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 November 2019. For more information, please see Climatological Rankings.


Washington

Precipitation Rankings, December 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 1999
1-Month
7.13"
(181.10mm)
6.47"
(164.34mm)
0.66"
(16.76mm)
78th Driest Driest since: 1997 1985
47th Wettest Wettest since: 1998 1933
Nov–Dec 1999
2-Month
15.37"
(390.40mm)
12.59"
(319.79mm)
2.78"
(70.61mm)
98th Driest Driest since: 1997 1976
27th Wettest Wettest since: 1998 1897
Oct–Dec 1999
3-Month
18.86"
(479.04mm)
16.24"
(412.50mm)
2.62"
(66.54mm)
92nd Driest Driest since: 1997 1976
33rd Wettest Wettest since: 1998 1933
Sep–Dec 1999
4-Month
19.22"
(488.19mm)
18.20"
(462.28mm)
1.02"
(25.91mm)
66th Driest Driest since: 1993 1976
59th Wettest Wettest since: 1998 1933
Ties: 1926, 1964
Aug–Dec 1999
5-Month
20.53"
(521.46mm)
19.22"
(488.19mm)
1.31"
(33.27mm)
68th Driest Driest since: 1997 1976
57th Wettest Wettest since: 1998 1933
Jul–Dec 1999
6-Month
21.51"
(546.35mm)
20.11"
(510.79mm)
1.40"
(35.56mm)
72nd Driest Driest since: 1993 1929
53rd Wettest Wettest since: 1998 1933
Jun–Dec 1999
7-Month
23.37"
(593.60mm)
22.00"
(558.80mm)
1.37"
(34.80mm)
70th Driest Driest since: 1993 1930
55th Wettest Wettest since: 1998 1933
May–Dec 1999
8-Month
25.87"
(657.10mm)
24.25"
(615.95mm)
1.62"
(41.15mm)
75th Driest Driest since: 1993 1976
50th Wettest Wettest since: 1998 1933
Apr–Dec 1999
9-Month
27.33"
(694.18mm)
27.08"
(687.83mm)
0.25"
(6.35mm)
65th Driest Driest since: 1993 1952
60th Wettest Wettest since: 1998 1948
Mar–Dec 1999
10-Month
31.84"
(808.74mm)
31.23"
(793.24mm)
0.61"
(15.50mm)
62nd Driest Driest since: 1993 1952
63rd Wettest Wettest since: 1998 1933
Feb–Dec 1999
11-Month
41.77"
(1,060.96mm)
35.96"
(913.38mm)
5.81"
(147.58mm)
103rd Driest Driest since: 1998 1952
22nd Wettest Wettest since: 1997 1948
Jan–Dec 1999
12-Month
49.30"
(1,252.22mm)
42.03"
(1,067.56mm)
7.27"
(184.66mm)
106th Driest Driest since: 1998 1929
19th Wettest Wettest since: 1997 1996
Jul 1998–Dec 1999
18-Month
74.10"
(1,882.14mm)
62.24"
(1,580.90mm)
11.86"
(301.24mm)
113th Driest Driest since: 1998 1930
11th Wettest Wettest since: 1997 1996
Jan 1998–Dec 1999
24-Month
97.91"
(2,486.91mm)
84.17"
(2,137.92mm)
13.74"
(348.99mm)
113th Driest Driest since: 1995 1930
11th Wettest Wettest since: 1998 1996
Jan 1997–Dec 1999
36-Month
148.98"
(3,784.09mm)
126.33"
(3,208.78mm)
22.65"
(575.31mm)
120th Driest Driest since: 1996 1930
3rd Wettest Wettest since: 1998 1997
Jan 1996–Dec 1999
48-Month
203.93"
(5,179.82mm)
168.37"
(4,276.60mm)
35.56"
(903.22mm)
120th Driest Driest since: 1997 1931
2nd Wettest Wettest since: 1998 1998
Jan 1995–Dec 1999
60-Month
255.01"
(6,477.25mm)
210.39"
(5,343.91mm)
44.62"
(1,133.34mm)
120th Driest Driest since: 1998 1930
1st Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/