Climate at a Glance
Statewide 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 August 2022. For more information, please see Climatological Rankings.
California
Precipitation Rankings, September 2018
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 2018 1-Month |
0.06" (1.52mm) | 0.45" (11.43mm) |
-0.39" (-9.91mm) | 9th Driest | Driest since: 2008 | 1974 |
| 119th Wettest | Wettest since: 2017 | 1918 | ||||
| Ties: 2006 | ||||||
|
Aug–Sep 2018 2-Month |
0.10" (2.54mm) | 0.69" (17.53mm) |
-0.59" (-14.99mm) | 1st Driest | Driest since: 1937 | 1937, 2018 |
| 127th Wettest | Wettest since: 2017 | 1983 | ||||
| Ties: 1937 | ||||||
|
Jul–Sep 2018 3-Month |
0.32" (8.13mm) | 0.87" (22.10mm) |
-0.55" (-13.97mm) | 13th Driest | Driest since: 2016 | 1928 |
| 115th Wettest | Wettest since: 2017 | 1976 | ||||
| Ties: 1924, 1943 | ||||||
|
Jun–Sep 2018 4-Month |
0.39" (9.91mm) | 1.22" (30.99mm) |
-0.83" (-21.08mm) | 6th Driest | Driest since: 2008 | 2002 |
| 122nd Wettest | Wettest since: 2017 | 1982 | ||||
|
May–Sep 2018 5-Month |
1.05" (26.67mm) | 2.10" (53.34mm) |
-1.05" (-26.67mm) | 11th Driest | Driest since: 2008 | 1924 |
| 117th Wettest | Wettest since: 2017 | 1998 | ||||
|
Apr–Sep 2018 6-Month |
3.18" (80.77mm) | 3.74" (95.00mm) |
-0.56" (-14.23mm) | 51st Driest | Driest since: 2016 | 1924 |
| 77th Wettest | Wettest since: 2017 | 1896 | ||||
| Ties: 1939 | ||||||
|
Mar–Sep 2018 7-Month |
8.30" (210.82mm) | 6.95" (176.53mm) |
1.35" (34.29mm) | 96th Driest | Driest since: 2017 | 2008 |
| 32nd Wettest | Wettest since: 2012 | 1995 | ||||
|
Feb–Sep 2018 8-Month |
8.87" (225.30mm) | 10.80" (274.32mm) |
-1.93" (-49.02mm) | 51st Driest | Driest since: 2016 | 2021 |
| 77th Wettest | Wettest since: 2017 | 1998 | ||||
| Ties: 1903, 2016 | ||||||
|
Jan–Sep 2018 9-Month |
12.20" (309.88mm) | 15.05" (382.27mm) |
-2.85" (-72.39mm) | 48th Driest | Driest since: 2015 | 2013 |
| 80th Wettest | Wettest since: 2017 | 1998 | ||||
|
Dec 2017–Sep 2018 10-Month |
12.50" (317.50mm) | 18.67" (474.22mm) |
-6.17" (-156.72mm) | 16th Driest | Driest since: 2014 | 1924 |
| 111th Wettest | Wettest since: 2017 | 1983 | ||||
|
Nov 2017–Sep 2018 11-Month |
15.48" (393.19mm) | 21.25" (539.75mm) |
-5.77" (-146.56mm) | 20th Driest | Driest since: 2014 | 1924 |
| 107th Wettest | Wettest since: 2017 | 1983 | ||||
| Ties: 2020 | ||||||
|
Oct 2017–Sep 2018 12-Month |
15.82" (401.83mm) | 22.45" (570.23mm) |
-6.63" (-168.40mm) | 16th Driest | Driest since: 2014 | 1924 |
| 111th Wettest | Wettest since: 2017 | 1983 | ||||
|
Apr 2017–Sep 2018 18-Month |
20.06" (509.52mm) | 26.19" (665.23mm) |
-6.13" (-155.71mm) | 25th Driest | Driest since: 2015 | 2021 |
| 102nd Wettest | Wettest since: 2017 | 1983 | ||||
|
Oct 2016–Sep 2018 24-Month |
50.84" (1,291.34mm) | 44.90" (1,140.46mm) |
5.94" (150.88mm) | 99th Driest | Driest since: 2016 | 1977 |
| 27th Wettest | Wettest since: 2017 | 1983 | ||||
|
Oct 2015–Sep 2018 36-Month |
73.56" (1,868.42mm) | 67.32" (1,709.93mm) |
6.24" (158.49mm) | 91st Driest | Driest since: 2016 | 2014 |
| 34th Wettest | Wettest since: 2017 | 1984 | ||||
|
Oct 2014–Sep 2018 48-Month |
90.34" (2,294.64mm) | 89.51" (2,273.55mm) |
0.83" (21.09mm) | 73rd Driest | Driest since: 2017 | 2015 |
| 51st Wettest | Wettest since: 2007 | 1998 | ||||
|
Oct 2013–Sep 2018 60-Month |
102.73" (2,609.34mm) | 111.69" (2,836.93mm) |
-8.96" (-227.59mm) | 40th Driest | Driest since: 2016 | 1991 |
| 83rd Wettest | Wettest since: 2017 | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/