Historical Climate Data

Precipitation Summary

Station: 115927 MOUNT PULASKI, IL

1971-2000 NCDC Normals

Element Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Prec. (in) 1.50 1.68 2.94 3.59 4.08 3.83 4.31 4.06 2.84 2.94 2.76 2.50 37.03

Precipitation Extremes

Period of Record: 1893-2006


Month
High (in)
Year
Low (in)
Year 		1-Day
Max (in)
Date
Jan 6.87 2005 0.03 1986 2.30 01-10-1975
Feb 5.27 1900 0.07 1947 2.80 02-28-1900
Mar 9.90 1898 0.62 2005 5.42 03-27-1898
Apr 10.84 1979 0.55 1971 3.35 04-21-1973
May 10.75 1995 0.20 1992 3.50 05-05-1991
Jun 11.68 1951 0.00 1959 7.22 06-28-1951
Jul 11.80 1981 0.56 1898 7.25 07-05-1981
Aug 9.23 1980 0.20 1992 5.08 08-13-1999
Sep 8.73 1904 0.11 1979 3.30 09-18-1904
Oct 7.50 1977 0.13 1964 4.18 10-01-1977
Nov 6.55 1942 0.02 1904 2.40 11-28-1987
Dec 9.21 1967 0.08 1989 3.00 12-19-1895
             
Annual 50.73 1977 18.06 1988 7.25 07-05-1981
Winter 13.45 1950 2.46 1994 3.00 12-19-1895
Spring 17.69 1979 3.68 2005 5.42 03-27-1898
Summer 26.96 1981 3.40 1988 7.25 07-05-1981
Fall 14.12 1977 3.34 1956 4.18 10-01-1977

Precipitation Threshold Climatology

Derived from 1971-2000 Averages:

*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding.


Month 		# Days
Total ≥ 0.01" 		# Days
Total ≥ 0.10" 		# Days
Total ≥ 0.50" 		# Days
Total ≥ 1.00"
Jan 6.8 4.4 0.7 0.2
Feb 6.9 3.8 1.1 0.3
Mar 9.3 6.7 1.8 0.5
Apr 9.9 7.2 2.4 0.8
May 9.4 7.2 2.7 1.3
Jun 8.5 6.5 2.7 1.2
Jul 7.9 5.5 2.7 1.3
Aug 7.7 6.0 2.6 1.2
Sep 6.5 4.4 2.0 0.8
Oct 7.4 5.2 2.2 0.8
Nov 7.9 5.5 2.0 0.7
Dec 8.2 4.9 1.5 0.8
         
Annual 96.3 67.4 24.4 10.0
Winter 21.9 13.1 3.4 1.3
Spring 28.6 21.1 6.9 2.6
Summer 24.1 18.0 7.9 3.8
Fall 21.8 15.1 6.2 2.3

Temperature Summary

There are insufficient temperature data to produce the temperature summary.

Snowfall Summary

Station: 115927 MOUNT PULASKI, IL

1971-2000 Averages

Element Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Snow (in) 5.2 4.1 2.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 1.1 5.2 18.0

Snowfall Extremes

Period of Record: 1893-2006

Month High (in) Year 1-Day Max (in) Date
Jan 16.0 1987 9.0 01-19-1987
Feb 19.5 1964 8.0 02-23-1986
Mar 21.5 1960 7.0 03-03-1965
Apr 8.0 1957 6.0 04-08-1957
May 0.0 - - -
Jun 0.0 - - -
Jul 0.0 - - -
Aug 0.0 - - -
Sep 0.0 - - -
Oct 0.0 - - -
Nov 10.0 1951 7.0 11-27-1975
Dec 23.5 1973 13.0 12-19-1973
Season (Jul-Jun) 44.5 1961-1962 13.0 12-19-1973

Snowfall Threshold Climatology

Derived from 1971-2000 Averages

*Annual values may differ from the sum of the monthly values due to rounding.


Month 		# Days
Total ≥ 0.1" 		# Days
Total ≥ 1.0" 		# Days
Total ≥ 2.0" 		# Days
Total ≥ 5.0"
Jan 2.2 1.5 0.8 0.3
Feb 2.2 1.5 0.8 0.3
Mar 1.1 1.0 0.5 0.1
Apr 0.2 0.0 0.0 0.0
May 0.0 0.0 0.0 0.0
Jun 0.0 0.0 0.0 0.0
Jul 0.0 0.0 0.0 0.0
Aug 0.0 0.0 0.0 0.0
Sep 0.0 0.0 0.0 0.0
Oct 0.0 0.0 0.0 0.0
Nov 0.6 0.4 0.3 0.0
Dec 2.8 1.5 0.9 0.3
Annual 8.3 5.4 3.2 0.7

Growing Season Summary

There are insufficient temperature data to produce the growing season summary.

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Copyright 2007 Illinois State Water Survey
Jim Angel, State Climatologist, jimangel@illinois.edu
Last Modified: September 11, 2007