Precipitation annual maximum series (inches)
Station ID: 31-3957
Station name: HELTON
State: NC
Latitude (decimal degrees): 36.5631
Longitude (decimal degrees): 81.5039
Elevation (feet): 2840

Duration: 01d
7.05	1940
1.40	1941
1.90	1942
1.63	1943
1.94	1944
2.01	1945
1.90	1946
2.12	1947
-9.99	1948
2.08	1949
1.60	1950
1.51	1951
1.26	1952
1.34	1953
2.25	1954
1.48	1955
2.62	1956
2.76	1957
1.17	1958
2.77	1959
1.87	1960
2.97	1961
2.31	1962
2.34	1963
2.37	1964
1.05	1965
-9.99	1966
1.47	1967
3.68	1968
1.15	1969
3.50	1970
2.13	1971
3.08	1972
2.00	1973
1.28	1974
1.48	1975
3.25	1976
4.47	1977
1.50	1978
3.10	1979
3.70	1980
3.60	1981
1.40	1982
2.00	1983
2.50	1984
2.70	1985
1.90	1986
2.30	1987
2.00	1988
4.20	1989
4.30	1990
2.30	1991
2.70	1992
2.50	1993
2.50	1994
4.10	1995
3.40	1996
2.30	1997
2.20	1998

Duration: 01h
07/09/1958	0.55
07/28/1959	0.50
08/27/1960	0.66
08/24/1961	1.08
07/07/1962	0.91
06/29/1963	0.64
07/23/1964	1.15
07/26/1965	0.65
-9/-9/-999	-9.99
04/10/1967	0.35
06/12/1968	0.73
07/24/1969	1.07
04/28/1970	0.83
07/30/1971	1.00
07/30/1972	0.99
07/23/1973	0.69
05/19/1974	0.55
09/17/1975	1.36
10/07/1976	1.00
11/06/1977	1.00
07/02/1978	0.80
09/21/1979	0.90
04/01/1980	0.90
05/27/1981	0.80
09/13/1982	1.30
06/11/1983	0.80
08/12/1984	1.20
07/13/1985	0.70
08/22/1986	0.80
05/23/1987	1.10
07/18/1988	0.90
07/22/1989	1.10
07/13/1990	1.00
08/09/1991	0.80
06/14/1992	0.50
08/27/1993	0.50
07/29/1994	0.70
07/30/1995	0.90
11/08/1996	0.70
07/08/1997	1.30
08/16/1998	1.10
07/07/1999	0.90
-9/-9/-999	-9.99

Duration: 02d
8.85	1940
2.36	1941
2.75	1942
2.29	1943
3.65	1944
3.61	1945
2.79	1946
3.02	1947
-9.99	1948
2.37	1949
2.80	1950
1.68	1951
1.86	1952
2.07	1953
2.25	1954
2.24	1955
4.45	1956
3.07	1957
1.73	1958
5.31	1959
1.95	1960
3.43	1961
3.25	1962
3.45	1963
3.55	1964
1.33	1965
-9.99	1966
1.53	1967
4.28	1968
1.65	1969
4.80	1970
2.50	1971
3.50	1972
2.60	1973
1.35	1974
2.16	1975
4.35	1976
6.11	1977
2.70	1978
3.20	1979
5.00	1980
3.90	1981
2.40	1982
2.50	1983
3.40	1984
3.20	1985
2.00	1986
3.70	1987
2.00	1988
4.50	1989
4.49	1990
2.80	1991
3.00	1992
3.00	1993
4.50	1994
5.20	1995
3.50	1996
2.30	1997
3.10	1998

Duration: 02h
10/18/1958	0.85
09/29/1959	0.85
07/01/1960	1.04
08/24/1961	1.54
09/03/1962	1.10
06/29/1963	0.84
07/23/1964	1.40
07/05/1965	0.92
-9/-9/-999	-9.99
04/10/1967	0.55
06/12/1968	0.88
07/24/1969	1.09
08/22/1970	1.10
07/30/1971	1.33
07/30/1972	1.89
05/27/1973	1.02
05/19/1974	0.55
09/17/1975	1.42
10/07/1976	1.69
11/06/1977	1.69
07/02/1978	0.80
09/21/1979	1.50
06/25/1980	1.50
05/27/1981	1.10
09/13/1982	1.30
06/11/1983	0.80
08/12/1984	1.30
07/13/1985	0.80
07/01/1986	0.80
05/23/1987	1.60
07/18/1988	1.00
09/22/1989	1.80
07/13/1990	1.20
07/26/1991	0.80
06/04/1992	0.80
09/02/1993	0.70
08/17/1994	1.20
03/08/1995	0.90
08/19/1996	1.10
07/08/1997	1.40
08/16/1998	1.20
07/07/1999	0.90
-9/-9/-999	-9.99

Duration: 03h
10/18/1958	0.90
09/29/1959	1.19
07/01/1960	1.34
08/24/1961	1.72
12/09/1962	1.29
06/29/1963	1.01
07/23/1964	1.40
07/05/1965	0.92
-9/-9/-999	-9.99
03/06/1967	0.69
06/12/1968	0.88
07/24/1969	1.10
04/28/1970	1.28
07/30/1971	1.33
07/30/1972	1.98
05/27/1973	1.20
04/04/1974	0.64
09/17/1975	1.47
10/07/1976	1.95
11/06/1977	2.15
07/02/1978	0.80
09/21/1979	1.80
06/25/1980	2.00
05/27/1981	1.30
09/13/1982	1.30
02/02/1983	0.90
02/13/1984	1.30
08/17/1985	0.90
08/20/1986	0.90
05/23/1987	1.60
07/18/1988	1.00
09/22/1989	2.40
10/12/1990	1.60
03/01/1991	0.90
06/04/1992	0.90
09/27/1993	0.80
08/17/1994	1.60
03/08/1995	1.20
11/08/1996	1.30
07/08/1997	1.50
04/16/1998	1.20
07/07/1999	1.00
-9/-9/-999	-9.99

Duration: 04d
10.68	1940
3.63	1941
2.86	1942
2.58	1943
3.69	1944
4.69	1945
3.10	1946
3.44	1947
-9.99	1948
3.26	1949
2.86	1950
2.46	1951
2.94	1952
2.66	1953
3.01	1954
3.91	1955
4.93	1956
3.82	1957
2.09	1958
5.34	1959
2.23	1960
4.37	1961
3.45	1962
3.45	1963
3.55	1964
1.76	1965
-9.99	1966
2.26	1967
5.63	1968
2.26	1969
5.25	1970
3.06	1971
4.19	1972
3.30	1973
1.64	1974
2.73	1975
5.01	1976
6.85	1977
2.90	1978
3.20	1979
5.30	1980
3.90	1981
2.90	1982
3.10	1983
3.50	1984
4.30	1985
2.90	1986
4.00	1987
2.10	1988
4.80	1989
5.89	1990
2.80	1991
3.20	1992
3.00	1993
4.60	1994
5.40	1995
3.50	1996
2.50	1997
4.30	1998

Duration: 06h
10/18/1958	1.06
09/29/1959	1.85
07/01/1960	1.87
06/15/1961	2.41
12/09/1962	2.15
03/11/1963	1.54
08/30/1964	1.56
09/12/1965	0.94
-9/-9/-999	-9.99
03/06/1967	1.02
04/23/1968	1.37
07/24/1969	1.12
07/21/1970	1.97
07/30/1971	1.89
07/30/1972	2.10
05/27/1973	1.55
04/04/1974	0.94
09/17/1975	1.52
10/07/1976	2.42
11/06/1977	2.92
07/02/1978	1.30
09/21/1979	2.40
06/24/1980	2.90
05/27/1981	2.20
09/13/1982	1.30
02/02/1983	1.50
02/13/1984	2.10
08/17/1985	1.40
11/07/1986	1.20
04/15/1987	1.70
09/17/1988	1.60
09/22/1989	3.60
10/12/1990	2.40
03/29/1991	1.30
06/04/1992	1.40
08/13/1993	1.40
08/16/1994	2.40
03/08/1995	1.60
11/08/1996	2.40
07/08/1997	1.50
04/19/1998	1.70
01/01/1999	1.30
-9/-9/-999	-9.99

Duration: 07d
10.99	1940
4.78	1941
4.11	1942
2.66	1943
3.70	1944
4.69	1945
3.25	1946
3.86	1947
-9.99	1948
5.09	1949
3.89	1950
3.68	1951
3.11	1952
3.61	1953
3.40	1954
4.80	1955
5.87	1956
4.43	1957
2.41	1958
5.34	1959
2.71	1960
5.00	1961
3.45	1962
4.29	1963
4.59	1964
1.76	1965
-9.99	1966
2.37	1967
6.25	1968
2.95	1969
5.33	1970
3.96	1971
4.61	1972
3.67	1973
2.69	1974
3.29	1975
5.01	1976
7.06	1977
4.00	1978
3.80	1979
5.30	1980
4.20	1981
3.20	1982
3.10	1983
4.40	1984
5.80	1985
3.30	1986
4.60	1987
2.20	1988
5.60	1989
6.46	1990
3.30	1991
4.30	1992
3.40	1993
4.80	1994
6.00	1995
3.60	1996
3.60	1997
4.40	1998

Duration: 10d
12.10	1940
6.33	1941
5.14	1942
3.43	1943
4.32	1944
4.28	1945
4.30	1946
4.80	1947
-9.99	1948
5.45	1949
4.01	1950
3.68	1951
3.11	1952
4.19	1953
3.80	1954
5.42	1955
6.22	1956
5.26	1957
2.51	1958
6.32	1959
3.46	1960
6.18	1961
3.56	1962
4.96	1963
4.59	1964
2.69	1965
-9.99	1966
2.37	1967
6.25	1968
3.33	1969
5.98	1970
4.21	1971
4.61	1972
3.87	1973
2.69	1974
4.12	1975
5.54	1976
7.11	1977
4.30	1978
5.30	1979
5.30	1980
6.50	1981
3.50	1982
4.10	1983
4.50	1984
6.00	1985
3.80	1986
5.10	1987
2.80	1988
7.70	1989
7.03	1990
3.70	1991
5.50	1992
4.60	1993
4.80	1994
6.70	1995
4.40	1996
4.60	1997
5.10	1998

Duration: 12h
06/19/1958	1.24
09/29/1959	3.28
07/01/1960	1.87
06/15/1961	2.45
12/09/1962	2.15
03/11/1963	2.50
09/29/1964	2.22
07/05/1965	1.04
-9/-9/-999	-9.99
04/26/1967	1.06
10/18/1968	2.10
08/15/1969	1.27
08/08/1970	2.40
07/30/1971	2.00
07/30/1972	2.27
05/27/1973	2.13
04/04/1974	1.24
09/17/1975	1.64
10/07/1976	2.77
11/05/1977	3.40
07/02/1978	1.40
09/21/1979	2.60
06/24/1980	3.60
05/27/1981	3.40
02/02/1982	1.40
12/11/1983	2.40
02/13/1984	2.60
08/17/1985	2.40
12/24/1986	1.60
04/15/1987	1.90
09/17/1988	1.90
09/22/1989	4.20
10/12/1990	3.60
03/29/1991	2.20
06/04/1992	1.90
08/13/1993	1.70
08/16/1994	3.20
01/14/1995	2.40
11/08/1996	3.40
07/22/1997	2.30
01/27/1998	2.00
07/07/1999	1.60
-9/-9/-999	-9.99

Duration: 20d
15.93	1940
11.05	1941
6.35	1942
4.67	1943
5.85	1944
4.93	1945
5.82	1946
7.56	1947
-9.99	1948
6.45	1949
5.42	1950
4.85	1951
4.61	1952
4.70	1953
4.16	1954
8.22	1955
7.46	1956
6.63	1957
4.22	1958
7.73	1959
5.20	1960
6.89	1961
4.93	1962
6.86	1963
8.14	1964
3.28	1965
-9.99	1966
4.01	1967
7.24	1968
4.33	1969
9.45	1970
5.82	1971
5.45	1972
5.28	1973
4.32	1974
5.33	1975
7.38	1976
9.34	1977
5.90	1978
8.10	1979
8.60	1980
8.60	1981
5.30	1982
7.00	1983
6.00	1984
7.70	1985
7.20	1986
7.40	1987
4.20	1988
11.40	1989
8.92	1990
5.20	1991
8.30	1992
5.20	1993
6.20	1994
7.70	1995
6.40	1996
6.00	1997
7.00	1998

Duration: 24h
05/06/1958	1.29
09/29/1959	4.79
03/02/1960	1.90
08/24/1961	3.02
09/16/1962	2.53
03/11/1963	3.17
10/15/1964	3.04
07/26/1965	1.33
-9/-9/-999	-9.99
02/17/1967	1.47
10/18/1968	3.77
06/01/1969	1.37
08/08/1970	3.80
07/30/1971	2.26
06/20/1972	3.18
05/27/1973	2.35
04/03/1974	1.35
10/16/1975	1.73
10/07/1976	3.25
11/05/1977	4.85
04/25/1978	2.00
03/23/1979	3.20
06/24/1980	4.30
05/27/1981	3.80
02/02/1982	2.30
12/11/1983	2.40
02/13/1984	3.10
08/17/1985	2.70
12/23/1986	2.00
04/15/1987	2.50
09/17/1988	2.00
09/21/1989	4.30
10/12/1990	4.31
03/29/1991	2.30
06/04/1992	2.80
12/04/1993	2.60
08/16/1994	4.00
01/14/1995	4.20
11/07/1996	3.50
07/22/1997	2.30
01/07/1998	2.81
11/25/1999	1.90
-9/-9/-999	-9.99

Duration: 30d
18.04	1940
13.02	1941
9.70	1942
5.31	1943
8.00	1944
7.44	1945
7.45	1946
9.20	1947
-9.99	1948
6.96	1949
7.00	1950
5.88	1951
6.27	1952
6.04	1953
4.38	1954
9.11	1955
7.92	1956
7.56	1957
5.16	1958
8.79	1959
7.42	1960
8.62	1961
5.40	1962
7.15	1963
8.50	1964
4.39	1965
-9.99	1966
5.63	1967
7.24	1968
5.76	1969
11.55	1970
7.32	1971
6.04	1972
6.84	1973
4.98	1974
6.07	1975
9.71	1976
10.97	1977
7.10	1978
10.40	1979
9.60	1980
9.90	1981
6.80	1982
8.00	1983
6.90	1984
8.50	1985
8.10	1986
9.00	1987
6.10	1988
13.00	1989
9.60	1990
7.40	1991
9.20	1992
7.20	1993
7.90	1994
8.50	1995
8.40	1996
7.30	1997
11.20	1998

Duration: 45d
20.50	1940
14.42	1941
12.24	1942
7.14	1943
10.12	1944
9.66	1945
9.19	1946
10.36	1947
-9.99	1948
10.34	1949
9.42	1950
7.65	1951
7.98	1952
9.05	1953
7.12	1954
10.36	1955
10.52	1956
9.00	1957
5.49	1958
10.18	1959
9.06	1960
11.63	1961
7.32	1962
7.62	1963
8.75	1964
6.13	1965
-9.99	1966
7.02	1967
7.89	1968
7.40	1969
13.99	1970
8.79	1971
9.61	1972
9.68	1973
6.00	1974
8.02	1975
11.87	1976
15.05	1977
8.50	1978
11.50	1979
11.20	1980
11.40	1981
9.90	1982
9.70	1983
9.60	1984
11.10	1985
10.00	1986
10.30	1987
6.80	1988
16.20	1989
11.00	1990
10.50	1991
12.80	1992
10.10	1993
8.90	1994
10.60	1995
8.80	1996
11.30	1997
14.20	1998

Duration: 48h
12/27/1958	2.09
09/28/1959	5.32
06/30/1960	1.95
08/24/1961	3.43
09/15/1962	3.35
03/11/1963	3.45
10/15/1964	3.55
07/26/1965	1.33
-9/-9/-999	-9.99
02/17/1967	1.53
10/17/1968	4.48
01/31/1969	1.70
08/08/1970	5.15
10/22/1971	2.58
06/19/1972	3.78
04/25/1973	3.00
04/03/1974	1.35
09/22/1975	2.40
10/07/1976	4.73
11/05/1977	6.36
04/25/1978	2.80
03/23/1979	3.20
06/24/1980	5.20
05/27/1981	3.90
02/02/1982	2.40
10/11/1983	2.90
05/06/1984	3.40
08/15/1985	3.30
12/23/1986	2.10
02/26/1987	3.80
09/17/1988	2.00
09/20/1989	4.60
10/10/1990	5.10
03/28/1991	2.80
06/03/1992	3.20
12/04/1993	3.00
08/15/1994	4.60
01/13/1995	5.30
11/07/1996	3.50
04/21/1997	2.30
01/06/1998	3.10
07/10/1999	2.50
-9/-9/-999	-9.99

Duration: 60d
22.66	1940
15.37	1941
14.22	1942
9.01	1943
13.58	1944
11.43	1945
10.76	1946
12.33	1947
-9.99	1948
12.77	1949
11.29	1950
8.85	1951
10.39	1952
11.25	1953
6.56	1954
12.04	1955
12.21	1956
10.16	1957
7.10	1958
12.25	1959
10.51	1960
12.55	1961
9.45	1962
8.90	1963
11.59	1964
7.72	1965
-9.99	1966
9.51	1967
8.25	1968
8.27	1969
15.16	1970
12.07	1971
10.78	1972
11.81	1973
7.77	1974
9.36	1975
12.76	1976
16.65	1977
10.50	1978
12.80	1979
13.60	1980
13.00	1981
12.20	1982
12.20	1983
12.10	1984
12.80	1985
10.70	1986
14.90	1987
8.10	1988
18.50	1989
12.33	1990
11.90	1991
15.50	1992
10.20	1993
12.50	1994
13.00	1995
10.30	1996
13.80	1997
17.80	1998