Climate at a Glance

National Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of April 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, December 1999

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1999
1-Month
1.73"
(43.94mm)
2.35"
(59.69mm)
-0.62"
(-15.75mm)
20th Driest Driest since: 1989 1930
108th Wettest Wettest since: 1998 2015
Ties: 1908
Nov–Dec 1999
2-Month
3.17"
(80.52mm)
4.58"
(116.33mm)
-1.41"
(-35.81mm)
5th Driest Driest since: 1989 1976
123rd Wettest Wettest since: 1998 2015
Oct–Dec 1999
3-Month
4.74"
(120.40mm)
6.74"
(171.20mm)
-2.00"
(-50.80mm)
3rd Driest Driest since: 1939 1917
125th Wettest Wettest since: 1998 2015
Sep–Dec 1999
4-Month
7.26"
(184.40mm)
9.23"
(234.44mm)
-1.97"
(-50.04mm)
8th Driest Driest since: 1956 1939
120th Wettest Wettest since: 1998 2018
Ties: 1908
Aug–Dec 1999
5-Month
9.56"
(242.82mm)
11.85"
(300.99mm)
-2.29"
(-58.17mm)
8th Driest Driest since: 1976 1917
120th Wettest Wettest since: 1998 2018
Jul–Dec 1999
6-Month
12.14"
(308.36mm)
14.62"
(371.35mm)
-2.48"
(-62.99mm)
8th Driest Driest since: 1976 1917
120th Wettest Wettest since: 1998 2018
Jun–Dec 1999
7-Month
15.45"
(392.43mm)
17.55"
(445.77mm)
-2.10"
(-53.34mm)
15th Driest Driest since: 1980 1917
113th Wettest Wettest since: 1998 2018
May–Dec 1999
8-Month
18.36"
(466.34mm)
20.46"
(519.68mm)
-2.10"
(-53.34mm)
18th Driest Driest since: 1988 1917
110th Wettest Wettest since: 1998 2015
Apr–Dec 1999
9-Month
21.23"
(539.24mm)
22.98"
(583.69mm)
-1.75"
(-44.45mm)
26th Driest Driest since: 1988 1956
102nd Wettest Wettest since: 1998 2015
Mar–Dec 1999
10-Month
23.42"
(594.87mm)
25.49"
(647.45mm)
-2.07"
(-52.58mm)
19th Driest Driest since: 1988 1956
109th Wettest Wettest since: 1998 2015
Feb–Dec 1999
11-Month
25.34"
(643.64mm)
27.62"
(701.55mm)
-2.28"
(-57.91mm)
19th Driest Driest since: 1988 1910
109th Wettest Wettest since: 1998 2018
Jan–Dec 1999
12-Month
28.47"
(723.14mm)
29.94"
(760.48mm)
-1.47"
(-37.34mm)
27th Driest Driest since: 1988 1910
101st Wettest Wettest since: 1998 1973
Jul 1998–Dec 1999
18-Month
43.94"
(1,116.08mm)
44.58"
(1,132.33mm)
-0.64"
(-16.25mm)
42nd Driest Driest since: 1989 1954
85th Wettest Wettest since: 1998 2019
Jan 1998–Dec 1999
24-Month
62.36"
(1,583.94mm)
59.90"
(1,521.46mm)
2.46"
(62.48mm)
92nd Driest Driest since: 1990 1931
35th Wettest Wettest since: 1998 2019
Jan 1997–Dec 1999
36-Month
94.22"
(2,393.19mm)
89.86"
(2,282.44mm)
4.36"
(110.75mm)
100th Driest Driest since: 1991 1956
26th Wettest Wettest since: 1998 2019
Jan 1996–Dec 1999
48-Month
127.92"
(3,249.17mm)
119.78"
(3,042.41mm)
8.14"
(206.76mm)
112th Driest Driest since: 1995 1956
13th Wettest Wettest since: 1998 2019
Ties: 2016
Jan 1995–Dec 1999
60-Month
160.61"
(4,079.49mm)
149.68"
(3,801.87mm)
10.93"
(277.62mm)
114th Driest Driest since: 1995 1956
10th Wettest Wettest since: 1998 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2022, retrieved on May 19, 2022 from https://www.ncdc.noaa.gov/cag/