SAN SIMON 9 ESE, ARIZONA

Monthly Total Heating Degree Days

(027567)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 198607
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
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 r 0.00 0.00 50.50 259.50 559.50 869.50
1963 714.00 423.00 358.00 154.00 0.00 0.00 0.00 0.00 0.00 31.50 349.00 634.50 2664.00
1964 772.50 699.00 463.50 209.00 49.00 0.00 0.00 0.00 6.00 55.00 438.00 625.00 3317.00
1965 566.00 518.50 442.50 154.00 40.50 1.50 0.00 0.00 16.50 51.50 206.50 576.00 2573.50
1966 719.00 622.50 311.00 94.00 3.50 0.00 0.00 0.00 0.00 77.50 252.00 622.50 2702.00
1967 642.50 427.50 223.50 139.00 45.50 0.00 0.00 0.00 a 0.00 51.50 307.00 754.50 2591.00
1968 632.00 379.00 364.50 227.00 23.50 4.00 0.00 0.00 0.00 43.00 406.00 728.50 2807.50
1969 533.00 521.00 497.00 109.00 52.50 0.00 0.00 0.00 0.00 101.00 397.00 586.00 2796.50
1970 682.00 444.00 446.50 232.00 27.50 0.00 0.00 0.00 15.50 125.00 296.50 484.50 2753.50
1971 589.00 450.50 280.50 46.00 o 12.00 0.00 0.00 0.00 5.00 141.50 363.50 626.50 2468.50
1972 561.50 397.50 149.00 100.00 3.00 0.00 0.00 0.00 0.00 99.50 460.00 603.00 2373.50
1973 678.50 456.00 433.00 257.50 35.00 0.00 0.00 0.00 0.00 36.50 315.00 546.50 2758.00
1974 579.50 486.50 240.50 138.00 1.50 0.00 0.00 0.00 6.50 102.00 368.50 730.50 2653.50
1975 674.50 550.50 427.00 301.50 72.00 0.00 0.00 0.00 3.50 84.50 379.00 590.50 3083.00
1976 639.50 371.00 354.43 a 161.00 14.00 0.00 0.00 0.00 1.00 182.50 453.50 661.00 2837.93
1977 659.00 450.00 487.00 141.00 23.00 0.00 0.00 0.00 0.00 36.00 312.00 498.00 2606.00
1978 593.00 489.00 263.00 127.00 54.00 0.00 0.00 0.00 12.00 74.00 348.00 775.00 2735.00
1979 747.00 486.50 411.00 144.50 64.00 0.50 0.00 0.00 22.50 73.50 498.00 585.00 3032.50
1980 568.00 431.50 425.50 173.50 46.50 0.00 0.00 0.00 0.00 199.00 421.00 496.50 2761.50
1981 591.50 406.50 428.50 72.00 5.50 0.00 0.00 0.00 2.00 120.50 306.50 543.00 2476.00
1982 632.50 461.50 364.00 141.00 52.00 0.00 0.00 0.00 2.50 135.00 451.50 715.50 2955.50
1983 663.50 492.00 423.50 338.50 69.50 0.00 0.00 0.00 2.00 58.00 416.00 629.00 3092.00
1984 636.00 571.00 349.00 230.00 5.50 0.00 0.00 0.00 4.50 181.00 381.50 574.02 a 2932.52
1985 724.50 517.50 347.00 102.00 10.50 4.00 0.00 0.00 21.00 108.50 388.50 612.00 2835.50
1986 496.00 436.00 277.50 109.50 26.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1345.00
Period of Record Statistics
MEAN 637.27 478.67 365.29 167.61 30.67 0.42 0.00 0.00 5.02 92.44 365.58 614.88 2788.07
S.D. 70.09 76.59 90.26 68.91 23.28 1.15 0.00 0.00 7.07 48.90 73.18 80.16 218.96
SKEW 0.02 1.12 -0.61 0.92 0.23 2.69 0.00 0.00 1.39 0.71 -0.28 0.38 0.44
MAX 772.50 699.00 497.00 338.50 72.00 4.00 0.00 0.00 22.50 199.00 498.00 775.00 3317.00
MIN 496.00 371.00 149.00 72.00 0.00 0.00 0.00 0.00 0.00 31.50 206.50 484.50 2373.50
NO YRS 24 24 24 23 24 24 24 24 24 24 24 24 22