Contiguous U.S. December 2017 Precipitation Rankings
1901-2000
Inches
1
1.59
2.35
-0.76
11
119
1930
2015
1989
2016
bottom-tenth
2
3.21
4.58
-1.37
8
122
1976
2015
1999
2016
bottom-tenth
3
5.81
6.74
-0.93
25
105
1917
2015
1999
2016
bottom-third
4
8.08
9.23
-1.15
24
106
1939
2018
1999
2016
bottom-third
5
11.50
11.85
-0.35
45
85
1917
2018
2012
2016
normal
1896,1987
6
14.30
14.62
-0.32
46
84
1917
2018
2012
2016
normal
1912
7
17.37
17.55
-0.18
52
78
1917
2018
2012
2016
normal
8
20.73
20.46
0.27
70
60
1917
2015
2012
2016
normal
9
24.23
22.98
1.25
94
36
1956
2015
2012
2016
top-third
10
26.82
25.49
1.33
95
35
1956
2015
2013
2016
top-third
11
29.07
27.62
1.45
93
37
1910
2018
2013
2016
top-third
12
32.31
29.94
2.37
109
21
1910
1973
2016
2015
top-third
18
48.29
44.58
3.71
113
16
1954
2019
2014
2016
top-third
24
63.73
59.90
3.83
107
22
1931
2019
2014
2016
top-third
36
98.32
89.86
8.46
120
8
1956
2019
2016
1998
top-tenth
48
129.17
119.78
9.39
117
10
1956
2019
2016
1998
top-tenth
60
160.23
149.68
10.55
115
11
1956
2019
2016
1999
top-tenth