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 1930

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 1930
1-Month
1.67"
(42.42mm)
4.63"
(117.60mm)
-2.96"
(-75.18mm)
2nd Driest Driest to Date 1976
123rd Wettest Wettest since: 1929 1964
Nov–Dec 1930
2-Month
4.24"
(107.70mm)
8.97"
(227.84mm)
-4.73"
(-120.14mm)
3rd Driest Driest to Date 1976
122nd Wettest Wettest since: 1929 1996
Oct–Dec 1930
3-Month
6.43"
(163.32mm)
11.51"
(292.35mm)
-5.08"
(-129.03mm)
5th Driest Driest to Date 1976
120th Wettest Wettest since: 1929 1996
Sep–Dec 1930
4-Month
8.04"
(204.22mm)
12.93"
(328.42mm)
-4.89"
(-124.20mm)
6th Driest Driest to Date 1976
119th Wettest Wettest since: 1929 1996
Aug–Dec 1930
5-Month
8.76"
(222.50mm)
13.73"
(348.74mm)
-4.97"
(-126.24mm)
6th Driest Driest to Date 1936
119th Wettest Wettest since: 1929 1996
Jul–Dec 1930
6-Month
8.97"
(227.84mm)
14.46"
(367.28mm)
-5.49"
(-139.44mm)
5th Driest Driest since: 1929 1936
120th Wettest Wettest since: 1929 1996
Ties: 1929
Jun–Dec 1930
7-Month
10.04"
(255.02mm)
16.18"
(410.97mm)
-6.14"
(-155.95mm)
4th Driest Driest to Date 1976
121st Wettest Wettest since: 1929 1996
May–Dec 1930
8-Month
12.37"
(314.20mm)
18.32"
(465.33mm)
-5.95"
(-151.13mm)
6th Driest Driest since: 1929 1935
119th Wettest Wettest since: 1927 1996
Apr–Dec 1930
9-Month
14.62"
(371.35mm)
20.67"
(525.02mm)
-6.05"
(-153.67mm)
5th Driest Driest to Date 1976
120th Wettest Wettest since: 1929 1996
Mar–Dec 1930
10-Month
16.68"
(423.67mm)
23.93"
(607.82mm)
-7.25"
(-184.15mm)
3rd Driest Driest to Date 1976
122nd Wettest Wettest since: 1929 1996
Feb–Dec 1930
11-Month
20.96"
(532.38mm)
27.54"
(699.52mm)
-6.58"
(-167.14mm)
6th Driest Driest since: 1929 1935
119th Wettest Wettest since: 1928 1996
Jan–Dec 1930
12-Month
23.73"
(602.74mm)
32.07"
(814.58mm)
-8.34"
(-211.84mm)
3rd Driest Driest since: 1929 1929
122nd Wettest Wettest since: 1928 1996
Jul 1929–Dec 1930
18-Month
32.70"
(830.58mm)
46.58"
(1,183.13mm)
-13.88"
(-352.55mm)
2nd Driest Driest since: 1929 1929
122nd Wettest Wettest since: 1928 1996
Jan 1929–Dec 1930
24-Month
46.09"
(1,170.69mm)
64.19"
(1,630.43mm)
-18.10"
(-459.74mm)
1st Driest Driest to Date 1930
123rd Wettest Wettest since: 1929 1996
Jan 1928–Dec 1930
36-Month
71.64"
(1,819.66mm)
96.33"
(2,446.78mm)
-24.69"
(-627.12mm)
1st Driest Driest to Date 1930
122nd Wettest Wettest since: 1929 1997
Jan 1927–Dec 1930
48-Month
108.28"
(2,750.31mm)
128.33"
(3,259.58mm)
-20.05"
(-509.27mm)
2nd Driest Driest to Date 1931
120th Wettest Wettest since: 1929 1998
Jan 1926–Dec 1930
60-Month
138.59"
(3,520.19mm)
160.34"
(4,072.64mm)
-21.75"
(-552.45mm)
3rd Driest Driest to Date 1932
118th Wettest Wettest since: 1929 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/