September will be the 2nd driest September in Clinton weather records back to 1878. (correction to driest September)
Clinton area weather observer Jim Blaess says there was one-third of an inch rain during the month. He says September 1979 is the driest with just over one-tenth of an inch (0.13) of precipitation.
Blaess says the last significant rain was August 28th when there was eight-tenths of an inch of rain. During September there was one rain with just over one-tenth of an inch (0.11) on the 18th and 19th and then another about two-tenths of an inch (0.22) on the 20th and 21st.
The normal precipitation of September is just less than three )2.95) inches.
For the year-to-date, Blaess says there has been nearly 32 inches (31.90) of precipitation which is about three inches above normal (27.87) for the first nine months.
Blaess says the month also was warmer than normal. He says the overall temperature averaged 67 degrees. The weather observer says that is about two degrees above the normal (65.1).
Blaess says there is typically one day with 90 or above temperatures but this year there were four days.
The highest temperature was 91 recorded on the 20th – 21st and 23rd plus Blaess says there were several says with highs in the 80’s that impacted the overall temperature.
The lost reading was 43 on September 28th.
In October, Blaess says you can expect 2.4 inches of precipitation which includes one-tenth (0.10) of an inch of snow.
Blaess added that the most snow in October was in 1898 with five inches and next is four inches of snow in 1967.
Blaess says the average high on October first is 70 and average low is 47 and those drop to 57 and 38 by the end of the month.
