Average Monthly Temperatures
as compiled by the U.S. Weather Bureau
January
high 40°f 4°c
low 26°f -3°c
May
high 62°f 17°c
low 48°f 9°c
September
high 70°f 21°c
low 66°f 19°c
February
high 41°f 5°c
low 26°f -3°c
June
high 71°f 22°c
low 58°f 14°c
October
high 59°f 15°c
low 47°f 8°c
March
high 42°f 6°c
low 32°f 0°c
July
high 78°f 25°c
low 63°f 17°c
November
high 48°f 9°c
low 37°f 3°c
April
high 53°f 12°c
low 40°f 4°c
August
high 76°f 24°c
low 61°f 16°c
December
high 40°f 4°c
low 26°f -3°c
Average Monthly Water Temperatures
 as compiled by Dan Kelliher
January
32°
February
34°
March
37°
April
47°
May
58°
June
67°
July
73°
August
75°
September
68°
October
58°
November
48°
December
35°