CANYON DE CHELLY, ARIZONA

Monthly Total Heating Degree Days

(021248)

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
1970 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 1013.00 1013.00
1971 0.00 z 800.50 675.00 452.50 256.00 55.50 0.00 0.00 113.28 a 452.00 745.50 1096.00 4646.28
1972 951.50 744.50 498.00 360.00 194.00 7.00 0.00 b 0.00 66.50 345.00 800.50 1091.50 5058.50
1973 1238.00 798.50 789.50 547.50 195.50 66.00 0.00 1.00 114.00 410.23 a 682.00 938.61 d 5780.84
1974 1159.00 945.50 508.50 492.50 137.50 23.00 0.00 0.00 78.50 315.00 715.50 1146.00 5521.00
1975 1116.00 a 661.50 f 683.00 548.50 295.00 49.00 0.00 0.00 69.50 361.50 789.50 1089.98 c 5001.98
1976 1116.50 688.23 a 729.00 441.50 143.50 37.50 1.00 0.00 a 71.00 465.00 782.50 1131.50 a 5607.23
1977 1260.67 a 821.00 789.50 395.00 263.50 2.00 0.00 a 0.00 37.00 329.50 670.00 829.54 d 5397.70
1978 906.50 838.50 581.00 393.50 206.50 j 21.50 0.00 7.48 b 95.50 334.00 696.00 1241.03 a 5115.02
1979 1161.39 c 959.26 a 775.00 443.50 207.00 48.50 0.00 11.22 b 50.00 283.50 882.86 b 1063.00 5885.23
1980 950.50 733.00 753.00 487.00 295.50 30.00 0.00 7.50 59.50 456.00 733.00 858.00 5363.00
1981 961.00 758.00 698.53 a 306.00 207.00 23.50 11.00 0.00 13.00 388.50 598.00 896.00 4860.53
1982 1009.50 863.50 640.50 406.00 217.00 54.00 2.00 0.00 42.00 492.00 733.50 1039.00 5499.00
1983 1030.50 748.50 654.00 574.44 c 293.00 75.00 0.00 0.00 59.00 311.00 666.50 874.00 5285.94
1984 1121.50 899.00 683.50 498.50 95.00 26.00 0.00 0.00 39.00 521.00 707.00 953.00 5543.50
1985 1033.00 850.50 628.00 353.50 135.00 30.50 0.00 0.00 148.00 361.50 693.50 970.00 5203.50
1986 893.50 657.50 556.00 386.00 159.50 11.50 0.00 0.00 82.00 409.00 671.00 974.00 4800.00
1987 1032.00 770.50 728.00 311.00 127.50 0.00 0.00 0.00 55.00 245.50 740.00 1066.50 5076.00
1988 1140.00 777.50 669.50 371.00 173.50 8.50 0.00 0.00 72.00 202.50 646.00 1028.50 5089.00
1989 1141.50 802.00 457.50 221.00 95.50 7.00 0.00 0.00 34.00 338.50 687.50 1008.00 4792.50
1990 1044.50 819.50 552.50 277.00 131.00 8.00 0.00 0.50 18.50 308.50 703.00 1260.00 5123.00
1991 1166.50 788.00 703.50 407.00 157.00 24.00 0.00 0.00 24.50 277.50 714.00 1174.00 5436.00
1992 1283.00 785.50 572.50 224.00 87.00 3.00 0.00 3.00 23.50 252.50 847.00 1260.00 5341.00
1993 855.00 711.00 606.00 358.00 115.00 27.00 0.00 0.00 69.00 256.50 779.00 1039.00 4815.50
1994 967.00 786.50 542.50 343.50 131.50 0.00 0.00 0.00 30.00 372.00 771.00 924.00 4868.00
1995 938.00 582.50 575.00 417.00 235.50 28.00 0.00 0.00 z 42.00 324.50 553.50 283.00 q 3696.00
1996 915.50 653.50 591.00 333.50 58.50 3.50 0.00 0.00 90.00 354.00 666.50 864.00 4530.00
1997 1043.00 774.50 510.00 428.00 84.50 21.00 0.00 1.00 q 0.00 z 370.00 653.50 1035.00 4919.50
1998 888.00 802.50 639.50 479.00 137.50 33.00 0.00 0.00 q 5.00 328.50 642.50 964.00 4919.50
1999 836.00 672.00 476.50 466.50 123.40 e 18.00 0.00 0.00 60.00 308.50 597.00 1089.65 a 4647.55
2000 852.00 674.50 696.47 a 252.00 80.50 0.00 0.00 0.00 47.59 a 335.00 897.50 950.15 a 4785.70
2001 1086.50 710.50 579.50 334.29 b 69.00 10.00 0.00 0.00 7.50 224.50 593.00 939.62 b 4554.41
2002 932.00 811.00 644.50 164.50 94.50 0.00 0.00 0.00 28.00 362.00 699.00 999.50 4735.00
2003 798.50 741.50 595.00 369.00 104.00 0.00 0.00 0.00 24.50 185.50 681.50 916.00 4415.50
2004 1007.00 853.50 423.00 320.00 59.50 0.50 0.00 0.00 88.50 323.50 709.00 983.50 4768.00
2005 794.50 704.50 601.50 337.00 107.00 10.50 0.00 0.00 20.00 296.50 631.50 958.00 4461.00
2006 942.00 749.50 645.50 260.00 74.50 2.00 0.00 0.00 111.00 394.50 687.00 1052.00 4918.00
2007 1234.50 715.50 557.50 342.00 121.50 14.00 0.00 0.00 61.00 347.50 611.00 1064.00 5068.50
2008 1242.50 848.50 655.50 424.00 229.50 23.00 0.00 0.00 27.50 368.00 686.00 988.00 5492.50
2009 967.50 792.00 605.50 402.50 45.50 9.00 0.00 0.00 68.00 455.00 709.00 1175.00 5229.00
2010 1230.00 862.00 683.50 353.28 a 206.00 13.50 0.00 1.00 18.00 337.26 b 791.50 825.00 5321.03
2011 1130.50 922.32 c 551.00 358.00 228.88 a 5.50 0.00 0.00 34.00 382.00 726.00 1080.50 5418.70
2012 944.50 841.50 590.00 294.00 83.00 0.00 0.00 0.00 30.00 304.00 644.00 1000.50 4731.50
2013 1278.00 875.50 589.00 10.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 41.00 z 2742.50
Period of Record Statistics
MEAN 1038.07 784.14 620.55 379.36 152.56 19.75 0.33 0.81 54.31 344.98 705.56 1020.20 5095.09
S.D. 139.30 81.55 87.80 91.23 70.72 19.36 1.72 2.43 32.85 74.09 74.54 109.48 383.99
SKEW 0.14 -0.06 -0.03 -0.01 0.52 1.11 5.90 3.21 0.73 0.19 0.54 0.36 0.07
MAX 1283.00 959.26 789.50 574.44 295.50 75.00 11.00 11.22 148.00 521.00 897.50 1260.00 5885.23
MIN 794.50 582.50 423.00 164.50 45.50 0.00 0.00 0.00 5.00 185.50 553.50 825.00 4415.50
NO YRS 42 42 43 42 41 42 42 39 41 42 42 42 36