Olympia, WA

46.974°N, 122.905°W · station OLMthr · 1948–2026 · 79 years · normal 50.7 in/yr

The Accumulation Ribbon

Every day of the year at Olympia: how the rain adds up. The filled curve is the normal running total; the dashed lines are the wettest (1950) and driest (1952) years on record; the white line is 2026 so far.

Normal to date Wettest / driest year 2026 so far normal annual 50.7 in

All-Time Extremes

Wettest day ever

4.82in

Jan 7, 2009

Wettest month ever

19.84in

Jan 1953

Wettest year

66.7in

1950 · mean 50.9 in

Driest year

29.9in

1952 · mean 50.9 in

Longest dry streak

71 days

< 0.01 in · ended 2021-08-25

Longest wet streak

35 days

≥ 0.01 in · ended 2006-01-21

Records by Month

Month	Wettest day	Normal	Wettest month
Jan	4.82″ Jan 7, 2009	7.87″	19.84″ 1953
Feb	3.64″ Feb 9, 1951	5.12″	15.50″ 1999
Mar	3.40″ Mar 5, 1972	4.76″	11.79″ 1997
Apr	3.11″ Apr 4, 1991	3.13″	7.80″ 1991
May	1.54″ May 5, 1948	1.81″	5.83″ 1948
Jun	1.60″ Jun 6, 1985	1.41″	3.74″ 1984
Jul	1.34″ Jul 9, 1995	0.38″	3.00″ 1983
Aug	1.38″ Aug 23, 1977	0.73″	5.45″ 1968
Sep	2.93″ Sep 28, 2013	1.94″	9.36″ 2013
Oct	4.12″ Oct 20, 2003	4.62″	12.43″ 2016
Nov	4.33″ Nov 19, 1962	7.92″	19.68″ 2006
Dec	3.50″ Dec 9, 1956	8.52″	14.50″ 2015

Record Daily Rainfall

The heaviest one-day rainfall ever recorded on each calendar date — when Olympia's big rains fall.

Year by Year

Wettest years

1950	66.71 in
1999	66.64 in
1997	64.83 in
1972	64.41 in
1968	64.25 in

The Full Record

Every day of the year: normal daily precip, the record one-day total with its year, how often it rains, and the cumulative normal. Type to filter, click a column to sort.

Show me the data — the full daily record

Date	Normal	Record 1-day	Yr	Wet-day %	Cum. normal
Jan 1	0.27″	1.44″	1963	61%	0.27″
Jan 2	0.27″	2.26″	2021	66%	0.54″
Jan 3	0.26″	1.60″	1984	67%	0.80″
Jan 4	0.26″	2.46″	2015	70%	1.07″
Jan 5	0.26″	1.95″	1954	65%	1.33″
Jan 6	0.26″	3.99″	2022	65%	1.59″
Jan 7	0.26″	4.82″	2009	70%	1.85″
Jan 8	0.25″	1.20″	1990	70%	2.10″
Jan 9	0.26″	3.82″	1990	70%	2.36″
Jan 10	0.26″	1.56″	2006	76%	2.62″
Jan 11	0.27″	1.89″	2018	71%	2.89″
Jan 12	0.26″	3.04″	2021	70%	3.15″
Jan 13	0.25″	2.08″	1970	65%	3.41″
Jan 14	0.24″	1.93″	1976	63%	3.65″
Jan 15	0.23″	1.60″	1961	65%	3.88″
Jan 16	0.23″	1.49″	2006	66%	4.11″
Jan 17	0.23″	2.21″	2005	63%	4.34″
Jan 18	0.23″	3.23″	1986	61%	4.57″
Jan 19	0.22″	2.47″	1967	58%	4.79″
Jan 20	0.22″	3.05″	1972	62%	5.01″
Jan 21	0.23″	1.73″	2016	62%	5.24″
Jan 22	0.24″	2.03″	1953	67%	5.48″
Jan 23	0.24″	1.83″	1982	63%	5.72″
Jan 24	0.25″	2.47″	2002	65%	5.97″
Jan 25	0.24″	2.11″	1971	54%	6.21″
Jan 26	0.23″	2.08″	1970	57%	6.45″
Jan 27	0.23″	1.48″	1992	54%	6.68″
Jan 28	0.23″	2.25″	1999	61%	6.91″
Jan 29	0.23″	2.23″	2006	66%	7.13″
Jan 30	0.23″	1.08″	1952	63%	7.36″
Jan 31	0.22″	2.55″	1987	66%	7.58″
Feb 1	0.22″	1.41″	2000	59%	7.80″
Feb 2	0.22″	2.10″	1963	54%	8.02″
Feb 3	0.22″	1.50″	1968	66%	8.24″
Feb 4	0.21″	1.04″	2017	58%	8.45″
Feb 5	0.20″	1.32″	1996	51%	8.65″
Feb 6	0.19″	2.41″	1979	58%	8.84″
Feb 7	0.18″	1.98″	1996	54%	9.02″
Feb 8	0.18″	2.75″	1996	59%	9.20″
Feb 9	0.18″	3.64″	1951	58%	9.37″
Feb 10	0.18″	1.22″	1990	51%	9.55″
Feb 11	0.19″	1.72″	2019	57%	9.74″
Feb 12	0.20″	1.59″	1954	63%	9.94″
Feb 13	0.19″	2.19″	1982	67%	10.13″
Feb 14	0.19″	1.27″	1982	72%	10.32″
Feb 15	0.19″	2.18″	1970	73%	10.51″
Feb 16	0.18″	2.23″	1949	72%	10.69″
Feb 17	0.18″	1.23″	2014	75%	10.87″
Feb 18	0.19″	2.08″	1995	62%	11.06″
Feb 19	0.18″	2.07″	1991	61%	11.24″
Feb 20	0.18″	1.69″	1961	59%	11.42″
Feb 21	0.18″	1.30″	1961	61%	11.61″
Feb 22	0.18″	1.31″	2013	58%	11.79″
Feb 23	0.19″	2.37″	1950	63%	11.98″
Feb 24	0.19″	1.98″	1999	57%	12.17″
Feb 25	0.18″	1.37″	1950	59%	12.35″
Feb 26	0.18″	1.22″	1965	58%	12.53″
Feb 27	0.17″	2.24″	1972	49%	12.70″
Feb 28	0.17″	3.12″	2022	59%	12.86″
Feb 29	0.17″	1.23″	1997	63%	13.03″
Mar 1	0.18″	1.68″	2016	65%	13.21″
Mar 2	0.18″	2.18″	1987	56%	13.39″
Mar 3	0.18″	1.12″	1950	62%	13.57″
Mar 4	0.19″	1.64″	2014	59%	13.76″
Mar 5	0.19″	3.40″	1972	54%	13.95″
Mar 6	0.20″	1.02″	1977	57%	14.15″
Mar 7	0.21″	1.77″	2014	63%	14.35″
Mar 8	0.20″	1.82″	2011	58%	14.56″
Mar 9	0.20″	1.36″	1971	56%	14.76″
Mar 10	0.20″	2.17″	2026	59%	14.95″
Mar 11	0.20″	1.20″	1951	66%	15.15″
Mar 12	0.20″	1.80″	2026	65%	15.35″
Mar 13	0.20″	1.29″	2015	67%	15.55″
Mar 14	0.20″	2.08″	2015	66%	15.76″
Mar 15	0.20″	1.21″	2012	62%	15.96″
Mar 16	0.19″	0.84″	2017	53%	16.15″
Mar 17	0.19″	1.90″	1997	54%	16.33″
Mar 18	0.18″	1.51″	1997	51%	16.52″
Mar 19	0.18″	0.99″	1966	58%	16.70″
Mar 20	0.18″	1.33″	2003	59%	16.88″
Mar 21	0.17″	2.40″	1948	63%	17.06″
Mar 22	0.17″	1.09″	1998	67%	17.22″
Mar 23	0.16″	1.31″	2007	63%	17.38″
Mar 24	0.16″	1.00″	1976	61%	17.54″
Mar 25	0.15″	2.01″	2005	66%	17.69″
Mar 26	0.15″	1.01″	1988	58%	17.84″
Mar 27	0.15″	1.51″	1968	56%	17.98″
Mar 28	0.15″	1.38″	2010	53%	18.13″
Mar 29	0.15″	1.98″	2012	57%	18.28″
Mar 30	0.15″	1.09″	1959	51%	18.43″
Mar 31	0.15″	0.88″	1974	59%	18.58″
Apr 1	0.15″	1.24″	2010	49%	18.73″
Apr 2	0.14″	1.82″	1991	43%	18.87″
Apr 3	0.14″	3.11″	1991	51%	19.01″
Apr 4	0.14″	1.06″	2013	62%	19.15″
Apr 5	0.14″	1.03″	1972	53%	19.29″
Apr 6	0.15″	1.09″	1988	57%	19.44″
Apr 7	0.14″	1.17″	1993	53%	19.58″
Apr 8	0.14″	1.44″	1970	48%	19.73″
Apr 9	0.15″	0.74″	1980	57%	19.88″
Apr 10	0.14″	0.64″	1966	53%	20.02″
Apr 11	0.14″	1.05″	2009	51%	20.16″
Apr 12	0.13″	1.49″	2002	59%	20.29″
Apr 13	0.13″	2.03″	2018	54%	20.42″
Apr 14	0.12″	0.99″	1968	57%	20.54″
Apr 15	0.12″	0.97″	1973	56%	20.66″
Apr 16	0.13″	1.70″	1992	49%	20.79″
Apr 17	0.12″	0.66″	1948	47%	20.91″
Apr 18	0.13″	2.31″	1965	47%	21.04″
Apr 19	0.12″	0.95″	2012	43%	21.16″
Apr 20	0.11″	0.71″	1960	49%	21.27″
Apr 21	0.10″	0.64″	1961	49%	21.38″
Apr 22	0.10″	1.36″	1996	51%	21.48″
Apr 23	0.10″	2.31″	1996	53%	21.58″
Apr 24	0.09″	0.68″	1986	51%	21.67″
Apr 25	0.10″	0.88″	2024	49%	21.77″
Apr 26	0.10″	1.49″	1962	42%	21.87″
Apr 27	0.10″	0.91″	1959	42%	21.96″
Apr 28	0.10″	1.14″	1959	46%	22.06″
Apr 29	0.10″	0.81″	2001	38%	22.16″
Apr 30	0.09″	0.59″	1949	41%	22.25″
May 1	0.08″	0.77″	1975	49%	22.34″
May 2	0.08″	0.81″	2014	46%	22.42″
May 3	0.08″	1.09″	2012	46%	22.50″
May 4	0.07″	0.72″	1963	39%	22.57″
May 5	0.08″	1.54″	1948	38%	22.65″
May 6	0.08″	0.69″	1983	37%	22.72″
May 7	0.08″	0.52″	2014	30%	22.81″
May 8	0.08″	0.66″	2005	27%	22.89″
May 9	0.08″	0.93″	2000	28%	22.96″
May 10	0.07″	0.77″	2017	35%	23.04″
May 11	0.07″	0.56″	1986	32%	23.11″
May 12	0.07″	0.83″	2009	42%	23.18″
May 13	0.07″	0.93″	2011	39%	23.25″
May 14	0.07″	0.79″	1965	38%	23.32″
May 15	0.07″	0.98″	1977	29%	23.39″
May 16	0.07″	0.55″	2020	32%	23.46″
May 17	0.07″	0.64″	1953	39%	23.53″
May 18	0.07″	0.73″	1986	37%	23.60″
May 19	0.07″	0.81″	1968	35%	23.67″
May 20	0.07″	0.57″	1990	35%	23.74″
May 21	0.07″	0.59″	2006	39%	23.81″
May 22	0.06″	1.29″	1973	41%	23.87″
May 23	0.07″	0.48″	1953	35%	23.94″
May 24	0.07″	0.64″	2010	32%	24.01″
May 25	0.07″	0.42″	1969	39%	24.07″
May 26	0.06″	0.55″	2021	41%	24.14″
May 27	0.06″	0.75″	2004	37%	24.20″
May 28	0.06″	1.10″	1969	33%	24.25″
May 29	0.06″	0.86″	1990	23%	24.31″
May 30	0.06″	1.13″	1977	34%	24.37″
May 31	0.06″	0.80″	2006	27%	24.43″
Jun 1	0.06″	1.38″	1968	28%	24.49″
Jun 2	0.07″	1.08″	2024	28%	24.56″
Jun 3	0.06″	0.74″	1974	34%	24.62″
Jun 4	0.06″	0.54″	2005	32%	24.68″
Jun 5	0.06″	1.60″	1985	35%	24.75″
Jun 6	0.06″	0.55″	2000	28%	24.81″
Jun 7	0.06″	1.27″	2026	28%	24.87″
Jun 8	0.06″	1.16″	2022	35%	24.92″
Jun 9	0.06″	0.80″	2020	41%	24.98″
Jun 10	0.06″	0.89″	2001	38%	25.04″
Jun 11	0.06″	0.95″	1948	33%	25.09″
Jun 12	0.06″	0.95″	2021	35%	25.15″
Jun 13	0.05″	0.84″	2021	37%	25.20″
Jun 14	0.05″	1.05″	1954	28%	25.25″
Jun 15	0.05″	0.57″	2020	28%	25.30″
Jun 16	0.05″	0.67″	1997	30%	25.35″
Jun 17	0.04″	0.53″	2010	24%	25.40″
Jun 18	0.04″	0.66″	2010	20%	25.44″
Jun 19	0.04″	0.57″	1991	27%	25.48″
Jun 20	0.04″	0.94″	1984	24%	25.52″
Jun 21	0.04″	0.39″	1968	19%	25.56″
Jun 22	0.04″	0.71″	2013	25%	25.60″
Jun 23	0.04″	1.19″	1971	27%	25.64″
Jun 24	0.04″	0.59″	1998	25%	25.68″
Jun 25	0.03″	0.90″	1982	25%	25.71″
Jun 26	0.03″	0.64″	2001	35%	25.74″
Jun 27	0.03″	1.01″	2002	24%	25.77″
Jun 28	0.03″	0.95″	1984	23%	25.80″
Jun 29	0.03″	0.57″	1954	22%	25.83″
Jun 30	0.03″	1.30″	1979	15%	25.86″
Jul 1	0.03″	0.60″	1966	20%	25.89″
Jul 2	0.03″	0.23″	1986	13%	25.92″
Jul 3	0.03″	0.38″	1987	23%	25.94″
Jul 4	0.02″	0.74″	1961	25%	25.97″
Jul 5	0.02″	0.32″	1956	20%	25.99″
Jul 6	0.02″	0.55″	1963	13%	26.01″
Jul 7	0.02″	1.19″	1974	23%	26.03″
Jul 8	0.02″	1.34″	1995	20%	26.05″
Jul 9	0.02″	0.51″	1986	24%	26.07″
Jul 10	0.02″	0.26″	1983	18%	26.10″
Jul 11	0.02″	0.57″	1983	11%	26.12″
Jul 12	0.02″	0.57″	1972	17%	26.15″
Jul 13	0.03″	0.65″	1957	17%	26.17″
Jul 14	0.03″	0.46″	1964	13%	26.19″
Jul 15	0.02″	0.51″	1978	23%	26.22″
Jul 16	0.02″	0.61″	2007	8%	26.24″
Jul 17	0.02″	0.22″	1987	10%	26.25″
Jul 18	0.02″	0.36″	2007	10%	26.27″
Jul 19	0.02″	0.29″	2007	12%	26.29″
Jul 20	0.02″	0.45″	1963	13%	26.31″
Jul 21	0.02″	0.24″	1993	6%	26.32″
Jul 22	0.02″	0.27″	2014	10%	26.34″
Jul 23	0.01″	0.25″	1991	12%	26.35″
Jul 24	0.01″	0.31″	1955	6%	26.36″
Jul 25	0.01″	0.72″	1978	8%	26.37″
Jul 26	0.01″	0.29″	1950	9%	26.38″
Jul 27	0.01″	0.92″	1950	12%	26.39″
Jul 28	0.01″	0.08″	1955	4%	26.40″
Jul 29	0.01″	0.20″	2024	9%	26.41″
Jul 30	0.01″	0.30″	1985	8%	26.42″
Jul 31	0.01″	0.28″	1985	6%	26.43″
Aug 1	0.01″	0.65″	1964	15%	26.45″
Aug 2	0.01″	0.88″	1956	10%	26.46″
Aug 3	0.01″	0.21″	1964	8%	26.48″
Aug 4	0.02″	0.17″	2003	14%	26.49″
Aug 5	0.02″	0.46″	1995	18%	26.51″
Aug 6	0.02″	1.22″	1962	21%	26.53″
Aug 7	0.02″	0.34″	1994	12%	26.55″
Aug 8	0.02″	0.32″	1991	14%	26.57″
Aug 9	0.02″	0.21″	2019	9%	26.59″
Aug 10	0.02″	0.18″	2009	12%	26.62″
Aug 11	0.02″	0.87″	1965	15%	26.64″
Aug 12	0.02″	0.57″	2014	10%	26.66″
Aug 13	0.03″	0.93″	2015	15%	26.69″
Aug 14	0.03″	0.92″	1950	18%	26.71″
Aug 15	0.03″	1.20″	1976	18%	26.74″
Aug 16	0.03″	0.32″	1975	13%	26.77″
Aug 17	0.03″	0.71″	1975	19%	26.79″
Aug 18	0.03″	0.84″	1965	18%	26.83″
Aug 19	0.03″	0.51″	1968	17%	26.86″
Aug 20	0.03″	0.77″	2001	18%	26.89″
Aug 21	0.04″	1.24″	2001	23%	26.93″
Aug 22	0.04″	1.38″	1977	22%	26.97″
Aug 23	0.04″	0.89″	1968	24%	27.01″
Aug 24	0.04″	1.01″	1977	24%	27.06″
Aug 25	0.04″	0.92″	1997	27%	27.10″
Aug 26	0.05″	0.89″	1991	26%	27.15″
Aug 27	0.05″	0.44″	1953	28%	27.20″
Aug 28	0.05″	1.33″	2013	24%	27.24″
Aug 29	0.05″	0.82″	1990	22%	27.29″
Aug 30	0.05″	0.71″	1961	23%	27.34″
Aug 31	0.05″	1.16″	1971	23%	27.39″
Sep 1	0.05″	0.62″	2000	21%	27.44″
Sep 2	0.05″	0.71″	2013	23%	27.50″
Sep 3	0.05″	1.32″	1959	19%	27.55″
Sep 4	0.05″	1.01″	2013	22%	27.59″
Sep 5	0.04″	1.54″	2009	24%	27.64″
Sep 6	0.04″	0.57″	1980	27%	27.68″
Sep 7	0.05″	1.02″	1986	28%	27.73″
Sep 8	0.06″	1.34″	1978	28%	27.78″
Sep 9	0.06″	0.68″	1962	26%	27.85″
Sep 10	0.07″	0.67″	2004	18%	27.92″
Sep 11	0.07″	0.93″	2024	15%	27.98″
Sep 12	0.07″	0.68″	1963	24%	28.05″
Sep 13	0.06″	0.58″	2004	27%	28.11″
Sep 14	0.06″	1.00″	1955	29%	28.18″
Sep 15	0.06″	0.95″	1997	41%	28.24″
Sep 16	0.07″	1.67″	2010	36%	28.31″
Sep 17	0.07″	0.85″	2010	32%	28.38″
Sep 18	0.08″	1.05″	1959	29%	28.45″
Sep 19	0.08″	0.50″	1980	33%	28.53″
Sep 20	0.09″	1.11″	1972	24%	28.62″
Sep 21	0.09″	1.51″	1972	26%	28.70″
Sep 22	0.09″	1.16″	1978	27%	28.79″
Sep 23	0.08″	1.30″	1950	36%	28.87″
Sep 24	0.08″	0.81″	2023	38%	28.95″
Sep 25	0.08″	1.06″	2014	32%	29.03″
Sep 26	0.08″	1.12″	1948	35%	29.11″
Sep 27	0.08″	2.93″	2013	29%	29.20″
Sep 28	0.09″	1.14″	2005	35%	29.28″
Sep 29	0.09″	1.52″	2013	27%	29.38″
Sep 30	0.10″	1.27″	1964	29%	29.47″
Oct 1	0.10″	1.06″	2007	32%	29.57″
Oct 2	0.11″	1.02″	1997	37%	29.67″
Oct 3	0.10″	0.78″	2008	29%	29.78″
Oct 4	0.11″	1.97″	1981	40%	29.89″
Oct 5	0.11″	2.82″	1981	38%	29.99″
Oct 6	0.11″	0.91″	1999	45%	30.10″
Oct 7	0.12″	1.89″	1962	41%	30.22″
Oct 8	0.12″	1.06″	1953	42%	30.34″
Oct 9	0.13″	1.97″	1995	49%	30.48″
Oct 10	0.14″	2.20″	1984	42%	30.61″
Oct 11	0.14″	1.06″	1998	46%	30.76″
Oct 12	0.16″	0.56″	2014	40%	30.92″
Oct 13	0.17″	1.61″	2016	47%	31.09″
Oct 14	0.17″	2.01″	2016	35%	31.26″
Oct 15	0.18″	1.66″	2003	42%	31.44″
Oct 16	0.18″	1.19″	2009	47%	31.62″
Oct 17	0.17″	1.52″	2017	41%	31.79″
Oct 18	0.18″	1.26″	2007	50%	31.97″
Oct 19	0.18″	4.12″	2003	49%	32.14″
Oct 20	0.19″	2.91″	2017	54%	32.33″
Oct 21	0.18″	1.43″	2014	54%	32.51″
Oct 22	0.19″	0.80″	2009	50%	32.70″
Oct 23	0.20″	2.53″	1985	51%	32.90″
Oct 24	0.20″	1.51″	1986	60%	33.10″
Oct 25	0.20″	1.87″	1985	53%	33.31″
Oct 26	0.20″	1.61″	1967	48%	33.51″
Oct 27	0.20″	2.25″	1982	53%	33.71″
Oct 28	0.20″	1.64″	1955	55%	33.92″
Oct 29	0.21″	2.04″	1997	56%	34.13″
Oct 30	0.23″	2.95″	1994	59%	34.36″
Oct 31	0.23″	1.64″	2010	56%	34.58″
Nov 1	0.23″	2.69″	1955	60%	34.81″
Nov 2	0.23″	1.83″	1983	63%	35.04″
Nov 3	0.23″	3.33″	2022	62%	35.27″
Nov 4	0.24″	1.88″	2006	63%	35.51″
Nov 5	0.26″	4.31″	2006	64%	35.77″
Nov 6	0.27″	2.51″	2008	63%	36.03″
Nov 7	0.26″	1.17″	1973	58%	36.29″
Nov 8	0.26″	1.52″	1961	64%	36.54″
Nov 9	0.27″	1.90″	1962	64%	36.81″
Nov 10	0.27″	1.81″	1958	71%	37.08″
Nov 11	0.28″	2.89″	1949	65%	37.35″
Nov 12	0.28″	2.59″	1998	74%	37.64″
Nov 13	0.27″	3.64″	2001	59%	37.91″
Nov 14	0.28″	1.35″	1973	71%	38.19″
Nov 15	0.28″	1.51″	2009	64%	38.48″
Nov 16	0.29″	2.08″	2015	69%	38.77″
Nov 17	0.31″	2.02″	1958	64%	39.08″
Nov 18	0.32″	4.33″	1962	69%	39.39″
Nov 19	0.31″	3.41″	1959	60%	39.70″
Nov 20	0.30″	2.01″	1960	60%	40.00″
Nov 21	0.29″	2.87″	1959	65%	40.29″
Nov 22	0.29″	3.39″	1986	69%	40.59″
Nov 23	0.30″	4.08″	1990	73%	40.89″
Nov 24	0.29″	3.06″	1998	68%	41.18″
Nov 25	0.30″	2.50″	1949	69%	41.48″
Nov 26	0.28″	1.65″	2025	63%	41.76″
Nov 27	0.27″	2.11″	2001	59%	42.03″
Nov 28	0.26″	2.37″	1995	63%	42.29″
Nov 29	0.24″	2.50″	1994	65%	42.53″
Nov 30	0.24″	2.40″	1979	69%	42.77″
Dec 1	0.24″	2.14″	1948	72%	43.02″
Dec 2	0.23″	3.19″	2007	65%	43.25″
Dec 3	0.24″	2.27″	1989	64%	43.49″
Dec 4	0.25″	2.96″	2023	64%	43.74″
Dec 5	0.25″	1.49″	1970	62%	43.99″
Dec 6	0.25″	1.13″	1998	63%	44.24″
Dec 7	0.25″	3.03″	2025	59%	44.49″
Dec 8	0.24″	2.55″	1987	72%	44.73″
Dec 9	0.25″	3.50″	1956	74%	44.98″
Dec 10	0.25″	2.33″	1955	71%	45.22″
Dec 11	0.26″	1.80″	1966	64%	45.48″
Dec 12	0.28″	2.12″	2001	67%	45.76″
Dec 13	0.28″	2.31″	1959	73%	46.04″
Dec 14	0.28″	2.53″	1999	77%	46.33″
Dec 15	0.28″	2.90″	2001	63%	46.61″
Dec 16	0.28″	1.47″	1979	64%	46.89″
Dec 17	0.28″	2.36″	2024	76%	47.16″
Dec 18	0.27″	2.17″	2019	73%	47.43″
Dec 19	0.26″	2.87″	2019	73%	47.69″
Dec 20	0.26″	1.69″	1955	69%	47.96″
Dec 21	0.26″	1.62″	1964	59%	48.22″
Dec 22	0.26″	1.59″	2005	64%	48.47″
Dec 23	0.25″	1.15″	1972	69%	48.72″
Dec 24	0.25″	1.46″	1957	71%	48.97″
Dec 25	0.25″	2.45″	1994	62%	49.22″
Dec 26	0.24″	2.94″	1949	77%	49.47″
Dec 27	0.22″	1.20″	2011	69%	49.69″
Dec 28	0.23″	1.86″	1983	62%	49.92″
Dec 29	0.24″	2.50″	1970	67%	50.16″
Dec 30	0.25″	1.56″	2019	58%	50.41″
Dec 31	0.27″	1.63″	1996	70%	50.68″

Records & forecast → Olympia station Every Day of the Year → national almanac

Data: NOAA/NWS ThreadEx (RCC-ACIS) · normals 1991–2020 (or full record) · part of Weather Trader