According to the National Weather Service Chicago had a trace of snow on May 26, 1889. This appears to be the latest date for snowfall. Last measureable snowfall was .2 which fell on May 11, 1966.
NOAA records (dating back to 1870) have the latest recorded spring snowfall in Detroit occurring on May 9, 1923.
march 29-31 l926
April 15
October 31 1993.
Late october to mid november
Easter Sunday
The record snowfall in the state of Iowa was twenty-one inches and fell in Fayette in 1959.
The record for snowfall in RI last occurred on October 10th, 1979 with 2.5 inches of snow.
April 21
May 22, 1964.
"This wouldn't be anywhere near the latest Seattle snowfall, though, according to this "Ask Steve (Pool)" page - which says April 17, 1972, holds that record. (Must have been weird weather times; that same month, a major tornado hit Vancouver, WA." Found on: http://westseattleblog.com/blog/?p=6529
April Fith is the latest release date.
More information is needed. Please post a new, separate question with the bill's date and what letter, if any, is next to the date. FWIW, the bill isn't actually from Kansas City. Depending on its series date it could have been printed in Washington or Fort Worth. The Kansas City seal indicates that the bill was part of an order requested and distributed by the Kansas City Federal Reserve District.
I don't know.. sorry..
The latest possible date of Easter is April 25.
October 31 1993.
Oklahoma has records of snowfall that date all the way back to January of 1893. The earliest snowfall ever occurring in Oklahoma after this time was on October 25, 1957.
Late october to mid november
June 21st is usually the date of the Summer Solstice in the Northern Hemisphere. This is the longest day of the year. There are approximately 12 hours of sunlight in the Northern Hemisphere, which is where Kansas City is located.
As of this date, the latest is Marshall with a Chance.