Seasonal Weather Data at the Georgeson Botanical Garden
(recorded at the US Weather Service weather station at the entrance to the Garden)
Thaw degree-days*
Rainfall (inches)
First Autumn Killing Frost
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Seasonal Weather Data at the Georgeson Botanical Garden (recorded at the US Weather Service weather station at the entrance to the Garden) |
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| Year | Thaw degree-days* |
Rainfall (inches) |
Last Spring Frost | First Autumn Killing Frost |
Growing Season (days) | |
| 2011 | 3432 | 7.15 | May 15 | Sept 25 | 133 | |
| 2010 | 3606 | 8.35 | May 14 | Sep 21 | 129 | |
| 2009 | 3473 | 6.4 | May 17 | Sep 20 | 126 | |
| 2008 | 3186 | 8.96 | May 30 | Sep 21 | 113 | |
| 2007 | 3728 | 11.32 | May 13 | Sep 22 | 132 | |
| 2006 | 3523 | 7.86 | Jun 4 | Sep 25 | 112 | |
| 2005 | 3767 | 10.59 | May 5 | Sep 2 | 120 | |
| 2004 | 3751 | 5.6 | May 8 | Sep 4 | 119 | |
| 2003 | 3123 | 9.91 | May 24 | Sep 13 | 112 | |
| 2002 | 2980 | 9.35 | May 12 | Sep 2 | 113 | |
| 2001 | 3439 | 5.8 | May 13 | Sep 24 | 134 | |
| 2000 | 2943 | 8.55 | May 15 | Sep 16 | 124 | |
| 1999 | 3383 | 8.66 | May 29 | Sep 11 | 105 | |
| 1998 | 3278 | 9.87 | May 13 | Sep13 | 123 | |
| 1997 | 3656 | 5.83 | May 25 | Aug 19 | 85 | |
| 1996 | 2811 | 8.73 | June 5 | Aug 27 | 83 | |
| 1995 | 3677 | 10.15 | May 22 | Sep 4 | 105 | |
| 1994 | 3476 | 7.21 | May 6 | Aug 23 | 109 | |
| 1993 | 3548 | 6.67 | May1 | Sep 1 | 123 | |
| 1992 | 2568 | 8.78 | June 7 | Sep 5 | 90 | |
| 1991 | 3069 | 6.28 | May 16 | Aug 27 | 103 | |
| 1990 | 13.2 | May 23 | Sep 8 | 108 | ||
| 1989 | 6.7 | May 14 | Sep 15 | 114 | ||
| Graph of Thaw Degree-days | Graph of Rainfall | Graph of Growing Season | ||||
| *Thaw degree-days is a method of estimating the season's overall warmth. It is calculated by taking the average daily temperature, subtracting a baseline temperature (ours is 32F), then adding all the numbers from May 1 through Sept 30. The higher the number, the warmer the season. | ||||||