Ithaca Climate Summary for September 1999

Temperature

• With an average temperature of 62.7 degrees, the month of September 1999 averaged 2.9 degrees warmer than normal.
• Four of the last five months have been at least 2.9 degrees warmer than normal.
• The warmest temperature of the month was 89 degrees on the 4th.
• The coldest temperature of the month was 37 degrees on the 23rd and 26th.

Precipitation

• September precipitation totalled 6.91 inches, which was nearly double (196%) the normal.
• This September was the 5th wettest September on record and the wettest since 1977.
• It was the wettest of any month since August 1994.
• There were 4 days with more than 0.9 inches of precipitation. There had only been 2 such days in the last 14 months combined.
• The greatest one-day precipitation amount this month was 3.13 inches on the 16-17th (associated with Hurricane Floyd).
• This month ended a string of five consecutive dry months.
• The year-to-date precipitation total at the end of the month was 24.05 inches, which was 2.45 inches below normal.