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 August 2022. For more information, please see Climatological Rankings.
Northwest Climate Region
Precipitation Rankings, October 1999
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
October 1999 1-Month |
2.16" (54.86mm) | 2.54" (64.52mm) |
-0.38" (-9.66mm) | 47th Driest | Driest since: 1998 | 1895 |
| 81st Wettest | Wettest since: 1997 | 2016 | ||||
|
Sep–Oct 1999 2-Month |
2.35" (59.69mm) | 3.96" (100.58mm) |
-1.61" (-40.89mm) | 17th Driest | Driest since: 1993 | 1987 |
| 111th Wettest | Wettest since: 1998 | 2016 | ||||
|
Aug–Oct 1999 3-Month |
3.50" (88.90mm) | 4.76" (120.90mm) |
-1.26" (-32.00mm) | 25th Driest | Driest since: 1998 | 1987 |
| 103rd Wettest | Wettest since: 1997 | 2016 | ||||
| Ties: 2011 | ||||||
|
Jul–Oct 1999 4-Month |
3.93" (99.82mm) | 5.49" (139.45mm) |
-1.56" (-39.63mm) | 18th Driest | Driest since: 1991 | 1952 |
| 110th Wettest | Wettest since: 1998 | 2016 | ||||
| Ties: 2020 | ||||||
|
Jun–Oct 1999 5-Month |
5.39" (136.91mm) | 7.21" (183.13mm) |
-1.82" (-46.22mm) | 20th Driest | Driest since: 1988 | 1917, 2002 |
| 108th Wettest | Wettest since: 1998 | 1947 | ||||
|
May–Oct 1999 6-Month |
7.60" (193.04mm) | 9.35" (237.49mm) |
-1.75" (-44.45mm) | 24th Driest | Driest since: 1988 | 2002 |
| 104th Wettest | Wettest since: 1998 | 1941 | ||||
|
Apr–Oct 1999 7-Month |
9.09" (230.89mm) | 11.71" (297.43mm) |
-2.62" (-66.54mm) | 15th Driest | Driest since: 1987 | 2002 |
| 113th Wettest | Wettest since: 1998 | 1997 | ||||
|
Mar–Oct 1999 8-Month |
12.10" (307.34mm) | 14.97" (380.24mm) |
-2.87" (-72.90mm) | 20th Driest | Driest since: 1987 | 1939 |
| 108th Wettest | Wettest since: 1998 | 1997 | ||||
|
Feb–Oct 1999 9-Month |
19.26" (489.20mm) | 18.58" (471.93mm) |
0.68" (17.27mm) | 76th Driest | Driest since: 1994 | 1929 |
| 52nd Wettest | Wettest since: 1998 | 2017 | ||||
| Ties: 1951 | ||||||
|
Jan–Oct 1999 10-Month |
24.51" (622.55mm) | 23.10" (586.74mm) |
1.41" (35.81mm) | 86th Driest | Driest since: 1994 | 1929 |
| 42nd Wettest | Wettest since: 1998 | 1950 | ||||
|
Dec 1998–Oct 1999 11-Month |
30.70" (779.78mm) | 27.75" (704.85mm) |
2.95" (74.93mm) | 102nd Driest | Driest since: 1998 | 1929 |
| 25th Wettest | Wettest since: 1997 | 1997 | ||||
|
Nov 1998–Oct 1999 12-Month |
38.02" (965.71mm) | 32.10" (815.34mm) |
5.92" (150.37mm) | 115th Driest | Driest since: 1998 | 1977 |
| 12th Wettest | Wettest since: 1997 | 1997 | ||||
|
May 1998–Oct 1999 18-Month |
48.87" (1,241.30mm) | 41.48" (1,053.59mm) |
7.39" (187.71mm) | 118th Driest | Driest since: 1998 | 1929 |
| 9th Wettest | Wettest since: 1997 | 1997 | ||||
|
Nov 1997–Oct 1999 24-Month |
69.93" (1,776.22mm) | 64.23" (1,631.44mm) |
5.70" (144.78mm) | 109th Driest | Driest since: 1995 | 1930 |
| 17th Wettest | Wettest since: 1998 | 1997 | ||||
|
Nov 1996–Oct 1999 36-Month |
115.48" (2,933.19mm) | 96.31" (2,446.27mm) |
19.17" (486.92mm) | 121st Driest | Driest since: 1996 | 1931 |
| 4th Wettest | Wettest since: 1998 | 1997 | ||||
|
Nov 1995–Oct 1999 48-Month |
157.24" (3,993.90mm) | 128.38" (3,260.85mm) |
28.86" (733.05mm) | 123rd Driest | Driest since: 1998 | 1931 |
| 1st Wettest | Wettest to Date | 1999 | ||||
|
Nov 1994–Oct 1999 60-Month |
194.98" (4,952.49mm) | 160.37" (4,073.40mm) |
34.61" (879.09mm) | 122nd Driest | Driest since: 1998 | 1932 |
| 1st Wettest | Wettest to Date | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/