Precipitation annual maximum series (inches)
Station ID: 11-1577
Station name: CHICAGO MIDWAY AP 3 SW
State: IL
Latitude (decimal degrees): 41.7372
Longitude (decimal degrees): 87.7775
Elevation (feet): 620

Duration: 01d
1.96	1942
3.93	1943
1.62	1944
1.95	1945
2.43	1946
2.58	1947
2.50	1948
2.58	1949
2.48	1950
2.84	1951
1.60	1952
2.42	1953
3.95	1954
2.03	1955
1.57	1956
6.16	1957
2.07	1958
4.58	1959
2.76	1960
2.55	1961
1.82	1962
2.19	1963
1.70	1964
2.61	1965
4.71	1966
2.94	1967
3.79	1968
3.04	1969
2.43	1970
2.18	1971
3.65	1972
1.65	1973
2.03	1974
3.83	1975
4.64	1976
2.92	1977
3.03	1978
2.60	1979
2.94	1980
2.77	1981
2.78	1982
2.88	1983
2.13	1984
3.18	1985
2.72	1986
3.90	1987
1.68	1988
2.08	1989
3.69	1990
2.65	1991
3.25	1992
3.11	1993
2.63	1994
3.49	1995
5.72	1996
3.25	1997
3.51	1998
1.88	1999
4.16	2000

Duration: 01h
07/12/1948	0.91
05/19/1949	0.79
06/24/1950	1.69
04/28/1951	1.50
08/09/1952	1.19
06/10/1953	1.02
10/03/1954	1.41
10/06/1955	1.13
08/12/1956	1.07
07/12/1957	2.08
06/08/1958	1.04
06/25/1959	2.06
07/02/1960	1.83
09/03/1961	1.37
07/22/1962	1.53
09/02/1963	0.91
07/18/1964	0.65
06/22/1965	0.86
07/27/1966	1.78
06/10/1967	1.55
08/16/1968	1.61
07/17/1969	1.55
06/13/1970	1.75
07/08/1971	1.16
09/28/1972	2.32
07/09/1973	1.31
07/02/1974	1.06
04/18/1975	1.80
06/13/1976	3.18
08/08/1977	1.30
07/20/1978	2.57
07/30/1979	1.55
-9/-9/-999	-9.99
04/28/1981	0.70
05/21/1982	1.70
05/13/1983	1.00
08/03/1984	1.70
10/18/1985	1.20
09/26/1986	1.50
06/20/1987	1.10
07/25/1988	0.90
09/01/1989	1.90
07/19/1990	1.20
05/25/1991	1.40
06/17/1992	1.30
06/07/1993	2.20
08/11/1994	0.80
06/27/1995	0.80
06/17/1996	1.40
08/16/1997	1.00
09/06/1998	2.30
-9/-9/-999	-9.99
09/11/2000	2.40

Duration: 02d
1.97	1942
4.11	1943
1.90	1944
2.08	1945
2.46	1946
4.48	1947
2.50	1948
2.97	1949
3.52	1950
3.13	1951
2.04	1952
2.42	1953
6.21	1954
3.58	1955
1.90	1956
6.24	1957
2.28	1958
4.58	1959
2.93	1960
4.56	1961
1.82	1962
2.65	1963
2.09	1964
2.95	1965
5.39	1966
2.95	1967
4.35	1968
3.33	1969
2.97	1970
2.30	1971
3.68	1972
2.17	1973
2.08	1974
3.84	1975
4.64	1976
4.16	1977
3.55	1978
2.85	1979
3.15	1980
2.96	1981
3.22	1982
2.88	1983
2.16	1984
3.22	1985
2.74	1986
4.49	1987
1.77	1988
2.49	1989
4.28	1990
2.71	1991
3.32	1992
5.11	1993
2.69	1994
4.27	1995
8.08	1996
4.60	1997
3.56	1998
2.42	1999
4.66	2000

Duration: 02h
07/12/1948	1.02
06/14/1949	1.18
07/16/1950	2.06
04/28/1951	1.60
08/09/1952	1.59
06/10/1953	1.86
10/03/1954	2.12
10/06/1955	1.44
08/29/1956	1.43
07/12/1957	2.48
06/13/1958	1.64
06/25/1959	3.73
07/02/1960	1.97
09/03/1961	1.64
07/22/1962	1.71
07/16/1963	1.12
07/18/1964	1.03
09/08/1965	1.00
07/27/1966	2.02
06/10/1967	2.10
08/16/1968	1.97
07/17/1969	2.52
06/12/1970	2.00
09/05/1971	1.59
09/28/1972	2.93
07/09/1973	1.35
07/02/1974	2.03
05/20/1975	2.51
06/13/1976	4.38
08/08/1977	1.89
07/20/1978	2.63
07/30/1979	2.40
-9/-9/-999	-9.99
06/13/1981	1.20
05/21/1982	1.90
05/13/1983	1.30
08/03/1984	1.70
10/18/1985	2.00
09/26/1986	2.80
08/26/1987	1.30
07/25/1988	1.50
09/01/1989	2.00
07/19/1990	2.00
05/25/1991	1.90
06/17/1992	1.50
06/07/1993	2.40
08/11/1994	1.00
06/27/1995	1.30
07/17/1996	2.60
08/16/1997	1.20
09/06/1998	2.90
-9/-9/-999	-9.99
09/11/2000	2.70

Duration: 03h
07/12/1948	1.03
06/14/1949	1.27
07/16/1950	2.41
09/26/1951	1.74
08/09/1952	1.60
06/10/1953	1.95
10/03/1954	3.12
10/06/1955	1.44
08/29/1956	1.43
07/12/1957	2.63
06/13/1958	1.97
06/25/1959	4.41
07/02/1960	2.05
09/13/1961	1.99
07/22/1962	1.81
07/16/1963	1.73
07/17/1964	1.34
07/13/1965	1.32
07/27/1966	2.39
06/10/1967	2.32
08/16/1968	2.91
07/17/1969	2.65
06/12/1970	2.35
09/05/1971	1.63
09/28/1972	3.45
07/09/1973	1.35
07/02/1974	2.03
04/18/1975	2.79
06/13/1976	4.55
08/08/1977	2.15
07/20/1978	2.64
07/30/1979	2.43
-9/-9/-999	-9.99
06/13/1981	1.70
05/21/1982	1.90
05/13/1983	1.40
08/09/1984	2.20
10/18/1985	2.70
09/26/1986	2.90
08/26/1987	1.30
07/25/1988	1.50
09/01/1989	2.00
07/19/1990	2.30
05/25/1991	2.20
09/09/1992	1.90
06/07/1993	2.60
08/10/1994	1.20
06/27/1995	1.40
07/17/1996	4.00
08/16/1997	1.20
09/06/1998	3.30
-9/-9/-999	-9.99
09/11/2000	2.70

Duration: 04d
2.29	1942
4.26	1943
2.37	1944
2.74	1945
2.46	1946
4.49	1947
2.81	1948
3.13	1949
3.85	1950
3.41	1951
2.04	1952
2.85	1953
6.75	1954
3.80	1955
3.20	1956
6.24	1957
2.60	1958
4.58	1959
3.27	1960
5.28	1961
2.19	1962
4.15	1963
2.09	1964
2.97	1965
5.39	1966
4.41	1967
4.40	1968
4.39	1969
3.14	1970
2.46	1971
3.71	1972
2.39	1973
2.91	1974
3.87	1975
4.64	1976
4.20	1977
4.27	1978
3.56	1979
3.45	1980
3.26	1981
3.98	1982
3.22	1983
3.12	1984
3.26	1985
3.48	1986
4.55	1987
2.47	1988
2.79	1989
4.47	1990
3.74	1991
3.77	1992
5.11	1993
2.86	1994
4.27	1995
8.11	1996
4.60	1997
4.33	1998
2.61	1999
4.76	2000

Duration: 06h
09/08/1948	1.12
06/14/1949	1.58
07/16/1950	2.50
08/06/1951	2.15
08/09/1952	1.60
06/10/1953	2.42
10/03/1954	3.93
08/06/1955	1.69
08/29/1956	1.43
07/12/1957	5.23
06/13/1958	2.03
06/25/1959	4.58
07/02/1960	2.05
09/13/1961	2.52
07/22/1962	1.82
07/16/1963	2.19
07/17/1964	1.56
07/13/1965	1.64
07/27/1966	3.24
06/10/1967	2.54
08/16/1968	3.73
07/17/1969	2.84
06/20/1970	2.48
07/23/1971	1.84
09/28/1972	3.65
10/12/1973	1.39
07/01/1974	2.08
04/18/1975	3.49
06/13/1976	4.62
08/31/1977	3.00
07/20/1978	2.87
07/30/1979	2.43
-9/-9/-999	-9.99
06/13/1981	2.20
12/02/1982	2.40
06/27/1983	2.40
08/09/1984	2.30
10/18/1985	3.00
09/26/1986	2.90
08/26/1987	2.00
07/25/1988	1.50
08/31/1989	2.02
07/19/1990	2.50
05/25/1991	2.60
09/09/1992	2.40
06/07/1993	2.90
08/10/1994	1.40
11/10/1995	1.60
07/17/1996	5.30
02/20/1997	2.10
09/06/1998	3.30
-9/-9/-999	-9.99
09/11/2000	2.70

Duration: 07d
2.45	1942
4.37	1943
2.51	1944
3.57	1945
3.11	1946
4.91	1947
3.38	1948
3.91	1949
4.21	1950
4.22	1951
2.66	1952
3.77	1953
7.60	1954
3.80	1955
3.36	1956
6.44	1957
4.51	1958
6.44	1959
3.34	1960
5.28	1961
2.28	1962
5.64	1963
2.22	1964
3.63	1965
5.85	1966
5.59	1967
4.45	1968
4.39	1969
3.43	1970
4.15	1971
3.87	1972
2.61	1973
3.16	1974
4.69	1975
5.66	1976
5.89	1977
4.43	1978
4.14	1979
4.66	1980
4.25	1981
4.58	1982
5.91	1983
3.73	1984
3.46	1985
4.40	1986
5.65	1987
3.36	1988
3.62	1989
4.86	1990
4.71	1991
4.14	1992
6.27	1993
4.47	1994
4.32	1995
8.34	1996
5.36	1997
4.68	1998
3.05	1999
5.07	2000

Duration: 10d
3.15	1942
4.52	1943
2.62	1944
4.59	1945
3.85	1946
5.04	1947
4.04	1948
4.32	1949
4.60	1950
4.22	1951
2.81	1952
3.77	1953
11.58	1954
4.64	1955
4.10	1956
6.55	1957
4.91	1958
6.50	1959
3.49	1960
6.40	1961
2.78	1962
6.84	1963
3.12	1964
3.63	1965
5.85	1966
7.06	1967
4.45	1968
5.94	1969
5.68	1970
4.44	1971
3.97	1972
3.04	1973
3.84	1974
6.28	1975
5.73	1976
6.43	1977
4.74	1978
5.18	1979
4.91	1980
4.55	1981
4.95	1982
5.96	1983
3.73	1984
4.53	1985
6.31	1986
5.99	1987
3.78	1988
4.06	1989
5.62	1990
5.11	1991
4.59	1992
6.94	1993
5.32	1994
4.56	1995
8.71	1996
5.83	1997
4.79	1998
3.40	1999
5.07	2000

Duration: 12h
09/08/1948	1.37
06/14/1949	1.99
07/16/1950	2.61
08/05/1951	2.38
08/09/1952	1.60
06/10/1953	2.42
10/03/1954	3.94
08/29/1955	2.11
08/29/1956	1.43
07/12/1957	6.20
06/12/1958	2.18
06/25/1959	4.58
01/11/1960	2.23
09/13/1961	2.63
07/22/1962	1.82
07/16/1963	2.19
07/17/1964	2.05
12/24/1965	1.84
07/26/1966	4.90
06/10/1967	2.94
08/16/1968	3.83
07/17/1969	2.84
06/20/1970	2.92
12/10/1971	2.15
09/28/1972	3.68
04/30/1973	1.71
07/01/1974	2.08
04/18/1975	3.80
06/13/1976	4.62
08/31/1977	3.76
07/20/1978	3.03
07/30/1979	2.43
-9/-9/-999	-9.99
06/13/1981	2.80
12/02/1982	3.00
06/27/1983	2.90
08/09/1984	2.30
10/18/1985	3.30
09/26/1986	2.90
08/26/1987	2.40
11/09/1988	1.80
08/31/1989	2.30
07/19/1990	3.90
05/25/1991	2.70
09/09/1992	3.00
06/07/1993	2.90
10/31/1994	1.90
11/10/1995	2.80
07/17/1996	6.00
02/20/1997	3.10
09/06/1998	3.30
-9/-9/-999	-9.99
09/11/2000	4.20

Duration: 20d
4.59	1942
6.62	1943
4.67	1944
6.50	1945
5.16	1946
7.55	1947
5.26	1948
6.13	1949
6.77	1950
5.61	1951
3.70	1952
4.77	1953
12.12	1954
5.88	1955
5.58	1956
8.67	1957
7.01	1958
6.75	1959
4.38	1960
10.56	1961
3.27	1962
7.45	1963
4.54	1964
5.84	1965
6.54	1966
7.85	1967
5.31	1968
6.87	1969
6.00	1970
5.17	1971
5.73	1972
4.53	1973
6.25	1974
7.31	1975
6.55	1976
7.65	1977
5.10	1978
9.00	1979
6.59	1980
5.79	1981
6.30	1982
7.22	1983
4.50	1984
7.32	1985
7.84	1986
9.91	1987
5.52	1988
5.16	1989
6.79	1990
5.81	1991
6.73	1992
10.14	1993
5.61	1994
6.60	1995
10.29	1996
6.37	1997
4.94	1998
6.42	1999
6.18	2000

Duration: 24h
09/08/1948	1.37
06/14/1949	2.73
07/16/1950	3.51
05/10/1951	2.92
08/09/1952	1.60
06/10/1953	2.42
10/09/1954	5.55
08/05/1955	3.09
04/28/1956	1.57
07/12/1957	6.24
06/08/1958	2.25
06/25/1959	4.58
01/11/1960	2.86
09/13/1961	2.63
07/22/1962	1.82
04/29/1963	2.57
07/17/1964	2.09
12/24/1965	2.79
07/26/1966	5.39
06/10/1967	2.95
08/16/1968	3.83
07/17/1969	3.29
06/20/1970	2.97
12/09/1971	2.19
09/28/1972	3.68
04/30/1973	2.01
07/01/1974	2.08
04/18/1975	3.83
06/13/1976	4.64
08/31/1977	4.16
07/20/1978	3.12
08/17/1979	2.84
-9/-9/-999	-9.99
06/13/1981	2.80
12/02/1982	3.20
06/27/1983	2.90
08/09/1984	2.30
10/18/1985	3.40
09/26/1986	2.90
08/25/1987	3.80
11/09/1988	2.00
08/31/1989	2.40
07/19/1990	4.10
05/25/1991	2.70
09/09/1992	3.00
06/07/1993	4.10
10/31/1994	2.50
11/10/1995	4.00
07/17/1996	8.60
02/20/1997	4.10
09/06/1998	3.30
-9/-9/-999	-9.99
09/11/2000	4.20

Duration: 30d
5.51	1942
8.38	1943
6.30	1944
7.55	1945
7.62	1946
8.65	1947
5.54	1948
7.24	1949
8.93	1950
7.28	1951
5.08	1952
5.44	1953
12.60	1954
6.46	1955
5.81	1956
11.82	1957
8.78	1958
9.19	1959
6.01	1960
14.26	1961
4.65	1962
8.94	1963
5.87	1964
9.15	1965
9.06	1966
8.84	1967
6.44	1968
8.29	1969
8.26	1970
6.12	1971
7.26	1972
6.05	1973
8.54	1974
7.84	1975
7.39	1976
11.43	1977
6.60	1978
10.94	1979
7.53	1980
7.49	1981
8.13	1982
9.11	1983
5.90	1984
8.96	1985
9.13	1986
9.95	1987
6.64	1988
6.09	1989
8.75	1990
9.04	1991
7.13	1992
13.17	1993
6.73	1994
8.03	1995
10.89	1996
6.87	1997
5.96	1998
7.40	1999
7.89	2000

Duration: 45d
7.54	1942
9.82	1943
7.17	1944
10.51	1945
8.14	1946
10.45	1947
6.47	1948
9.36	1949
11.82	1950
9.45	1951
6.39	1952
7.32	1953
12.85	1954
7.70	1955
7.09	1956
13.49	1957
11.04	1958
11.67	1959
6.71	1960
15.76	1961
6.69	1962
9.22	1963
7.44	1964
11.09	1965
10.54	1966
9.74	1967
8.12	1968
10.78	1969
10.79	1970
6.85	1971
8.88	1972
8.75	1973
11.05	1974
11.93	1975
9.36	1976
14.48	1977
9.08	1978
11.77	1979
10.88	1980
10.25	1981
10.76	1982
11.69	1983
7.73	1984
11.86	1985
10.16	1986
11.39	1987
8.82	1988
8.07	1989
10.97	1990
10.21	1991
8.24	1992
15.06	1993
8.79	1994
8.88	1995
13.81	1996
8.18	1997
10.02	1998
9.78	1999
10.11	2000

Duration: 48h
09/08/1948	1.42
06/13/1949	3.13
07/16/1950	3.52
05/09/1951	3.41
06/12/1952	2.04
06/10/1953	2.42
10/09/1954	6.68
10/04/1955	3.65
04/27/1956	2.52
07/12/1957	6.24
06/08/1958	2.31
06/25/1959	4.58
01/11/1960	2.93
09/12/1961	5.21
06/08/1962	1.97
04/29/1963	2.65
07/17/1964	2.09
12/23/1965	2.97
07/26/1966	5.39
06/10/1967	2.95
08/15/1968	4.39
07/17/1969	3.38
06/20/1970	2.97
12/09/1971	2.30
09/28/1972	3.68
04/30/1973	2.25
06/20/1974	2.84
04/17/1975	3.84
06/13/1976	4.64
08/31/1977	4.16
07/19/1978	3.55
08/17/1979	2.85
-9/-9/-999	-9.99
06/13/1981	3.00
12/02/1982	3.30
06/27/1983	3.10
08/09/1984	2.30
10/18/1985	3.50
09/24/1986	3.30
08/25/1987	4.30
10/15/1988	2.10
11/14/1989	2.50
07/19/1990	4.10
05/25/1991	2.70
09/07/1992	3.50
06/07/1993	4.90
10/31/1994	2.50
11/10/1995	4.00
07/17/1996	8.60
02/20/1997	4.80
09/06/1998	3.30
-9/-9/-999	-9.99
09/10/2000	4.70

Duration: 60d
9.49	1942
12.40	1943
9.05	1944
12.33	1945
10.50	1946
13.96	1947
9.58	1948
10.36	1949
15.67	1950
10.29	1951
8.15	1952
9.41	1953
17.42	1954
8.57	1955
7.71	1956
17.17	1957
12.26	1958
11.93	1959
8.64	1960
20.63	1961
7.75	1962
11.33	1963
8.84	1964
13.27	1965
12.07	1966
11.54	1967
9.43	1968
13.35	1969
14.07	1970
7.59	1971
11.94	1972
11.14	1973
14.30	1974
14.19	1975
14.11	1976
19.12	1977
10.28	1978
12.74	1979
14.27	1980
12.27	1981
13.56	1982
14.08	1983
9.32	1984
14.48	1985
11.68	1986
12.94	1987
9.53	1988
11.23	1989
12.51	1990
12.66	1991
10.46	1992
16.86	1993
9.24	1994
9.50	1995
17.33	1996
8.88	1997
11.65	1998
13.77	1999
13.26	2000