MODESTO, CALIFORNIA

Monthly Total Cooling Degree Days

(045738)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1931 0.00 0.00 0.00 27.00 162.00 164.00 490.00 341.50 85.50 11.00 0.00 0.00 1281.00
1932 0.00 0.00 0.00 1.50 68.00 231.50 291.00 244.00 211.50 31.00 0.00 0.00 1078.50
1933 0.00 0.00 0.00 6.50 50.50 147.50 407.50 317.00 77.00 79.50 0.00 0.00 1085.50
1934 0.00 0.00 1.50 21.00 103.00 161.00 299.00 281.00 203.50 32.00 0.00 0.00 1102.00
1935 0.00 0.00 0.00 8.50 46.00 229.00 288.50 310.50 150.00 21.00 0.00 0.00 1053.50
1936 0.00 0.00 0.00 8.50 101.50 210.00 375.50 331.00 202.00 57.00 0.00 0.00 1285.50
1937 0.00 0.00 0.00 1.50 97.00 202.00 392.00 330.00 167.50 30.50 0.00 0.00 1220.50
1938 0.00 0.00 0.00 9.50 92.50 237.00 339.00 277.50 219.00 18.00 0.00 0.00 1192.50
1939 0.00 0.00 0.00 31.00 100.50 241.00 334.00 310.00 240.00 35.50 0.00 0.00 1292.00
1940 0.00 0.00 0.00 17.50 125.50 308.00 323.50 287.50 131.50 48.50 0.00 0.00 1242.00
1941 0.00 0.00 0.00 2.50 86.00 153.50 396.50 224.00 127.00 23.00 0.50 0.00 1013.00
1942 0.00 0.00 0.00 0.00 35.00 177.50 344.50 282.00 113.50 51.50 0.00 0.00 1004.00
1943 0.00 0.00 0.00 1.00 96.00 99.00 304.00 205.50 201.00 36.50 0.00 0.00 943.00
1944 0.00 0.00 0.00 0.00 79.50 134.00 267.00 250.50 230.50 8.50 0.00 0.00 970.00
1945 0.00 0.00 0.00 35.50 18.50 240.50 408.00 267.50 196.50 32.50 0.00 0.00 1199.00
1946 0.00 0.00 0.00 19.00 34.00 149.50 322.00 297.00 184.50 6.00 0.00 0.00 1012.00
1947 0.00 0.00 1.50 40.50 178.00 221.50 252.00 221.50 254.00 35.50 0.00 0.00 1204.50
1948 0.00 0.00 0.00 1.50 8.27 a 164.50 275.50 217.50 160.50 15.50 0.00 0.00 843.27
1949 0.00 0.00 0.00 12.50 40.50 208.00 252.00 147.00 136.00 13.00 0.00 e 0.00 d 809.00
1950 0.00 0.00 0.00 25.00 129.00 163.00 397.00 355.00 176.00 43.00 3.50 0.00 1291.50
1951 0.00 0.00 0.00 14.50 117.50 188.00 306.50 286.50 205.50 20.50 0.00 0.00 1139.00
1952 0.00 0.00 2.00 r 14.00 119.00 85.00 400.00 312.50 246.50 65.00 0.00 0.00 1242.00
1953 0.00 0.00 0.00 4.50 17.00 120.00 415.50 220.00 232.00 32.00 0.00 0.00 1041.00
1954 0.00 0.00 0.00 a 57.50 91.00 192.00 417.00 202.00 118.50 17.00 0.00 0.00 1095.00
1955 0.00 0.00 1.00 0.00 92.50 164.50 249.50 316.00 199.00 18.50 0.00 0.00 1041.00
1956 0.00 0.00 0.00 10.50 71.50 212.00 334.00 235.50 179.00 25.50 0.00 0.00 1068.00
1957 0.00 0.00 5.00 26.00 51.50 308.00 376.50 245.50 186.50 7.50 0.00 0.00 1206.50
1958 0.00 0.00 0.00 17.00 122.00 191.00 339.00 459.50 271.50 110.00 0.50 0.00 1510.50
1959 0.00 0.00 0.50 37.50 68.00 296.00 454.50 322.00 163.00 89.50 0.00 0.00 1431.00
1960 0.00 0.00 4.50 21.00 65.00 351.00 436.50 323.00 204.50 29.45 a 0.00 0.00 1434.95
1961 0.00 0.00 0.00 24.50 10.00 323.50 432.00 386.00 153.00 87.50 0.00 0.00 1416.50
1962 0.00 0.00 0.00 42.50 40.50 215.50 324.50 304.50 178.50 22.00 0.00 0.00 1128.00
1963 0.00 0.00 0.00 0.00 61.50 189.50 289.00 291.00 255.00 47.00 0.00 0.00 1133.00
1964 0.00 0.00 0.00 19.50 38.00 166.50 334.00 312.00 108.50 76.00 0.00 0.00 1054.50
1965 0.00 0.00 0.00 35.50 61.50 71.50 306.50 335.00 87.00 52.50 0.00 0.00 949.50
1966 0.00 0.00 3.00 38.00 84.00 219.50 233.50 347.50 158.50 27.00 0.00 0.00 1111.00
1967 0.00 0.00 0.00 0.00 116.00 183.00 436.50 455.50 274.00 41.00 0.00 0.00 1506.00
1968 0.00 0.00 4.50 31.50 62.50 274.66 a 357.50 236.00 183.00 12.50 0.00 0.00 1162.16
1969 0.00 0.00 2.00 7.50 123.50 147.00 390.50 391.50 275.50 13.00 0.00 0.00 1350.50
1970 0.00 0.00 0.00 0.00 153.00 225.00 414.00 307.00 197.50 41.00 0.00 0.00 1337.50
1971 0.00 0.00 a 0.00 3.50 23.50 185.00 381.50 398.00 249.00 68.00 0.00 0.00 a 1308.50
1972 0.00 0.00 9.00 15.00 133.50 254.00 364.00 350.50 141.50 34.50 0.00 0.00 1302.00
1973 0.00 0.00 0.00 23.50 178.50 322.50 362.00 311.00 161.50 27.00 1.00 0.00 1387.00
1974 0.00 0.00 0.00 6.50 91.50 270.00 365.00 343.00 267.00 83.00 0.00 0.00 1426.00
1975 0.00 0.00 0.00 0.00 135.00 210.50 313.50 274.50 253.00 32.00 0.00 0.00 1218.50
1976 0.00 0.00 2.00 6.00 116.50 226.50 366.00 216.50 211.50 64.50 0.00 0.00 1209.50
1977 0.00 0.00 0.00 25.50 23.00 315.00 392.50 363.00 215.00 74.00 0.00 0.00 1408.00
1978 0.00 0.00 3.50 7.00 158.00 242.00 416.50 386.50 183.50 120.50 0.00 0.00 1517.50
1979 0.00 0.00 0.00 2.50 188.50 315.50 407.50 318.00 345.00 96.00 0.00 0.00 1673.00
1980 0.00 0.00 0.00 15.50 59.50 141.00 376.50 300.00 200.50 114.00 0.00 0.00 1207.00
1981 0.00 0.00 a 0.00 53.00 135.00 422.50 398.00 358.00 258.50 11.50 0.00 0.00 1636.50
1982 0.00 0.00 0.00 13.50 122.00 160.00 347.00 353.50 182.50 38.00 0.00 0.00 1216.50
1983 0.00 0.00 0.00 1.50 134.00 241.00 300.50 399.00 283.50 67.50 1.50 0.00 1428.50
1984 0.00 0.00 3.00 16.50 220.50 272.50 495.50 390.00 375.50 36.00 0.00 0.00 a 1809.50
1985 0.00 0.00 0.00 58.50 80.50 381.00 457.50 307.00 145.00 53.00 0.00 0.00 1482.50
1986 0.00 0.00 9.50 24.50 155.50 269.50 364.50 0.00 z 109.50 39.00 0.00 0.00 972.00
1987 0.00 0.00 0.00 82.00 184.50 288.00 255.00 318.00 211.50 94.50 0.00 0.00 1433.50
1988 0.00 0.00 5.00 25.50 93.50 270.00 499.50 364.50 252.50 100.50 0.00 z 0.00 1611.00
1989 0.00 a 0.00 1.50 75.00 109.00 258.50 378.50 301.00 186.50 66.00 0.00 0.00 1376.00
1990 0.00 0.00 0.50 54.00 87.00 244.00 437.00 377.50 253.00 121.00 0.00 0.00 1574.00
1991 0.00 0.00 0.00 7.50 63.00 171.50 418.00 282.50 332.00 243.50 4.50 0.00 1522.50
1992 0.00 0.00 0.00 61.00 253.50 240.00 384.00 449.00 288.00 125.50 2.00 0.00 1803.00
1993 0.00 0.00 9.50 23.50 109.00 285.00 355.00 358.50 273.00 91.50 0.00 0.00 1505.00
1994 0.00 0.00 1.00 25.00 96.50 268.00 382.00 405.00 260.00 59.00 0.00 0.00 1496.50
1995 0.00 0.00 0.00 12.50 82.00 195.00 374.00 0.00 z 268.00 102.50 3.00 0.00 1037.00
1996 0.00 2.50 4.50 67.50 117.50 300.50 514.50 472.50 225.00 107.50 0.50 0.00 1812.50
1997 0.00 0.00 31.00 49.00 261.50 258.50 409.00 374.50 351.00 59.50 23.50 0.00 1817.50
1998 0.00 0.00 3.50 54.00 10.50 160.50 418.00 482.50 303.50 8.00 0.00 0.00 1440.50
1999 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 223.50 90.00 0.00 0.00 313.50
2000 0.00 0.00 0.00 15.00 135.50 329.50 303.50 356.00 218.50 41.50 0.00 0.00 1399.50
2001 0.00 0.00 5.50 21.50 300.50 342.00 376.50 384.00 251.00 77.00 0.00 0.00 1758.00
2002 0.00 0.00 0.00 19.00 118.00 304.50 429.50 330.50 276.00 38.50 0.00 0.00 1516.00
2003 0.00 0.00 0.00 0.00 139.50 302.00 553.00 378.50 303.50 105.00 0.00 0.00 1781.50
2004 0.00 0.00 15.50 54.50 114.50 275.50 410.00 376.00 255.50 61.00 0.00 0.00 1562.50
2005 0.00 0.00 0.00 0.00 114.50 198.00 530.50 449.50 173.00 30.50 0.00 0.00 1496.00
2006 0.00 0.00 0.00 22.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.00
Period of Record Statistics
MEAN 0.00 0.03 1.73 21.50 102.19 228.17 372.18 323.81 211.07 53.93 0.55 0.00 1310.90
S.D. 0.00 0.29 4.44 20.07 58.28 70.09 68.75 69.46 63.78 39.50 2.82 0.00 246.09
SKEW 0.00 8.49 4.55 1.07 0.91 0.21 0.23 0.06 0.14 1.72 7.51 0.00 0.27
MAX 0.00 2.50 31.00 82.00 300.50 422.50 553.00 482.50 375.50 243.50 23.50 0.00 1817.50
MIN 0.00 0.00 0.00 0.00 8.27 71.50 233.50 147.00 77.00 6.00 0.00 0.00 809.00
NO YRS 76 75 74 75 74 74 74 72 75 75 74 75 70