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Table 2.--Freeze Dates in Spring and Fall
(Recorded in the period 1961-90 at: Newman, CA6168)
                  |
                  |               Temperature
                  |
                  |                                        
   Probability    |             |             |
                  |    24 °F    |    28 °F    |    32 °F
                  |  or lower   |  or lower   |  or lower
                  |             |             |
                  |             |             |
Last freezing     |             |             |
 temperature      |             |             |
 in spring:       |             |             |
                  |             |             |
  1 year in 10    |             |             |
   later than--   |February   3 |February  21 |    April  10
                  |             |             |
  2 year in 10    |             |             |
   later than--   | January  23 |February  11 |    March  30
                  |             |             |
  5 year in 10    |             |             |
   later than--   |December  18 | January  17 |    March   8
                  |             |             |
First freezing    |             |             |
 temperature      |             |             |
 in fall:         |             |             |
                  |             |             |
  1 yr in 10      |             |             |
   earlier than-- | December  9 | November 12 |  November  7
                  |             |             |
  2 yr in 10      |             |             |
   earlier than-- | December 16 | November 21 |  November 11
                  |             |             |
  5 yr in 10      |             |             |
   earlier than-- | January   1 | December 17 | November  21
                  |             |             |
                  |             |             |
 
(Recorded in the period 1961-90 at Mount Hamilton, CA5933)
                  |
                  |               Temperature
                  |
                  |                                        
   Probability    |             |             |
                  |    24 °F    |    28 °F    |    32 °F
                  |  or lower   |  or lower   |  or lower
                  |             |             |
                  |             |             |
Last freezing     |             |             |
 temperature      |             |             |
 in spring:       |             |             |
                  |             |             |
  1 year in 10    |             |             |
   later than--   |   April   8 |     May  13 |      May  31
                  |             |             |
  2 year in 10    |             |             |
   later than--   |   March  17 |     May   4 |      May  23
                  |             |             |
  5 year in 10    |             |             |
   later than--   | January  25 |   April  17 |      May   8
                  |             |             |
First freezing    |             |             |
 temperature      |             |             |
 in fall:         |             |             |
                  |             |             |
  1 yr in 10      |             |             |
   earlier than-- | November 22 | November  5 |   October 27
                  |             |             |
  2 yr in 10      |             |             |
   earlier than-- | December  4 | November 14 |  November  2
                  |             |             |
  5 yr in 10      |             |             |
   earlier than-- | December 31 | December  2 | November  13
                  |             |             |
                  |             |             |