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 1999
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1999 1-Month |
0.18" (4.57mm) | 0.45" (11.43mm) |
-0.27" (-6.86mm) | 41st Driest | Driest since: 1995 | 1974 |
| 87th Wettest | Wettest since: 1998 | 1918 | ||||
| Ties: 1936 | ||||||
|
Aug–Sep 1999 2-Month |
0.39" (9.91mm) | 0.69" (17.53mm) |
-0.30" (-7.62mm) | 45th Driest | Driest since: 1996 | 1937, 2018 |
| 83rd Wettest | Wettest since: 1998 | 1983 | ||||
|
Jul–Sep 1999 3-Month |
0.70" (17.78mm) | 0.87" (22.10mm) |
-0.17" (-4.32mm) | 57th Driest | Driest since: 1996 | 1928 |
| 71st Wettest | Wettest since: 1998 | 1976 | ||||
| Ties: 1991 | ||||||
|
Jun–Sep 1999 4-Month |
0.95" (24.13mm) | 1.22" (30.99mm) |
-0.27" (-6.86mm) | 48th Driest | Driest since: 1996 | 2002 |
| 80th Wettest | Wettest since: 1998 | 1982 | ||||
| Ties: 1970 | ||||||
|
May–Sep 1999 5-Month |
1.28" (32.51mm) | 2.10" (53.34mm) |
-0.82" (-20.83mm) | 22nd Driest | Driest since: 1987 | 1924 |
| 106th Wettest | Wettest since: 1998 | 1998 | ||||
| Ties: 1975 | ||||||
|
Apr–Sep 1999 6-Month |
3.15" (80.01mm) | 3.74" (95.00mm) |
-0.59" (-14.99mm) | 49th Driest | Driest since: 1992 | 1924 |
| 79th Wettest | Wettest since: 1998 | 1896 | ||||
|
Mar–Sep 1999 7-Month |
5.55" (140.97mm) | 6.95" (176.53mm) |
-1.40" (-35.56mm) | 48th Driest | Driest since: 1997 | 2008 |
| 80th Wettest | Wettest since: 1998 | 1995 | ||||
|
Feb–Sep 1999 8-Month |
10.53" (267.46mm) | 10.80" (274.32mm) |
-0.27" (-6.86mm) | 71st Driest | Driest since: 1997 | 2021 |
| 57th Wettest | Wettest since: 1998 | 1998 | ||||
|
Jan–Sep 1999 9-Month |
14.07" (357.38mm) | 15.05" (382.27mm) |
-0.98" (-24.89mm) | 65th Driest | Driest since: 1997 | 2013 |
| 63rd Wettest | Wettest since: 1998 | 1998 | ||||
|
Dec 1998–Sep 1999 10-Month |
15.72" (399.29mm) | 18.67" (474.22mm) |
-2.95" (-74.93mm) | 47th Driest | Driest since: 1994 | 1924 |
| 80th Wettest | Wettest since: 1998 | 1983 | ||||
|
Nov 1998–Sep 1999 11-Month |
20.06" (509.52mm) | 21.25" (539.75mm) |
-1.19" (-30.23mm) | 63rd Driest | Driest since: 1994 | 1924 |
| 64th Wettest | Wettest since: 1998 | 1983 | ||||
|
Oct 1998–Sep 1999 12-Month |
20.82" (528.83mm) | 22.45" (570.23mm) |
-1.63" (-41.40mm) | 60th Driest | Driest since: 1994 | 1924 |
| 67th Wettest | Wettest since: 1998 | 1983 | ||||
|
Apr 1998–Sep 1999 18-Month |
27.86" (707.64mm) | 26.19" (665.23mm) |
1.67" (42.41mm) | 83rd Driest | Driest since: 1994 | 2021 |
| 44th Wettest | Wettest since: 1998 | 1983 | ||||
| Ties: 1911 | ||||||
|
Oct 1997–Sep 1999 24-Month |
58.47" (1,485.14mm) | 44.90" (1,140.46mm) |
13.57" (344.68mm) | 117th Driest | Driest since: 1997 | 1977 |
| 9th Wettest | Wettest since: 1998 | 1983 | ||||
|
Oct 1996–Sep 1999 36-Month |
85.09" (2,161.29mm) | 67.32" (1,709.93mm) |
17.77" (451.36mm) | 118th Driest | Driest since: 1996 | 2014 |
| 7th Wettest | Wettest since: 1998 | 1984 | ||||
|
Oct 1995–Sep 1999 48-Month |
109.78" (2,788.41mm) | 89.51" (2,273.55mm) |
20.27" (514.86mm) | 116th Driest | Driest since: 1997 | 2015 |
| 8th Wettest | Wettest since: 1998 | 1998 | ||||
|
Oct 1994–Sep 1999 60-Month |
145.96" (3,707.38mm) | 111.69" (2,836.93mm) |
34.27" (870.45mm) | 122nd Driest | Driest since: 1998 | 1991 |
| 1st Wettest | Wettest to Date | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 3, 2022 from https://www.ncdc.noaa.gov/cag/