Precipitation annual maximum series (inches) Station ID: 11-7382 Station name: ROCKFORD WSO AP State: IL Latitude (decimal degrees): 42.1928 Longitude (decimal degrees): 89.0931 Elevation (feet): 730 Duration: 01d 2.21 1943 2.35 1944 2.52 1945 1.68 1946 3.10 1947 2.05 1948 1.90 1949 2.65 1950 4.99 1951 4.70 1952 1.78 1953 4.78 1954 1.45 1955 1.91 1956 1.58 1957 2.84 1958 4.22 1959 2.56 1960 5.56 1961 2.33 1962 2.62 1963 2.34 1964 2.24 1965 2.14 1966 3.32 1967 3.58 1968 3.43 1969 2.21 1970 1.71 1971 4.22 1972 3.38 1973 2.54 1974 1.52 1975 2.50 1976 3.61 1977 2.55 1978 2.17 1979 2.69 1980 2.55 1981 2.55 1982 2.39 1983 2.18 1984 1.85 1985 3.26 1986 5.70 1987 1.31 1988 2.00 1989 3.41 1990 2.82 1991 1.66 1992 2.04 1993 2.52 1994 -9.99 1995 4.77 1996 2.79 1997 2.01 1998 2.15 1999 3.10 2000 Duration: 01h 07/08/1951 0.40 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 07/18/1959 2.77 09/18/1960 1.82 09/13/1961 0.93 08/24/1962 1.28 07/18/1963 1.50 06/21/1964 2.07 08/26/1965 2.14 05/23/1966 0.80 06/10/1967 1.72 06/09/1968 1.65 07/26/1969 2.06 09/02/1970 0.80 07/08/1971 0.94 07/14/1972 2.03 10/10/1973 2.06 05/16/1974 1.30 05/20/1975 0.85 04/15/1976 0.86 05/15/1977 1.70 06/25/1978 1.52 04/25/1979 1.09 06/07/1980 2.51 08/31/1981 1.41 07/21/1982 1.44 09/05/1983 0.70 07/10/1984 1.09 08/13/1985 1.29 09/24/1986 1.57 08/14/1987 1.35 07/16/1988 0.96 07/25/1989 1.37 08/19/1990 1.35 06/12/1991 1.56 08/25/1992 0.56 06/18/1993 1.10 06/19/1994 1.45 06/27/1995 1.79 07/18/1996 1.36 06/15/1997 0.97 07/07/1998 1.39 06/01/1999 0.94 09/22/2000 1.54 Duration: 02d -9.99 1943 -9.99 1944 -9.99 1945 -9.99 1946 -9.99 1947 -9.99 1948 -9.99 1949 -9.99 1950 4.99 1951 7.42 1952 2.76 1953 5.61 1954 2.22 1955 3.31 1956 1.72 1957 3.35 1958 4.48 1959 3.01 1960 7.11 1961 2.33 1962 3.08 1963 3.24 1964 3.03 1965 2.73 1966 4.02 1967 4.09 1968 4.31 1969 2.61 1970 2.25 1971 4.24 1972 5.83 1973 3.56 1974 1.54 1975 2.50 1976 3.61 1977 3.12 1978 2.42 1979 2.84 1980 3.15 1981 4.50 1982 2.98 1983 2.27 1984 2.85 1985 3.26 1986 6.42 1987 1.76 1988 2.15 1989 4.38 1990 2.93 1991 1.66 1992 3.41 1993 3.28 1994 -9.99 1995 7.43 1996 3.38 1997 2.44 1998 4.15 1999 3.76 2000 Duration: 02h 07/08/1951 0.80 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 07/18/1959 3.65 09/18/1960 2.32 09/13/1961 1.77 08/24/1962 1.35 07/18/1963 1.68 04/21/1964 2.12 08/26/1965 2.20 05/23/1966 1.33 06/10/1967 1.88 06/09/1968 1.73 07/26/1969 2.06 09/17/1970 1.36 09/04/1971 1.07 08/25/1972 3.12 10/10/1973 2.46 06/08/1974 1.78 05/20/1975 0.90 06/13/1976 0.97 05/15/1977 2.65 06/25/1978 2.41 07/27/1979 1.66 06/07/1980 2.51 06/13/1981 2.33 07/21/1982 1.69 05/22/1983 1.10 11/01/1984 1.33 08/12/1985 1.53 09/24/1986 2.02 08/14/1987 1.72 07/16/1988 1.16 07/25/1989 1.40 07/19/1990 2.11 09/12/1991 1.70 08/25/1992 0.65 06/18/1993 1.15 06/19/1994 2.35 06/27/1995 1.80 07/28/1996 1.46 05/24/1997 1.14 07/07/1998 1.61 06/01/1999 1.14 09/11/2000 1.95 Duration: 03h 07/08/1951 1.20 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 07/18/1959 3.78 09/18/1960 2.46 09/13/1961 2.44 07/02/1962 1.55 07/18/1963 1.86 04/21/1964 2.16 08/26/1965 2.20 05/23/1966 1.38 06/10/1967 1.89 08/16/1968 2.65 07/26/1969 2.06 09/17/1970 1.44 09/04/1971 1.10 08/25/1972 3.86 10/10/1973 2.49 06/08/1974 1.98 05/20/1975 0.90 03/04/1976 1.12 05/15/1977 2.66 06/25/1978 2.45 04/25/1979 1.73 06/07/1980 2.51 06/12/1981 2.82 07/21/1982 1.85 05/22/1983 1.21 11/01/1984 1.45 08/12/1985 2.10 09/24/1986 2.20 08/14/1987 2.55 07/16/1988 1.16 07/25/1989 1.40 07/19/1990 2.54 09/12/1991 1.86 09/09/1992 0.85 06/18/1993 1.42 06/19/1994 2.38 06/27/1995 1.80 07/28/1996 1.70 06/15/1997 1.67 06/26/1998 1.62 04/22/1999 1.37 09/11/2000 1.96 Duration: 04d 5.69 1951 7.76 1952 2.76 1953 5.69 1954 2.22 1955 4.17 1956 1.98 1957 3.72 1958 4.48 1959 4.19 1960 7.13 1961 2.39 1962 3.67 1963 3.41 1964 3.74 1965 2.86 1966 5.64 1967 4.12 1968 5.93 1969 3.97 1970 2.26 1971 5.88 1972 6.06 1973 3.88 1974 1.78 1975 3.36 1976 3.86 1977 3.57 1978 3.19 1979 2.84 1980 3.50 1981 4.50 1982 3.12 1983 2.80 1984 3.09 1985 5.57 1986 7.09 1987 2.09 1988 3.00 1989 5.06 1990 3.28 1991 2.43 1992 3.43 1993 3.33 1994 -9.99 1995 7.44 1996 3.38 1997 2.52 1998 4.29 1999 4.57 2000 Duration: 06h 07/08/1951 2.40 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 07/18/1959 4.02 09/18/1960 2.53 09/13/1961 3.98 07/02/1962 2.20 07/18/1963 2.77 04/21/1964 2.34 07/30/1965 2.38 04/23/1966 1.40 06/10/1967 2.67 08/16/1968 3.43 07/26/1969 2.91 09/17/1970 2.03 12/15/1971 1.60 08/25/1972 4.22 04/20/1973 4.00 06/08/1974 2.14 11/29/1975 1.25 03/04/1976 1.37 07/18/1977 3.15 06/25/1978 2.46 04/25/1979 2.13 06/07/1980 2.69 06/12/1981 3.00 07/21/1982 1.90 05/22/1983 2.00 07/10/1984 2.04 08/12/1985 2.60 09/24/1986 3.04 08/14/1987 4.15 07/16/1988 1.16 07/29/1989 1.87 08/18/1990 3.35 09/12/1991 1.86 09/17/1992 1.18 06/18/1993 2.03 06/19/1994 2.38 06/27/1995 1.80 06/01/1996 1.92 05/24/1997 2.60 11/09/1998 1.64 04/22/1999 1.66 09/11/2000 1.96 Duration: 07d 5.84 1951 8.59 1952 4.38 1953 6.24 1954 2.31 1955 4.28 1956 2.63 1957 3.72 1958 5.30 1959 4.39 1960 7.21 1961 2.50 1962 5.01 1963 3.81 1964 4.50 1965 3.09 1966 7.85 1967 4.97 1968 6.20 1969 4.39 1970 3.83 1971 7.20 1972 6.78 1973 5.13 1974 2.36 1975 3.36 1976 4.09 1977 4.91 1978 3.62 1979 4.14 1980 4.36 1981 4.82 1982 3.29 1983 3.33 1984 3.42 1985 6.61 1986 7.54 1987 2.65 1988 4.40 1989 5.06 1990 3.66 1991 2.63 1992 4.54 1993 5.33 1994 -9.99 1995 7.67 1996 3.51 1997 2.58 1998 4.73 1999 4.63 2000 Duration: 10d 6.54 1951 9.29 1952 4.95 1953 7.50 1954 3.57 1955 5.40 1956 2.79 1957 3.82 1958 7.05 1959 4.55 1960 7.44 1961 3.24 1962 5.06 1963 6.23 1964 5.51 1965 3.30 1966 8.00 1967 5.23 1968 7.54 1969 6.15 1970 3.86 1971 7.38 1972 7.00 1973 5.72 1974 2.71 1975 3.37 1976 4.24 1977 6.61 1978 4.32 1979 4.98 1980 5.48 1981 5.60 1982 3.79 1983 3.56 1984 4.23 1985 8.58 1986 8.18 1987 4.21 1988 5.74 1989 5.64 1990 4.00 1991 3.60 1992 5.59 1993 5.33 1994 -9.99 1995 8.78 1996 3.67 1997 3.37 1998 5.15 1999 4.96 2000 Duration: 12h 07/08/1951 3.40 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 07/18/1959 4.02 09/18/1960 2.53 09/13/1961 4.79 07/02/1962 2.28 07/18/1963 2.82 04/20/1964 2.43 07/30/1965 2.58 02/09/1966 1.62 06/10/1967 2.80 08/16/1968 3.58 06/07/1969 3.19 09/17/1970 2.21 12/14/1971 2.20 08/25/1972 4.22 04/20/1973 4.37 06/08/1974 2.54 11/29/1975 1.43 03/04/1976 2.34 05/15/1977 3.60 07/01/1978 3.09 04/25/1979 2.26 06/07/1980 2.69 06/12/1981 3.04 07/21/1982 3.56 05/21/1983 2.81 10/31/1984 2.17 08/12/1985 2.60 09/24/1986 3.25 08/13/1987 5.51 04/05/1988 1.54 07/29/1989 2.00 08/18/1990 3.40 10/04/1991 1.96 09/09/1992 1.49 06/18/1993 2.06 06/19/1994 2.38 06/27/1995 1.80 06/01/1996 2.17 05/24/1997 3.37 11/09/1998 1.98 04/22/1999 1.94 09/11/2000 3.10 Duration: 20d 8.66 1951 11.58 1952 5.32 1953 9.44 1954 3.97 1955 8.03 1956 4.14 1957 5.00 1958 8.68 1959 5.84 1960 9.63 1961 4.29 1962 5.44 1963 6.49 1964 8.07 1965 5.86 1966 8.92 1967 6.41 1968 7.79 1969 9.12 1970 4.70 1971 8.09 1972 11.55 1973 6.96 1974 4.20 1975 4.73 1976 5.93 1977 8.10 1978 5.32 1979 6.34 1980 7.67 1981 8.16 1982 4.80 1983 6.54 1984 6.12 1985 9.59 1986 12.11 1987 4.46 1988 9.23 1989 8.66 1990 4.57 1991 5.13 1992 8.92 1993 6.68 1994 -9.99 1995 11.60 1996 5.03 1997 5.94 1998 7.39 1999 8.27 2000 Duration: 24h 07/08/1951 4.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 07/18/1959 4.22 01/11/1960 2.89 09/13/1961 5.56 07/02/1962 2.33 07/18/1963 3.05 04/20/1964 2.50 07/30/1965 2.60 05/11/1966 2.55 06/10/1967 3.32 08/16/1968 3.58 06/07/1969 4.15 09/02/1970 2.40 12/14/1971 2.24 08/25/1972 4.24 04/20/1973 5.55 05/16/1974 3.44 11/29/1975 1.54 03/04/1976 2.50 05/15/1977 3.61 07/01/1978 3.12 04/25/1979 2.28 06/07/1980 2.69 08/31/1981 3.15 07/21/1982 4.50 05/21/1983 2.92 10/31/1984 2.27 08/12/1985 2.60 09/24/1986 3.26 08/13/1987 6.42 04/05/1988 1.56 07/29/1989 2.00 08/18/1990 4.12 09/11/1991 2.83 12/15/1992 1.66 06/18/1993 2.88 06/19/1994 2.52 06/27/1995 1.80 07/17/1996 2.55 05/24/1997 3.37 10/17/1998 2.59 08/23/1999 2.10 09/11/2000 3.10 Duration: 30d 9.76 1951 12.77 1952 7.38 1953 9.77 1954 4.93 1955 8.33 1956 5.04 1957 7.11 1958 9.54 1959 8.59 1960 10.68 1961 5.62 1962 5.93 1963 8.69 1964 11.63 1965 7.79 1966 10.17 1967 7.41 1968 10.40 1969 10.63 1970 5.22 1971 10.34 1972 13.35 1973 9.37 1974 5.42 1975 5.11 1976 7.59 1977 10.33 1978 8.22 1979 7.30 1980 9.18 1981 11.32 1982 5.63 1983 7.94 1984 9.07 1985 10.65 1986 15.78 1987 4.87 1988 10.35 1989 9.31 1990 6.59 1991 6.68 1992 12.62 1993 8.05 1994 -9.99 1995 14.25 1996 7.56 1997 7.99 1998 8.51 1999 10.27 2000 Duration: 45d 11.57 1951 16.20 1952 8.53 1953 10.61 1954 5.85 1955 9.48 1956 7.46 1957 8.97 1958 11.61 1959 10.43 1960 13.52 1961 7.31 1962 8.49 1963 11.27 1964 15.21 1965 9.25 1966 11.34 1967 11.09 1968 13.42 1969 11.64 1970 6.42 1971 16.09 1972 15.27 1973 12.35 1974 6.67 1975 6.23 1976 9.77 1977 12.32 1978 10.06 1979 10.44 1980 11.43 1981 13.23 1982 8.01 1983 8.59 1984 11.54 1985 11.66 1986 17.72 1987 5.71 1988 12.72 1989 13.37 1990 7.55 1991 7.40 1992 15.41 1993 8.88 1994 -9.99 1995 15.86 1996 8.86 1997 10.19 1998 10.76 1999 13.45 2000 Duration: 48h 07/08/1951 4.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 -9/-9/-999 -9.99 07/18/1959 4.48 08/18/1960 3.05 09/12/1961 7.12 07/02/1962 2.33 04/28/1963 3.11 04/20/1964 3.24 09/19/1965 3.14 05/11/1966 2.73 06/10/1967 4.02 08/15/1968 4.09 06/06/1969 4.81 10/26/1970 2.62 12/14/1971 2.25 06/12/1972 5.49 04/20/1973 5.88 05/16/1974 3.56 11/29/1975 1.54 03/02/1976 2.51 07/16/1977 3.65 06/30/1978 3.57 04/25/1979 2.67 06/06/1980 2.84 08/31/1981 3.15 07/21/1982 4.50 05/20/1983 3.02 10/31/1984 2.27 10/31/1985 2.86 09/24/1986 4.29 08/13/1987 6.42 07/16/1988 2.09 08/03/1989 2.74 08/18/1990 4.58 09/11/1991 2.94 09/07/1992 2.09 06/07/1993 3.43 06/19/1994 3.28 06/26/1995 2.76 07/17/1996 2.55 05/24/1997 3.37 10/17/1998 2.59 04/21/1999 2.70 06/11/2000 3.85 Duration: 60d 14.37 1951 17.85 1952 10.25 1953 14.68 1954 7.44 1955 10.91 1956 8.94 1957 9.96 1958 13.67 1959 12.04 1960 17.33 1961 8.23 1962 10.30 1963 12.41 1964 19.75 1965 12.61 1966 14.01 1967 13.57 1968 16.16 1969 14.66 1970 7.28 1971 18.83 1972 19.36 1973 14.35 1974 9.06 1975 8.42 1976 11.44 1977 13.10 1978 11.08 1979 13.27 1980 12.69 1981 14.95 1982 9.05 1983 9.96 1984 14.36 1985 12.72 1986 19.37 1987 6.59 1988 14.60 1989 15.02 1990 9.88 1991 9.09 1992 17.64 1993 12.22 1994 -9.99 1995 21.04 1996 11.00 1997 11.50 1998 14.53 1999 17.21 2000