DATELAND, ARIZONA

Monthly Total Heating Degree Days

(022430)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 196810
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
1952 0.00 z 0.00 z 0.00 z 5.89 b 0.00 0.00 a 0.00 0.00 0.00 d 0.00 z 0.00 z 390.00 395.89
1953 305.87 a 178.00 h 86.50 39.00 0.50 0.00 0.00 0.00 0.00 9.00 123.50 420.50 984.87
1954 372.50 72.00 131.50 1.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 577.00
1955 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 c 0.00 0.00 0.00 0.00 176.50 295.00 471.50
1956 280.50 382.50 105.00 31.50 0.00 0.00 0.00 0.00 0.00 b 36.00 200.17 a 366.50 1402.17
1957 334.00 100.00 64.07 a 19.50 0.00 c 0.00 h 0.00 c 0.00 f 0.00 e 4.65 a 258.62 a 329.08 e 1109.91
1958 367.19 b 174.09 e 0.00 z 41.67 c 0.00 0.00 0.00 0.00 z 0.00 z 4.50 0.00 z 221.00 808.44
1959 275.50 258.00 58.00 0.00 0.50 0.00 0.00 0.00 0.00 9.50 111.00 341.50 1054.00
1960 457.00 322.50 42.50 12.00 0.00 0.00 p 0.00 0.00 0.00 4.50 156.00 421.00 1415.50
1961 308.00 178.00 101.50 10.50 0.00 0.00 a 0.00 0.00 0.00 47.00 235.50 383.00 1263.50
1962 421.50 225.50 243.50 1.50 0.00 a 0.00 0.00 0.00 0.00 0.00 69.00 315.50 1276.50
1963 541.00 107.00 165.50 82.00 0.00 0.00 0.00 f 0.00 e 0.00 0.00 138.00 359.00 1392.50
1964 484.00 409.50 292.00 47.50 8.50 0.00 0.00 0.00 0.00 0.00 194.00 345.50 1781.00
1965 328.00 243.50 171.65 d 76.07 b 2.58 a 0.00 a 0.00 0.00 0.00 0.00 69.00 370.50 1261.30
1966 477.50 355.00 96.00 8.00 1.50 w 0.00 l 0.00 e 0.00 0.00 0.00 z 0.00 z 0.00 z 936.50
1967 457.25 a 0.00 z 0.00 z 68.50 10.85 a 0.00 b 0.00 0.00 0.00 3.62 a 65.50 535.50 1141.22
1968 414.00 151.50 118.00 54.50 0.00 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 z 0.00 z 738.00
Period of Record Statistics
MEAN 388.25 229.16 128.90 31.20 1.53 0.00 0.00 0.00 0.00 8.48 149.73 363.83 1339.75
S.D. 83.04 111.66 72.99 28.10 3.40 0.00 0.00 0.00 0.00 14.53 65.32 71.57 243.40
SKEW 0.22 0.23 1.01 0.50 2.09 0.00 0.00 0.00 0.00 1.93 0.15 0.44 0.94
MAX 541.00 409.50 292.00 82.00 10.85 0.00 0.00 0.00 0.00 47.00 258.62 535.50 1781.00
MIN 275.50 72.00 42.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 65.50 221.00 1054.00
NO YRS 15 13 13 16 15 12 14 13 15 14 12 14 6