Precipitation Summary
Station: 115372 MARSEILLES LOCK, IL
1971-2000 NCDC Normals
| Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prec. (in) | 1.58 | 1.48 | 2.66 | 3.59 | 4.25 | 4.23 | 3.79 | 3.63 | 3.61 | 2.68 | 3.12 | 2.39 | 37.01 |
Precipitation Extremes
Period of Record: 1941-2006
| Month | High (in) | Year | Low (in) | Year | 1-Day Max (in) |
Date |
|---|---|---|---|---|---|---|
| Jan | 5.05 | 1965 | 0.16 | 1981 | 1.75 | 01-23-1965 |
| Feb | 4.86 | 1997 | 0.00 | 1987 | 2.50 | 02-21-1997 |
| Mar | 5.92 | 1985 | 0.20 | 1958 | 3.04 | 03-25-1954 |
| Apr | 9.82 | 1950 | 0.58 | 1946 | 3.02 | 04-25-1950 |
| May | 8.32 | 1970 | 0.19 | 1992 | 3.44 | 05-10-1990 |
| Jun | 9.53 | 1998 | 0.35 | 1988 | 3.11 | 06-26-1978 |
| Jul | 11.25 | 1958 | 0.00 | 1991 | 6.80 | 07-14-1958 |
| Aug | 8.87 | 1965 | 0.53 | 1996 | 5.23 | 08-12-1949 |
| Sep | 11.80 | 1961 | 0.12 | 1979 | 4.79 | 09-01-1977 |
| Oct | 10.94 | 1941 | 0.01 | 1964 | 3.64 | 10-03-1941 |
| Nov | 8.53 | 1985 | 0.31 | 1999 | 2.62 | 11-28-1990 |
| Dec | 7.08 | 1982 | 0.29 | 1943 | 3.93 | 12-03-1982 |
| Annual | 52.09 | 1990 | 23.48 | 1971 | 6.80 | 07-14-1958 |
| Winter | 11.57 | 1950 | 1.45 | 1977 | 3.93 | 12-03-1982 |
| Spring | 17.52 | 1991 | 3.64 | 1992 | 3.44 | 05-10-1990 |
| Summer | 24.12 | 1958 | 3.21 | 1991 | 6.80 | 07-14-1958 |
| Fall | 22.33 | 1941 | 1.66 | 1956 | 4.79 | 09-01-1977 |
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 | 9.6 | 4.3 | 0.9 | 0.1 |
| Feb | 7.5 | 3.9 | 0.7 | 0.1 |
| Mar | 10.0 | 6.2 | 1.7 | 0.5 |
| Apr | 11.0 | 7.1 | 2.3 | 0.9 |
| May | 10.6 | 7.3 | 3.0 | 1.1 |
| Jun | 9.7 | 7.0 | 3.0 | 1.3 |
| Jul | 8.8 | 5.8 | 2.6 | 1.1 |
| Aug | 8.5 | 6.1 | 2.7 | 1.0 |
| Sep | 8.3 | 5.3 | 2.1 | 1.0 |
| Oct | 8.1 | 5.2 | 2.0 | 0.6 |
| Nov | 9.9 | 5.8 | 1.9 | 0.7 |
| Dec | 10.2 | 5.1 | 1.4 | 0.5 |
| Annual | 112.3 | 69.2 | 24.2 | 8.8 |
| Winter | 27.3 | 13.4 | 3.0 | 0.7 |
| Spring | 31.7 | 20.6 | 7.0 | 2.5 |
| Summer | 27.0 | 18.9 | 8.2 | 3.3 |
| Fall | 26.3 | 16.3 | 5.9 | 2.3 |
Temperature Summary
There are insufficient temperature data to produce the temperature summary.
Snowfall Summary
Station: 115372 MARSEILLES LOCK, IL
1971-2000 Averages
| Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Snow (in) | 9.0 | 4.9 | 2.4 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 1.1 | 6.0 | 24.1 |
Snowfall Extremes
Period of Record: 1941-2006
| Month | High (in) | Year | 1-Day Max (in) | Date |
|---|---|---|---|---|
| Jan | 39.3 | 1979 | 15.0 | 01-27-1967 |
| Feb | 15.0 | 1960 | 6.0 | 02-13-1950 |
| Mar | 13.3 | 1965 | 8.0 | 03-09-1999 |
| Apr | 8.4 | 1982 | 6.9 | 04-06-1982 |
| May | 0.0 | – | – | – |
| Jun | 0.0 | – | – | – |
| Jul | 0.0 | – | – | – |
| Aug | 0.0 | – | – | – |
| Sep | 0.0 | – | – | – |
| Oct | 2.5 | 1967 | 2.5 | 10-27-1967 |
| Nov | 8.0 | 1951 | 8.0 | 11-26-1975 |
| Dec | 31.1 | 2000 | 13.0 | 12-23-1961 |
| Season (Jul-Jun) | 68.5 | 1978-1979 | 15.0 | 01-27-1967 |
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 | 3.6 | 2.0 | 1.1 | 0.0 |
| Feb | 3.6 | 2.0 | 1.1 | 0.0 |
| Mar | 1.5 | 0.9 | 0.4 | 0.1 |
| Apr | 0.3 | 0.2 | 0.1 | 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 | 0.3 | 0.2 | 0.0 |
| Dec | 3.7 | 2.4 | 1.3 | 0.1 |
| Annual | 14.9 | 8.9 | 4.9 | 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