BLUE RIDGE RS, ARIZONA

Monthly Total Heating Degree Days

(020871)

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
1967 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.50 48.50 207.50 473.50 678.00 1206.33 b 2621.33
1968 1180.00 844.00 852.50 716.50 451.10 b 165.56 c 34.10 a 141.64 b 226.20 e 478.20 d 852.12 d 918.00 f 5941.92
1969 692.50 h 699.50 h 1001.19 d 620.00 380.50 173.50 19.24 b 27.00 161.67 c 633.50 858.89 c 787.50 f 3875.48
1970 1040.22 d 816.50 943.90 b 817.00 344.00 188.50 17.00 24.50 296.00 661.73 e 755.50 1037.97 b 6942.82
1971 1082.50 907.50 836.00 677.50 547.50 210.52 a 12.50 58.00 181.73 d 703.50 849.50 1258.94 d 7325.69
1972 1008.57 b 831.52 c 656.17 a 441.50 i 414.00 159.83 a 7.00 85.00 250.00 448.00 f 679.50 j 925.00 g 3412.08
1973 993.00 f 976.08 c 1068.39 c 755.89 b 389.71 c 170.69 a 36.17 a 56.00 231.67 c 475.85 a 782.22 c 672.50 i 4942.68
1974 1141.46 c 949.31 b 726.36 b 652.22 c 289.00 70.00 20.50 45.43 b 207.32 b 350.50 i 825.60 e 863.00 h 4927.21
1975 1095.85 a 983.92 c 942.29 b 823.39 b 523.50 202.00 15.50 a 42.88 a 212.22 c 264.00 o 598.50 j 594.00 o 4841.56
1976 632.50 n 386.00 p 630.50 i 530.50 h 243.50 k 158.50 l 16.50 67.17 a 256.00 603.47 a 866.50 1128.00 2937.63
1977 1225.00 856.59 a 960.50 637.50 530.00 131.50 13.50 33.50 160.00 c 457.00 501.00 j 917.50 5922.59
1978 1058.00 934.50 741.50 556.50 392.67 a 104.00 15.50 44.50 175.00 381.30 a 770.00 1303.00 6476.47
1979 1201.00 1044.50 910.50 627.00 463.00 204.50 31.50 108.00 137.88 d 458.50 948.00 1032.00 7166.38
1980 641.00 l 814.00 863.98 d 678.50 575.50 112.50 22.00 44.50 192.50 576.50 821.50 906.50 5607.98
1981 961.50 834.50 910.50 525.00 386.00 81.00 12.00 43.00 209.48 a 579.00 737.00 977.50 6256.48
1982 1099.00 650.00 j 844.50 624.83 a 313.00 j 167.50 i 38.00 28.50 180.00 620.00 869.00 1143.00 5446.83
1983 1088.00 912.50 865.00 797.50 442.00 217.00 10.50 66.00 111.00 520.50 845.50 966.50 6842.00
1984 1104.00 665.00 i 600.50 i 703.50 203.50 164.00 14.50 56.00 160.50 679.00 561.00 j 602.00 m 3085.00
1985 1164.05 a 715.50 i 617.50 i 549.50 355.50 107.50 16.50 15.50 293.00 509.00 879.11 b 706.00 j 3889.66
1986 596.00 j 562.00 i 501.00 k 553.97 a 378.00 107.00 43.50 21.00 273.50 639.00 800.50 713.50 i 2816.47
1987 737.00 k 947.85 a 1031.27 a 546.00 445.00 120.50 58.50 86.50 213.00 422.50 524.50 k 1105.50 4976.62
1988 514.00 p 569.50 j 853.00 619.00 433.50 115.50 5.50 42.00 293.50 397.50 792.50 767.50 k 3552.00
1989 910.00 h 633.00 i 706.00 317.50 i 319.00 140.50 25.00 57.00 124.50 k 546.00 807.50 689.00 k 2601.00
1990 1094.82 a 964.00 597.00 i 552.41 a 413.50 84.00 5.00 68.00 158.50 342.50 j 554.50 j 839.50 j 3340.23
1991 1125.00 817.70 a 695.50 i 677.50 427.50 167.50 k 14.50 24.50 153.50 311.00 i 483.00 l 764.00 j 3240.20
1992 861.00 j 560.00 k 598.50 i 478.50 356.00 159.50 54.50 70.00 161.50 439.00 592.50 k 797.00 j 1719.00
1993 584.50 m 862.00 765.18 a 388.00 j 327.50 168.00 16.50 35.00 210.50 513.57 a 491.50 l 713.50 j 2898.25
1994 603.00 l 662.00 i 552.00 i 580.50 409.00 60.50 12.00 5.00 146.50 328.00 l 594.50 k 598.00 l 1213.50
1995 468.50 q 416.50 l 492.50 k 390.00 n 489.00 196.50 41.00 3.00 136.50 308.00 k 345.00 n 253.50 u 866.00
1996 468.50 p 444.50 m 505.00 k 549.00 191.00 61.00 0.00 13.00 226.00 522.00 436.50 l 545.50 l 1562.00
1997 561.00 o 565.00 k 488.00 j 663.00 255.00 147.50 18.50 11.00 85.00 340.00 k 424.00 l 662.00 l 1180.00
1998 618.50 k 620.50 j 604.00 i 795.52 a 307.00 l 110.00 n 9.30 a 2.50 i 130.00 370.00 j 479.00 k 743.50 i 934.82
1999 573.50 l 536.50 j 573.00 g 471.00 i 312.50 i 106.00 i 10.50 g 25.00 i 148.50 g 293.00 k 405.50 k 659.00 l 0.00
2000 519.00 m 563.50 i 91.00 z 281.00 l 191.00 g 61.61 b 7.00 k 32.00 g 76.50 k 228.00 p 543.00 m 587.00 l 61.61
2001 605.00 n 629.50 i 587.50 h 323.00 n 166.00 h 53.00 l 11.50 m 22.50 l 59.00 i 257.00 i 486.50 k 484.00 r 0.00
2002 739.00 i 622.00 i 560.00 k 469.00 328.00 66.50 2.50 27.00 153.50 402.50 i 512.50 k 561.50 o 1046.50
2003 562.00 k 577.00 i 568.00 j 504.50 h 209.50 h 66.50 i 2.00 7.50 g 96.50 i 255.50 h 438.50 n 592.50 m 2.00
2004 786.50 i 656.00 j 461.00 i 450.50 g 219.50 h 77.50 h 27.50 g 36.00 k 168.00 g 343.50 l 615.00 i 673.00 j 0.00
2005 658.50 j 673.00 g 493.50 n 442.00 i 231.00 h 114.50 g 6.00 g 54.00 115.50 g 362.50 i 714.00 999.50 1767.50
2006 1033.50 841.50 927.00 567.50 260.50 50.00 13.00 46.00 302.50 543.50 720.00 1115.50 6420.50
2007 1268.00 873.00 743.50 552.00 322.50 72.50 2.50 11.50 137.88 d 505.00 655.00 1113.50 6256.88
2008 1225.00 981.00 795.50 598.00 482.50 89.50 8.00 10.00 165.00 524.50 727.00 1005.78 d 6611.78
2009 657.00 k 875.78 a 772.00 671.50 235.00 217.50 2.50 56.50 193.00 587.50 755.00 1219.50 5585.78
2010 1087.00 951.00 895.50 613.50 451.00 129.50 9.50 42.50 138.00 302.00 h 848.00 895.50 6061.00
2011 1159.50 1066.33 d 603.00 g 445.50 g 464.43 d 158.89 c 20.09 d 2.00 160.00 480.50 829.50 1166.00 5507.24
2012 956.50 901.69 b 781.00 526.00 309.00 48.10 a 11.50 5.50 155.17 a 418.50 955.50 1125.00 6193.46
2013 1328.50 1106.00 731.00 19.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 37.00 z 3165.50
Period of Record Statistics
MEAN 1118.56 915.73 850.93 629.55 388.46 131.03 17.94 43.17 190.84 529.30 805.50 1081.15 6649.25
S.D. 92.67 81.22 105.98 95.00 95.02 52.77 13.96 29.58 54.01 86.44 74.85 118.29 401.08
SKEW 0.29 0.64 0.18 0.49 -0.18 0.03 1.25 1.03 0.51 0.27 -0.03 0.08 0.45
MAX 1328.50 1106.00 1068.39 823.39 575.50 217.50 58.50 141.64 302.50 703.50 955.50 1303.00 7325.69
MIN 956.50 814.00 656.17 469.00 191.00 48.10 0.00 2.00 85.00 381.30 655.00 895.50 6193.46
NO YRS 23 25 26 33 36 36 41 40 39 29 26 20 10