| Actual Temperatures | ||||||||||||
| MAY | ||||||||||||
| Year | No.Years | Actual Max. | Actual Min. | Days Max. | Days Min. | Cum. Max. | Cum. Min. | Average Max. | Average Min. | |||
| 1984 | 1 | 14.74 | 4.10 | 27 | 25 | 398.0 | 102.5 | 14.74 | 4.10 | |||
| 1985 | 2 | 15.39 | 4.79 | 53 | 52 | 798.1 | 231.7 | 15.06 | 4.46 | |||
| 1986 | 3 | 15.51 | 6.22 | 79 | 78 | 1201.3 | 393.3 | 15.21 | 5.04 | |||
| 1987 | 4 | 15.24 | 4.12 | 104 | 102 | 1582.2 | 492.2 | 15.21 | 4.83 | |||
| 1988 | 5 | 17.27 | 5.94 | 135 | 133 | 2117.6 | 676.2 | 15.69 | 5.08 | |||
| 1989 | 6 | 20.21 | 6.36 | 162 | 160 | 2663.4 | 847.9 | 16.44 | 5.30 | |||
| 1990 | 7 | 19.65 | 4.38 | 187 | 185 | 3154.6 | 957.3 | 16.87 | 5.17 | |||
| 1991 | 8 | 15.76 | 5.12 | 213 | 208 | 3564.3 | 1075.1 | 16.73 | 5.17 | |||
| 1992 | 9 | 19.23 | 6.55 | 240 | 234 | 4083.4 | 1245.4 | 17.01 | 5.32 | |||
| 1993 | 10 | 16.63 | 6.04 | 267 | 262 | 4532.3 | 1414.5 | 16.97 | 5.40 | |||
| 1994 | 11 | 15.81 | 5.59 | 294 | 289 | 4959.1 | 1565.5 | 16.87 | 5.42 | |||
| 1995 | 12 | 18.13 | 5.40 | 325 | 320 | 5521.2 | 1733.0 | 16.97 | 5.40 | |||
| 1996 | 13 | 14.18 | 4.14 | 356 | 351 | 5960.7 | 1861.4 | 16.71 | 5.27 | |||
| 1997 | 14 | 17.46 | 6.21 | 387 | 382 | 6502.0 | 2053.8 | 16.75 | 5.33 | |||
| 1998 | 15 | 19.29 | 7.81 | 418 | 413 | 7100.1 | 2295.8 | 16.99 | 5.56 | |||
| 1999 | 16 | 17.94 | 8.45 | 449 | 444 | 7656.2 | 2557.8 | 17.05 | 5.76 | |||
| 2000 | 17 | 17.18 | 7.76 | 480 | 475 | 8188.9 | 2798.5 | 17.06 | 5.89 | |||
| 2001 | 18 | 18.08 | 6.97 | 511 | 506 | 8749.5 | 3014.7 | 17.04 | 5.87 | |||
| 2002 | 19 | 16.61 | 7.18 | 542 | 537 | 9264.3 | 3237.2 | 17.09 | 6.03 | |||
| 2003 | 20 | 17.21 | 7.10 | 573 | 568 | 9797.8 | 3457.2 | 17.10 | 6.09 | |||
| 2004 | 21 | 18.18 | 6.72 | 604 | 599 | 10361.4 | 3665.4 | 17.15 | 6.12 | |||
| 2005 | 22 | 17.26 | 6.38 | 635 | 630 | 10896.4 | 3863.2 | 17.16 | 6.13 | |||
| 2006 | 23 | 17.45 | 7.84 | 666 | 661 | 11437.2 | 4106.1 | 17.17 | 6.21 | |||
| 2007 | 24 | 17.98 | 7.56 | 697 | 692 | 11994.7 | 4340.6 | 17.21 | 6.27 | |||
| 2008 | 25 | 18.72 | 8.29 | 728 | 723 | 12574.9 | 4597.7 | 17.27 | 6.36 | |||
| 2009 | 26 | 17.94 | 7.06 | 759 | 754 | 13131.0 | 4816.5 | 17.30 | 6.39 | |||
| 2010 | 27 | 17.32 | 5.39 | 790 | 785 | 13667.8 | 4983.7 | 17.30 | 6.35 | |||
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