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


Northwest Climate Region

Precipitation Rankings, September 1974

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1974
1-Month
0.22"
(5.59mm)
1.42"
(36.07mm)
-1.20"
(-30.48mm)
4th Driest Driest since: 1943 1975
122nd Wettest Wettest since: 1973 2013
Ties: 1943
Aug–Sep 1974
2-Month
0.62"
(15.75mm)
2.22"
(56.39mm)
-1.60"
(-40.64mm)
2nd Driest Driest to Date 2012
124th Wettest Wettest since: 1973 2013
Jul–Sep 1974
3-Month
1.85"
(46.99mm)
2.95"
(74.93mm)
-1.10"
(-27.94mm)
19th Driest Driest since: 1967 1929
107th Wettest Wettest since: 1973 1978
Jun–Sep 1974
4-Month
2.76"
(70.10mm)
4.67"
(118.62mm)
-1.91"
(-48.52mm)
7th Driest Driest since: 1935 2003
119th Wettest Wettest since: 1973 1941
May–Sep 1974
5-Month
4.31"
(109.47mm)
6.81"
(172.97mm)
-2.50"
(-63.50mm)
8th Driest Driest since: 1935 1928
118th Wettest Wettest since: 1973 1941
Apr–Sep 1974
6-Month
6.87"
(174.50mm)
9.17"
(232.92mm)
-2.30"
(-58.42mm)
13th Driest Driest since: 1966 1924
113th Wettest Wettest since: 1973 1948
Ties: 2007
Mar–Sep 1974
7-Month
12.24"
(310.90mm)
12.43"
(315.72mm)
-0.19"
(-4.82mm)
54th Driest Driest since: 1973 1924
72nd Wettest Wettest since: 1972 1948
Feb–Sep 1974
8-Month
16.12"
(409.45mm)
16.04"
(407.42mm)
0.08"
(2.03mm)
72nd Driest Driest since: 1973 1924
54th Wettest Wettest since: 1972 1983
Jan–Sep 1974
9-Month
22.80"
(579.12mm)
20.57"
(522.48mm)
2.23"
(56.64mm)
96th Driest Driest since: 1973 1924
30th Wettest Wettest since: 1972 1983
Dec 1973–Sep 1974
10-Month
29.61"
(752.09mm)
25.21"
(640.33mm)
4.40"
(111.76mm)
109th Driest Driest since: 1973 2001
16th Wettest Wettest since: 1972 1997
Nov 1973–Sep 1974
11-Month
38.58"
(979.93mm)
29.56"
(750.82mm)
9.02"
(229.11mm)
123rd Driest Driest since: 1973 2001
2nd Wettest Wettest to Date 1997
Oct 1973–Sep 1974
12-Month
41.14"
(1,044.96mm)
32.12"
(815.85mm)
9.02"
(229.11mm)
123rd Driest Driest since: 1973 1977
2nd Wettest Wettest to Date 1997
Apr 1973–Sep 1974
18-Month
48.39"
(1,229.11mm)
41.30"
(1,049.02mm)
7.09"
(180.09mm)
115th Driest Driest since: 1973 1929, 2001
10th Wettest Wettest since: 1956 1997
Oct 1972–Sep 1974
24-Month
66.04"
(1,677.42mm)
64.26"
(1,632.20mm)
1.78"
(45.22mm)
82nd Driest Driest since: 1973 1930
42nd Wettest Wettest since: 1972 1997
Oct 1971–Sep 1974
36-Month
104.00"
(2,641.60mm)
96.34"
(2,447.04mm)
7.66"
(194.56mm)
108th Driest Driest since: 1973 1931
15th Wettest Wettest since: 1972 1997
Oct 1970–Sep 1974
48-Month
142.76"
(3,626.10mm)
128.40"
(3,261.36mm)
14.36"
(364.74mm)
113th Driest Driest since: 1973 1931
9th Wettest Wettest since: 1972 1998
Oct 1969–Sep 1974
60-Month
174.51"
(4,432.55mm)
160.37"
(4,073.40mm)
14.14"
(359.15mm)
111th Driest Driest since: 1973 1932
10th Wettest Wettest since: 1972 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published December 2019, retrieved on December 11, 2019 from https://www.ncdc.noaa.gov/cag/