September 2013October 1st, 2013 at 11:37 am by Bill Steffen under Bill's Blog, Weather
September was officially a dry and sunny month in Grand Rapids. We had a whopping 70% of possible sunshine and 1.25″ of rain, 3.03″ below average (side note, I think the 30-year average is a little high…if we had 200 years of record, I bet the average comes down 1/4 to 1/2″. There were a few wet years (1986) that kick the average up). We had only two rounds of thunderstorms…one on the 9th and the other on the 19th/20th. Some places had a lot of rain on the 9th. West Olive, for instance, had 2.71″ of rain (most of that coming in less than 2 hours) and they had over 4″ for September. For the year, G.R. has had 33.57″ of rain and that’s 4.57″ above average to this point. The warmest temperature was 94 on the 10th and the coolest in G.R. was 38 on the 23rd, so officially, no frost in G.R. yet. Houghton Lake had a 30-degree reading on the 17th and they had 13 mornings with lows in the 30s. The average wind speed was 7.2 mph and the fastest gust was a relatively tame 33 mph on the 10th. G.R. had an average high temp. of 74.6 and an average low temp. of 52.9. The picture from either yesterday or the day before was sent to me in an email from Debra Fuerstnau. It’s the Chrishaven Pond at the Christensen Nature Center in northern Kent County (technically, Kent City). You can see the colors are changing.