REDLANDS, CALIFORNIA

Monthly Total Cooling Degree Days

(047306)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1898 0.00 z 0.00 z 0.00 z 97.00 32.50 218.00 391.00 499.00 359.50 152.50 21.50 0.00 1771.00
1899 3.00 5.50 6.50 57.50 16.50 195.50 390.50 263.00 418.00 79.50 2.50 1.00 1439.00
1900 0.00 3.00 32.00 2.00 119.00 219.50 372.50 202.50 103.00 62.00 50.00 0.00 1165.50
1901 0.00 11.50 16.50 2.00 26.50 159.00 416.50 441.50 128.00 129.00 9.50 3.00 1343.00
1902 0.00 0.00 0.00 8.00 47.00 227.00 318.00 294.00 288.00 44.50 0.00 0.00 1226.50
1903 1.00 0.00 0.00 2.50 35.50 178.00 318.00 417.00 260.00 153.50 13.50 0.00 1379.00
1904 0.00 5.00 8.00 38.50 71.50 248.00 311.50 418.00 332.00 40.00 n 18.46 d 0.00 z 1450.96
1905 0.00 z 0.00 4.13 a 6.50 22.00 103.00 320.50 384.50 253.00 110.00 2.07 a 0.00 1205.70
1906 0.00 a 0.00 0.00 22.50 8.00 195.50 454.50 344.00 246.50 182.50 44.50 1.50 1499.50
1907 0.00 6.00 4.00 10.00 16.57 b 124.50 369.86 b 256.00 155.00 76.00 1.00 0.00 1018.93
1908 0.00 3.00 20.50 74.00 20.00 138.50 405.58 a 347.00 236.00 51.50 2.00 0.00 1298.08
1909 0.00 a 0.50 0.00 15.50 27.50 170.50 309.00 432.00 221.00 81.00 8.00 0.00 1265.00
1910 0.00 0.00 18.50 82.00 121.50 138.50 384.00 356.00 274.00 140.00 0.50 0.00 1515.00
1911 0.00 0.00 4.50 0.00 21.00 114.50 383.50 347.50 191.00 65.50 0.00 5.00 1132.50
1912 0.00 0.00 0.00 0.00 55.50 152.00 267.00 238.50 180.50 32.00 9.00 0.00 934.50
1913 0.00 0.00 0.00 17.00 20.00 94.50 272.00 358.00 289.00 54.50 13.00 0.00 1118.00
1914 0.00 0.00 27.50 40.00 23.00 165.50 288.00 282.50 191.50 78.00 26.50 0.00 1122.50
1915 0.00 0.00 11.00 12.00 45.50 178.89 c 286.00 399.50 162.50 108.00 0.00 f 0.00 1203.39
1916 0.00 c 2.07 a 47.00 22.00 17.00 134.50 265.50 284.50 189.50 8.50 3.50 0.00 974.07
1917 0.00 0.00 2.00 2.00 11.50 276.00 435.50 336.50 304.50 165.33 a 20.50 8.00 1561.83
1918 0.00 0.00 9.50 14.00 28.50 317.07 a 332.50 324.50 247.00 133.30 a 6.50 0.00 1412.87
1919 0.00 0.00 0.00 10.00 39.50 249.00 378.50 359.50 229.00 25.00 5.00 0.00 1295.50
1920 0.50 0.00 0.00 1.00 82.00 118.45 a 374.00 357.00 182.00 9.50 0.00 i 0.00 c 1124.45
1921 0.00 6.50 3.50 26.50 14.93 d 152.50 384.29 b 338.50 191.90 a 93.50 19.50 0.00 1231.62
1922 0.00 0.00 0.00 a 3.00 70.50 228.50 336.00 417.50 363.00 43.50 0.00 0.00 1462.00
1923 4.00 1.50 4.50 5.50 86.00 96.00 323.50 282.00 257.00 60.28 d 1.00 k 0.53 b 1120.81
1924 0.00 f 0.00 f 0.00 8.50 76.00 229.50 274.83 e 288.96 c 267.50 34.00 23.00 0.00 1202.29
1925 0.00 0.00 6.50 23.00 40.00 230.00 417.00 319.00 152.50 33.00 0.00 0.00 1221.00
1926 0.00 0.50 5.50 46.00 94.50 217.00 356.00 383.00 165.00 118.50 39.00 0.00 1425.00
1927 0.00 0.00 5.00 43.00 109.50 179.00 434.00 357.50 164.00 132.50 18.50 3.21 b 1446.21
1928 2.00 0.00 1.00 19.50 93.50 142.50 331.00 339.50 336.50 75.00 0.00 0.00 1340.50
1929 0.00 0.00 0.00 0.00 65.50 206.50 385.00 515.50 220.50 177.00 18.50 2.50 1591.00
1930 0.00 5.50 22.50 48.50 40.00 153.50 382.00 346.50 110.00 50.50 32.00 0.00 1191.00
1931 0.00 0.00 18.00 35.00 106.00 165.00 497.50 416.50 200.50 62.50 28.50 0.00 1529.50
1932 0.00 0.00 0.50 13.97 a 27.00 148.50 267.00 282.00 197.50 43.00 15.00 0.00 994.47
1933 0.00 0.00 0.00 0.00 26.50 145.50 374.00 329.50 93.50 167.00 31.50 0.00 1167.50
1934 0.00 0.00 26.50 38.00 127.50 78.00 392.00 370.50 256.50 97.50 9.50 0.00 1396.00
1935 0.00 0.00 0.00 9.00 28.00 198.00 343.50 412.50 238.50 22.50 0.00 0.00 1252.00
1936 0.00 0.00 2.50 20.50 84.50 242.50 411.00 378.00 226.00 84.50 9.50 0.00 1459.00
1937 0.00 0.00 0.00 9.00 84.50 202.50 386.50 388.53 a 305.50 111.50 0.00 0.00 1488.03
1938 0.00 0.00 0.00 20.00 63.00 127.50 313.00 359.50 297.00 32.00 0.00 1.50 1213.50
1939 0.00 0.00 1.50 32.59 a 45.00 163.00 305.50 346.00 247.50 85.00 3.00 0.00 1229.09
1940 0.00 0.00 0.00 31.50 104.50 177.00 314.50 322.00 156.50 107.50 0.00 0.00 1213.50
1941 0.00 0.00 0.00 0.50 99.50 94.00 337.00 249.50 104.50 45.00 33.00 0.00 963.00
1942 0.00 0.00 0.00 0.50 44.00 138.50 418.50 328.50 160.50 73.50 8.00 0.00 1172.00
1943 0.00 0.00 0.00 27.50 82.00 128.00 299.00 319.50 308.00 120.50 0.00 0.00 1284.50
1944 0.00 0.00 0.00 2.00 28.00 53.50 176.00 319.00 202.00 32.50 0.00 0.00 813.00
1945 0.00 0.00 0.00 12.00 16.50 94.00 349.50 364.50 268.00 59.00 9.50 0.00 1173.00
1946 0.00 0.00 0.00 34.50 23.50 208.50 360.50 377.50 315.50 18.00 0.00 0.00 1338.00
1947 0.00 0.00 1.00 44.50 87.00 127.00 373.50 289.00 287.50 49.00 0.50 0.00 1259.00
1948 0.00 0.00 0.00 14.50 46.00 108.50 267.00 268.50 276.00 74.50 0.00 0.00 1055.00
1949 0.00 0.00 0.00 37.50 57.00 193.50 300.18 a 309.50 301.00 48.00 45.50 f 0.00 1246.68
1950 0.00 0.00 3.00 21.50 32.00 133.00 361.50 298.00 155.17 a 139.50 28.00 0.00 1171.67
1951 0.00 1.00 0.00 a 9.50 60.50 101.00 363.00 309.50 242.00 71.00 1.00 0.00 1158.50
1952 0.00 0.00 0.50 10.50 97.00 59.00 358.00 366.00 305.50 110.00 0.00 a 0.00 1306.50
1953 0.00 0.00 0.00 0.00 8.00 121.50 381.00 261.50 207.00 86.00 6.00 0.00 1071.00
1954 0.00 0.50 0.00 23.00 17.50 97.50 403.50 194.50 195.50 55.00 2.00 0.00 989.00
1955 0.00 0.00 a 4.00 2.50 43.50 134.50 281.00 459.00 317.00 60.50 16.50 0.00 1318.50
1956 0.00 0.00 1.50 15.50 50.00 206.50 348.50 286.00 402.00 35.00 32.00 0.00 1377.00
1957 0.00 13.00 7.00 15.00 30.50 310.50 454.27 e 425.00 283.00 29.00 0.00 b 0.00 1567.27
1958 0.00 a 0.00 0.00 51.50 156.00 215.00 369.00 464.50 381.50 241.50 12.00 9.50 1900.50
1959 1.50 0.00 11.50 87.50 36.50 308.00 541.50 418.50 258.50 154.00 9.00 0.00 1826.50
1960 0.00 0.00 18.00 67.00 133.00 297.50 524.50 407.00 409.50 110.00 3.00 0.00 1969.50
1961 0.00 0.00 0.00 65.00 25.50 310.50 448.00 469.00 241.00 149.50 2.50 0.00 1711.00
1962 12.50 0.00 0.00 97.50 59.00 190.34 a 351.50 475.50 330.50 103.50 22.50 0.00 1642.84
1963 0.00 22.00 0.50 5.50 41.50 128.50 386.00 397.50 387.00 116.50 12.50 0.00 1497.50
1964 0.00 0.00 8.50 31.50 67.50 160.00 446.00 404.00 226.50 231.00 4.50 0.00 1579.50
1965 1.50 0.00 2.00 82.00 64.50 67.00 350.00 464.50 155.00 216.50 9.00 0.00 1412.00
1966 0.00 0.00 15.00 57.50 90.50 248.00 399.90 a 449.50 281.00 103.00 17.50 0.00 1661.90
1967 0.00 0.00 1.50 0.00 113.00 121.00 476.50 557.00 296.50 153.50 24.50 0.00 1743.50
1968 0.00 15.50 10.50 27.50 90.00 223.50 411.00 328.50 275.00 79.00 13.00 0.00 1473.50
1969 3.00 0.00 14.00 6.00 109.50 89.00 394.00 499.50 330.00 29.00 11.00 0.00 1485.00
1970 0.00 0.00 0.00 2.50 94.50 208.50 460.50 458.00 232.50 46.00 4.00 0.00 1506.50
1971 14.50 10.00 11.00 12.00 25.00 196.50 412.50 492.00 306.00 127.50 2.50 0.00 1609.50
1972 0.00 1.50 23.50 19.50 122.50 246.50 449.50 373.03 a 201.00 44.00 0.00 0.00 1481.03
1973 0.00 z 0.00 0.00 4.50 79.50 284.50 320.50 331.50 101.38 a 79.50 3.10 a 0.00 1204.48
1974 0.00 0.00 0.00 7.50 74.40 a 259.00 394.50 354.00 334.50 81.50 9.00 0.00 1514.40
1975 0.00 0.00 0.00 0.00 65.50 122.00 382.50 0.00 z 313.45 a 76.00 11.00 0.00 970.45
1976 0.00 0.00 1.50 9.00 94.00 258.00 338.50 292.50 198.00 117.00 0.00 z 0.00 1308.50
1977 0.00 8.00 0.00 22.00 26.50 225.50 468.00 458.00 232.50 166.50 0.00 z 0.00 z 1607.00
1978 0.00 0.00 10.50 0.00 143.50 313.00 476.50 387.50 303.50 221.50 23.50 0.00 1879.50
1979 0.00 0.00 2.50 9.50 84.00 284.00 416.00 356.00 430.00 76.50 0.00 5.50 1664.00
1980 0.00 0.00 z 0.00 45.50 48.50 198.00 456.00 353.29 b 202.00 124.50 11.00 0.00 1438.79
1981 0.00 1.00 h 0.00 41.00 60.50 373.00 392.00 463.50 278.50 39.50 4.50 0.00 1652.50
1982 0.00 0.00 z 0.00 6.00 24.00 31.00 349.00 406.00 286.50 71.00 0.00 0.00 1173.50
1983 0.00 0.00 1.79 e 0.00 c 106.00 147.00 368.50 441.50 338.50 99.50 16.50 0.00 1519.29
1984 0.00 0.00 7.00 59.00 260.00 242.50 526.50 498.50 490.50 55.00 0.00 0.00 2139.00
1985 0.00 1.00 0.00 74.00 68.50 317.50 510.50 407.50 209.50 95.50 14.46 b 0.00 1698.46
1986 4.50 26.50 30.50 0.00 z 151.00 306.50 389.00 522.50 161.00 76.50 16.50 2.00 1686.50
1987 0.00 1.00 2.50 119.50 163.50 264.00 283.00 392.00 324.00 185.00 5.50 0.50 1740.50
1988 0.00 4.50 41.50 60.00 140.50 120.00 o 470.00 415.50 300.00 190.00 22.00 1.50 1645.50
1989 0.00 10.00 20.50 126.00 104.00 221.00 454.00 330.00 313.00 91.00 22.00 1.00 1692.50
1990 8.50 0.50 17.00 43.00 71.00 343.50 488.00 382.50 339.00 169.00 26.50 0.00 1888.50
1991 0.00 7.50 0.00 17.00 65.50 125.50 331.00 396.50 369.00 282.50 58.50 0.00 1653.00
1992 0.00 4.66 a 0.00 a 90.00 154.00 224.00 409.50 526.00 389.00 134.00 4.50 0.00 1935.66
1993 0.00 a 0.00 8.78 a 47.00 131.50 297.00 297.50 385.00 331.50 120.00 8.50 0.00 1626.78
1994 1.00 0.00 6.00 33.50 35.50 318.00 385.50 484.50 305.50 62.50 2.50 0.00 1634.50
1995 0.00 k 18.00 1.00 5.00 36.00 169.66 a 415.00 512.50 379.00 122.00 21.50 0.00 1679.66
1996 0.00 7.77 a 9.50 89.00 113.50 286.00 488.00 507.00 276.50 147.50 0.00 z 0.00 1924.77
1997 0.00 0.00 50.12 a 44.00 269.50 214.50 370.00 458.00 417.00 97.00 i 0.00 t 0.00 1823.12
1998 0.00 0.00 4.00 38.00 g 1.00 109.50 450.50 573.00 236.50 58.50 0.00 5.00 1438.00
1999 0.00 0.00 b 0.00 a 39.83 a 51.67 a 189.00 379.50 385.00 254.50 206.15 a 26.50 0.00 a 1532.14
2000 2.50 0.00 c 4.17 e 51.00 181.19 b 306.00 381.50 460.50 310.00 42.07 c 0.00 0.00 c 1738.93
2001 0.00 4.85 b 9.30 a 22.76 a 184.93 b 308.00 346.68 a 432.50 348.00 150.00 15.00 a 0.00 1822.02
2002 0.00 8.50 2.50 30.50 75.00 264.00 443.50 400.50 375.50 45.50 13.00 0.00 1658.50
2003 22.00 6.00 5.00 4.00 148.00 188.50 522.00 540.00 410.00 265.50 0.00 0.00 2111.00
2004 0.00 0.00 92.50 68.00 148.50 250.00 432.50 400.50 346.50 105.00 0.00 0.00 1843.50
2005 0.00 0.00 8.50 17.00 129.50 163.50 0.00 z 455.50 228.50 94.50 20.00 3.50 1120.50
2006 0.00 5.50 0.00 z 5.50 101.00 289.00 619.00 0.00 z 375.50 86.50 68.50 0.00 1550.50
2007 0.00 8.00 38.75 a 41.50 109.00 271.50 462.00 518.50 301.50 120.50 33.00 0.00 1904.25
2008 0.00 0.00 8.00 76.50 103.50 338.00 454.00 465.50 372.50 193.00 41.50 1.00 2053.50
2009 0.50 0.00 6.50 56.50 159.65 a 162.00 455.50 422.00 418.00 98.88 b 32.50 0.00 1812.03
2010 0.00 0.00 1.55 a 3.50 41.50 185.00 354.50 386.00 314.50 118.00 35.50 0.00 1440.05
2011 7.00 0.00 13.00 33.00 58.00 182.50 419.50 492.50 371.50 174.50 2.50 0.00 1754.00
2012 5.50 2.00 1.00 74.50 159.00 256.00 423.00 600.00 471.00 173.00 28.00 0.00 2193.00
2013 0.00 0.00 20.50 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 20.50
Period of Record Statistics
MEAN 0.86 2.15 7.61 29.46 74.50 194.78 384.63 387.72 272.06 100.87 12.95 0.49 1462.16
S.D. 3.00 4.66 13.14 28.82 51.20 73.98 70.64 81.60 84.93 57.62 13.92 1.52 298.37
SKEW 4.85 2.92 3.35 1.17 1.13 0.18 0.24 0.15 0.07 0.81 1.39 3.90 0.25
MAX 22.00 26.50 92.50 126.00 269.50 373.00 619.00 600.00 490.50 282.50 68.50 9.50 2193.00
MIN 0.00 0.00 0.00 0.00 1.00 31.00 176.00 194.50 93.50 8.50 0.00 0.00 813.00
NO YRS 111 111 114 113 115 114 114 113 115 113 107 113 92