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 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
December 1977
1-Month
7.40"
(187.96mm)
4.63"
(117.60mm)
2.77"
(70.36mm)
119th Driest Driest since: 1976 1976
8th Wettest Wettest since: 1964 1964
Nov–Dec 1977
2-Month
12.81"
(325.37mm)
8.97"
(227.84mm)
3.84"
(97.53mm)
113th Driest Driest since: 1976 1976
14th Wettest Wettest since: 1973 1996
Oct–Dec 1977
3-Month
14.52"
(368.81mm)
11.51"
(292.35mm)
3.01"
(76.46mm)
105th Driest Driest since: 1976 1976
22nd Wettest Wettest since: 1975 1996
Sep–Dec 1977
4-Month
17.13"
(435.10mm)
12.93"
(328.42mm)
4.20"
(106.68mm)
120th Driest Driest since: 1976 1976
7th Wettest Wettest since: 1973 1996
Aug–Dec 1977
5-Month
19.00"
(482.60mm)
13.73"
(348.74mm)
5.27"
(133.86mm)
122nd Driest Driest since: 1976 1936
5th Wettest Wettest since: 1973 1996
Jul–Dec 1977
6-Month
19.81"
(503.17mm)
14.46"
(367.28mm)
5.35"
(135.89mm)
122nd Driest Driest since: 1976 1936
5th Wettest Wettest since: 1973 1996
Ties: 1964
Jun–Dec 1977
7-Month
20.99"
(533.15mm)
16.18"
(410.97mm)
4.81"
(122.18mm)
117th Driest Driest since: 1976 1976
10th Wettest Wettest since: 1973 1996
Ties: 1950
May–Dec 1977
8-Month
24.45"
(621.03mm)
18.32"
(465.33mm)
6.13"
(155.70mm)
124th Driest Driest since: 1976 1935
3rd Wettest Wettest since: 1955 1996
Apr–Dec 1977
9-Month
25.17"
(639.32mm)
20.67"
(525.02mm)
4.50"
(114.30mm)
110th Driest Driest since: 1976 1976
17th Wettest Wettest since: 1973 1996
Mar–Dec 1977
10-Month
28.47"
(723.14mm)
23.93"
(607.82mm)
4.54"
(115.32mm)
111th Driest Driest since: 1976 1976
16th Wettest Wettest since: 1964 1996
Feb–Dec 1977
11-Month
30.33"
(770.38mm)
27.54"
(699.52mm)
2.79"
(70.86mm)
94th Driest Driest since: 1976 1935
33rd Wettest Wettest since: 1975 1996
Jan–Dec 1977
12-Month
31.75"
(806.45mm)
32.07"
(814.58mm)
-0.32"
(-8.13mm)
63rd Driest Driest since: 1976 1929
64th Wettest Wettest since: 1975 1996
Jul 1976–Dec 1977
18-Month
39.83"
(1,011.68mm)
46.58"
(1,183.13mm)
-6.75"
(-171.45mm)
13th Driest Driest since: 1944 1929
113th Wettest Wettest since: 1976 1996
Jan 1976–Dec 1977
24-Month
56.49"
(1,434.85mm)
64.19"
(1,630.43mm)
-7.70"
(-195.58mm)
12th Driest Driest since: 1944 1930
114th Wettest Wettest since: 1976 1996
Jan 1975–Dec 1977
36-Month
94.40"
(2,397.76mm)
96.33"
(2,446.78mm)
-1.93"
(-49.02mm)
47th Driest Driest since: 1967 1930
78th Wettest Wettest since: 1976 1997
Jan 1974–Dec 1977
48-Month
127.40"
(3,235.96mm)
128.33"
(3,259.58mm)
-0.93"
(-23.62mm)
62nd Driest Driest since: 1969 1931
62nd Wettest Wettest since: 1976 1998
Jan 1973–Dec 1977
60-Month
160.51"
(4,076.95mm)
160.34"
(4,072.64mm)
0.17"
(4.31mm)
61st Driest Driest since: 1969 1932
62nd Wettest Wettest since: 1976 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2021, retrieved on October 28, 2021 from https://www.ncdc.noaa.gov/cag/