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 December 2020. For more information, please see Climatological Rankings.
Northwest Climate Region
Precipitation Rankings, October 1999
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
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 |
| 80th 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 |
| 110th 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 |
| 102nd 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 |
| 109th 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 |
| 107th 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 |
| 103rd 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 |
| 112th Wettest | Wettest since: 1998 | 1997 | ||||
|
Mar–Oct 1999 8-Month |
12.10" (307.34mm) | 14.97" (380.24mm) |
-2.87" (-72.90mm) | 19th 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) | 75th 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) | 85th 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) | 101st 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) | 114th 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) | 117th 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) | 108th 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) | 120th 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) | 122nd 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) | 121st 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, published January 2021, retrieved on January 17, 2021 from https://www.ncdc.noaa.gov/cag/