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 July 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, October 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
October 1999
1-Month
1.57"
(39.88mm)
2.16"
(54.86mm)
-0.59"
(-14.98mm)
19th Driest Driest since: 1988 1952
106th Wettest Wettest since: 1998 2009
Sep–Oct 1999
2-Month
4.09"
(103.89mm)
4.65"
(118.11mm)
-0.56"
(-14.22mm)
29th Driest Driest since: 1992 1952
96th Wettest Wettest since: 1998 2018
Ties: 1901
Aug–Oct 1999
3-Month
6.39"
(162.31mm)
7.27"
(184.66mm)
-0.88"
(-22.35mm)
18th Driest Driest since: 1987 1952
107th Wettest Wettest since: 1998 2018
Jul–Oct 1999
4-Month
8.97"
(227.84mm)
10.05"
(255.27mm)
-1.08"
(-27.43mm)
18th Driest Driest since: 1987 1952
107th Wettest Wettest since: 1998 1941
Jun–Oct 1999
5-Month
12.28"
(311.91mm)
12.97"
(329.44mm)
-0.69"
(-17.53mm)
35th Driest Driest since: 1988 1952
90th Wettest Wettest since: 1998 1941
Ties: 1955
May–Oct 1999
6-Month
15.19"
(385.83mm)
15.88"
(403.35mm)
-0.69"
(-17.52mm)
33rd Driest Driest since: 1988 1952
92nd Wettest Wettest since: 1998 1941
Apr–Oct 1999
7-Month
18.06"
(458.72mm)
18.40"
(467.36mm)
-0.34"
(-8.64mm)
46th Driest Driest since: 1988 1952
79th Wettest Wettest since: 1998 1941
Ties: 1962
Mar–Oct 1999
8-Month
20.25"
(514.35mm)
20.91"
(531.11mm)
-0.66"
(-16.76mm)
41st Driest Driest since: 1988 1956
84th Wettest Wettest since: 1998 2009
Ties: 1921
Feb–Oct 1999
9-Month
22.17"
(563.12mm)
23.04"
(585.22mm)
-0.87"
(-22.10mm)
35th Driest Driest since: 1988 1934
90th Wettest Wettest since: 1998 2018
Jan–Oct 1999
10-Month
25.30"
(642.62mm)
25.36"
(644.14mm)
-0.06"
(-1.52mm)
56th Driest Driest since: 1992 1934
69th Wettest Wettest since: 1998 1998
Dec 1998–Oct 1999
11-Month
27.38"
(695.45mm)
27.70"
(703.58mm)
-0.32"
(-8.13mm)
48th Driest Driest since: 1988 1931
76th Wettest Wettest since: 1998 2017
Ties: 1922, 2007
Nov 1998–Oct 1999
12-Month
30.01"
(762.25mm)
29.93"
(760.22mm)
0.08"
(2.03mm)
59th Driest Driest since: 1994 1934
65th Wettest Wettest since: 1998 1973
May 1998–Oct 1999
18-Month
46.71"
(1,186.43mm)
45.83"
(1,164.08mm)
0.88"
(22.35mm)
71st Driest Driest since: 1989 1931
53rd Wettest Wettest since: 1998 2016
Nov 1997–Oct 1999
24-Month
63.79"
(1,620.27mm)
59.90"
(1,521.46mm)
3.89"
(98.81mm)
105th Driest Driest since: 1995 1931
18th Wettest Wettest since: 1998 2017
Ties: 2010
Nov 1996–Oct 1999
36-Month
97.34"
(2,472.44mm)
89.86"
(2,282.44mm)
7.48"
(190.00mm)
112th Driest Driest since: 1996 1956
10th Wettest Wettest since: 1998 1975
Nov 1995–Oct 1999
48-Month
129.37"
(3,286.00mm)
119.78"
(3,042.41mm)
9.59"
(243.59mm)
114th Driest Driest since: 1997 1956
7th Wettest Wettest since: 1998 1998
Nov 1994–Oct 1999
60-Month
162.53"
(4,128.26mm)
149.66"
(3,801.36mm)
12.87"
(326.90mm)
118th Driest Driest since: 1998 1934
2nd Wettest Wettest since: 1997 1997

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 22, 2019 from https://www.ncdc.noaa.gov/cag/