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 July 2019. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, July 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1978
1-Month
1.14"
(28.96mm)
0.73"
(18.54mm)
0.41"
(10.42mm)
108th Driest Driest since: 1977 2018
18th Wettest Wettest since: 1974 1983
Jun–Jul 1978
2-Month
2.30"
(58.42mm)
2.45"
(62.23mm)
-0.15"
(-3.81mm)
65th Driest Driest since: 1977 1919
61st Wettest Wettest since: 1975 1913
Ties: 1929, 1953
May–Jul 1978
3-Month
4.57"
(116.08mm)
4.59"
(116.59mm)
-0.02"
(-0.51mm)
75th Driest Driest since: 1976 1924
51st Wettest Wettest since: 1977 1948
Apr–Jul 1978
4-Month
8.50"
(215.90mm)
6.95"
(176.53mm)
1.55"
(39.37mm)
103rd Driest Driest since: 1977 1924
23rd Wettest Wettest since: 1963 1993
Mar–Jul 1978
5-Month
10.69"
(271.53mm)
10.21"
(259.33mm)
0.48"
(12.20mm)
72nd Driest Driest since: 1977 1924
54th Wettest Wettest since: 1975 1993
Ties: 1975
Feb–Jul 1978
6-Month
13.95"
(354.33mm)
13.82"
(351.03mm)
0.13"
(3.30mm)
72nd Driest Driest since: 1977 1924
54th Wettest Wettest since: 1975 1904
Jan–Jul 1978
7-Month
18.19"
(462.03mm)
18.35"
(466.09mm)
-0.16"
(-4.06mm)
63rd Driest Driest since: 1977 1924
63rd Wettest Wettest since: 1975 1904
Dec 1977–Jul 1978
8-Month
25.59"
(649.99mm)
22.99"
(583.95mm)
2.60"
(66.04mm)
94th Driest Driest since: 1977 1977
31st Wettest Wettest since: 1975 1997
Nov 1977–Jul 1978
9-Month
31.00"
(787.40mm)
27.34"
(694.44mm)
3.66"
(92.96mm)
102nd Driest Driest since: 1977 1977
23rd Wettest Wettest since: 1974 1997
Oct 1977–Jul 1978
10-Month
32.71"
(830.83mm)
29.90"
(759.46mm)
2.81"
(71.37mm)
95th Driest Driest since: 1977 1977
30th Wettest Wettest since: 1974 1997
Sep 1977–Jul 1978
11-Month
35.32"
(897.13mm)
31.32"
(795.53mm)
4.00"
(101.60mm)
102nd Driest Driest since: 1977 1977
23rd Wettest Wettest since: 1974 1997
Aug 1977–Jul 1978
12-Month
37.19"
(944.63mm)
32.13"
(816.10mm)
5.06"
(128.53mm)
105th Driest Driest since: 1977 1977
20th Wettest Wettest since: 1974 1997
Feb 1977–Jul 1978
18-Month
48.52"
(1,232.41mm)
45.95"
(1,167.13mm)
2.57"
(65.28mm)
89th Driest Driest since: 1977 1977
36th Wettest Wettest since: 1976 1997
Aug 1976–Jul 1978
24-Month
57.09"
(1,450.09mm)
64.28"
(1,632.71mm)
-7.19"
(-182.62mm)
15th Driest Driest since: 1977 1930
109th Wettest Wettest since: 1976 1997
Aug 1975–Jul 1978
36-Month
91.73"
(2,329.94mm)
96.37"
(2,447.80mm)
-4.64"
(-117.86mm)
32nd Driest Driest since: 1977 1931
91st Wettest Wettest since: 1976 1997
Aug 1974–Jul 1978
48-Month
123.41"
(3,134.61mm)
128.41"
(3,261.61mm)
-5.00"
(-127.00mm)
36th Driest Driest since: 1947 1931
86th Wettest Wettest since: 1977 1999
Aug 1973–Jul 1978
60-Month
166.57"
(4,230.88mm)
160.38"
(4,073.65mm)
6.19"
(157.23mm)
93rd Driest Driest since: 1977 1933
28th Wettest Wettest since: 1976 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published August 2019, retrieved on August 24, 2019 from https://www.ncdc.noaa.gov/cag/