CORTARO 3 SW, ARIZONA

Monthly Total Heating Degree Days

(022159)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197609
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
1945 0.00 z 0.00 z 263.00 f 122.88 d 0.00 o 0.00 t 0.00 z 0.00 0.00 10.00 234.31 a 465.00 832.19
1946 525.50 403.50 219.50 18.50 0.00 0.00 0.00 0.00 0.00 53.50 337.50 344.50 1902.50
1947 529.50 221.50 171.00 69.00 0.00 0.00 0.00 0.00 0.00 30.00 374.50 556.00 1951.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 15.50 346.00 415.50 777.00
1949 658.50 414.50 215.50 44.50 0.00 0.00 0.00 0.00 0.00 69.00 72.41 a 432.50 1906.91
1950 445.00 247.50 140.00 22.50 14.00 0.00 0.00 0.00 0.00 0.00 k 69.00 259.50 1197.50
1951 439.00 269.00 190.50 62.50 16.00 0.00 0.00 0.00 0.00 18.00 207.00 427.00 1629.00
1952 473.00 382.00 402.50 67.50 0.00 0.00 0.00 0.00 0.00 0.00 309.50 0.00 z 1634.50
1953 395.50 399.00 206.67 a 67.00 35.50 0.00 0.00 0.00 0.00 35.50 176.00 547.00 1862.17
1954 391.50 142.07 a 197.00 12.00 6.50 0.00 0.00 0.00 0.00 29.00 120.00 432.50 1330.57
1955 585.50 487.00 198.50 112.00 19.50 0.00 0.00 0.00 0.00 8.50 217.50 348.50 1977.00
1956 311.00 489.00 208.00 73.50 0.00 0.00 m 0.00 0.00 0.00 38.00 290.00 389.50 1799.00
1957 382.00 154.50 170.00 67.50 27.00 0.00 0.00 0.00 0.00 52.50 305.00 0.00 z 1158.50
1958 461.00 274.00 360.50 127.00 0.00 0.00 0.00 0.00 0.00 18.00 223.50 334.50 1798.50
1959 381.50 377.50 155.50 4.00 6.50 0.00 0.00 0.00 0.00 30.50 193.50 388.50 1537.50
1960 547.00 460.00 132.50 48.00 0.00 0.00 0.00 0.00 0.00 17.00 149.50 437.50 1791.50
1961 339.50 288.00 175.00 24.50 0.50 0.00 0.00 0.00 0.00 53.00 268.50 439.00 1588.00
1962 468.50 271.00 345.00 8.00 0.00 0.00 0.00 0.00 0.00 8.00 106.00 297.60 a 1504.10
1963 511.50 203.50 182.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 2.50 136.03 a 369.00 1404.53
1964 540.50 471.50 320.00 100.00 15.00 0.00 0.00 0.00 0.00 d 0.50 p 287.50 398.87 a 2133.37
1965 366.32 a 369.19 a 282.88 c 93.00 16.02 a 0.00 0.00 0.00 b 1.00 22.65 e 96.21 a 358.71 c 1605.97
1966 511.00 430.50 158.50 27.00 0.00 0.00 0.00 0.00 0.00 21.00 138.00 416.00 1702.00
1967 462.50 251.50 106.00 87.50 22.50 0.00 c 0.00 0.00 0.00 9.00 108.00 547.50 1594.50
1968 425.00 203.00 221.50 111.00 0.50 0.00 0.00 a 0.00 0.00 0.00 a 220.86 a 300.50 o 1181.86
1969 346.50 346.50 326.00 12.00 44.50 0.00 d 0.00 c 0.00 b 0.00 38.00 169.50 255.00 1538.00
1970 437.00 188.00 190.00 g 109.00 24.50 0.00 0.00 0.00 f 0.00 a 47.00 156.50 378.00 1340.00
1971 425.50 315.00 183.50 67.50 7.50 0.00 0.00 0.00 0.00 89.00 249.00 526.50 1863.50
1972 457.00 232.00 50.50 16.00 0.00 0.00 0.00 0.00 0.00 66.50 312.50 545.50 1680.00
1973 552.50 344.50 380.00 155.50 12.50 0.00 0.00 0.00 0.00 5.00 217.50 448.00 2115.50
1974 428.00 387.00 150.50 61.50 4.00 0.00 0.00 0.00 0.00 32.00 208.00 556.00 1827.00
1975 410.00 339.00 228.88 a 154.00 5.50 0.00 0.00 z 0.00 0.00 z 0.00 z 175.50 0.00 z 1312.88
1976 378.50 198.50 0.00 z 89.50 3.00 0.00 0.00 0.00 0.00 w 0.00 z 0.00 z 0.00 z 669.50
Period of Record Statistics
MEAN 452.84 318.66 217.07 67.81 9.69 0.00 0.00 0.00 0.03 29.24 208.87 419.03 1735.29
S.D. 79.68 102.23 86.02 43.68 11.98 0.00 0.00 0.00 0.18 22.88 84.08 87.02 195.24
SKEW 0.48 0.03 0.61 0.27 1.27 0.00 0.00 0.00 5.20 0.79 0.16 0.04 -0.07
MAX 658.50 489.00 402.50 155.50 44.50 0.00 0.00 0.00 1.00 89.00 374.50 556.00 2115.50
MIN 311.00 142.07 50.50 4.00 0.00 0.00 0.00 0.00 0.00 0.00 69.00 255.00 1330.57
NO YRS 30 30 28 30 29 28 29 31 30 28 31 27 20