| Temperature |
|
| Mean |
45.4º |
| Normal |
48.6º |
| Departure |
-3.2º |
|
|
| Highest
mean temperature of record for May |
53.6º in 1912 |
| Lowest mean temperature
of record for May |
43.7º
in 1920 |
| |
|
| Highest
temperature this month |
58º on 28, 25 |
| Lowest
temperature this month |
30º on 6th |
| |
|
| Highest
temperature of record for May |
87º in 1963 |
| Lowest
temperature of record for May |
28º in 1971 |
| |
|
| Precipitation |
|
| Total |
22.44"
(New record) |
| Normal |
8.74" |
| Departure |
+13.70 inches |
| |
|
| Greatest
precipitation of record for May |
21.03" in 1966 |
| Least
precipitation of record for May |
2.36" in 1911 |
| |
|
| Greatest
precipitation in 24 hours this month |
4.65" on 30-31 |
| Greatest
precipitation in 24 hours of record |
5.87" in 1924 |
|
|
| Number
of days with measurable precipitation |
27 days
(tied record) |
| Greatest
# of days with measurable precipitation |
27 in 1976 |
| Least
# of days with measurable precipitation |
5 in 1911 |
| |
|
| Total
precipitation since January 2001 |
79.52" |
| Normal
precipitation since January |
56.99" |
| Departure
from normal |
+22.53" |