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, December 1978

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
(1895-2020)
Wettest/Driest
Since
Record
December 1978
1-Month
3.01"
(76.45mm)
4.63"
(117.60mm)
-1.62"
(-41.15mm)
22nd Driest Driest since: 1976 1976
105th Wettest Wettest since: 1977 1964
Ties: 1988
Nov–Dec 1978
2-Month
5.99"
(152.15mm)
8.97"
(227.84mm)
-2.98"
(-75.69mm)
18th Driest Driest since: 1976 1976
109th Wettest Wettest since: 1977 1996
Oct–Dec 1978
3-Month
6.37"
(161.80mm)
11.51"
(292.35mm)
-5.14"
(-130.55mm)
4th Driest Driest since: 1976 1976
123rd Wettest Wettest since: 1977 1996
Sep–Dec 1978
4-Month
9.06"
(230.12mm)
12.93"
(328.42mm)
-3.87"
(-98.30mm)
11th Driest Driest since: 1976 1976
116th Wettest Wettest since: 1977 1996
Aug–Dec 1978
5-Month
10.78"
(273.81mm)
13.73"
(348.74mm)
-2.95"
(-74.93mm)
20th Driest Driest since: 1976 1936
107th Wettest Wettest since: 1977 1996
Jul–Dec 1978
6-Month
11.92"
(302.77mm)
14.46"
(367.28mm)
-2.54"
(-64.51mm)
26th Driest Driest since: 1976 1936
101st Wettest Wettest since: 1977 1996
Jun–Dec 1978
7-Month
13.08"
(332.23mm)
16.18"
(410.97mm)
-3.10"
(-78.74mm)
25th Driest Driest since: 1976 1976
102nd Wettest Wettest since: 1977 1996
May–Dec 1978
8-Month
15.35"
(389.89mm)
18.32"
(465.33mm)
-2.97"
(-75.44mm)
26th Driest Driest since: 1976 1935
101st Wettest Wettest since: 1977 1996
Apr–Dec 1978
9-Month
19.28"
(489.71mm)
20.67"
(525.02mm)
-1.39"
(-35.31mm)
48th Driest Driest since: 1976 1976
79th Wettest Wettest since: 1977 1996
Mar–Dec 1978
10-Month
21.47"
(545.34mm)
23.93"
(607.82mm)
-2.46"
(-62.48mm)
37th Driest Driest since: 1976 1976
90th Wettest Wettest since: 1977 1996
Feb–Dec 1978
11-Month
24.73"
(628.14mm)
27.54"
(699.52mm)
-2.81"
(-71.38mm)
36th Driest Driest since: 1976 1935
91st Wettest Wettest since: 1977 1996
Jan–Dec 1978
12-Month
28.97"
(735.84mm)
32.07"
(814.58mm)
-3.10"
(-78.74mm)
33rd Driest Driest since: 1976 1929
94th Wettest Wettest since: 1977 1996
Jul 1977–Dec 1978
18-Month
48.78"
(1,239.01mm)
46.58"
(1,183.13mm)
2.20"
(55.88mm)
88th Driest Driest since: 1977 1929
38th Wettest Wettest since: 1975 1996
Jan 1977–Dec 1978
24-Month
60.72"
(1,542.29mm)
64.19"
(1,630.43mm)
-3.47"
(-88.14mm)
36th Driest Driest since: 1977 1930
90th Wettest Wettest since: 1976 1996
Jan 1976–Dec 1978
36-Month
85.46"
(2,170.68mm)
96.33"
(2,446.78mm)
-10.87"
(-276.10mm)
9th Driest Driest since: 1936 1930
116th Wettest Wettest since: 1977 1997
Jan 1975–Dec 1978
48-Month
123.37"
(3,133.60mm)
128.33"
(3,259.58mm)
-4.96"
(-125.98mm)
35th Driest Driest since: 1946 1931
89th Wettest Wettest since: 1977 1998
Jan 1974–Dec 1978
60-Month
156.37"
(3,971.80mm)
160.34"
(4,072.64mm)
-3.97"
(-100.84mm)
44th Driest Driest since: 1969 1932
79th Wettest Wettest since: 1977 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2021, retrieved on October 18, 2021 from https://www.ncdc.noaa.gov/cag/