18 days as of 9/2/2010
To provide an accurate count of 90-degree days for the current year, I would need access to real-time weather data, which I do not have. Typically, 90-degree days are tracked by meteorological services and can vary significantly by location. You can check local weather reports or climate data websites for the most up-to-date information on 90-degree days in your area.
Two: the spring and autumn equinoxes.
90/365 years or about a quarter of a year.
In a normal year there are 90 days in January to March. In a leap year there are 91 days.
18 days as of 9/2/2010
To provide an accurate count of 90-degree days for the current year, I would need access to real-time weather data, which I do not have. Typically, 90-degree days are tracked by meteorological services and can vary significantly by location. You can check local weather reports or climate data websites for the most up-to-date information on 90-degree days in your area.
Two: the spring and autumn equinoxes.
5
18
One million
For 2011, according to the almanac section of Weatherunderground.com, there were 6 90 degree or better days in May, 24 in June, 27 in July, 29 (all but 2!) in August and 4 in September for a grand total of 90. There were 89 90 degree days at Peachtree-Dekalb airport.
90% of sunshine/year = 328.5 days/year
90/365 years or about a quarter of a year.
There have not been any days that were over 90 degrees during July this year. On average, there are about 17 days in July where the temperature is over 90 degrees in Philadelphia.
89 days in a normal year and 90 days in a leap year.
In a normal year there are 90 days in January to March. In a leap year there are 91 days.