Precipitation annual maximum series (inches)
Station ID: 11-7391
Station name: ROCK ISLAND L&D 15
State: IL
Latitude (decimal degrees): 41.5194
Longitude (decimal degrees): 90.5644
Elevation (feet): 568

Duration: 01d
2.36	1937
3.55	1938
1.65	1939
1.60	1940
2.06	1941
2.75	1942
2.95	1943
1.54	1944
2.86	1945
3.10	1946
2.73	1947
2.90	1948
6.57	1949
2.79	1950
2.10	1951
2.95	1952
-9.99	1953
-9.99	1954
1.96	1955
1.64	1956
1.67	1957
1.41	1958
2.60	1959
1.60	1960
5.13	1961
2.70	1962
5.20	1963
2.76	1964
2.65	1965
2.23	1966
1.35	1967
2.00	1968
2.05	1969
2.82	1970
2.21	1971
1.78	1972
2.30	1973
1.60	1974
1.11	1975
2.35	1976
3.22	1977
1.85	1978
3.16	1979
2.01	1980
2.14	1981
4.54	1982
4.50	1983
-9.99	1984
2.55	1985
2.40	1986
-9.99	1987
2.14	1988
2.39	1989
6.56	1990
3.69	1991
2.96	1992
2.38	1993
1.69	1994
2.05	1995
4.00	1996
2.02	1997
3.20	1998
2.91	1999
2.05	2000

Duration: 01h
-9/-9/-999	-9.99
08/11/1949	2.66
06/13/1950	1.56
08/29/1951	1.18
06/08/1952	1.32
-9/-9/-999	-9.99
08/04/1954	1.22
10/28/1955	1.06
07/31/1956	0.80
05/30/1957	1.11
11/17/1958	0.87
07/30/1959	1.15
08/03/1960	1.18
07/27/1961	1.00
05/07/1962	0.90
07/19/1963	1.97
08/20/1964	1.40
09/04/1965	1.20
07/28/1966	1.40
07/01/1967	0.72
09/23/1968	1.02
07/17/1969	1.35
09/02/1970	1.09
07/12/1971	1.08
07/14/1972	1.20
09/04/1973	1.50
06/21/1974	0.90
-9/-9/-999	-9.99
-9/-9/-999	-9.99
06/30/1977	2.50
09/17/1978	1.40
08/18/1979	1.30
-9/-9/-999	-9.99
06/29/1981	1.30
06/15/1982	2.20
06/29/1983	1.90
-9/-9/-999	-9.99
08/09/1985	0.60
05/16/1986	0.90
05/20/1987	1.90
06/29/1988	0.50
09/01/1989	0.90
06/16/1990	2.00
06/21/1991	2.40
07/07/1992	1.30
08/30/1993	1.20
07/14/1994	0.60
07/04/1995	0.70
08/22/1996	1.40
05/25/1997	1.20
06/18/1998	1.30
04/03/1999	1.70
05/18/2000	1.00

Duration: 02d
3.25	1937
3.68	1938
3.15	1939
1.74	1940
2.82	1941
2.87	1942
2.99	1943
2.38	1944
-9.99	1945
-9.99	1946
-9.99	1947
2.90	1948
6.69	1949
4.46	1950
3.23	1951
2.95	1952
-9.99	1953
-9.99	1954
2.00	1955
2.22	1956
2.16	1957
2.23	1958
3.26	1959
2.73	1960
6.18	1961
3.85	1962
5.46	1963
2.76	1964
4.43	1965
2.23	1966
1.60	1967
2.00	1968
2.40	1969
3.85	1970
2.21	1971
2.65	1972
3.95	1973
2.70	1974
1.51	1975
2.40	1976
5.46	1977
2.03	1978
3.71	1979
2.67	1980
2.94	1981
4.66	1982
4.79	1983
-9.99	1984
2.80	1985
3.33	1986
-9.99	1987
2.14	1988
2.39	1989
6.60	1990
3.69	1991
3.04	1992
2.99	1993
1.91	1994
2.52	1995
4.01	1996
2.13	1997
3.92	1998
3.68	1999
2.79	2000

Duration: 02h
-9/-9/-999	-9.99
08/11/1949	4.02
06/13/1950	1.83
08/29/1951	1.53
06/08/1952	2.55
-9/-9/-999	-9.99
08/04/1954	1.32
04/19/1955	1.25
07/31/1956	1.28
05/30/1957	1.40
05/03/1958	1.00
07/30/1959	1.65
08/03/1960	1.23
09/13/1961	1.23
07/14/1962	1.10
07/18/1963	2.55
08/20/1964	2.56
09/04/1965	1.20
07/28/1966	1.40
07/01/1967	0.73
09/23/1968	1.09
07/17/1969	1.95
09/02/1970	1.66
07/10/1971	1.63
09/28/1972	1.50
06/16/1973	2.00
06/21/1974	1.30
-9/-9/-999	-9.99
-9/-9/-999	-9.99
06/30/1977	3.30
09/17/1978	1.40
08/19/1979	2.60
-9/-9/-999	-9.99
06/29/1981	1.50
06/15/1982	3.10
06/29/1983	3.20
-9/-9/-999	-9.99
08/09/1985	0.90
05/16/1986	1.10
05/20/1987	2.20
06/29/1988	0.80
09/01/1989	1.10
06/16/1990	3.30
06/21/1991	3.40
09/09/1992	2.00
08/16/1993	1.30
07/14/1994	1.10
07/04/1995	1.20
08/22/1996	2.70
05/24/1997	1.30
06/18/1998	1.30
04/03/1999	1.70
07/04/2000	1.20

Duration: 03h
-9/-9/-999	-9.99
08/11/1949	5.10
06/13/1950	2.01
08/29/1951	1.70
06/08/1952	2.95
-9/-9/-999	-9.99
10/09/1954	1.85
04/19/1955	1.34
07/31/1956	1.33
05/30/1957	1.48
11/17/1958	1.12
07/30/1959	2.00
08/03/1960	1.23
09/13/1961	1.63
07/14/1962	1.67
07/19/1963	2.58
08/20/1964	2.65
08/03/1965	1.53
06/09/1966	1.57
08/08/1967	0.95
09/23/1968	1.10
07/17/1969	2.00
09/02/1970	1.82
07/10/1971	2.01
06/14/1972	1.55
06/16/1973	2.10
06/21/1974	1.30
-9/-9/-999	-9.99
-9/-9/-999	-9.99
06/30/1977	3.80
09/17/1978	1.40
08/19/1979	2.80
-9/-9/-999	-9.99
06/29/1981	1.60
06/14/1982	3.50
06/29/1983	3.90
-9/-9/-999	-9.99
08/09/1985	1.10
05/16/1986	1.20
08/21/1987	2.60
06/29/1988	0.90
09/01/1989	1.20
06/16/1990	3.70
06/21/1991	3.60
09/09/1992	2.30
06/29/1993	1.30
07/14/1994	1.20
07/04/1995	1.30
08/22/1996	3.10
05/24/1997	1.30
10/17/1998	1.50
04/03/1999	1.80
05/18/2000	1.20

Duration: 04d
4.39	1937
3.96	1938
3.30	1939
2.23	1940
3.69	1941
2.88	1942
3.92	1943
3.14	1944
-9.99	1945
-9.99	1946
-9.99	1947
2.90	1948
6.79	1949
5.12	1950
3.23	1951
2.95	1952
-9.99	1953
-9.99	1954
2.23	1955
2.90	1956
2.78	1957
2.27	1958
3.86	1959
3.20	1960
6.18	1961
4.10	1962
5.53	1963
2.79	1964
5.13	1965
3.65	1966
2.60	1967
2.15	1968
2.94	1969
4.83	1970
3.55	1971
2.90	1972
4.00	1973
3.38	1974
1.60	1975
2.61	1976
5.68	1977
2.21	1978
6.40	1979
2.92	1980
3.73	1981
4.73	1982
6.04	1983
-9.99	1984
3.56	1985
3.75	1986
-9.99	1987
2.14	1988
2.60	1989
7.53	1990
3.69	1991
4.10	1992
3.02	1993
1.91	1994
2.88	1995
4.02	1996
3.52	1997
4.40	1998
4.00	1999
3.56	2000

Duration: 06h
-9/-9/-999	-9.99
08/11/1949	6.16
06/13/1950	2.05
08/29/1951	2.05
06/08/1952	2.95
-9/-9/-999	-9.99
10/09/1954	2.06
04/19/1955	1.95
07/07/1956	1.68
05/30/1957	1.48
05/31/1958	1.40
09/26/1959	2.60
01/11/1960	1.37
09/13/1961	2.38
07/13/1962	2.35
07/18/1963	5.03
08/20/1964	2.75
08/03/1965	2.49
06/08/1966	1.68
08/08/1967	1.36
07/07/1968	1.11
07/17/1969	2.06
09/21/1970	2.09
07/10/1971	2.09
06/14/1972	1.72
06/16/1973	2.30
06/21/1974	1.40
-9/-9/-999	-9.99
-9/-9/-999	-9.99
06/30/1977	5.50
09/17/1978	1.50
08/19/1979	3.20
-9/-9/-999	-9.99
09/26/1981	2.20
06/14/1982	4.40
06/29/1983	4.30
-9/-9/-999	-9.99
10/09/1985	1.70
05/16/1986	1.40
08/20/1987	3.80
06/29/1988	1.30
09/01/1989	1.30
06/16/1990	4.00
06/21/1991	3.60
09/09/1992	2.70
08/16/1993	1.40
07/14/1994	1.30
05/07/1995	1.50
08/22/1996	3.70
09/16/1997	1.50
10/17/1998	2.90
04/03/1999	1.80
06/24/2000	1.90

Duration: 07d
4.73	1937
4.73	1938
4.15	1939
2.31	1940
3.82	1941
3.20	1942
4.11	1943
3.86	1944
-9.99	1945
-9.99	1946
-9.99	1947
5.48	1948
6.79	1949
5.32	1950
4.05	1951
4.37	1952
-9.99	1953
-9.99	1954
3.99	1955
2.90	1956
2.86	1957
3.03	1958
5.01	1959
3.43	1960
6.18	1961
4.45	1962
6.28	1963
3.29	1964
6.39	1965
4.14	1966
3.70	1967
4.03	1968
3.49	1969
5.35	1970
3.55	1971
3.80	1972
4.70	1973
4.79	1974
2.11	1975
2.92	1976
5.68	1977
2.63	1978
7.11	1979
3.34	1980
4.03	1981
4.77	1982
7.64	1983
-9.99	1984
3.86	1985
3.85	1986
-9.99	1987
3.33	1988
3.67	1989
8.47	1990
3.77	1991
4.94	1992
4.13	1993
2.17	1994
3.77	1995
4.61	1996
3.54	1997
4.41	1998
4.29	1999
3.81	2000

Duration: 10d
4.73	1937
5.36	1938
4.15	1939
2.59	1940
4.64	1941
3.63	1942
5.01	1943
4.83	1944
-9.99	1945
-9.99	1946
-9.99	1947
5.94	1948
7.21	1949
5.46	1950
4.29	1951
4.37	1952
-9.99	1953
-9.99	1954
3.99	1955
3.07	1956
3.53	1957
3.03	1958
5.59	1959
3.77	1960
6.20	1961
4.90	1962
6.33	1963
3.30	1964
7.25	1965
4.14	1966
5.13	1967
4.25	1968
4.28	1969
6.82	1970
4.80	1971
4.73	1972
4.98	1973
5.56	1974
2.70	1975
2.92	1976
6.51	1977
2.73	1978
7.13	1979
3.68	1980
4.64	1981
4.86	1982
7.64	1983
-9.99	1984
5.42	1985
4.63	1986
-9.99	1987
3.43	1988
5.11	1989
9.05	1990
3.89	1991
7.09	1992
4.74	1993
2.59	1994
3.82	1995
5.48	1996
4.23	1997
4.41	1998
4.61	1999
3.95	2000

Duration: 12h
-9/-9/-999	-9.99
08/11/1949	6.25
06/13/1950	2.05
08/29/1951	2.05
06/08/1952	2.95
-9/-9/-999	-9.99
10/09/1954	2.81
04/19/1955	1.96
07/07/1956	1.68
05/30/1957	1.66
06/12/1958	1.41
09/26/1959	2.63
01/11/1960	1.87
09/13/1961	4.08
07/13/1962	2.91
07/18/1963	5.18
08/20/1964	2.75
08/03/1965	2.64
07/26/1966	2.24
08/08/1967	1.37
07/07/1968	1.55
07/17/1969	2.06
09/21/1970	2.59
09/04/1971	2.20
08/05/1972	1.80
06/16/1973	2.30
05/07/1974	1.40
-9/-9/-999	-9.99
-9/-9/-999	-9.99
06/30/1977	5.50
09/17/1978	1.90
08/19/1979	3.20
-9/-9/-999	-9.99
09/26/1981	2.30
06/14/1982	4.50
06/29/1983	4.50
-9/-9/-999	-9.99
10/09/1985	2.40
05/16/1986	2.00
08/20/1987	3.80
06/29/1988	1.30
08/31/1989	2.00
06/16/1990	4.50
06/21/1991	3.60
09/09/1992	3.00
05/22/1993	1.50
07/13/1994	1.40
05/07/1995	2.00
08/22/1996	4.10
05/24/1997	2.00
10/17/1998	3.20
04/03/1999	1.80
04/20/2000	2.20

Duration: 20d
5.19	1937
7.33	1938
5.79	1939
4.58	1940
7.04	1941
4.30	1942
7.13	1943
6.07	1944
-9.99	1945
-9.99	1946
-9.99	1947
7.16	1948
8.37	1949
7.98	1950
6.69	1951
8.06	1952
-9.99	1953
-9.99	1954
4.89	1955
4.69	1956
5.12	1957
4.57	1958
9.37	1959
4.95	1960
8.35	1961
6.18	1962
7.35	1963
5.14	1964
8.48	1965
4.72	1966
6.38	1967
5.19	1968
7.09	1969
8.72	1970
5.90	1971
5.30	1972
8.93	1973
7.46	1974
4.30	1975
3.80	1976
9.69	1977
3.62	1978
9.08	1979
6.27	1980
6.07	1981
6.99	1982
8.80	1983
-9.99	1984
6.94	1985
5.82	1986
-9.99	1987
3.91	1988
6.72	1989
14.30	1990
4.24	1991
8.78	1992
6.99	1993
3.68	1994
6.46	1995
8.14	1996
6.31	1997
6.84	1998
6.15	1999
6.99	2000

Duration: 24h
-9/-9/-999	-9.99
08/11/1949	6.57
04/23/1950	3.56
05/09/1951	2.97
06/08/1952	2.95
-9/-9/-999	-9.99
10/09/1954	4.55
10/28/1955	2.00
07/31/1956	2.08
05/30/1957	2.16
06/12/1958	1.70
04/27/1959	2.73
01/11/1960	2.54
09/12/1961	5.20
07/13/1962	3.65
07/18/1963	5.21
08/20/1964	2.75
09/19/1965	3.18
07/26/1966	2.29
10/29/1967	1.41
09/23/1968	2.00
07/17/1969	2.06
09/21/1970	3.01
09/04/1971	2.27
08/05/1972	2.70
04/20/1973	2.70
06/21/1974	1.50
-9/-9/-999	-9.99
-9/-9/-999	-9.99
06/30/1977	5.50
09/16/1978	2.00
08/19/1979	3.70
-9/-9/-999	-9.99
09/25/1981	2.80
06/14/1982	4.70
06/29/1983	4.70
-9/-9/-999	-9.99
10/08/1985	2.60
05/16/1986	3.10
08/25/1987	4.40
06/29/1988	1.30
08/31/1989	2.40
06/16/1990	6.00
06/21/1991	3.60
09/09/1992	3.00
03/21/1993	1.70
06/23/1994	1.80
07/04/1995	2.20
08/22/1996	4.20
02/20/1997	2.10
10/17/1998	4.10
04/03/1999	1.80
04/20/2000	2.60

Duration: 30d
6.54	1937
10.55	1938
6.04	1939
6.17	1940
9.09	1941
6.70	1942
10.14	1943
8.27	1944
-9.99	1945
-9.99	1946
-9.99	1947
7.52	1948
10.17	1949
8.71	1950
7.90	1951
8.19	1952
-9.99	1953
-9.99	1954
6.44	1955
5.15	1956
6.48	1957
6.28	1958
9.37	1959
6.96	1960
9.14	1961
7.36	1962
8.15	1963
5.64	1964
11.08	1965
6.75	1966
7.15	1967
6.44	1968
9.39	1969
10.78	1970
6.07	1971
7.30	1972
11.03	1973
9.86	1974
5.16	1975
4.79	1976
10.73	1977
4.82	1978
11.19	1979
8.65	1980
7.94	1981
8.94	1982
9.10	1983
-9.99	1984
9.33	1985
7.28	1986
-9.99	1987
4.49	1988
8.82	1989
15.92	1990
6.98	1991
11.25	1992
9.76	1993
4.73	1994
8.66	1995
9.94	1996
7.31	1997
8.13	1998
7.04	1999
9.31	2000

Duration: 45d
7.25	1937
12.56	1938
8.69	1939
7.40	1940
11.02	1941
8.29	1942
11.41	1943
10.11	1944
-9.99	1945
-9.99	1946
-9.99	1947
8.69	1948
13.54	1949
10.98	1950
11.27	1951
11.71	1952
-9.99	1953
-9.99	1954
7.08	1955
6.89	1956
8.11	1957
7.54	1958
11.70	1959
8.47	1960
10.27	1961
8.26	1962
10.55	1963
7.81	1964
13.64	1965
8.99	1966
8.19	1967
7.09	1968
12.90	1969
12.22	1970
6.79	1971
8.40	1972
13.08	1973
13.60	1974
7.00	1975
5.65	1976
16.08	1977
5.81	1978
13.52	1979
10.31	1980
8.72	1981
12.37	1982
9.75	1983
-9.99	1984
12.95	1985
9.50	1986
-9.99	1987
5.21	1988
9.48	1989
18.11	1990
7.95	1991
11.79	1992
13.68	1993
6.45	1994
11.17	1995
11.27	1996
9.61	1997
10.76	1998
8.81	1999
12.11	2000

Duration: 48h
-9/-9/-999	-9.99
08/10/1949	6.79
04/23/1950	4.92
05/09/1951	3.23
06/08/1952	2.95
-9/-9/-999	-9.99
10/09/1954	4.60
10/28/1955	2.21
07/31/1956	2.83
12/18/1957	2.55
07/29/1958	2.27
10/04/1959	3.42
01/11/1960	2.73
09/12/1961	6.18
07/13/1962	4.10
07/17/1963	5.46
08/19/1964	2.78
09/19/1965	4.43
07/26/1966	2.78
08/06/1967	1.74
09/17/1968	2.02
06/06/1969	2.93
05/12/1970	3.90
09/04/1971	2.27
06/12/1972	2.82
04/20/1973	3.70
06/21/1974	2.60
-9/-9/-999	-9.99
-9/-9/-999	-9.99
06/28/1977	5.70
05/11/1978	2.80
08/18/1979	5.70
-9/-9/-999	-9.99
09/24/1981	3.80
06/14/1982	4.70
06/29/1983	5.10
-9/-9/-999	-9.99
10/08/1985	3.00
05/15/1986	3.30
08/25/1987	6.00
06/29/1988	1.30
08/31/1989	2.40
06/16/1990	6.10
06/21/1991	3.60
09/07/1992	3.90
03/21/1993	2.10
06/23/1994	1.90
04/08/1995	2.80
08/22/1996	4.20
05/24/1997	3.10
10/17/1998	4.10
04/03/1999	1.80
04/19/2000	3.00

Duration: 60d
9.12	1937
14.24	1938
11.48	1939
7.88	1940
13.75	1941
10.88	1942
13.42	1943
13.69	1944
-9.99	1945
-9.99	1946
-9.99	1947
10.82	1948
17.45	1949
14.05	1950
14.24	1951
12.64	1952
-9.99	1953
-9.99	1954
9.64	1955
8.63	1956
9.58	1957
9.58	1958
12.37	1959
12.07	1960
15.06	1961
10.72	1962
12.65	1963
8.47	1964
18.83	1965
11.30	1966
9.63	1967
7.82	1968
14.90	1969
15.36	1970
8.58	1971
10.68	1972
15.83	1973
15.60	1974
7.89	1975
6.50	1976
18.52	1977
6.60	1978
14.16	1979
11.88	1980
10.36	1981
14.62	1982
11.83	1983
-9.99	1984
15.37	1985
10.12	1986
-9.99	1987
6.27	1988
11.62	1989
22.49	1990
8.29	1991
12.76	1992
15.98	1993
7.45	1994
13.71	1995
12.47	1996
10.86	1997
13.06	1998
10.36	1999
15.48	2000