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8
May 2024 Pacific Northwest Weather
Alright GFS... you completely took away any semblance of a nice weekend for us now so hopefully you are right about the rest of it. -
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May 2024 Pacific Northwest Weather
I was thinking you might have reverse SAD but then remembered you also get down when its gloomy for long periods in November and December. It seems like this April would have been to your liking... drier than normal, colder than normal, and with a decent amount of sunshine. -
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April 2024 Weather in the PNW
You will see how it plays out when it warms up next week while still being significantly drier than normal. I am sure those trees will fill out quickly regardless of rainfall. Side note... our yard is completely sun exposed with no shade. Spring of 2022 was also telling. The trees here started leafing out in early April and then just slowed to a crawl all the way through May and never did totally finish. I have never seen anything like it. I think our big leaf maples ended up around 75% of normal leaf size that summer and they never looked right. Lack of rain certainly was not the issue in April and May 2022. It was very wet. The problem was the unusual cold without the typical warm periods that happen in those months even when its colder than normal overall. -
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May 2024 Observations and Discussion
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 2.02” was in 2003. Last year the H/L was 45/36 there was 0.22” 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 2.67” of rainfall that is a departure of -1.32” there was just a trace of snowfall and that is a departure of -30.1” -
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May 2024 Observations and Discussion
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 5.5” and that amount fell on May 10th in 1902 and that same amount of 5.5” was reported on May 9th, 1923. The record wettest May is 10.01” and that fell in May of 2001 and the driest May was in 1936 when just 0.72” 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 5’s 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 May’s of record 1902 5.5” 1923 5.5” 1954 3.0” 1940 0.8” 1935 0.4” Wettest May’s of record 2001 10.01” 2000 9.59” 2004 9.29” 1981 8.29” 1911 7.18” Driest May’s of record 1936 0.72” 1987 0.94” 1925 0.98” 1961 1.03” 1971 1.05” 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.
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