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 May 2021. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, September 1902

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
September 1902
1-Month
0.99"
(25.15mm)
1.42"
(36.07mm)
-0.43"
(-10.92mm)
37th Driest Driest since: 1896 1975
90th Wettest Wettest since: 1901 2013
Aug–Sep 1902
2-Month
1.46"
(37.08mm)
2.22"
(56.39mm)
-0.76"
(-19.31mm)
29th Driest Driest to Date 2012
98th Wettest Wettest since: 1901 2013
Jul–Sep 1902
3-Month
2.96"
(75.18mm)
2.95"
(74.93mm)
0.01"
(0.25mm)
75th Driest Driest since: 1900 1929
52nd Wettest Wettest since: 1901 1978
Jun–Sep 1902
4-Month
3.68"
(93.47mm)
4.67"
(118.62mm)
-0.99"
(-25.15mm)
36th Driest Driest to Date 2003
91st Wettest Wettest since: 1901 1941
May–Sep 1902
5-Month
6.23"
(158.24mm)
6.81"
(172.97mm)
-0.58"
(-14.73mm)
48th Driest Driest to Date 1928
79th Wettest Wettest since: 1901 1941
Apr–Sep 1902
6-Month
9.36"
(237.74mm)
9.17"
(232.92mm)
0.19"
(4.82mm)
71st Driest Driest since: 1901 1924
56th Wettest Wettest since: 1900 1948
Mar–Sep 1902
7-Month
12.61"
(320.29mm)
12.43"
(315.72mm)
0.18"
(4.57mm)
68th Driest Driest since: 1901 1924
59th Wettest Wettest since: 1899 1948
Feb–Sep 1902
8-Month
19.37"
(492.00mm)
16.04"
(407.42mm)
3.33"
(84.58mm)
113th Driest Driest since: 1901 1924
14th Wettest Wettest to Date 1983
Jan–Sep 1902
9-Month
22.12"
(561.85mm)
20.57"
(522.48mm)
1.55"
(39.37mm)
84th Driest Driest since: 1901 1924
43rd Wettest Wettest since: 1899 1983
Dec 1901–Sep 1902
10-Month
26.00"
(660.40mm)
25.21"
(640.33mm)
0.79"
(20.07mm)
80th Driest Driest since: 1901 2001
46th Wettest Wettest since: 1897 1997
Nov 1901–Sep 1902
11-Month
29.94"
(760.48mm)
29.56"
(750.82mm)
0.38"
(9.66mm)
71st Driest Driest since: 1901 2001
55th Wettest Wettest since: 1897 1997
Oct 1901–Sep 1902
12-Month
31.44"
(798.58mm)
32.12"
(815.85mm)
-0.68"
(-17.27mm)
54th Driest Driest since: 1898 1977
72nd Wettest Wettest since: 1901 1997
Apr 1901–Sep 1902
18-Month
40.34"
(1,024.64mm)
41.30"
(1,049.02mm)
-0.96"
(-24.38mm)
61st Driest Driest since: 1899 1929, 2001
65th Wettest Wettest since: 1901 1997
Oct 1900–Sep 1902
24-Month
65.11"
(1,653.79mm)
64.26"
(1,632.20mm)
0.85"
(21.59mm)
72nd Driest Driest since: 1900 1930
53rd Wettest Wettest since: 1901 1997
Oct 1899–Sep 1902
36-Month
98.32"
(2,497.33mm)
96.34"
(2,447.04mm)
1.98"
(50.29mm)
80th Driest Driest since: 1900 1931
44th Wettest Wettest since: 1901 1997
Ties: 1960
Oct 1898–Sep 1902
48-Month
129.78"
(3,296.41mm)
128.40"
(3,261.36mm)
1.38"
(35.05mm)
71st Driest Driest since: 1901 1931
52nd Wettest Wettest since: 1900 1998
Oct 1897–Sep 1902
60-Month
161.19"
(4,094.23mm)
160.37"
(4,073.40mm)
0.82"
(20.83mm)
64th Driest Driest to Date 1932
58th Wettest Wettest since: 1901 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2021, retrieved on June 12, 2021 from https://www.ncdc.noaa.gov/cag/