
2001 718.00 f 694.40 c 423.27 e 140.50 l 28.00 h 0.50 f 0.00 d 0.00 f 0.00 f 57.00 g 428.89 c 877.30 a 2423.86
2002 839.30 d 674.00 536.00 60.00 26.50 0.00 0.00 0.00 6.00 192.50 535.50 835.00 3704.80
2003 693.50 585.00 417.50 237.50 51.50 0.00 e 0.00 0.00 e 2.50 43.00 571.00 826.00 3427.50
2004 913.00 778.00 110.50 j 152.00 10.00 0.00 0.00 e 0.00 18.00 171.00 568.50 842.00 3452.50
2005 693.50 580.00 431.50 193.50 41.00 2.00 0.00 0.00 0.00 129.00 484.00 845.50 3400.00
2006 812.00 474.00 f 530.00 145.00 3.00 0.00 0.00 0.00 22.50 224.00 498.50 863.00 3098.00
2007 952.50 577.00 374.07 a 134.50 g 43.50 0.50 0.00 0.00 15.50 167.00 440.50 904.50 3475.07
2008 942.00 654.00 398.50 271.20 e 63.50 1.50 0.00 0.00 0.00 128.00 454.00 843.00 3755.70
2009 808.50 605.00 430.00 213.50 2.00 0.00 0.00 0.00 0.00 202.50 0.00 z 956.50 3218.00
2010 892.00 673.50 503.00 0.00 z 97.50 0.00 0.00 0.00 0.00 153.50 611.50 0.00 z 2931.00
2011 432.50 r 309.00 q 234.50 p 0.00 z 0.00 z 0.00 z 0.00 a 0.00 z 0.00 z 169.00 570.00 155.00 z 739.00
2012 814.27 a 625.50 378.00 i 0.00 z 6.00 0.00 0.00 0.00 0.00 r 122.50 492.00 78.50 z 2060.27
Period of Record Statistics
MEAN 864.96 628.25 453.02 209.56 42.84 1.06 0.00 0.00 6.60 154.26 521.79 860.43 3715.47
S.D. 111.12 79.71 85.12 85.18 31.65 2.28 0.00 0.00 11.89 64.28 62.94 101.65 247.86
SKEW 0.58 0.26 -0.50 0.33 0.63 2.49 0.00 0.00 2.57 0.13 0.04 0.49 0.29
MAX 1197.50 823.00 595.41 432.32 116.00 10.00 0.00 0.00 53.00 302.50 639.50 1123.00 4294.32
MIN 693.50 465.50 213.00 60.00 0.50 0.00 0.00 0.00 0.00 20.00 403.00 602.95 3275.27
NO YRS 47 48 46 45 44 44 47 48 47 48 47 46 29