Contiguous U.S., Precipitation Rankings, December 2019
1901-2000
Inches
1
2.57
2.35
0.22
78
51
1930
2015
2017
2018
normal
2006
2
4.51
4.58
-0.07
54
75
1976
2015
2017
2018
normal
2005
3
7.70
6.74
0.96
99
30
1917
2015
2017
2018
top-third
4
10.15
9.23
0.92
96
33
1939
2018
2017
2018
top-third
1942
5
12.93
11.85
1.08
97
32
1917
2018
2017
2018
top-third
6
15.69
14.62
1.07
95
34
1917
2018
2017
2018
top-third
1923
7
19.06
17.55
1.51
104
25
1917
2018
2017
2018
top-third
8
23.53
20.46
3.07
121
8
1917
2015
2017
2018
top-tenth
9
26.74
22.98
3.76
122
7
1956
2015
2017
2018
top-tenth
10
28.98
25.49
3.49
121
8
1956
2015
2017
2018
top-tenth
11
32.26
27.62
4.64
124
5
1910
2018
2017
2018
top-tenth
12
34.82
29.94
4.88
127
2
1910
1973
2018
1973
top-tenth
18
53.62
44.58
9.04
127
1
1954
2019
2018
2019
highest
24
69.47
59.90
9.57
127
1
1931
2019
2018
2019
highest
36
101.78
89.86
11.92
126
1
1956
2019
2018
2019
highest
48
133.20
119.78
13.42
125
1
1956
2019
2018
2019
highest
60
167.79
149.68
18.11
124
1
1956
2019
2018
2019
highest