Climate at a Glance

Regional 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 September 2021. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, January 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
January 1999
1-Month
5.25"
(133.35mm)
4.53"
(115.06mm)
0.72"
(18.29mm)
91st Driest Driest since: 1994 1985
37th Wettest Wettest since: 1998 1953
Dec 1998–Jan 1999
2-Month
11.44"
(290.58mm)
9.17"
(232.92mm)
2.27"
(57.66mm)
104th Driest Driest since: 1998 1977
23rd Wettest Wettest since: 1997 1965
Nov 1998–Jan 1999
3-Month
18.76"
(476.50mm)
13.53"
(343.66mm)
5.23"
(132.84mm)
118th Driest Driest since: 1998 1977
9th Wettest Wettest since: 1997 1974
Oct 1998–Jan 1999
4-Month
20.53"
(521.46mm)
16.08"
(408.43mm)
4.45"
(113.03mm)
115th Driest Driest since: 1998 1977
12th Wettest Wettest since: 1997 1997
Sep 1998–Jan 1999
5-Month
21.78"
(553.21mm)
17.50"
(444.50mm)
4.28"
(108.71mm)
115th Driest Driest since: 1998 1977
12th Wettest Wettest since: 1997 1974
Aug 1998–Jan 1999
6-Month
22.00"
(558.80mm)
18.31"
(465.07mm)
3.69"
(93.73mm)
113th Driest Driest since: 1998 1977
14th Wettest Wettest since: 1997 1974
Jul 1998–Jan 1999
7-Month
22.95"
(582.93mm)
19.04"
(483.62mm)
3.91"
(99.31mm)
111th Driest Driest since: 1998 1977
16th Wettest Wettest since: 1997 1956
Jun 1998–Jan 1999
8-Month
24.91"
(632.71mm)
20.76"
(527.30mm)
4.15"
(105.41mm)
113th Driest Driest since: 1998 1977
14th Wettest Wettest since: 1997 1956
May 1998–Jan 1999
9-Month
29.61"
(752.09mm)
22.91"
(581.91mm)
6.70"
(170.18mm)
119th Driest Driest since: 1998 1977
8th Wettest Wettest since: 1997 1997
Apr 1998–Jan 1999
10-Month
31.51"
(800.35mm)
25.27"
(641.86mm)
6.24"
(158.49mm)
118th Driest Driest since: 1998 1977
9th Wettest Wettest since: 1997 1997
Mar 1998–Jan 1999
11-Month
34.85"
(885.19mm)
28.53"
(724.66mm)
6.32"
(160.53mm)
118th Driest Driest since: 1998 1977
9th Wettest Wettest since: 1997 1997
Feb 1998–Jan 1999
12-Month
38.65"
(981.71mm)
32.13"
(816.10mm)
6.52"
(165.61mm)
118th Driest Driest since: 1998 1977
9th Wettest Wettest since: 1997 1997
Aug 1997–Jan 1999
18-Month
58.16"
(1,477.26mm)
50.47"
(1,281.94mm)
7.69"
(195.32mm)
116th Driest Driest since: 1995 1930
10th Wettest Wettest since: 1998 1997
Feb 1997–Jan 1999
24-Month
74.27"
(1,886.46mm)
64.28"
(1,632.71mm)
9.99"
(253.75mm)
119th Driest Driest since: 1996 1931
7th Wettest Wettest since: 1998 1997
Feb 1996–Jan 1999
36-Month
118.95"
(3,021.33mm)
96.31"
(2,446.27mm)
22.64"
(575.06mm)
123rd Driest Driest since: 1997 1931
2nd Wettest Wettest since: 1998 1998
Feb 1995–Jan 1999
48-Month
159.93"
(4,062.22mm)
128.35"
(3,260.09mm)
31.58"
(802.13mm)
123rd Driest Driest since: 1998 1932
1st Wettest Wettest to Date 1999
Feb 1994–Jan 1999
60-Month
192.23"
(4,882.64mm)
160.30"
(4,071.62mm)
31.93"
(811.02mm)
121st Driest Driest since: 1998 1933
2nd Wettest Wettest to Date 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2021, retrieved on October 24, 2021 from https://www.ncdc.noaa.gov/cag/