Lawrenceville Station 114957

Precipitation Summary

Station: 114957 LAWRENCEVILLE, IL


1971-2000 NCDC Normals

Element Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Prec. (in) 2.73 2.68 4.18 4.24 5.19 4.27 4.45 3.66 3.12 3.20 4.20 3.42 45.34

Precipitation Extremes

Period of Record: 1962-2006

Month High (in) Year Low (in) Year 1-Day
Max (in)
Date
Jan 7.04 1999 0.22 1986 2.56 01-31-1982
Feb 5.92 1999 0.32 1963 2.80 02-10-1965
Mar 10.53 1989 0.32 2001 3.86 03-30-1989
Apr 8.29 1984 1.02 1971 3.20 04-29-1996
May 14.82 1995 1.49 1991 4.32 05-18-1995
Jun 7.64 1964 0.37 1984 3.95 06-07-1990
Jul 13.10 1979 0.44 1974 3.57 07-02-1999
Aug 8.81 1977 0.57 1963 3.07 08-29-1994
Sep 7.17 1993 0.28 1963 3.77 09-02-1982
Oct 10.48 1983 0.45 1964 3.70 10-20-1985
Nov 10.12 1985 0.20 1999 2.62 11-14-1993
Dec 11.70 1982 0.68 1976 3.00 12-25-1982
Annual 56.64 1990 26.02 1988 4.32 05-18-1995
Winter 15.86 1999 3.02 1963 3.00 12-25-1982
Spring 20.94 1989 3.31 2001 4.32 05-18-1995
Summer 20.02 2000 6.21 1991 3.95 06-07-1990
Fall 18.94 1983 3.36 1963 3.77 09-02-1982

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 10.4 5.8 1.6 0.4
Feb 8.8 5.0 1.8 0.7
Mar 11.3 7.6 2.6 1.1
Apr 11.7 8.1 2.9 1.0
May 11.1 8.4 3.4 1.5
Jun 10.1 6.7 2.9 1.2
Jul 8.6 6.1 3.1 1.6
Aug 8.1 5.4 2.6 1.2
Sep 7.3 5.2 2.3 0.8
Oct 8.1 5.2 2.0 0.8
Nov 10.0 6.8 2.5 1.3
Dec 9.9 6.0 2.5 0.8
Annual 115.4 76.5 30.3 12.5
Winter 29.0 16.8 5.9 1.9
Spring 34.1 24.2 8.9 3.6
Summer 26.8 18.3 8.6 4.0
Fall 25.4 17.2 6.8 3.0

Temperature Summary

There are insufficient temperature data to produce the temperature summary.


Snowfall Summary

Station: 114957 LAWRENCEVILLE, IL


1971-2000 Averages

Element Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Snow (in) 5.6 4.0 2.6 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.8 3.8 17.1

Snowfall Extremes

Period of Record: 1962-2006

Month High (in) Year 1-Day Max (in) Date
Jan 19.7 1977 8.9 01-17-1978
Feb 18.2 1993 9.5 02-12-1985
Mar 12.5 1996 11.0 03-20-1996
Apr 3.2 1971 2.0 04-08-1982
May 0.0
Jun 0.0
Jul 0.0
Aug 0.0
Sep 0.0
Oct 1.9 1993 1.5 10-30-1993
Nov 7.6 1975 7.2 11-27-1975
Dec 16.4 2000 12.0 12-20-1973
Season (Jul-Jun) 37.6 1977-1978 12.0 12-20-1973

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 3.1 1.2 0.6 0.2
Feb 3.1 1.2 0.6 0.2
Mar 1.7 0.8 0.3 0.1
Apr 0.1 0.1 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 0.1 0.0 0.0 0.0
Nov 0.7 0.2 0.1 0.0
Dec 2.5 1.2 0.7 0.2
Annual 13.2 5.6 2.5 0.7

Growing Season Summary

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

 


Copyright 2007 Illinois State Water Survey
Last Modified: September 11, 2007