National Climatic Data Center
U.S. Department of Commerce

California
Heating Degree Days
December 1895-2012

National Oceanic and Atmospheric Administration

National Climatic Data Center

Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through April 2013.

Move mouse towards an axis until highlighted. Left-click mouse to pan. Shift key + left-click to zoom.

1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
572 494 497 483 449 416 411 441 386 422 445 418 393 531 514 400 525 492 484 566 468 577 360 510 442 467 370 409 455 490 382 473 487 508 363 503 573 615 485 440 461 500 389 401 360 382 476 455 474 445 488 480 528 621 547 349 557 519 449 504 457 432 421 330 427 492 525 441 475 465 556 469 569 578 448 550 636 579 452 526 462 441 353 589 396 361 394 507 434 551 454 452 566 504 424 583 464 553 476 510 398 408 482 521 421 404 503 474 470 457 412 465 540 556 516 435 544 483

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