MANY FARMS SCHOOL, ARIZONA

Monthly Total Heating Degree Days

(025204)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197507
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
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 w 21.50 112.00 r 834.50 1085.00 1941.00
1952 1023.50 899.00 884.50 424.50 126.00 20.50 0.00 0.00 40.00 263.00 870.00 1093.50 5644.50
1953 879.50 878.00 712.00 474.50 320.00 12.00 0.00 0.00 18.00 378.72 a 720.50 1187.50 5580.72
1954 1010.50 714.00 790.00 317.50 85.50 7.50 0.00 0.00 41.50 300.00 682.00 1091.00 5039.50
1955 1160.00 1055.00 708.50 566.50 257.00 53.50 0.00 0.00 72.50 285.00 766.50 837.00 5761.50
1956 852.50 949.00 707.50 486.00 50.00 l 0.00 c 0.00 0.00 9.00 306.50 1027.50 952.50 f 4338.00
1957 956.35 a 651.00 d 669.71 b 504.23 d 217.00 f 24.00 i 0.00 f 0.00 f 49.50 j 268.00 f 591.00 h 990.89 c 3772.18
1958 1088.32 c 726.32 c 789.90 e 389.00 f 91.50 i 0.00 o 0.00 g 0.00 i 54.50 i 272.50 i 499.50 k 591.50 k 2604.55
1959 727.00 j 450.50 m 474.00 k 240.50 h 44.00 o 6.50 h 0.00 l 0.00 i 39.00 k 203.00 k 453.50 l 653.50 k 0.00
1960 707.50 m 630.50 i 440.00 g 301.00 f 117.50 l 2.00 g 0.00 n 0.00 i 14.50 k 287.00 j 404.00 m 775.00 k 0.00
1961 772.50 k 521.00 i 528.00 h 254.00 k 82.00 i 6.00 h 0.00 t 0.00 z 59.00 j 272.50 i 485.00 j 899.00 k 0.00
1962 1086.50 g 576.00 g 526.00 i 188.50 l 171.50 i 19.00 i 0.00 j 0.00 i 11.00 l 249.00 h 479.50 h 682.50 k 0.00
1963 1015.50 h 546.50 h 555.00 i 421.00 h 45.00 i 23.50 i 0.00 l 0.00 i 10.00 k 172.00 j 450.50 l 865.50 j 0.00
1964 899.00 i 750.00 i 660.00 i 407.00 h 156.50 i 19.50 h 0.00 m 3.50 j 68.50 i 242.50 h 525.00 l 708.00 j 0.00
1965 756.50 i 680.00 g 602.50 h 345.00 i 233.00 j 39.00 h 2.00 l 2.50 l 103.50 n 189.00 p 315.50 o 406.50 s 0.00
1966 778.00 k 732.50 h 520.50 h 0.00 z 79.71 c 0.00 z 0.50 2.50 50.50 0.00 z 692.50 1056.00 1881.71
1967 1123.00 759.50 522.00 479.50 211.50 29.00 0.00 0.00 38.28 a 0.00 z 628.50 1230.50 5021.78
1968 1424.00 701.91 b 676.00 496.50 195.00 9.00 0.00 8.50 73.50 317.00 727.00 1247.75 a 5876.16
1969 875.50 813.00 775.00 361.50 115.22 a 4.00 0.00 0.00 18.50 394.00 779.50 944.00 5080.22
1970 994.00 689.50 780.50 568.00 138.00 33.00 0.00 0.00 97.00 471.00 682.00 1037.00 5490.00
1971 1066.50 822.00 695.00 443.50 233.50 30.00 0.00 g 0.00 122.50 436.50 729.00 1100.50 5679.00
1972 969.00 780.50 483.50 364.00 166.50 13.50 0.50 0.50 24.00 296.50 767.00 1116.50 4982.00
1973 1280.00 799.50 749.50 492.50 152.00 43.50 0.00 0.00 83.50 337.50 588.50 934.00 5460.50
1974 1061.50 921.00 486.50 411.00 92.00 14.00 0.00 0.00 59.50 308.50 671.00 1134.00 5159.00
1975 1125.50 820.00 718.50 529.00 287.50 19.66 a 0.00 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3500.16
Period of Record Statistics
MEAN 1055.60 811.20 696.79 461.25 175.67 20.65 0.08 0.82 51.32 341.18 744.40 1072.34 5407.41
S.D. 149.78 108.22 112.81 73.93 77.20 15.43 0.19 2.31 32.96 64.64 107.23 112.02 320.77
SKEW 0.85 0.57 -0.72 -0.40 0.45 0.70 1.92 2.93 0.64 0.83 1.14 -0.38 -0.03
MAX 1424.00 1055.00 884.50 568.00 320.00 53.50 0.50 8.50 122.50 471.00 1027.50 1247.75 5876.16
MIN 852.50 651.00 483.50 317.50 79.71 0.00 0.00 0.00 9.00 263.00 588.50 837.00 4982.00
NO YRS 16 16 16 15 14 14 13 14 15 12 15 15 10