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 2019. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, December 1998

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 1998
1-Month
6.19"
(157.23mm)
4.63"
(117.60mm)
1.56"
(39.63mm)
104th Driest Driest since: 1997 1976
21st Wettest Wettest since: 1996 1964
Nov–Dec 1998
2-Month
13.51"
(343.15mm)
8.97"
(227.84mm)
4.54"
(115.31mm)
118th Driest Driest since: 1997 1976
7th Wettest Wettest since: 1996 1996
Oct–Dec 1998
3-Month
15.28"
(388.11mm)
11.51"
(292.35mm)
3.77"
(95.76mm)
111th Driest Driest since: 1997 1976
14th Wettest Wettest since: 1996 1996
Sep–Dec 1998
4-Month
16.53"
(419.86mm)
12.93"
(328.42mm)
3.60"
(91.44mm)
109th Driest Driest since: 1997 1976
16th Wettest Wettest since: 1996 1996
Aug–Dec 1998
5-Month
16.75"
(425.45mm)
13.73"
(348.74mm)
3.02"
(76.71mm)
101st Driest Driest since: 1997 1936
24th Wettest Wettest since: 1996 1996
Jul–Dec 1998
6-Month
17.70"
(449.58mm)
14.46"
(367.28mm)
3.24"
(82.30mm)
103rd Driest Driest since: 1997 1936
22nd Wettest Wettest since: 1996 1996
Jun–Dec 1998
7-Month
19.66"
(499.36mm)
16.18"
(410.97mm)
3.48"
(88.39mm)
103rd Driest Driest since: 1997 1976
22nd Wettest Wettest since: 1996 1996
May–Dec 1998
8-Month
24.36"
(618.74mm)
18.32"
(465.33mm)
6.04"
(153.41mm)
121st Driest Driest since: 1997 1935
4th Wettest Wettest since: 1996 1996
Apr–Dec 1998
9-Month
26.26"
(667.00mm)
20.67"
(525.02mm)
5.59"
(141.98mm)
112th Driest Driest since: 1997 1976
13th Wettest Wettest since: 1996 1996
Mar–Dec 1998
10-Month
29.60"
(751.84mm)
23.93"
(607.82mm)
5.67"
(144.02mm)
113th Driest Driest since: 1997 1976
12th Wettest Wettest since: 1996 1996
Feb–Dec 1998
11-Month
33.40"
(848.36mm)
27.54"
(699.52mm)
5.86"
(148.84mm)
115th Driest Driest since: 1997 1935
10th Wettest Wettest since: 1996 1996
Jan–Dec 1998
12-Month
39.76"
(1,009.90mm)
32.07"
(814.58mm)
7.69"
(195.32mm)
119th Driest Driest since: 1997 1929
6th Wettest Wettest since: 1996 1996
Jul 1997–Dec 1998
18-Month
54.38"
(1,381.25mm)
46.58"
(1,183.13mm)
7.80"
(198.12mm)
112th Driest Driest since: 1994 1929
12th Wettest Wettest since: 1997 1996
Jan 1997–Dec 1998
24-Month
74.91"
(1,902.71mm)
64.19"
(1,630.43mm)
10.72"
(272.28mm)
117th Driest Driest since: 1995 1930
7th Wettest Wettest since: 1997 1996
Jan 1996–Dec 1998
36-Month
119.78"
(3,042.41mm)
96.33"
(2,446.78mm)
23.45"
(595.63mm)
121st Driest Driest since: 1996 1930
2nd Wettest Wettest since: 1997 1997
Jan 1995–Dec 1998
48-Month
160.36"
(4,073.14mm)
128.33"
(3,259.58mm)
32.03"
(813.56mm)
121st Driest Driest since: 1997 1931
1st Wettest Wettest to Date 1998
Jan 1994–Dec 1998
60-Month
189.96"
(4,824.98mm)
160.34"
(4,072.64mm)
29.62"
(752.34mm)
119th Driest Driest since: 1997 1932
2nd Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/