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Table of
computed runoff
by water-year for United States
(
Download version
)
State
United States
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
District of Columbia
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming
Puerto Rico
or
Water-Resources Regions
01 New England
02 Mid Atlantic
03 South Atlantic-Gulf
04 Great Lakes
05 Ohio
06 Tennessee
07 Upper Mississippi
08 Lower Mississippi
09 Souris-Red-Rainy
10 Missouri
11 Arkansas-White-Red
12 Texas-Gulf
13 Rio Grande
14 Upper Colorado
15 Lower Colorado
16 Great Basin
17 Pacific Northwest
18 California
19 Alaska
20 Hawaii
21 Puerto Rico
Region
Year
Runoff
(mm)
Runoff
(in)
Rank
Percentile
US
1901
223.06
8.78
81
34.68
US
1902
219.43
8.64
86
30.65
US
1903
260.21
10.24
30
75.81
US
1904
211.56
8.33
96
22.58
US
1905
189.17
7.45
111
10.48
US
1906
219.06
8.62
87
29.84
US
1907
250.90
9.88
40
67.74
US
1908
244.99
9.65
48
61.29
US
1909
242.64
9.55
53
57.26
US
1910
209.04
8.23
98
20.97
US
1911
194.75
7.67
106
14.52
US
1912
269.75
10.62
21
83.06
US
1913
231.98
9.13
69
44.35
US
1914
217.92
8.58
91
26.61
US
1915
224.08
8.82
78
37.10
US
1916
295.42
11.63
7
94.35
US
1917
236.41
9.31
61
50.81
US
1918
198.49
7.81
105
15.32
US
1919
229.42
9.03
73
41.13
US
1920
250.26
9.85
41
66.94
US
1921
238.12
9.37
58
53.23
US
1922
252.15
9.93
38
69.35
US
1923
214.57
8.45
93
25.00
US
1924
216.48
8.52
92
25.81
US
1925
188.35
7.42
112
9.68
US
1926
192.07
7.56
110
11.29
US
1927
276.56
10.89
13
89.52
US
1928
269.15
10.60
22
82.26
US
1929
239.72
9.44
55
55.65
US
1930
193.24
7.61
108
12.90
US
1931
135.00
5.31
123
0.81
US
1932
218.61
8.61
90
27.42
US
1933
239.69
9.44
56
54.84
US
1934
165.00
6.50
122
1.61
US
1935
234.80
9.24
65
47.58
US
1936
209.28
8.24
97
21.77
US
1937
229.46
9.03
72
41.94
US
1938
255.39
10.05
34
72.58
US
1939
205.32
8.08
101
18.55
US
1940
179.95
7.08
118
4.84
US
1941
184.75
7.27
115
7.26
US
1942
232.31
9.15
68
45.16
US
1943
260.85
10.27
29
76.61
US
1944
204.22
8.04
102
17.74
US
1945
255.23
10.05
35
71.77
US
1946
259.78
10.23
31
75.00
US
1947
242.37
9.54
54
56.45
US
1948
246.90
9.72
46
62.90
US
1949
258.09
10.16
32
74.19
US
1950
271.20
10.68
20
83.87
US
1951
267.02
10.51
24
80.65
US
1952
262.29
10.33
27
78.23
US
1953
218.72
8.61
89
28.23
US
1954
187.64
7.39
113
8.87
US
1955
192.48
7.58
109
12.10
US
1956
223.37
8.79
79
36.29
US
1957
223.19
8.79
80
35.48
US
1958
273.81
10.78
18
85.48
US
1959
205.81
8.10
100
19.35
US
1960
250.24
9.85
42
66.13
US
1961
237.57
9.35
59
52.42
US
1962
234.38
9.23
66
46.77
US
1963
183.88
7.24
116
6.45
US
1964
201.63
7.94
104
16.13
US
1965
236.25
9.30
63
49.19
US
1966
194.04
7.64
107
13.71
US
1967
212.15
8.35
94
24.19
US
1968
221.85
8.73
84
32.26
US
1969
253.64
9.99
36
70.97
US
1970
222.99
8.78
83
33.06
US
1971
243.47
9.59
51
58.87
US
1972
258.08
10.16
33
73.39
US
1973
317.36
12.49
4
96.77
US
1974
321.36
12.65
3
97.58
US
1975
291.91
11.49
10
91.94
US
1976
237.05
9.33
60
51.61
US
1977
172.38
6.79
120
3.23
US
1978
268.56
10.57
23
81.45
US
1979
275.39
10.84
14
88.71
US
1980
247.12
9.73
45
63.71
US
1981
176.88
6.96
119
4.03
US
1982
261.09
10.28
28
77.42
US
1983
325.05
12.80
2
98.39
US
1984
295.24
11.62
8
93.55
US
1985
220.74
8.69
85
31.45
US
1986
243.66
9.59
50
59.68
US
1987
225.93
8.89
77
37.90
US
1988
165.98
6.53
121
2.42
US
1989
234.91
9.25
64
48.39
US
1990
248.40
9.78
44
64.52
US
1991
264.12
10.40
25
79.84
US
1992
207.47
8.17
99
20.16
US
1993
296.61
11.68
6
95.16
US
1994
236.37
9.31
62
50.00
US
1995
262.44
10.33
26
79.03
US
1996
279.92
11.02
12
90.32
US
1997
309.01
12.17
5
95.97
US
1998
291.93
11.49
9
92.74
US
1999
243.40
9.58
52
58.06
US
2000
182.22
7.17
117
5.65
US
2001
186.00
7.32
114
8.06
US
2002
212.12
8.35
95
23.39
US
2003
252.73
9.95
37
70.16
US
2004
243.66
9.59
49
60.48
US
2005
251.70
9.91
39
68.55
US
2006
219.01
8.62
88
29.03
US
2007
223.00
8.78
82
33.87
US
2008
245.59
9.67
47
62.10
US
2009
231.88
9.13
70
43.55
US
2010
275.35
10.84
15
87.90
US
2011
273.72
10.78
19
84.68
US
2012
202.03
7.95
103
16.94
US
2013
233.97
9.21
67
45.97
US
2014
228.32
8.99
74
40.32
US
2015
230.23
9.06
71
42.74
US
2016
273.87
10.78
17
86.29
US
2017
274.37
10.80
16
87.10
US
2018
250.05
9.84
43
65.32
US
2019
347.83
13.69
1
99.19
US
2020
282.71
11.13
11
91.13
US
2021
239.52
9.43
57
54.03
US
2022
227.98
8.98
75
39.52
US
2023
227.88
8.97
76
38.71
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