PERKINSVILLE, ARIZONA

Monthly Total Heating Degree Days

(026424)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197208
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 175.00 19.50 0.00 a 0.00 4.50 0.00 z 471.50 748.02 d 1418.52
1963 903.50 526.50 587.00 382.50 53.50 21.00 0.00 b 0.00 a 0.00 113.15 a 473.50 791.05 c 3851.70
1964 891.50 761.81 c 647.12 c 375.50 147.00 10.00 0.00 d 0.00 9.64 b 105.18 c 472.50 h 800.00 3747.75
1965 685.58 e 623.00 625.17 d 383.08 d 218.66 c 52.50 0.00 0.00 b 69.81 d 118.00 l 343.50 f 732.24 b 3390.03
1966 872.02 d 758.59 a 422.93 c 280.00 42.76 b 13.00 0.00 0.00 e 0.00 197.50 h 493.93 b 789.97 b 3673.19
1967 680.50 f 579.83 d 441.50 415.18 b 142.17 b 19.50 0.00 0.00 0.00 170.50 433.33 c 0.00 z 2202.02
1968 669.50 h 461.10 d 324.50 j 221.50 k 136.63 d 29.00 0.00 c 2.50 5.00 j 29.50 w 0.00 z 895.26 b 1524.49
1969 640.09 d 647.65 e 639.08 e 298.39 b 35.00 g 6.00 0.00 a 0.00 a 2.22 c 180.50 i 525.54 b 705.77 a 3464.74
1970 822.10 e 536.26 e 342.50 k 332.00 h 87.26 d 4.29 b 0.00 b 0.00 45.00 o 106.00 q 323.00 k 829.85 e 2279.75
1971 890.70 c 641.50 0.00 z 351.50 181.00 35.17 a 0.00 0.00 b 55.71 b 330.09 d 579.11 b 882.98 a 3947.77
1972 848.22 b 604.50 250.00 h 197.00 g 90.70 d 0.00 a 0.00 d 0.00 i 0.00 z 0.00 z 0.00 z 0.00 z 1543.43
Period of Record Statistics
MEAN 819.21 614.07 560.47 355.16 127.47 19.09 0.00 0.25 17.74 179.73 496.15 797.24 3851.70
S.D. 100.73 96.07 101.64 49.04 57.48 15.34 0.00 0.79 28.23 104.38 50.63 64.36 0.00
SKEW -0.99 0.20 -0.60 -0.52 -0.06 0.84 0.00 2.67 1.17 0.91 0.54 0.22 0.00
MAX 903.50 761.81 647.12 415.18 218.66 52.50 0.00 2.50 69.81 330.09 579.11 895.26 3851.70
MIN 640.09 461.10 422.93 280.00 42.76 0.00 0.00 0.00 0.00 105.18 433.33 705.77 3851.70
NO YRS 8 10 6 7 10 11 11 10 8 4 6 9 1