Welcome to May. The official H/L yesterday was 63/47 there was no rainfall and the sun was out 76% of the time. The leaves are now mostly out on the trees so we are a good two weeks ahead of schedule. For today the average H/L is 64/43 the record high of 88 was set in 1942 and the record low of 21 was set in 1903. The record rainfall of 2.02β was in 2003. Last year the H/L was 45/36 there was 0.22β of rain and a trace of snowfall.
April 2024 had a mean of 50.7 that is a departure of +3.1. The high for the month was 80 on the 27th and the low for the month was 28 on the 25th there was 2.67β of rainfall that is a departure of -1.32β there was just a trace of snowfall and that is a departure of -30.1β
Merry month of May
May is the fifth month of the year, and here in the Northern Hemisphere it is the last month of spring. Late May typically marks the start of the summer vacation season in the United States and Canada. At Grand Rapids we start the month off with 14 hours and 7 minutes of daylight and end the month with 15 hours and 7 minutes for a gain of one hour.
In Grand Rapids the average high starts out at 64.3 and ends the month at 74.9. The average low starts out at 43.2 and ends the month at 53.8. The all-time high for May is 95 on May 31, 1934. On May 28, 2018 the high reached 94. The record low of 21 was set on May 1st, 1903. The most snow fall on any day in May is 5.5β and that amount fell on May 10th in 1902 and that same amount of 5.5β was reported on May 9th, 1923. The record wettest May is 10.01β and that fell in May of 2001 and the driest May was in 1936 when just 0.72β fell. . There has been a total of 12 years when measurable snow fell in May The last time was on May 1st, 1994. Here are some May top 5βs
The average May mean at Grand Rapids is 59.2
Warmest mean temperature
1977 65.7
1896 65.3
1982 65.0
2018 64.8
1911 64.5
Coldest mean temperature
1997 50.3
1924 50.7
1945 50.7
1947 51.1
1917 51.7
Snowiest Mayβs of record
1902 5.5β
1923 5.5β
1954 3.0β
1940 0.8β
1935 0.4β
Wettest Mayβs of record
2001 10.01β
2000 9.59β
2004 9.29β
1981 8.29β
1911 7.18β
Driest Mayβs of record
1936 0.72β
1987 0.94β
1925 0.98β
1961 1.03β
1971 1.05β
The early morning hours of Sunday, May 31, 1998, brought one of the most memorable storm events to Michigan. A derecho -- a long-lived line of intense, fast-moving thunderstorms producing widespread destructive winds -- tore through much of the Great Lakes region.
Ended up with another 2.5" of rain last night at my place. Of course I was in the office and we didn't get as much but whatever.
Active pattern will support additional storm chances tonight and Thursday but it's more marginal for both severe potential and heavy rain.
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