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, December 1999
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
December 1999 1-Month |
4.16" (105.66mm) | 4.63" (117.60mm) |
-0.47" (-11.94mm) | 53rd Driest | Driest since: 1997 | 1976 |
| 75th Wettest | Wettest since: 1998 | 1964 | ||||
|
Nov–Dec 1999 2-Month |
8.89" (225.81mm) | 8.97" (227.84mm) |
-0.08" (-2.03mm) | 65th Driest | Driest since: 1997 | 1976 |
| 63rd Wettest | Wettest since: 1998 | 1996 | ||||
|
Oct–Dec 1999 3-Month |
11.05" (280.67mm) | 11.51" (292.35mm) |
-0.46" (-11.68mm) | 53rd Driest | Driest since: 1997 | 1976 |
| 75th Wettest | Wettest since: 1998 | 1996 | ||||
|
Sep–Dec 1999 4-Month |
11.24" (285.50mm) | 12.93" (328.42mm) |
-1.69" (-42.92mm) | 38th Driest | Driest since: 1993 | 1976 |
| 90th Wettest | Wettest since: 1998 | 1996 | ||||
|
Aug–Dec 1999 5-Month |
12.39" (314.71mm) | 13.73" (348.74mm) |
-1.34" (-34.03mm) | 44th Driest | Driest since: 1993 | 1936 |
| 84th Wettest | Wettest since: 1998 | 1996 | ||||
|
Jul–Dec 1999 6-Month |
12.82" (325.63mm) | 14.46" (367.28mm) |
-1.64" (-41.65mm) | 41st Driest | Driest since: 1993 | 1936 |
| 87th Wettest | Wettest since: 1998 | 1996 | ||||
|
Jun–Dec 1999 7-Month |
14.28" (362.71mm) | 16.18" (410.97mm) |
-1.90" (-48.26mm) | 41st Driest | Driest since: 1993 | 1976 |
| 87th Wettest | Wettest since: 1998 | 1996 | ||||
|
May–Dec 1999 8-Month |
16.49" (418.85mm) | 18.32" (465.33mm) |
-1.83" (-46.48mm) | 42nd Driest | Driest since: 1993 | 1935 |
| 86th Wettest | Wettest since: 1998 | 1996 | ||||
|
Apr–Dec 1999 9-Month |
17.98" (456.69mm) | 20.67" (525.02mm) |
-2.69" (-68.33mm) | 29th Driest | Driest since: 1989 | 1976 |
| 99th Wettest | Wettest since: 1998 | 1996 | ||||
|
Mar–Dec 1999 10-Month |
20.99" (533.15mm) | 23.93" (607.82mm) |
-2.94" (-74.67mm) | 30th Driest | Driest since: 1987 | 1976 |
| 98th Wettest | Wettest since: 1998 | 1996 | ||||
|
Feb–Dec 1999 11-Month |
28.15" (715.01mm) | 27.54" (699.52mm) |
0.61" (15.49mm) | 68th Driest | Driest since: 1994 | 1935 |
| 60th Wettest | Wettest since: 1998 | 1996 | ||||
|
Jan–Dec 1999 12-Month |
33.40" (848.36mm) | 32.07" (814.58mm) |
1.33" (33.78mm) | 80th Driest | Driest since: 1994 | 1929 |
| 48th Wettest | Wettest since: 1998 | 1996 | ||||
|
Jul 1998–Dec 1999 18-Month |
51.10" (1,297.94mm) | 46.58" (1,183.13mm) |
4.52" (114.81mm) | 101st Driest | Driest since: 1994 | 1929 |
| 26th Wettest | Wettest since: 1998 | 1996 | ||||
|
Jan 1998–Dec 1999 24-Month |
73.16" (1,858.26mm) | 64.19" (1,630.43mm) |
8.97" (227.83mm) | 117th Driest | Driest since: 1995 | 1930 |
| 10th Wettest | Wettest since: 1998 | 1996 | ||||
|
Jan 1997–Dec 1999 36-Month |
108.31" (2,751.07mm) | 96.33" (2,446.78mm) |
11.98" (304.29mm) | 118th Driest | Driest since: 1995 | 1930 |
| 8th Wettest | Wettest since: 1998 | 1997 | ||||
|
Jan 1996–Dec 1999 48-Month |
153.18" (3,890.77mm) | 128.33" (3,259.58mm) |
24.85" (631.19mm) | 123rd Driest | Driest since: 1997 | 1931 |
| 2nd Wettest | Wettest since: 1998 | 1998 | ||||
|
Jan 1995–Dec 1999 60-Month |
193.76" (4,921.50mm) | 160.34" (4,072.64mm) |
33.42" (848.86mm) | 123rd 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 October 4, 2022 from https://www.ncdc.noaa.gov/cag/