
Edouard will continue to bring gusty winds, heavy rainfall, and a flash flood threat over parts of eastern Texas. Severe thunderstorms and heavy rain are possible across portions of the eastern Great Lakes to the Mid-Atlantic overnight. Severe storms are also expected across parts of Montana. Dangerous heat persists over the central and eastern states through Friday night. Read More >
Location History
Observation Site: Islip MacArthur Airport
Offical Records: September 5, 1963 to Present
Monthly Almanacs
Daily climatological data can be analyzed to produce averages and records. This information is included in our monthly almanacs. The almanacs also contain times of sunrise and sunset and daily records of precipitation and snowfall.
Daily, Monthly, Seasonal and Annual Climate Reports
The Daily Climate Report (CLI) is produced twice a day, at around 4:30 pm and 1:30 am. The 4:30 PM report contains data from 12:00 am EST (1:00 am EDT) to 4:00 PM local time and is referred to as "preliminary" data. The 1:30 am "daily" report contains 24 hours of data starting at 12:00 am EST (1:00 am EDT) the previous day.
Monthly reports are produced after each month has completed. Seasonal reports cover a three month period: Dec-Feb for Winter, Mar-May for Spring, Jun-Aug for Summer, and Sep-Nov for Fall.