PIERCE FERRY 17 SSW, ARIZONA

Monthly Total Heating Degree Days

(026538)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 198407
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
1963 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 n 0.00 a 0.00 a 0.50 84.00 455.00 c 770.00 1309.50
1964 624.50 g 762.12 d 0.00 z 304.00 0.00 z 9.83 a 0.00 0.00 3.50 57.00 609.00 715.50 2460.95
1965 702.50 604.00 579.00 351.50 170.00 6.00 f 0.00 0.00 69.50 80.00 389.00 708.50 3654.00
1966 857.50 732.50 432.00 215.00 22.00 0.00 0.00 0.00 0.00 144.00 391.20 e 753.00 3547.20
1967 758.50 564.50 363.00 436.50 147.00 17.50 0.00 0.00 0.00 d 84.50 356.50 970.50 3698.50
1968 760.00 454.00 457.00 333.50 80.50 0.00 z 0.00 0.00 29.50 122.00 543.33 c 853.10 e 3632.93
1969 665.00 680.50 629.50 237.50 59.00 1.50 0.00 0.00 0.00 275.00 514.00 715.38 e 3777.38
1970 779.50 484.00 576.50 412.50 43.00 6.00 0.00 0.00 23.00 226.09 b 429.00 770.83 e 3750.41
1971 0.00 z 0.00 z 420.71 c 282.00 162.50 7.00 0.00 0.00 44.50 329.00 565.50 850.00 2661.21
1972 845.50 533.50 266.50 226.50 52.00 0.00 0.00 0.00 7.00 261.50 637.00 887.00 3716.50
1973 909.50 628.50 685.50 426.60 e 36.74 d 6.00 0.00 0.00 13.50 155.50 456.50 707.00 4025.34
1974 882.50 670.50 402.50 343.50 56.00 11.50 0.00 0.00 4.50 148.00 524.50 854.00 3897.50
1975 801.50 661.50 599.00 471.00 151.00 0.00 0.00 0.00 0.00 198.50 539.50 711.50 4133.50
1976 755.00 529.00 582.00 354.50 33.00 3.00 0.00 0.00 22.24 a 238.50 424.50 755.00 3696.74
1977 820.50 561.00 649.00 207.00 216.00 0.00 0.00 0.00 a 10.00 70.00 423.50 0.00 z 2957.00
1978 732.50 586.00 412.50 310.00 135.00 0.00 0.00 0.00 61.50 83.00 552.50 893.50 3766.50
1979 970.50 681.50 464.00 170.50 78.02 a 34.50 0.00 0.00 0.00 119.00 569.00 681.47 b 3768.48
1980 656.00 530.50 599.00 313.50 167.00 3.00 0.00 0.00 2.50 234.00 445.00 508.00 3458.50
1981 612.50 551.50 534.50 44.50 o 58.00 3.00 0.00 0.00 0.00 251.50 367.50 609.00 2987.50
1982 773.50 580.50 527.50 277.00 111.00 1.50 0.00 0.00 42.00 k 259.50 604.50 805.00 3940.00
1983 728.00 571.50 0.00 z 69.50 u 146.00 0.00 0.00 0.00 9.00 97.50 439.50 641.00 2632.50
1984 739.50 612.00 442.00 301.00 18.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2112.50
Period of Record Statistics
MEAN 776.32 598.96 506.41 314.40 97.09 5.49 0.00 0.00 15.04 167.53 487.43 757.96 3769.71
S.D. 90.22 80.21 110.76 83.12 59.80 8.51 0.00 0.00 21.05 82.65 84.79 108.70 184.40
SKEW 0.29 0.29 -0.29 0.17 0.33 2.32 0.00 0.00 1.52 0.30 0.14 -0.19 0.38
MAX 970.50 762.12 685.50 471.00 216.00 34.50 0.00 0.00 69.50 329.00 637.00 970.50 4133.50
MIN 612.50 454.00 266.50 170.50 18.00 0.00 0.00 0.00 0.00 57.00 356.50 508.00 3458.50
NO YRS 19 20 19 19 20 19 22 21 20 21 21 20 12