Precipitation Summary
Station: 114198 HOOPESTON 1 NE, IL
1971-2000 NCDC Normals
Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Prec. (in) | 1.57 | 1.62 | 2.92 | 3.49 | 4.18 | 4.05 | 4.09 | 3.78 | 2.72 | 3.04 | 2.97 | 2.47 | 36.90 |
Precipitation Extremes
Period of Record: 1887-2006
Month | High (in) | Year | Low (in) | Year | 1-Day Max (in) |
Date |
---|---|---|---|---|---|---|
Jan | 7.09 | 1950 | 0.08 | 1986 | 2.21 | 01-20-1904 |
Feb | 6.88 | 1909 | 0.10 | 1987 | 2.40 | 02-24-1888 |
Mar | 7.36 | 1904 | 0.40 | 1981 | 3.95 | 03-11-1990 |
Apr | 10.32 | 1994 | 0.94 | 1971 | 5.34 | 04-12-1994 |
May | 10.09 | 1943 | 0.22 | 1925 | 3.65 | 05-11-1933 |
Jun | 14.37 | 1902 | 0.17 | 1988 | 5.04 | 06-28-1902 |
Jul | 9.46 | 1962 | 0.83 | 1933 | 3.55 | 07-18-1939 |
Aug | 11.88 | 1977 | 0.80 | 1949 | 6.24 | 08-19-2002 |
Sep | 12.08 | 1926 | 0.00 | 1979 | 3.10 | 09-03-1993 |
Oct | 9.21 | 1941 | 0.31 | 1964 | 3.01 | 10-22-1983 |
Nov | 8.23 | 1985 | 0.08 | 1904 | 2.69 | 11-02-1936 |
Dec | 7.00 | 1967 | 0.21 | 1930 | 2.34 | 12-21-1967 |
Annual | 55.68 | 2004 | 23.92 | 1986 | 6.24 | 08-19-2002 |
Winter | 15.63 | 1950 | 1.39 | 1977 | 2.40 | 02-24-1888 |
Spring | 19.26 | 1927 | 4.50 | 2005 | 5.34 | 04-12-1994 |
Summer | 27.27 | 2004 | 3.19 | 1933 | 6.24 | 08-19-2002 |
Fall | 20.28 | 1926 | 3.32 | 1963 | 3.10 | 09-03-1993 |
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 | 8.5 | 4.2 | 0.7 | 0.1 |
Feb | 7.7 | 3.8 | 0.8 | 0.4 |
Mar | 10.1 | 6.4 | 1.9 | 0.5 |
Apr | 11.4 | 7.4 | 2.2 | 0.6 |
May | 11.2 | 7.8 | 2.9 | 0.9 |
Jun | 10.3 | 7.4 | 2.8 | 1.1 |
Jul | 9.0 | 6.5 | 3.1 | 1.2 |
Aug | 9.1 | 6.2 | 2.7 | 1.1 |
Sep | 7.6 | 4.9 | 1.7 | 0.7 |
Oct | 8.4 | 5.2 | 1.9 | 0.8 |
Nov | 9.3 | 6.3 | 2.0 | 0.7 |
Dec | 9.1 | 5.8 | 1.6 | 0.3 |
Annual | 111.7 | 72.0 | 24.5 | 8.3 |
Winter | 25.3 | 13.8 | 3.1 | 0.8 |
Spring | 32.7 | 21.7 | 7.1 | 1.9 |
Summer | 28.5 | 20.2 | 8.7 | 3.4 |
Fall | 25.3 | 16.4 | 5.6 | 2.1 |
Temperature Summary
Station 114198 HOOPESTON 1 NE, IL
1971-2000 NCDC Normals
Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
High °F | 32.1 | 37.8 | 50.1 | 62.6 | 74.0 | 82.7 | 85.3 | 83.2 | 77.5 | 65.1 | 50.0 | 36.9 | 61.4 |
Low °F | 17.5 | 22.3 | 32.2 | 41.4 | 52.2 | 61.4 | 64.8 | 62.7 | 55.2 | 44.5 | 34.2 | 23.1 | 42.6 |
Mean °F | 24.8 | 30.1 | 41.2 | 52.0 | 63.1 | 72.1 | 75.1 | 73.0 | 66.4 | 54.8 | 42.1 | 30.0 | 52.1 |
HDD | 1246 | 978 | 740 | 397 | 162 | 14 | 2 | 13 | 67 | 330 | 687 | 1086 | 5722 |
CDD | 0 | 0 | 0 | 6 | 104 | 226 | 314 | 259 | 107 | 14 | 0 | 0 | 1030 |
HDD – heating degree days (base 65F); CDD – cooling degree days (base 65F)
Temperature Extremes
Period of Record: 1887-2006
Month | High Mean °F |
Year | Low Mean °F |
Year | 1-Day Max °F |
Date | 1-Day Min °F |
Date |
---|---|---|---|---|---|---|---|---|
Jan | 53.1 | 1900 | 9.4 | 1977 | 76 | 01-06-1900 | -24 | 01-20-1985 |
Feb | 39.7 | 1998 | 15.5 | 1978 | 73 | 02-25-2000 | -25 | 02-13-1905 |
Mar | 51.5 | 1946 | 25.5 | 1960 | 93 | 03-29-1905 | -10 | 03-08-1943 |
Apr | 58.1 | 1915 | 42.6 | 1907 | 93 | 04-11-1930 | 9 | 04-07-1982 |
May | 70.0 | 1977 | 55.3 | 1907 | 101 | 05-31-1934 | 25 | 05-10-1966 |
Jun | 78.4 | 1933 | 65.4 | 1903 | 107 | 06-01-1934 | 34 | 06-04-1945 |
Jul | 83.0 | 1936 | 71.1 | 1909 | 111 | 07-14-1936 | 43 | 07-03-1907 |
Aug | 80.3 | 1947 | 66.7 | 1915 | 106 | 08-05-1918 | 36 | 08-31-1915 |
Sep | 72.7 | 1925 | 59.9 | 1918 | 103 | 09-14-1939 | 25 | 09-26-1928 |
Oct | 62.6 | 1947 | 45.8 | 1925 | 94 | 10-08-1939 | 9 | 10-30-1925 |
Nov | 50.3 | 1931 | 33.8 | 1976 | 81 | 11-01-1950 | -10 | 11-25-1950 |
Dec | 39.8 | 1923 | 17.1 | 1989 | 76 | 12-31-1899 | -22 | 12-28-1924 |
Annual | 55.9 | 1998 | 49.0 | 1924 | 111 | 07-14-1936 | -25 | 02-13-1905 |
Winter | 37.1 | 1932 | 18.9 | 1978 | 76 | 12-31-1999 | -25 | 02-13-1905 |
Spring | 57.6 | 1977 | 46.2 | 1888 | 101 | 05-31-1934 | -10 | 03-08-1943 |
Summer | 78.2 | 1936 | 69.0 | 1915 | 111 | 07-14-1936 | 34 | 06-04-1945 |
Fall | 60.2 | 1931 | 48.7 | 1976 | 103 | 09-14-1939 | -10 | 11-25-1950 |
Temperature Threshold Climatology
Derived from 1971-2000 Averages:
*Annual/seasonal values may differ from the sum of the monthly values due to rounding.
Month | # Days High ≥ 90°F |
# Days High ≤ 32°F |
# Days Low ≤ 32°F |
# Days Low ≤ 0°F |
---|---|---|---|---|
Jan | 0.0 | 15.3 | 28.0 | 4.8 |
Feb | 0.0 | 9.4 | 22.6 | 2.4 |
Mar | 0.0 | 2.4 | 17.7 | 0.0 |
Apr | 0.0 | 0.1 | 6.2 | 0.0 |
May | 1.2 | 0.0 | 0.5 | 0.0 |
Jun | 5.3 | 0.0 | 0.0 | 0.0 |
Jul | 7.6 | 0.0 | 0.0 | 0.0 |
Aug | 4.1 | 0.0 | 0.0 | 0.0 |
Sep | 1.8 | 0.0 | 0.1 | 0.0 |
Oct | 0.0 | 0.0 | 3.3 | 0.0 |
Nov | 0.0 | 1.3 | 14.4 | 0.0 |
Dec | 0.0 | 9.8 | 25.9 | 2.0 |
Annual | 20.0 | 38.5 | 119.0 | 9.2 |
Winter | 0.0 | 34.6 | 76.6 | 9.2 |
Spring | 1.1 | 2.5 | 24.7 | 0.0 |
Summer | 17.0 | 0.0 | 0.0 | 0.0 |
Fall | 1.8 | 1.3 | 17.8 | 0.0 |
Snowfall Summary
Station: 114198 HOOPESTON 1 NE, IL
1971-2000 Averages
Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Snow (in) | 5.7 | 4.0 | 2.2 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 1.2 | 4.8 | 18.5 |
Snowfall Extremes
Period of Record: 1887-2006
Month | High (in) | Year | 1-Day Max (in) | Date |
---|---|---|---|---|
Jan | 30.2 | 1904 | 10.0 | 01-01-1999 |
Feb | 31.9 | 1908 | 12.3 | 02-15-1908 |
Mar | 24.5 | 1906 | 12.0 | 03-19-1906 |
Apr | 12.0 | 1926 | 9.0 | 04-04-1920 |
May | 2.5 | 1929 | 2.5 | 05-02-1929 |
Jun | 0.0 | – | – | – |
Jul | 0.0 | – | – | – |
Aug | 0.0 | – | – | – |
Sep | 0.0 | – | – | – |
Oct | 3.5 | 1925 | 2.5 | 10-20-1989 |
Nov | 12.0 | 1932 | 10.0 | 11-29-1942 |
Dec | 20.2 | 2000 | 8.9 | 12-14-1907 |
Season (Jul-Jun) | 77.2 | 1903-1904 | 12.3 | 02-15-1908 |
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 | 3.9 | 1.5 | 0.7 | 0.0 |
Feb | 3.9 | 1.5 | 0.7 | 0.0 |
Mar | 1.9 | 0.8 | 0.4 | 0.0 |
Apr | 0.6 | 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 | 1.3 | 0.5 | 0.2 | 0.0 |
Dec | 4.0 | 1.8 | 0.9 | 0.1 |
Annual | 16.7 | 7.1 | 3.2 | 0.3 |
Growing Season Summary
Station: 114198 HOOPESTON 1 NE, IL
Growing Degree Day Averages
Derived from 1971-2000 Data
Base | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
40 | 13 | 33 | 147 | 365 | 709 | 961 | 1088 | 1022 | 788 | 459 | 155 | 32 | 5754 |
45 | 4 | 12 | 83 | 240 | 555 | 811 | 933 | 867 | 638 | 318 | 87 | 15 | 4550 |
50 | 1 | 3 | 44 | 142 | 405 | 661 | 778 | 712 | 490 | 198 | 42 | 6 | 3474 |
55 | 0 | 0 | 19 | 73 | 268 | 511 | 623 | 557 | 347 | 107 | 17 | 2 | 2522 |
60 | 0 | 0 | 6 | 31 | 156 | 365 | 469 | 402 | 220 | 47 | 5 | 0 | 1701 |
50** | 6 | 17 | 87 | 216 | 442 | 645 | 747 | 696 | 508 | 266 | 80 | 15 | 3716 |
**Modified Growing Degree Days: Base 50, Ceiling 86.
Growing Season Summary
Derived from 1971-2000 Averages
Date of Last Spring Occurrence | Date of First Fall Occurrence | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Temp °F | Median | Early | 90% | 10% | Late | Median | Early | 90% | 10% | Late |
32 | 4/22 | 3/27 | 4/06 | 5/09 | 5/12 | 10/16 | 9/19 | 9/27 | 11/03 | 11/03 |
30 | 4/15 | 3/27 | 4/05 | 5/05 | 5/08 | 10/20 | 9/22 | 10/05 | 11/04 | 11/20 |
28 | 4/10 | 3/23 | 3/26 | 4/29 | 5/07 | 10/26 | 10/06 | 10/13 | 11/17 | 11/20 |
24 | 4/07 | 3/14 | 3/17 | 4/13 | 4/18 | 11/07 | 10/14 | 10/22 | 11/21 | 12/11 |
20 | 3/21 | 2/22 | 3/09 | 4/10 | 4/11 | 11/21 | 10/24 | 11/06 | 12/06 | 12/21 |
16 | 3/12 | 2/08 | 2/16 | 3/27 | 4/07 | 12/05 | 11/02 | 11/11 | 12/19 | 12/23 |
Length of Growing Season (Days)
Derived from 1971-2000 Averages
Temp °F | Median | Shortest | 10% | 90% | Longest |
---|---|---|---|---|---|
32 | 177 | 139 | 150 | 198 | 203 |
30 | 185 | 150 | 162 | 212 | 224 |
28 | 197 | 174 | 177 | 221 | 241 |
24 | 215 | 193 | 196 | 248 | 255 |
20 | 243 | 214 | 218 | 263 | 284 |
16 | 267 | 222 | 237 | 287 | 301 |
Copyright 2007 Illinois State Water Survey
Last Modified: September 11, 2007