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Hanford Meteorological Station
Annual First and Last Days for Temperatures (90°F & 32°F)
           MAXIMUM 90ºF OR ABOVE      MINIMUM 32ºF OR BELOW
           ---------------------      --------------------

                                                                 NUMBER OF
           FIRST IN      LAST IN      LAST IN     FIRST IN        GROWING*
 YEAR       SPRING       SUMMER       SPRING        FALL           DAYS
 1945       MAY 30       SEP 14       APR 10       OCT 18           190
 1946       APR 25       AUG 24       APR  7       OCT 11           186
 1947       MAY  6       SEP 12       APR  7       NOV  4           210
 1948       MAY 26       SEP 13       MAY  2       OCT 17           167
 1949       MAY  8       SEP 27       MAY  3       OCT  8           157
 1950       MAY 26       SEP 23       APR 27       NOV  8           194
 1951       MAY 22       SEP 19       APR 21       OCT 15           176
 1952       MAY 24       SEP 26       APR 29       NOV  1           185
 1953       JUL  2       SEP 15       APR 15       OCT 24           191
 1954       MAY 17       SEP 10       MAY  1       OCT  1           152
 1955       JUN  6       SEP 10       MAY 14       OCT 31           169
 1956       MAY 16       SEP 19       APR  6       OCT 22           198
 1957       MAY 29       SEP 15       MAR 26       OCT 22           209
 1958       MAY 18       SEP 10       MAR 19       OCT 21           215
 1959       MAY 13       SEP 13       MAY  5       OCT 30           177
 1960       MAY 10       SEP 18       APR 21       OCT 11           172
 1961       MAY 25       SEP  4       APR 19       OCT 20           183
 1962       JUN  8       SEP 26       MAY  4       NOV 12           191
 1963       MAY 20       SEP 29       APR 16       OCT 25           191
 1964       JUN 23       SEP 24       APR 19       OCT 16           179
 1965       MAY 28       SEP  1       MAY  5       OCT 16           163
 1966       MAY  3       SEP 22       APR 19       OCT 14           177
 1967       MAY 20       SEP 28       APR 28       OCT 26           180
 1968       APR 29       SEP  9       APR 22       OCT 21           181
 1969       MAY  9       SEP 12       APR 26       OCT 13           169
 1970       MAY 16       AUG 31       MAY 11       OCT  7           148
 1971       MAY 11       SEP 10       APR 22       OCT 16           176
 1972       MAY 13       SEP 16       APR 30       SEP 25           147
 1973       MAY 13       SEP 11       APR  8       OCT  4           178
 1974       JUN 10       SEP 25       MAY 16       OCT  6           142
 1975       MAY 30       SEP 15       APR 29       OCT 23           176
 1976       MAY 16       SEP 29       APR 23       OCT 19           178
 1977       APR 24       AUG 22       APR 14       OCT 27           195
 1978       JUN  2       SEP  3       APR 23       OCT  7           166
 1979       MAY 22       SEP 20       APR 19       OCT 31           194
 1980       JUL  1       SEP  6       APR 11       OCT 22           193
 1981       APR 30       SEP 18       APR 13       OCT 14           183
 1982       JUN 10       SEP  8       APR 21       OCT 18           179
 1983       MAY 23       AUG 17       APR 16       OCT 11           177
 1984       MAY 29       SEP 18       APR 13       OCT 14           183
 1985       MAY 18       AUG 29       APR 21       OCT  7           168
 1986       MAY 25       SEP  4       APR 30       NOV  9           192
 1987       APR 27       SEP 23       APR 20       OCT 16           178
 1988       MAY 11       SEP 14       APR  9       OCT 27           200
 1989       JUN  1       SEP 24       MAR 30       OCT 29           212
 1990       MAY  5       SEP 29       MAR 27       OCT 17           203
 1991       JUN 10       SEP 26       APR  8       OCT 22           196
 1992       MAY  4       SEP  3       APR  8       OCT 15           189
 1993       MAY 10       SEP 29       APR  6       OCT 20           196
 1994       MAY  7       SEP 28       MAR 26       OCT 29           216
 1995       MAY 28       SEP 17       APR 15       OCT 29           196
 1996       JUN  2       SEP 29       MAY  8       OCT 17           161
 1997       MAY 12       SEP 25       MAY  2       OCT  8           158
 1998       APR 30       SEP 17       APR 13       OCT 19           188
 1999       MAY 23       SEP 22       MAY  8       OCT 17           161
 2000       JUN  4       SEP 14       APR  7       SEP 23           168
 2001       MAY 12       SEP 24       APR 14       OCT 28           196
 2002       JUN 12       SEP 15       MAY  8       OCT 12           156
 2003       MAY 24       SEP 27       APR 25       OCT 25           182
 2004       JUN  4       AUG 31       APR  1       OCT 24           205
 2005       MAY 26       SEP  8       APR 15       OCT 30           197
 2006       MAY 15       SEP 12       APR 18       OCT 11           175
 2007       MAY  8       SEP 12       APR 20       OCT 26           188
 2008       MAY 16       SEP 18       MAY  2       OCT 12           162
 2009       MAY 17       SEP 24       APR  2       OCT  6           186
 2010       JUN 13       SEP 28       MAY  7       OCT 17           162
 2011       JUN 22       SEP 24       MAY  1       OCT 26           177
 2012       APR 23       SEP 19       APR 13       OCT 21           189
 2013       MAY  7       SEP 15       MAY  1       OCT 29           180
 2014       MAY 15       OCT  6       MAR 31       NOV 11           224
 2015       May 28       SEP 12       APR 16       NOV  4           201
 2016       May 3        SEP 16       MAR 26       NOV 17           235
 2017       May 22       SEP 12       APR 15       OCT 14           181

 Ave.       MAY 21       SEP 16       APR 19       OCT 20           183
 Normal     MAY 21       SEP 17       APR 17       OCT 19           184

*Days between the last freezing temperature in the spring and the
first freezing temperature in autumn.

 

 

 

 

 

 

Last Updated 02/10/2019 2:37 PM