EHRENBERG, ARIZONA

Monthly Total Heating Degree Days

(022787)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197701
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
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 4.00 z 136.03 a 288.50 424.53
1942 290.00 259.26 a 93.00 1.61 b 0.00 0.00 0.00 0.00 0.00 9.00 142.00 201.50 f 794.87
1943 248.57 d 117.00 39.00 9.00 0.00 0.00 0.00 0.00 0.00 15.50 191.00 365.00 985.07
1944 442.50 371.30 a 137.78 d 18.00 0.00 0.00 0.00 0.00 0.00 0.00 243.50 343.50 1556.58
1945 395.00 181.50 210.50 52.50 0.00 0.00 0.00 0.00 1.00 0.00 250.00 517.50 1608.00
1946 430.00 341.50 191.50 10.00 0.00 0.00 0.00 0.00 0.00 24.50 211.00 260.00 1468.50
1947 411.50 102.50 0.00 z 1.50 l 0.00 c 0.00 0.00 0.00 0.00 i 4.13 a 252.60 e 419.50 1190.23
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 0.00 201.50 465.50 667.00
1949 651.50 341.00 123.00 i 16.50 0.00 0.00 0.00 0.00 0.00 f 21.24 d 10.00 381.00 1421.24
1950 438.00 110.00 47.50 1.50 3.00 0.00 0.00 0.00 z 0.00 d 0.00 36.50 228.07 c 864.57
1951 353.92 a 252.00 122.00 14.00 10.00 0.00 0.00 0.00 0.00 d 13.00 178.50 355.00 1298.42
1952 435.19 e 200.50 169.00 0.00 g 0.00 0.00 0.00 0.00 0.00 u 0.00 z 0.00 z 340.50 f 804.69
1953 334.50 300.00 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 5.00 110.50 322.00 h 750.00
1954 362.50 62.50 109.00 0.50 0.00 0.00 0.00 0.00 0.00 20.00 47.50 378.00 980.00
1955 482.50 361.00 104.00 10.00 0.00 0.00 a 0.00 0.00 z 0.00 z 0.00 z 123.50 280.50 1361.50
1956 268.50 323.50 0.00 z 0.00 z 0.00 p 0.00 0.00 0.00 0.00 24.00 198.00 319.50 1133.50
1957 379.00 87.50 42.00 15.00 0.00 0.00 0.00 0.00 0.00 1.50 198.00 305.00 1028.00
1958 323.00 129.50 162.00 41.50 0.00 0.00 0.00 0.00 0.00 5.50 150.50 229.50 1041.50
1959 292.50 261.50 23.80 c 0.00 0.00 0.00 0.00 0.00 0.00 16.50 101.00 343.00 1038.30
1960 470.50 281.50 39.27 a 9.50 0.00 0.00 0.00 0.00 0.00 1.00 139.50 335.50 f 941.27
1961 290.50 141.00 69.50 3.00 0.00 0.00 0.00 0.00 0.00 33.00 218.00 385.50 1140.50
1962 347.50 187.50 200.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 73.50 294.00 1103.50
1963 467.00 72.00 109.00 50.50 0.00 0.00 0.00 0.00 0.00 0.00 124.00 375.00 1197.50
1964 466.00 301.00 162.00 49.00 25.50 0.00 0.00 0.00 0.00 0.00 236.50 342.50 1582.50
1965 317.00 209.00 142.00 82.00 0.50 0.00 0.00 0.00 0.00 0.00 100.00 372.50 1223.00
1966 0.00 z 307.00 92.00 7.00 0.00 0.00 0.00 a 0.00 0.00 0.00 r 115.20 e 194.00 g 521.20
1967 310.60 e 134.50 61.50 74.50 2.00 0.00 0.00 0.00 0.00 0.00 56.00 436.00 1075.10
1968 362.00 90.00 39.00 10.00 0.00 0.00 0.00 0.00 0.00 0.00 91.50 495.50 1088.00
1969 240.50 260.50 181.50 3.00 3.00 0.00 0.00 0.00 0.00 6.00 93.50 290.00 1078.00
1970 367.50 132.00 105.00 51.50 0.00 0.00 0.00 0.00 0.00 18.00 103.00 391.50 1168.50
1971 365.50 180.00 103.00 24.00 0.00 0.00 0.00 0.00 a 0.00 81.50 157.00 425.22 a 1336.22
1972 423.50 161.00 20.15 a 16.00 0.00 0.00 0.00 0.00 0.00 22.50 197.50 420.50 1261.15
1973 436.50 206.37 a 184.00 21.50 0.00 0.00 0.00 0.00 0.00 0.00 178.00 313.50 1339.87
1974 380.50 232.50 89.00 7.50 1.50 0.00 0.00 0.00 0.00 7.50 100.00 421.00 1239.50
1975 378.72 a 279.50 166.50 100.50 10.50 0.00 0.00 0.00 0.00 13.50 142.00 297.50 1388.72
1976 316.50 158.00 117.00 56.50 0.00 0.00 0.00 0.00 0.00 z 6.50 94.50 365.80 a 1114.80
1977 361.00 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 0.00 z 0.00 z 361.00
Period of Record Statistics
MEAN 377.65 209.87 111.05 25.20 1.78 0.00 0.00 0.00 0.03 10.92 142.90 358.23 1227.24
S.D. 81.74 90.90 56.86 27.23 5.03 0.00 0.00 0.00 0.18 15.99 63.65 71.82 192.65
SKEW 0.90 0.11 0.06 1.22 3.72 0.00 0.00 0.00 5.20 2.84 -0.01 0.20 0.61
MAX 651.50 371.30 210.50 100.50 25.50 0.00 0.00 0.00 1.00 81.50 252.60 517.50 1608.00
MIN 240.50 62.50 20.15 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.00 228.07 980.00
NO YRS 34 34 30 30 32 34 35 33 30 32 35 31 23