SILVER BELL, ARIZONA

Monthly Total Heating Degree Days

(027915)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197404
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
1906 0.00 z 133.50 j 136.00 85.50 1.50 0.00 0.00 0.00 0.00 32.50 213.50 255.00 724.00
1907 565.50 119.50 153.50 17.50 10.00 0.00 0.00 0.00 0.00 16.50 199.00 243.50 1325.00
1908 319.00 360.00 116.00 80.50 26.00 0.00 0.00 0.00 1.50 72.50 118.00 308.00 1401.50
1909 230.50 291.00 327.00 35.50 3.50 0.00 0.00 z 0.00 0.00 0.00 110.50 452.50 1450.50
1910 367.50 259.00 54.50 0.00 z 0.00 z 0.00 a 0.00 a 0.00 0.00 2.00 133.50 203.50 1020.00
1911 243.00 0.00 z 29.00 10.00 0.50 0.00 0.00 0.00 0.00 7.00 165.50 515.08 e 970.08
1912 261.00 182.50 224.50 100.50 13.50 0.00 0.00 c 0.00 0.00 0.00 z 0.00 z 520.50 1302.50
1913 530.00 326.00 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 399.00 1255.00
1914 243.50 210.00 97.50 21.00 6.50 0.00 0.00 0.00 0.00 11.00 38.50 489.28 a 1117.28
1915 404.07 b 294.00 208.50 35.50 i 54.50 0.00 0.00 0.00 b 0.00 z 0.00 z 0.00 z 0.00 z 961.07
1916 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 1.03 a 124.50 445.00 570.53
1917 441.50 0.00 z 190.50 48.46 d 13.50 j 0.00 j 0.00 0.00 e 4.00 g 21.50 74.00 g 172.00 i 701.96
1918 235.50 r 220.00 91.00 34.00 9.50 0.00 0.00 0.00 0.00 5.00 259.50 465.00 1084.00
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 e 0.00 0.00 0.50 j 0.00 z 0.00 z 0.00 z 0.00
1920 0.00 z 165.20 a 232.50 a 61.50 0.00 0.00 0.00 0.00 0.00 67.50 113.50 374.50 1014.70
1921 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 0.00 z 0.00 z 0.00 z 0.00
1922 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 0.00 z 0.00 z 0.00 z 0.00
1923 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 0.00 z 0.00 z 0.00 z 0.00
1924 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 0.00 z 0.00 z 0.00 z 0.00
1925 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 0.00 z 0.00 z 0.00 z 0.00
1926 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 0.00 z 0.00 z 0.00 z 0.00
1927 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 0.00 z 0.00 z 0.00 z 0.00
1928 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 0.00 z 0.00 z 0.00 z 0.00
1929 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 0.00 z 0.00 z 0.00 z 0.00
1930 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 0.00 z 0.00 z 0.00 z 0.00
1931 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 0.00 z 0.00 z 0.00 z 0.00
1932 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 0.00 z 0.00 z 0.00 z 0.00
1933 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 0.00 z 0.00 z 0.00 z 0.00
1934 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 0.00 z 0.00 z 0.00 z 0.00
1935 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 0.00 z 0.00 z 0.00 z 0.00
1936 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 0.00 z 0.00 z 0.00 z 0.00
1937 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 0.00 z 0.00 z 0.00 z 0.00
1938 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 0.00 z 0.00 z 0.00 z 0.00
1939 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 0.00 z 0.00 z 0.00 z 0.00
1940 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 0.00 z 0.00 z 0.00 z 0.00
1941 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 0.00 z 0.00 z 0.00 z 0.00
1942 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 0.00 z 0.00 z 0.00 z 0.00
1943 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 0.00 z 0.00 z 0.00 z 0.00
1944 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 0.00 z 0.00 z 0.00 z 0.00
1945 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 0.00 z 0.00 z 0.00 z 0.00
1946 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 0.00 z 0.00 z 0.00 z 0.00
1947 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 0.00 z 0.00 z 0.00 z 0.00
1948 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 0.00 z 0.00 z 0.00 z 0.00
1949 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 0.00 z 0.00 z 0.00 z 0.00
1950 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 0.00 z 0.00 z 0.00 z 0.00
1951 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 0.00 z 0.00 z 0.00 z 0.00
1952 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 0.00 z 0.00 z 0.00 z 0.00
1953 0.00 z 0.00 z 113.87 e 49.62 d 14.50 f 0.00 h 0.00 g 0.00 e 0.00 h 8.61 d 95.00 h 269.00 h 172.09
1954 209.50 h 81.08 d 122.00 i 5.40 e 3.50 f 0.00 e 0.00 f 0.00 f 0.00 e 9.54 e 38.08 d 250.00 f 134.10
1955 441.00 f 283.50 f 89.50 f 46.73 d 7.00 f 0.00 e 0.00 e 0.00 d 0.00 d 0.00 e 175.20 e 127.50 h 221.93
1956 74.50 m 211.00 j 50.00 l 40.00 g 0.00 e 0.00 d 0.00 f 0.00 d 0.00 f 48.22 d 147.00 f 235.00 g 48.22
1957 362.46 e 121.33 d 82.00 i 55.20 e 16.00 f 0.00 e 0.00 f 0.00 e 0.00 e 41.91 d 243.50 f 209.50 h 580.90
1958 345.17 e 246.52 e 343.98 e 88.50 f 0.00 f 0.00 f 0.00 f 0.00 e 0.00 h 33.38 e 0.00 z 143.00 j 969.06
1959 189.00 f 216.50 f 62.00 h 1.80 e 2.50 j 0.00 d 0.00 f 0.00 g 0.00 d 54.54 d 126.50 g 234.00 k 56.34
1960 546.08 e 297.00 h 85.85 e 18.00 i 8.50 g 0.00 f 0.00 f 0.00 d 0.00 g 28.62 e 77.50 g 306.00 j 660.54
1961 248.00 f 199.50 f 150.50 g 22.00 h 2.38 e 0.00 f 0.00 i 0.00 e 0.00 g 26.00 j 209.00 g 307.50 i 2.38
1962 385.50 f 253.17 d 276.50 g 0.00 g 9.00 g 0.00 g 0.00 g 0.00 e 0.00 n 13.12 e 66.00 h 186.50 m 266.28
1963 358.50 g 157.04 e 157.50 f 85.38 d 0.00 g 0.00 f 0.00 e 0.00 d 0.00 f 5.17 d 198.60 e 287.50 f 446.19
1964 525.81 e 476.08 e 369.02 e 130.38 d 41.00 f 0.00 d 0.00 e 0.00 e 0.00 e 2.87 d 245.00 g 284.00 g 1504.17
1965 278.00 f 333.57 e 222.00 f 116.54 d 10.00 f 0.00 d 0.00 e 0.00 e 1.20 e 19.67 e 78.50 f 403.60 e 874.57
1966 412.50 f 485.13 e 172.80 d 29.42 d 1.00 f 0.00 d 0.00 g 0.00 g 0.00 g 7.75 e 76.50 f 338.02 e 1033.12
1967 315.50 f 208.78 e 94.15 d 78.50 h 5.00 g 0.00 d 0.00 f 0.00 e 0.00 i 5.50 f 69.60 e 388.00 h 372.53
1968 276.00 h 178.06 d 221.17 e 108.60 e 0.00 f 0.00 f 0.00 g 0.00 i 0.00 l 3.50 h 82.50 j 308.50 j 507.83
1969 181.50 h 248.50 h 213.00 k 7.50 h 31.00 j 3.50 i 0.00 i 0.00 k 0.00 i 27.00 h 117.00 j 213.00 k 0.00
1970 235.50 l 79.00 p 164.50 j 88.00 h 3.50 j 0.00 i 0.00 i 0.00 j 0.00 i 29.00 i 21.00 j 230.00 j 0.00
1971 257.00 k 170.50 h 114.50 h 72.50 h 4.50 k 0.50 h 0.00 j 0.00 i 0.00 i 63.50 j 147.00 j 363.50 i 0.00
1972 224.50 j 148.00 h 58.50 h 17.50 j 0.00 i 0.00 h 0.00 k 0.00 h 0.00 j 54.00 i 289.04 d 466.00 755.04
1973 369.00 f 309.62 b 381.09 b 129.00 16.50 f 0.00 b 0.00 e 0.00 h 0.00 j 8.50 h 93.00 i 0.00 z 819.70
1974 283.00 j 204.50 h 93.00 g 38.50 g 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
Period of Record Statistics
MEAN 384.65 251.31 182.12 59.64 10.66 0.00 0.00 0.00 0.17 21.25 149.77 391.90 1281.26
S.D. 120.61 107.33 105.78 40.91 15.72 0.00 0.00 0.00 0.46 21.65 74.28 101.84 147.07
SKEW 0.21 0.62 0.58 0.32 2.02 0.00 0.00 0.00 2.33 1.06 0.20 -0.50 -0.50
MAX 565.50 485.13 381.09 130.38 54.50 0.00 0.00 0.00 1.50 72.50 289.04 520.50 1401.50
MIN 230.50 81.08 29.00 1.80 0.00 0.00 0.00 0.00 0.00 0.00 38.08 203.50 1117.28
NO YRS 14 21 20 21 12 22 17 25 16 24 15 15 3