Weather Watch

September 2013 began a beautiful stretch of Fall weather as warm days and dry conditions prevailed for most of the month. Color was starting to appear as daylight shortened and cooler nights occurred.

The average high temperature was 69.6 degrees and the average low was 46.3 degrees, giving us an average of 58.0 degrees, only 0.2 degrees below normal. The highest temperature, 89 degrees was recorded on the 11th and the lowest, 32 degrees, was recorded on the 17th. This was the first frost here in Riparius although there was some scattered frost in other areas before this date. The average first frost is September 26th, although for the last 11 years, the first frost has come in October. There were 254 degree days, bringing our seasonal total to 311.

The rainfall for the month was 1.64 inches, 1.97 inches below normal and the second driest on record. The driest September was in 1998 when only 1.77 inches was measure. The wettest was in 2011 when 6.92 inches fell. Our seasonal total is now 26.97 inches, 4.37 inches below normal. There was precipitation on 12 days with the greatest amount, 0.36 inches, falling on the 2nd.

The river reached its highest level, 3.04 feet, on the 5th. This was the only day when the river level was above 3.00 feet for the month. This is a good indicator of how dry the month of September was. The lowest level, 2.51 feet, was reached on the 30th.

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