ILLINOIS
MONTHLY AVERAGE NUMBER OF DAYS MINIMUM TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES F
| PERIOD |
| OF RECORD | JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR
ALBION | 1948-2006 | 24 19 13 2 0 0 0 0 0 1 11 21 92
ALEDO | 1901-2010 | 29 25 21 7 0 0 0 0 0 5 18 28 134
ALTON DAM 26 | 1948-2010 | 27 22 14 2 0 0 0 0 0 1 11 23 100
ANNA 1 E | 1901-2010 | 23 19 12 2 0 0 0 0 0 2 11 20 89
ANTIOCH | 1948-2008 | 30 27 24 10 1 0 0 0 0 5 18 28 144
ATHENS 2 SW | 2000-2010 | 27 26 18 5 0 0 0 0 0 4 15 26 122
AURORA COLLEGE | 1901-2010 | 29 26 23 9 1 0 0 0 0 6 19 28 141
BARRINGTON | 1962-2010 | 30 27 23 8 1 0 0 0 0 7 18 28 143
BELLEVILLE SIU RESEARCH | 1948-2010 | 25 20 14 3 0 0 0 0 0 3 12 22 100
BENTLEY | 1948-2010 | 29 24 19 6 0 0 0 0 0 4 17 27 126
BENTON FOREST SERVICE | 1948-2009 | 24 19 13 2 0 0 0 0 0 3 11 22 94
BLOOMINGTON 5 W | 1999-2010 | 29 26 21 7 0 0 0 0 0 4 16 28 131
NORMAL | 1901-1977 | 28 24 19 7 0 0 0 0 0 4 16 26 124
BROOKPORT DAM 52 | 1948-2010 | 23 18 12 2 0 0 0 0 0 2 9 19 84
BROWNSTOWN 4 SW | 1992-2009 | 25 21 15 3 0 0 0 0 0 4 12 24 104
CAHOKIA | 1969-2010 | 26 22 14 3 0 0 0 0 0 3 12 23 103
CAIRO 3 N | 1948-2010 | 22 16 8 1 0 0 0 0 0 1 7 18 72
CARBONDALE SEWAGE PLANT | 1910-2010 | 24 20 14 3 0 0 0 0 0 4 13 22 100
CARLINVILLE | 1901-2010 | 27 23 16 5 0 0 0 0 0 4 14 24 113
CARLYLE | 1948-1964 | 26 21 14 3 0 0 0 0 0 3 15 22 105
CARLYLE RESERVOIR | 1962-2010 | 27 22 15 3 0 0 0 0 0 2 12 24 106
CARMI 3 | 1987-2010 | 23 20 14 3 0 0 0 0 0 4 12 22 97
CASEY | 1948-2010 | 28 22 16 4 0 0 0 0 0 5 14 24 114
CHAMPAIGN 9 SW (CRN) | 2002-2010 | 28 26 18 6 1 0 0 0 0 6 16 27 127
CHANNAHON DRESDEN ISLAN | 1948-2010 | 28 25 22 7 0 0 0 0 0 5 16 27 131
CHARLESTON | 1901-2010 | 26 23 16 5 0 0 0 0 0 3 14 24 111
CHENOA | 1948-2010 | 29 25 20 7 0 0 0 0 0 4 17 26 128
CHICAGO BOTANICAL GARDE | 1981-2010 | 28 25 21 8 0 0 0 0 0 4 14 27 128
CHICAGO O'HARE WSO ARPT | 1958-2010 | 28 25 21 7 1 0 0 0 0 4 16 26 129
CHICAGO UNIVERSITY | 1948-1994 | 27 23 17 4 0 0 0 0 0 1 11 24 107
CHICAGO MIDWAY AP 3 SW | 1928-2010 | 28 24 19 5 0 0 0 0 0 2 14 25 118
CHICAGO WB CITY | 1948-1965 | 26 22 17 3 0 0 0 0 0 0 10 24 102
CICERO | 1948-1959 | 28 24 20 5 0 0 0 0 0 2 15 25 118
COBDEN 2 S | 1951-1976 | 25 20 14 3 0 0 0 0 0 3 13 22 101
COMPTON 1 NW | 1991-2004 | 30 26 24 11 1 0 0 0 1 8 20 29 150
CONGERVILLE 2 NW | 1990-2010 | 28 25 21 7 1 0 0 0 0 7 17 28 134
DANVILLE | 1901-2010 | 27 23 19 6 1 0 0 0 0 5 16 25 121
DECATUR | 1901-2010 | 27 23 17 5 0 0 0 0 0 4 15 25 117
DE KALB | 1966-2010 | 30 26 23 8 1 0 0 0 0 6 18 28 140
DIXON 1 NW | 1901-2009 | 30 26 23 9 1 0 0 0 0 6 19 28 142
DIXON SPRINGS AGR CENTE | 1967-2010 | 23 17 12 2 0 0 0 0 0 3 9 19 85
DU QUOIN 2 S | 1901-2010 | 24 20 13 3 0 0 0 0 0 3 12 22 97
DWIGHT | 1990-2010 | 29 26 22 8 0 0 0 0 0 6 18 28 138
EAST ST LOUIS PARKS CO | 1948-1968 | 25 21 15 2 0 0 0 0 0 2 12 22 98
EFFINGHAM | 1901-2010 | 27 23 17 4 0 0 0 0 0 4 14 24 114
ELGIN | 1948-2010 | 29 26 24 9 1 0 0 0 0 6 19 28 142
ELIZABETH 5 S | 1984-2010 | 30 27 24 11 2 0 0 0 1 11 22 29 158
ELIZABETHTOWN 1 NW | 1948-1968 | 23 18 13 2 0 0 0 0 0 2 13 20 92
FAIRFIELD RADIO WFIW | 1901-2010 | 25 21 14 3 0 0 0 0 0 3 13 22 101
FARMER CITY | 1948-2010 | 29 24 20 6 0 0 0 0 0 6 17 26 129
FLORA | 2000-2010 | 26 24 15 3 0 0 0 0 0 3 13 25 109
FLORA 5 NW | 1901-2009 | 25 21 15 4 0 0 0 0 0 4 13 23 105
FREEPORT | 1909-1973 | 30 27 24 11 2 0 0 0 1 7 20 28 150
FREEPORT WASTE WTR PLT | 1948-2010 | 30 27 24 9 1 0 0 0 0 9 21 29 150
FULTON LOCK & DAM #13 | 1948-2010 | 30 26 23 6 0 0 0 0 0 4 17 28 134
GALESBURG | 1948-2010 | 29 25 21 6 0 0 0 0 0 4 17 27 130
GALVA | 1901-2010 | 29 26 22 8 1 0 0 0 0 5 18 28 138
GEBHARD WOODS STATE PAR | 1970-1995 | 29 25 21 8 1 0 0 0 0 7 18 27 136
GENESEO | 1948-2010 | 29 26 21 6 0 0 0 0 0 4 17 28 132
GIBSON CITY 1 E | 1948-2008 | 28 25 21 7 0 0 0 0 0 7 17 27 132
GLADSTONE DAM 18 | 1948-2010 | 29 25 21 4 0 0 0 0 0 2 15 27 123
GOLCONDA 1 SE | 1948-1980 | 24 18 14 2 0 0 0 0 0 1 15 23 98
GOLDEN | 1948-2008 | 28 25 19 5 0 0 0 0 0 4 16 26 124
GRAND CHAIN DAM 53 | 1948-2010 | 23 18 11 2 0 0 0 0 0 1 8 19 81
UNKNOWN | 2000-2010 | 24 23 13 2 0 0 0 0 0 2 10 22 96
GREENVILLE 1 E | 1901-2010 | 26 22 15 4 0 0 0 0 0 2 14 24 107
GRIGGSVILLE | 1901-2010 | 27 23 17 4 0 0 0 0 0 3 14 25 114
HARRISBURG | 1901-2010 | 23 19 12 3 0 0 0 0 0 3 12 20 92
HAVANA | 1901-1966 | 28 24 19 6 0 0 0 0 0 4 16 26 124
HAVANA 4 NNE | 1948-2010 | 29 24 19 5 0 0 0 0 0 6 17 26 127
HENNEPIN POWER PLANT | 1962-2009 | 29 26 22 8 1 0 0 0 0 7 19 28 140
HILLSBORO 2 SSW | 1901-2010 | 26 22 16 4 0 0 0 0 0 3 14 24 109
HOOPESTON | 1902-2010 | 27 24 19 7 1 0 0 0 0 4 15 26 123
ILLINOIS CITY DAM 16 | 1948-2010 | 29 27 20 4 0 0 0 0 0 4 16 28 129
IUKA 7 SW | 1997-2010 | 26 22 16 3 0 0 0 0 0 4 12 25 108
JACKSONVILLE 2 E | 1901-2010 | 28 24 19 6 0 0 0 0 0 5 16 26 124
JERSEYVILLE 2 SW | 1948-2010 | 27 23 17 5 0 0 0 0 0 5 15 25 118
JOLIET BRANDON RD DAM | 1948-2010 | 29 25 21 6 0 0 0 0 0 4 16 27 129
JOLIET | 1901-1974 | 29 25 22 7 1 0 0 0 0 3 16 26 129
KANKAKEE 3 SW | 1917-1973 | 28 25 21 8 1 0 0 0 0 4 17 26 131
KANKAKEE 4 NW | 1948-1960 | 28 26 23 9 0 0 0 0 0 4 19 27 136
KANKAKEE SEWAGE PLANT | 1948-2010 | 29 25 21 7 0 0 0 0 0 5 17 27 131
KASKASKIA R NAV LOCK | 1974-2010 | 27 22 14 3 0 0 0 0 0 3 13 24 107
KEWANEE | 1948-2010 | 29 26 22 8 0 0 0 0 0 6 19 28 138
LACON 1 N | 1950-2009 | 28 24 20 6 0 0 0 0 0 4 16 26 126
LA HARPE 1 SW | 1901-2010 | 29 25 20 7 0 0 0 0 0 5 18 27 132
LAKE VILLA 2 NE | 1985-2005 | 29 26 23 8 0 0 0 0 0 4 16 28 134
LA SALLE PERU | 1948-1963 | 29 24 21 7 0 0 0 0 0 4 17 26 128
LAWRENCEVILLE | 1967-2010 | 24 21 15 3 0 0 0 0 0 2 12 22 98
LINCOLN | 1906-2010 | 28 24 19 6 0 0 0 0 0 5 16 26 124
MAKANDA 1 NW | 1951-1976 | 23 18 13 2 0 0 0 0 0 1 10 20 88
MARENGO | 1901-2010 | 30 27 24 11 2 0 0 0 1 7 20 28 149
MARION 4 NNE | 1948-1998 | 26 21 15 4 0 0 0 0 0 5 14 23 110
MARSEILLES LOCK | 1948-2010 | 28 25 23 9 1 0 0 0 0 6 18 28 138
MARSHALL | 1948-2004 | 27 23 18 6 0 0 0 0 0 4 14 24 118
MASON CITY 1 W | 1948-2010 | 28 24 18 5 0 0 0 0 0 4 16 26 121
MATTOON | 1948-2010 | 28 23 18 5 0 0 0 0 0 3 15 25 117
MCHENRY LOCK & DAM | 1948-2010 | 29 26 23 9 1 0 0 0 0 7 18 28 142
MC LEANSBORO 2 E | 1901-2002 | 25 21 14 3 0 0 0 0 0 3 12 22 100
MINONK | 1901-2010 | 29 26 21 8 1 0 0 0 0 6 18 28 136
MOLINE WSO AP | 1948-2010 | 29 25 21 7 0 0 0 0 0 5 18 27 134
MONMOUTH | 1901-2010 | 29 25 20 7 0 0 0 0 0 4 17 27 130
MONMOUTH 4 NW | 1995-2010 | 29 25 22 7 0 0 0 0 0 6 19 28 136
MORRIS 5 N | 1948-2010 | 29 26 23 8 1 0 0 0 0 5 17 27 136
MORRISON | 1901-2010 | 30 26 23 9 1 0 0 0 0 7 20 28 144
MORRISONVILLE | 1948-2010 | 28 24 18 5 0 0 0 0 0 5 16 26 122
MORRISONVILLE 4 SE | 1901-1971 | 27 24 18 5 0 0 0 0 0 4 16 25 119
MOUNT CARMEL | 1948-2010 | 26 21 16 3 0 0 0 0 0 3 13 23 105
MOUNT CARMEL 3 N | 1902-1977 | 24 21 14 3 0 0 0 0 0 2 13 22 100
MOUNT CARROLL | 1901-2010 | 30 27 24 11 2 0 0 0 1 9 20 29 153
MT VERNON 3 NE | 1901-2010 | 25 22 15 3 0 0 0 0 0 3 13 23 105
MOWEAQUA | 1963-2010 | 28 23 18 5 0 0 0 0 0 5 16 26 120
MUNDELEIN 4 WSW | 1999-2010 | 29 27 22 8 0 0 0 0 0 5 16 28 135
NASHVILLE 4 NE | 1948-2010 | 26 21 13 2 0 0 0 0 0 2 11 22 96
NEW BOSTON DAM 17 | 1948-2010 | 28 24 20 4 0 0 0 0 0 4 14 26 120
NEW BURNSIDE | 1901-1964 | 23 20 13 4 0 0 0 0 0 4 12 21 98
NEWTON | 1995-2010 | 25 21 15 4 0 0 0 0 0 3 13 23 104
NEWTON 6 SSE | 1948-2003 | 26 22 16 4 0 0 0 0 0 4 14 24 110
NORMAL | 1977-2010 | 28 24 20 7 0 0 0 0 0 5 16 27 128
OLIVE BRANCH | 1983-1999 | 23 17 11 4 0 0 0 0 0 2 11 20 87
OLNEY | 1901-2010 | 25 21 15 4 0 0 0 0 0 4 13 22 104
OTTAWA 4 SW | 1901-2010 | 28 25 20 7 1 0 0 0 0 4 16 27 128
PALESTINE | 1901-2010 | 25 21 14 4 0 0 0 0 0 4 13 23 104
PANA | 1901-2010 | 27 23 17 4 0 0 0 0 0 3 14 24 113
PARIS WATERWORKS | 1901-2010 | 27 23 18 5 0 0 0 0 0 3 14 25 116
PARK FOREST | 1952-2010 | 29 25 22 7 1 0 0 0 0 4 16 27 131
PAW PAW 1 E | 1948-2010 | 30 27 24 10 1 0 0 0 0 7 20 29 148
PAXTON | 1987-2010 | 28 26 21 7 0 0 0 0 0 6 16 27 131
PEORIA WSO AIRPORT | 1948-2010 | 29 25 19 5 0 0 0 0 0 4 16 26 125
PERRY 6 NW | 1992-2010 | 29 24 18 6 0 0 0 0 0 6 16 26 125
PERU | 1963-2010 | 29 26 22 8 1 0 0 0 0 6 18 28 137
PIPER CITY | 1949-2010 | 29 26 22 8 1 0 0 0 0 5 17 27 135
PITTSFIELD NO 2 | 1991-2010 | 28 23 19 5 0 0 0 0 0 4 16 27 122
POLO 5 NW | 1995-2010 | 29 26 23 8 1 0 0 0 0 6 18 28 140
PONTIAC | 1903-2010 | 28 25 20 6 0 0 0 0 0 4 16 26 124
UNKNOWN | 2000-2010 | 28 26 20 6 0 0 0 0 0 3 16 27 126
PRINCETON | 1987-2010 | 28 25 20 5 0 0 0 0 0 3 16 27 125
PRINCEVILLE | 1948-2010 | 29 26 22 9 1 0 0 0 1 7 19 28 141
QUINCY | 1901-1977 | 27 23 17 4 0 0 0 0 0 2 14 24 112
QUINCY FAA AIRPORT | 1948-2010 | 28 24 18 4 0 0 0 0 0 3 15 26 118
QUINCY DAM 21 | 1948-2010 | 28 24 18 3 0 0 0 0 0 3 14 26 116
RAMSEY | 1990-2010 | 26 23 18 4 0 0 0 0 0 5 15 25 117
RANTOUL | 1948-2010 | 29 25 20 6 0 0 0 0 0 5 17 27 130
REND LAKE DAM | 1974-2010 | 28 22 13 2 0 0 0 0 0 2 10 23 99
ROBERTS 3 N | 1912-1968 | 28 25 22 7 1 0 0 0 0 4 17 26 131
UNKNOWN | 2000-2010 | 26 25 16 4 0 0 0 0 0 5 14 25 114
ROCHELLE 6 NW | 1948-1978 | 30 27 24 10 1 0 0 0 0 6 20 28 145
ROCHELLE | 1978-2010 | 30 26 24 9 1 0 0 0 1 8 20 29 149
ROCKFORD | 1905-1957 | 29 26 23 10 1 0 0 0 0 6 18 28 143
ROCKFORD WSO AP | 1951-2010 | 30 26 24 9 1 0 0 0 0 6 19 28 143
ROCK ISLAND L&D 15 | 1985-2010 | 28 25 18 4 0 0 0 0 0 2 13 26 115
ROMEOVILLE WFO | 1997-2010 | 27 24 20 5 0 0 0 0 0 3 14 27 120
ROSICLARE 5 NW | 1968-2010 | 25 20 14 4 0 0 0 0 0 4 12 22 101
RUSHVILLE | 1901-2010 | 28 24 18 5 0 0 0 0 0 4 16 26 120
SALEM | 1948-2010 | 26 22 15 3 0 0 0 0 0 3 12 23 105
SHABBONA 5 NNE (CRN) | 2003-2010 | 29 27 22 10 1 0 0 0 0 7 18 28 142
SHELBYVILLE DAM | 1987-2010 | 26 24 16 3 0 0 0 0 0 3 14 25 112
SIDELL 5 NW | 1948-2010 | 27 26 19 7 0 0 0 0 0 4 16 27 127
SMITHLAND LOCK & DAM | 1980-2010 | 24 19 12 3 0 0 0 0 0 2 10 21 90
SPARTA 3 N | 1901-2008 | 24 20 13 3 0 0 0 0 0 2 12 22 97
SPRINGFIELD WSO AP | 1948-2010 | 27 23 17 4 0 0 0 0 0 4 15 25 115
SPRINGFIELD WB CITY | 1948-1955 | 25 20 18 3 0 0 0 0 0 2 14 23 104
STOCKTON 1 N | 1948-2010 | 30 26 24 10 1 0 0 0 0 7 20 29 148
STREAMWOOD | 1994-2010 | 29 27 24 12 2 0 0 0 0 8 21 29 152
SULLIVAN 5 SSW | 1948-2010 | 28 25 18 6 0 0 0 0 0 4 14 26 120
SYCAMORE | 1901-1965 | 30 27 25 12 2 0 0 0 1 7 20 28 151
TABLE GROVE | 1948-1956 | 28 23 20 6 0 0 0 0 0 2 17 26 123
TISKILWA 2 SE | 1948-1990 | 29 25 21 8 1 0 0 0 0 6 18 27 136
TUSCOLA | 1948-2010 | 27 24 18 5 0 0 0 0 0 4 15 25 119
URBANA | 1903-2010 | 28 24 18 5 0 0 0 0 0 3 15 26 120
UTICA STARVED ROCK DAM | 1948-2005 | 29 24 21 6 0 0 0 0 0 4 16 27 127
VANDALIA | 1948-2010 | 26 22 16 4 0 0 0 0 0 4 14 25 111
VANDALIA FAA AIRPORT | 1951-1973 | 28 24 18 5 0 0 0 0 0 5 18 25 123
VIRDEN 1 N | 1948-2010 | 27 22 16 4 0 0 0 0 0 3 14 25 111
WALNUT | 1901-2010 | 29 26 22 8 1 0 0 0 0 5 17 27 135
WATERLOO | 1948-2010 | 26 20 14 2 0 0 0 0 0 2 12 23 99
WATSEKA 2 NW | 1948-2010 | 28 25 21 7 1 0 0 0 0 6 17 27 132
WAUKEGAN 2 WNW | 1923-2002 | 29 26 24 10 1 0 0 0 0 4 18 27 139
WHEATON 3 SE | 1948-2007 | 28 25 22 9 1 0 0 0 0 6 17 26 135
WHITE HALL 1 E | 1902-2010 | 27 23 17 5 0 0 0 0 0 4 15 26 118
WINCHESTER | 1997-2010 | 27 25 18 4 0 0 0 0 0 5 14 26 120
WINDSOR | 1904-2010 | 27 23 17 5 0 0 0 0 0 4 15 24 115
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