FORESTDALE, ARIZONA

Monthly Total Heating Degree Days

(023082)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197105
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
1947 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 355.50 h 909.83 a 1034.00 1943.83
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.00 4.00 114.00 453.00 893.00 947.00 2412.00
1949 1264.00 975.50 782.50 552.50 362.00 120.52 a 2.50 g 41.50 99.00 555.50 624.00 1104.50 6481.52
1950 981.00 727.00 745.00 491.00 396.00 139.50 13.00 28.50 250.00 288.00 667.00 869.00 5595.00
1951 1045.50 838.50 838.00 595.00 380.00 210.50 0.00 27.50 132.50 456.50 794.50 1041.00 6359.50
1952 954.00 927.00 995.50 557.50 321.00 111.50 9.00 6.50 110.00 387.50 931.00 1084.50 6395.00
1953 882.50 925.50 785.00 595.00 506.00 123.50 4.00 15.50 123.00 490.00 704.50 1095.00 6249.50
1954 975.50 714.00 805.50 451.50 292.50 130.00 0.50 31.00 90.50 391.50 705.00 1009.00 5596.50
1955 1166.00 1004.50 799.00 655.50 376.00 155.50 23.00 3.50 139.00 390.50 746.50 865.00 6324.00
1956 891.00 1077.50 775.00 623.50 337.50 44.50 11.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3760.00
1957 0.00 z 622.22 a 760.57 b 609.81 d 459.26 d 109.50 14.00 20.50 171.00 483.50 854.00 0.00 z 4104.36
1958 1078.00 765.50 898.00 596.50 315.00 85.00 12.50 0.50 124.00 454.50 824.00 934.50 6088.00
1959 995.00 895.00 842.00 503.50 0.00 z 51.00 0.00 21.50 182.50 497.50 794.00 1012.00 5794.00
1960 1257.00 1027.50 690.50 529.00 403.00 68.50 1.00 11.50 96.50 529.50 758.00 1134.00 6506.00
1961 1058.00 843.00 823.50 553.50 380.00 71.00 0.00 13.50 238.00 543.50 847.00 1117.00 6488.00
1962 1184.50 861.50 943.20 d 490.50 409.50 176.00 27.38 a 9.50 114.00 g 458.00 686.00 954.28 a 6200.37
1963 1159.50 745.50 814.50 590.00 286.75 c 191.50 0.00 a 21.91 b 82.00 376.00 748.00 1055.50 6071.16
1964 1210.50 1082.50 946.00 684.00 385.29 c 128.00 0.00 a 29.00 192.00 373.50 880.50 981.15 a 6892.44
1965 961.50 971.50 867.00 608.50 466.50 239.00 0.00 b 23.50 184.00 h 449.50 685.00 953.50 6225.50
1966 1152.50 974.00 745.00 527.00 268.50 98.00 0.00 11.50 105.50 488.00 670.34 a 1066.00 6106.34
1967 1075.50 813.50 0.00 z 871.61 b 381.30 a 142.24 a 0.00 a 23.25 a 150.56 c 435.00 676.55 a 0.00 z 4569.51
1968 851.00 g 753.50 773.00 0.00 z 360.50 0.00 z 13.00 0.00 z 237.00 e 0.00 z 776.50 1166.00 4079.50
1969 880.50 882.50 923.50 555.50 360.50 186.00 14.00 0.00 z 0.00 z 0.00 z 732.00 889.50 5424.00
1970 1082.00 800.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1882.50
1971 1083.97 a 916.50 0.00 z 650.17 a 527.53 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3178.17
Period of Record Statistics
MEAN 1063.71 875.84 827.61 585.29 379.74 129.06 6.83 18.11 146.50 447.42 768.51 1015.62 6222.62
S.D. 118.46 122.07 79.35 88.48 68.00 52.83 8.39 10.96 53.52 67.20 88.88 89.21 369.20
SKEW 0.05 -0.11 0.51 1.48 0.49 0.29 0.97 0.19 0.76 -0.45 0.29 -0.16 -0.28
MAX 1264.00 1082.50 995.50 871.61 527.53 239.00 27.38 41.50 250.00 555.50 931.00 1166.00 6892.44
MIN 880.50 622.22 690.50 451.50 268.50 44.50 0.00 0.50 82.00 288.00 624.00 865.00 5595.00
NO YRS 21 23 20 21 21 20 21 19 18 19 22 20 12