ARIZONA SONORA DESERT M, ARIZONA

Monthly Total Heating Degree Days

(020415)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197306
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 368.00 229.50 282.50 2.00 6.50 0.00 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 888.50
1963 487.50 170.50 175.00 64.00 0.00 0.00 0.00 0.00 0.00 2.00 0.00 z 321.00 1220.00
1964 0.00 z 0.00 z 0.00 z 105.00 29.00 0.00 0.00 b 0.00 0.00 z 1.00 264.00 345.00 744.00
1965 337.00 320.50 0.00 z 101.50 3.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 762.50
1966 392.87 e 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 75.00 c 289.50 757.37
1967 358.00 197.50 77.00 72.00 7.50 0.00 a 0.00 0.00 0.00 1.00 56.50 495.50 1265.00
1968 0.00 z 163.26 b 175.00 66.50 0.00 0.00 0.00 0.00 0.00 a 0.00 181.00 394.00 979.76
1969 275.00 312.50 281.00 17.50 37.20 a 0.00 0.00 0.00 0.00 26.50 116.50 255.00 1321.20
1970 307.00 120.50 188.50 72.50 4.00 0.00 0.00 0.00 0.00 20.50 59.50 332.00 1104.50
1971 360.50 254.00 131.50 55.50 0.00 0.00 0.00 0.00 0.00 94.50 192.50 457.50 1546.00
1972 347.00 176.50 44.50 25.00 0.00 0.00 0.00 0.00 0.00 88.00 315.50 451.00 1447.50
1973 456.50 300.00 400.00 134.00 12.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1303.00
Period of Record Statistics
MEAN 368.94 224.48 195.00 65.05 9.11 0.00 0.00 0.00 0.00 29.19 157.56 371.17 1336.84
S.D. 63.81 69.98 110.98 39.64 12.63 0.00 0.00 0.00 0.00 39.62 97.38 82.69 169.84
SKEW 0.56 0.13 0.45 0.03 1.39 0.00 0.00 0.00 0.00 0.96 0.43 0.18 -0.14
MAX 487.50 320.50 400.00 134.00 37.20 0.00 0.00 0.00 0.00 94.50 315.50 495.50 1546.00
MIN 275.00 120.50 44.50 2.00 0.00 0.00 0.00 0.00 0.00 0.00 56.50 255.00 1104.50
NO YRS 10 10 9 11 11 10 9 8 7 8 8 9 5