CLAY SPRINGS, ARIZONA

Monthly Total Heating Degree Days

(021760)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 198709
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
1971 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 628.00 797.50 1087.50 2513.00
1972 961.50 816.00 592.00 477.00 325.00 81.50 0.00 16.50 151.00 454.50 885.50 1021.00 5781.50
1973 1154.50 854.50 885.50 631.00 306.50 107.50 11.50 21.50 181.50 311.00 655.00 920.50 6040.50
1974 1036.50 903.00 619.50 525.00 226.50 31.50 11.50 0.00 171.50 367.00 778.50 1093.50 5764.00
1975 1056.00 884.50 795.00 702.50 408.00 95.00 0.00 0.00 z 197.50 396.36 c 805.50 1063.00 6403.36
1976 1044.50 751.00 812.00 502.00 260.50 42.00 0.00 5.00 117.50 519.50 754.00 1019.50 5827.50
1977 1078.00 844.50 850.50 532.50 444.85 a 49.50 1.50 0.00 z 73.00 322.50 623.00 808.50 5628.35
1978 974.00 870.50 668.00 487.00 420.00 76.50 0.00 0.00 a 152.50 293.50 570.50 1135.50 5648.00
1979 1157.00 893.50 802.50 485.50 373.00 146.50 3.50 0.00 z 0.00 z 294.00 776.50 979.50 5911.50
1980 983.50 779.00 772.50 580.00 0.00 z 0.00 z 0.00 7.50 113.00 467.00 737.00 824.00 5263.50
1981 885.50 769.50 788.00 423.50 263.50 24.00 j 0.50 11.00 81.00 448.50 598.00 530.50 j 4269.00
1982 308.00 u 0.00 z 741.50 497.50 344.50 79.00 15.50 1.00 104.50 543.50 745.50 1026.50 4099.00
1983 990.50 747.50 735.50 681.00 371.00 86.00 1.50 7.00 42.50 392.50 745.00 857.50 5657.50
1984 1025.58 a 883.00 682.00 599.50 163.00 78.00 0.00 1.00 124.50 571.00 776.50 0.00 z 4904.08
1985 1015.25 a 923.00 0.00 z 412.00 0.00 z 21.50 0.00 z 0.00 0.00 z 308.97 a 811.50 0.00 z 3492.22
1986 797.50 740.50 0.00 z 482.00 0.00 z 0.00 z 0.00 7.00 0.00 z 453.50 727.50 546.50 m 3208.00
1987 1168.50 868.00 830.50 439.00 0.00 z 12.00 r 9.00 17.50 113.50 0.00 z 0.00 z 0.00 z 3446.00
Period of Record Statistics
MEAN 1021.89 835.20 755.36 528.56 325.53 74.54 3.63 7.31 124.88 423.21 736.69 986.38 5786.50
S.D. 99.92 62.56 87.15 87.34 84.91 34.71 5.38 7.35 44.95 105.23 84.88 109.84 143.21
SKEW -0.45 -0.33 -0.49 0.67 -0.38 0.32 1.15 0.67 -0.09 0.36 -0.54 -0.44 0.87
MAX 1168.50 923.00 885.50 702.50 444.85 146.50 15.50 21.50 197.50 628.00 885.50 1135.50 6040.50
MIN 797.50 740.50 592.00 412.00 163.00 21.50 0.00 0.00 42.50 293.50 570.50 808.50 5648.00
NO YRS 15 15 14 16 12 12 15 13 13 16 16 12 6