MONUMENT VALLEY, ARIZONA

Monthly Total Heating Degree Days

(025665)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201211
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
1980 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 318.86 c 501.00 f 728.00 1046.86
1981 807.55 a 676.50 639.63 a 200.00 0.00 z 19.80 e 0.00 c 1.66 c 4.50 h 381.09 b 702.41 a 947.29 e 4375.93
1982 1038.00 926.00 646.50 389.00 142.00 0.00 z 0.00 0.00 44.50 442.50 755.00 1022.00 5405.50
1983 1010.08 a 748.00 648.00 538.00 212.50 20.50 0.00 0.00 43.50 238.50 642.50 966.50 5068.08
1984 1086.00 824.50 632.50 428.50 68.00 19.50 0.00 1.00 32.50 494.00 711.50 998.00 5296.00
1985 1105.00 856.00 617.00 214.50 53.00 2.50 0.00 0.00 58.50 273.00 703.50 901.50 4784.50
1986 822.00 606.50 440.50 303.50 93.50 0.00 0.00 0.00 89.48 a 344.00 675.00 959.00 4333.48
1987 1106.50 782.50 709.00 242.50 95.00 0.00 0.00 0.00 11.50 189.00 738.50 1111.87 a 4986.37
1988 1203.50 798.00 620.50 299.00 145.00 5.50 0.00 0.00 39.50 81.50 667.00 983.50 4843.00
1989 1195.00 847.00 383.00 167.00 74.00 0.00 0.00 0.00 7.50 268.50 567.50 903.50 4413.00
1990 1078.50 756.00 522.50 220.50 87.00 0.00 0.00 0.00 33.50 297.00 805.00 1296.00 5096.00
1991 1314.50 825.00 712.00 427.00 116.50 25.00 0.00 5.00 0.50 222.50 718.00 1356.00 5722.00
1992 1322.00 887.50 0.00 z 156.50 86.00 3.00 0.00 8.00 3.50 148.00 814.50 1329.38 a 4758.38
1993 958.50 760.00 531.00 291.00 104.00 14.00 0.00 0.00 22.00 323.50 738.00 993.50 4735.50
1994 904.50 831.50 476.00 338.00 68.50 0.00 0.00 0.00 4.50 302.00 778.50 963.50 4667.00
1995 945.00 530.50 554.00 372.50 184.50 22.00 0.00 0.00 9.50 t 189.00 505.50 848.00 4151.00
1996 921.50 616.50 520.50 287.00 37.50 0.00 0.00 0.00 65.50 318.50 673.00 937.00 4377.00
1997 1017.50 807.50 409.50 428.50 73.00 7.50 0.00 0.00 1.50 309.50 643.00 1027.00 4724.50
1998 862.00 819.00 611.00 448.50 71.00 2.00 0.00 s 0.00 z 2.50 339.00 696.50 975.50 4827.00
1999 828.73 a 672.00 450.50 450.50 137.50 17.00 0.00 0.00 22.50 189.10 a 537.00 978.00 4282.83
2000 883.00 0.00 z 617.50 211.50 41.50 0.00 0.00 0.00 e 26.00 282.50 887.07 a 889.00 3838.07
2001 1033.50 771.50 0.00 z 289.00 55.50 8.00 0.00 b 0.00 m 0.00 q 122.50 i 552.50 1005.00 3715.00
2002 1013.70 a 796.50 617.50 167.50 61.50 0.00 0.00 0.00 30.00 322.00 676.00 985.00 4669.70
2003 756.00 757.50 605.50 266.00 i 120.00 0.00 0.00 0.00 7.50 102.50 705.50 966.50 4021.00
2004 1039.00 902.00 369.50 368.50 42.50 0.00 0.00 0.00 69.50 288.00 723.00 992.00 4794.00
2005 821.00 710.00 0.00 z 171.00 p 96.00 6.50 0.00 0.00 13.50 239.50 559.00 935.00 3380.50
2006 901.00 698.50 625.00 153.00 l 81.50 0.00 0.00 7.00 130.00 396.00 674.00 1024.00 4537.00
2007 1139.25 a 738.00 610.70 a 276.00 125.50 7.50 0.00 e 0.00 34.50 g 249.50 0.00 z 0.00 z 3146.45
2008 1107.50 828.73 c 528.50 307.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2772.23
2009 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 0.00 z 0.00 z 0.00
2010 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 0.00 z 0.00 z 0.00
2011 0.00 z 0.00 z 490.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.14 b 0.00 z 0.00 z 0.00 z 492.64
2012 0.00 z 0.00 z 100.00 z 15.50 z 0.00 z 0.00 z 0.00 z 0.00 z 16.50 l 462.50 558.00 0.00 z 1020.50
Period of Record Statistics
MEAN 1007.87 769.38 561.09 312.88 95.10 6.93 0.00 0.91 31.73 286.13 681.74 1000.80 4799.56
S.D. 149.57 92.87 95.99 103.54 43.39 8.50 0.00 2.25 32.26 99.07 91.42 136.37 378.65
SKEW 0.32 -0.68 -0.47 0.28 0.97 0.89 0.00 2.39 1.40 0.01 -0.07 1.23 0.74
MAX 1322.00 926.00 712.00 538.00 212.50 25.00 0.00 8.00 130.00 494.00 887.07 1356.00 5722.00
MIN 756.00 530.50 369.50 156.50 37.50 0.00 0.00 0.00 0.50 81.50 505.50 728.00 4282.83
NO YRS 28 27 26 25 26 26 26 25 24 28 27 27 16