Portland, OR

45.596°N, 122.609°W · station PDXthr · 1940–2026 · 87 years · normal 37.0 in/yr

The Accumulation Ribbon

Every day of the year at Portland: how the rain adds up. The filled curve is the normal running total; the dashed lines are the wettest (1996) and driest (1985) years on record; the white line is 2026 so far.

Normal to date Wettest / driest year 2026 so far normal annual 37.0 in

All-Time Extremes

Driest year

22.5in

1985 · mean 36.9 in

Longest dry streak

71 days

< 0.01 in · ended 1967-09-01

Wettest day ever

2.69in

Nov 19, 1996

Wettest year

63.2in

1996 · mean 36.9 in

Longest wet streak

29 days

≥ 0.01 in · ended 1950-01-31

Wettest month ever

15.24in

Dec 2015

Records by Month

Month	Wettest day	Normal	Wettest month
Jan	2.49″ Jan 1, 2009	5.03″	12.83″ 1953
Feb	2.19″ Feb 5, 2017	3.68″	10.36″ 2017
Mar	1.73″ Mar 12, 2026	3.47″	7.89″ 2012
Apr	1.25″ Apr 21, 1988	2.31″	5.73″ 2022
May	1.47″ May 19, 1968	2.00″	5.55″ 1998
Jun	1.70″ Jun 6, 1958	1.44″	4.27″ 2010
Jul	1.06″ Jul 9, 1995	0.41″	2.68″ 1983
Aug	1.47″ Aug 25, 1977	0.59″	4.53″ 1968
Sep	2.23″ Sep 17, 1969	1.40″	5.62″ 2013
Oct	2.44″ Oct 27, 1994	3.06″	8.41″ 1994
Nov	2.69″ Nov 19, 1996	5.28″	11.92″ 2006
Dec	2.67″ Dec 7, 2015	5.88″	15.24″ 2015

Record Daily Rainfall

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

Year by Year

Driest years

1985	22.48 in
1944	23.37 in
1952	25.70 in
2019	26.67 in
1976	26.71 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	0.17″	2.49″	2009	57%	0.17″
Jan 2	0.17″	1.19″	1951	60%	0.34″
Jan 3	0.17″	1.49″	2022	60%	0.51″
Jan 4	0.16″	1.93″	1956	60%	0.67″
Jan 5	0.16″	1.15″	2022	63%	0.83″
Jan 6	0.15″	2.48″	1948	58%	0.98″
Jan 7	0.16″	1.47″	1953	63%	1.14″
Jan 8	0.15″	1.46″	1953	65%	1.30″
Jan 9	0.15″	1.14″	1980	62%	1.45″
Jan 10	0.16″	1.35″	1979	71%	1.61″
Jan 11	0.17″	1.01″	1972	64%	1.77″
Jan 12	0.17″	1.94″	2021	66%	1.95″
Jan 13	0.18″	1.28″	1980	58%	2.13″
Jan 14	0.17″	1.50″	1974	53%	2.30″
Jan 15	0.17″	1.98″	1974	60%	2.48″
Jan 16	0.17″	1.13″	1982	65%	2.65″
Jan 17	0.17″	1.80″	2015	58%	2.82″
Jan 18	0.17″	1.11″	2019	57%	2.99″
Jan 19	0.17″	1.98″	1950	49%	3.16″
Jan 20	0.16″	1.73″	1972	51%	3.32″
Jan 21	0.16″	1.10″	1943	55%	3.48″
Jan 22	0.17″	2.03″	1970	59%	3.65″
Jan 23	0.17″	1.48″	1965	57%	3.82″
Jan 24	0.17″	1.20″	1964	57%	3.98″
Jan 25	0.15″	1.54″	1964	55%	4.14″
Jan 26	0.14″	1.05″	1956	53%	4.28″
Jan 27	0.14″	1.56″	1954	56%	4.42″
Jan 28	0.13″	1.20″	1990	53%	4.55″
Jan 29	0.14″	0.91″	2006	59%	4.69″
Jan 30	0.14″	1.14″	1997	57%	4.83″
Jan 31	0.14″	2.33″	1987	63%	4.98″
Feb 1	0.14″	1.15″	1961	62%	5.12″
Feb 2	0.14″	1.13″	1968	48%	5.26″
Feb 3	0.14″	0.68″	1952	58%	5.41″
Feb 4	0.14″	0.82″	1942	53%	5.55″
Feb 5	0.14″	2.19″	2017	58%	5.68″
Feb 6	0.13″	2.16″	1996	53%	5.81″
Feb 7	0.12″	1.90″	1996	56%	5.93″
Feb 8	0.12″	1.86″	1996	56%	6.06″
Feb 9	0.13″	1.51″	1949	51%	6.18″
Feb 10	0.14″	1.72″	1961	48%	6.32″
Feb 11	0.14″	0.78″	1954	55%	6.46″
Feb 12	0.14″	1.21″	1954	59%	6.61″
Feb 13	0.14″	0.90″	1959	57%	6.75″
Feb 14	0.13″	0.76″	1947	64%	6.88″
Feb 15	0.13″	1.11″	1970	66%	7.01″
Feb 16	0.13″	1.70″	2017	69%	7.14″
Feb 17	0.13″	1.78″	1949	56%	7.27″
Feb 18	0.13″	1.38″	1968	58%	7.40″
Feb 19	0.13″	1.27″	1968	59%	7.54″
Feb 20	0.13″	1.71″	1982	52%	7.67″
Feb 21	0.14″	0.77″	1949	53%	7.81″
Feb 22	0.14″	1.09″	1957	56%	7.95″
Feb 23	0.14″	1.08″	2026	56%	8.09″
Feb 24	0.14″	1.89″	1994	55%	8.22″
Feb 25	0.13″	1.30″	1957	48%	8.36″
Feb 26	0.13″	0.73″	2000	56%	8.48″
Feb 27	0.13″	1.32″	1976	55%	8.61″
Feb 28	0.12″	1.66″	2011	58%	8.73″
Feb 29	0.12″	1.10″	2024	56%	8.85″
Mar 1	0.13″	0.78″	1972	59%	8.98″
Mar 2	0.12″	1.26″	1987	58%	9.11″
Mar 3	0.12″	0.63″	1996	57%	9.23″
Mar 4	0.13″	1.18″	2014	55%	9.36″
Mar 5	0.13″	0.89″	1970	55%	9.49″
Mar 6	0.14″	1.00″	1957	50%	9.63″
Mar 7	0.14″	0.97″	1954	55%	9.77″
Mar 8	0.14″	1.27″	1983	60%	9.90″
Mar 9	0.14″	0.68″	2011	55%	10.04″
Mar 10	0.14″	1.15″	2002	56%	10.18″
Mar 11	0.14″	1.73″	2026	57%	10.31″
Mar 12	0.13″	1.19″	2023	60%	10.44″
Mar 13	0.13″	1.44″	2015	63%	10.57″
Mar 14	0.13″	0.94″	2015	65%	10.71″
Mar 15	0.14″	0.83″	2012	56%	10.84″
Mar 16	0.13″	0.97″	1992	51%	10.97″
Mar 17	0.13″	0.69″	1997	49%	11.11″
Mar 18	0.13″	0.63″	1997	52%	11.24″
Mar 19	0.13″	0.48″	1966	51%	11.37″
Mar 20	0.13″	0.71″	2025	53%	11.51″
Mar 21	0.13″	1.36″	1948	59%	11.63″
Mar 22	0.12″	1.00″	2015	63%	11.75″
Mar 23	0.12″	0.88″	2007	63%	11.87″
Mar 24	0.12″	1.23″	1962	63%	11.98″
Mar 25	0.11″	1.19″	2005	53%	12.09″
Mar 26	0.11″	1.17″	2005	58%	12.21″
Mar 27	0.11″	1.69″	2014	51%	12.32″
Mar 28	0.11″	1.54″	1983	52%	12.43″
Mar 29	0.11″	1.09″	2012	52%	12.54″
Mar 30	0.11″	1.47″	1943	58%	12.65″
Mar 31	0.11″	0.61″	2012	59%	12.76″
Apr 1	0.11″	0.67″	1993	53%	12.87″
Apr 2	0.11″	0.80″	1988	43%	12.99″
Apr 3	0.11″	0.78″	1991	45%	13.09″
Apr 4	0.11″	0.74″	1991	59%	13.20″
Apr 5	0.11″	0.78″	2019	52%	13.30″
Apr 6	0.11″	1.14″	2018	49%	13.42″
Apr 7	0.11″	1.20″	1984	52%	13.53″
Apr 8	0.11″	1.17″	1971	56%	13.64″
Apr 9	0.11″	1.06″	2023	58%	13.75″
Apr 10	0.11″	1.13″	2022	53%	13.86″
Apr 11	0.11″	1.23″	1955	52%	13.97″
Apr 12	0.11″	0.75″	1982	49%	14.08″
Apr 13	0.10″	0.88″	2011	48%	14.18″
Apr 14	0.09″	0.80″	2011	45%	14.27″
Apr 15	0.10″	0.42″	1993	57%	14.37″
Apr 16	0.10″	0.71″	1992	49%	14.47″
Apr 17	0.10″	0.55″	1970	44%	14.57″
Apr 18	0.10″	1.01″	1965	48%	14.67″
Apr 19	0.10″	0.60″	1980	49%	14.76″
Apr 20	0.09″	0.40″	1961	44%	14.85″
Apr 21	0.09″	1.25″	1988	50%	14.94″
Apr 22	0.08″	1.20″	1996	52%	15.02″
Apr 23	0.08″	1.02″	2017	50%	15.10″
Apr 24	0.08″	1.00″	1989	51%	15.18″
Apr 25	0.08″	0.58″	2024	48%	15.27″
Apr 26	0.08″	1.03″	1962	48%	15.35″
Apr 27	0.08″	0.60″	1951	50%	15.43″
Apr 28	0.08″	0.61″	1961	45%	15.52″
Apr 29	0.08″	0.73″	1942	47%	15.60″
Apr 30	0.07″	1.15″	1949	45%	15.67″
May 1	0.07″	0.78″	1984	44%	15.74″
May 2	0.07″	0.55″	1993	44%	15.81″
May 3	0.06″	1.02″	2009	43%	15.87″
May 4	0.06″	1.04″	1963	48%	15.94″
May 5	0.06″	1.07″	1948	36%	16.00″
May 6	0.06″	0.81″	1991	37%	16.06″
May 7	0.07″	0.51″	1970	37%	16.13″
May 8	0.07″	0.68″	2005	41%	16.20″
May 9	0.07″	0.45″	1956	34%	16.27″
May 10	0.08″	0.42″	2000	37%	16.35″
May 11	0.08″	0.41″	1945	43%	16.42″
May 12	0.08″	1.08″	1978	43%	16.50″
May 13	0.08″	0.70″	1959	36%	16.58″
May 14	0.08″	0.75″	2011	45%	16.67″
May 15	0.09″	1.34″	1945	41%	16.76″
May 16	0.09″	1.23″	2025	36%	16.84″
May 17	0.09″	1.06″	2014	38%	16.94″
May 18	0.09″	0.90″	1993	42%	17.03″
May 19	0.10″	1.47″	1968	36%	17.13″
May 20	0.10″	0.74″	2006	29%	17.23″
May 21	0.10″	1.19″	2013	43%	17.33″
May 22	0.10″	0.96″	1997	40%	17.42″
May 23	0.10″	0.87″	1998	40%	17.52″
May 24	0.09″	0.96″	2008	35%	17.60″
May 25	0.08″	0.93″	1953	44%	17.69″
May 26	0.08″	1.03″	2012	42%	17.77″
May 27	0.08″	0.80″	1985	40%	17.84″
May 28	0.08″	0.53″	1954	37%	17.92″
May 29	0.08″	0.58″	1943	30%	18.00″
May 30	0.08″	1.45″	1997	33%	18.08″
May 31	0.07″	0.44″	1947	28%	18.15″
Jun 1	0.07″	0.97″	1968	29%	18.23″
Jun 2	0.07″	0.70″	1997	33%	18.30″
Jun 3	0.07″	0.71″	2008	37%	18.37″
Jun 4	0.07″	0.79″	1984	38%	18.44″
Jun 5	0.07″	1.70″	1958	40%	18.51″
Jun 6	0.07″	1.02″	1981	33%	18.57″
Jun 7	0.06″	0.59″	1981	30%	18.64″
Jun 8	0.06″	0.72″	1950	33%	18.70″
Jun 9	0.06″	1.42″	2022	41%	18.76″
Jun 10	0.06″	0.66″	1948	31%	18.82″
Jun 11	0.06″	0.50″	1982	37%	18.88″
Jun 12	0.06″	0.68″	2021	31%	18.94″
Jun 13	0.05″	0.89″	1980	38%	18.99″
Jun 14	0.05″	0.56″	1954	31%	19.05″
Jun 15	0.05″	0.62″	2005	30%	19.09″
Jun 16	0.05″	0.58″	1943	29%	19.14″
Jun 17	0.05″	0.98″	2023	24%	19.19″
Jun 18	0.05″	0.96″	2009	28%	19.24″
Jun 19	0.05″	1.39″	1991	29%	19.29″
Jun 20	0.05″	1.46″	1984	20%	19.33″
Jun 21	0.05″	0.47″	1993	20%	19.38″
Jun 22	0.04″	0.87″	1969	20%	19.43″
Jun 23	0.04″	0.82″	1971	28%	19.47″
Jun 24	0.04″	0.35″	2026	34%	19.51″
Jun 25	0.04″	0.58″	1969	26%	19.56″
Jun 26	0.04″	0.51″	2014	27%	19.59″
Jun 27	0.03″	0.91″	2002	30%	19.63″
Jun 28	0.03″	0.39″	1952	26%	19.66″
Jun 29	0.03″	0.81″	1954	20%	19.69″
Jun 30	0.03″	0.54″	2019	17%	19.73″
Jul 1	0.03″	0.81″	1966	20%	19.75″
Jul 2	0.03″	0.25″	1986	15%	19.78″
Jul 3	0.02″	0.26″	2008	20%	19.80″
Jul 4	0.02″	0.38″	1961	17%	19.83″
Jul 5	0.02″	0.48″	1992	20%	19.85″
Jul 6	0.02″	0.37″	1963	9%	19.86″
Jul 7	0.02″	0.89″	1946	17%	19.88″
Jul 8	0.02″	1.06″	1995	19%	19.90″
Jul 9	0.02″	0.63″	1986	16%	19.91″
Jul 10	0.02″	0.24″	1972	9%	19.93″
Jul 11	0.02″	0.45″	2006	8%	19.95″
Jul 12	0.02″	0.15″	1957	13%	19.97″
Jul 13	0.02″	0.50″	1942	7%	19.99″
Jul 14	0.02″	0.80″	1978	13%	20.01″
Jul 15	0.02″	0.81″	1989	13%	20.03″
Jul 16	0.02″	0.67″	2011	11%	20.04″
Jul 17	0.02″	0.63″	1987	8%	20.06″
Jul 18	0.02″	0.89″	1983	8%	20.08″
Jul 19	0.01″	0.84″	1954	13%	20.09″
Jul 20	0.02″	0.51″	1945	11%	20.11″
Jul 21	0.02″	0.41″	2014	6%	20.12″
Jul 22	0.02″	0.62″	2014	9%	20.14″
Jul 23	0.02″	0.51″	1949	7%	20.16″
Jul 24	0.01″	0.42″	1983	9%	20.17″
Jul 25	0.01″	0.52″	1947	6%	20.18″
Jul 26	0.01″	0.25″	1947	8%	20.19″
Jul 27	0.01″	0.36″	1993	7%	20.20″
Jul 28	0.01″	0.17″	2001	7%	20.21″
Jul 29	0.01″	0.52″	1982	12%	20.22″
Jul 30	0.01″	0.38″	1985	5%	20.23″
Jul 31	0.01″	0.39″	1989	5%	20.24″
Aug 1	0.01″	0.32″	1956	8%	20.25″
Aug 2	0.01″	0.54″	1956	11%	20.26″
Aug 3	0.01″	0.20″	1956	11%	20.27″
Aug 4	0.01″	0.26″	1943	7%	20.28″
Aug 5	0.01″	0.43″	2025	13%	20.29″
Aug 6	0.01″	0.94″	1976	13%	20.30″
Aug 7	0.01″	0.63″	1976	7%	20.31″
Aug 8	0.01″	0.41″	1982	6%	20.33″
Aug 9	0.01″	0.80″	2019	11%	20.34″
Aug 10	0.01″	0.39″	2009	9%	20.35″
Aug 11	0.01″	0.38″	1978	7%	20.36″
Aug 12	0.01″	0.34″	1987	12%	20.38″
Aug 13	0.01″	0.19″	1968	9%	20.39″
Aug 14	0.02″	0.56″	1978	14%	20.41″
Aug 15	0.02″	0.73″	1976	14%	20.42″
Aug 16	0.02″	0.46″	1972	11%	20.44″
Aug 17	0.02″	0.90″	1948	9%	20.46″
Aug 18	0.02″	0.45″	1968	18%	20.48″
Aug 19	0.02″	1.20″	1968	12%	20.50″
Aug 20	0.02″	0.29″	2008	14%	20.52″
Aug 21	0.02″	0.69″	1975	21%	20.54″
Aug 22	0.02″	1.20″	1977	21%	20.56″
Aug 23	0.02″	0.94″	1968	19%	20.59″
Aug 24	0.02″	1.47″	1977	24%	20.61″
Aug 25	0.03″	1.29″	1956	18%	20.63″
Aug 26	0.03″	0.42″	1975	16%	20.66″
Aug 27	0.03″	0.61″	1983	27%	20.69″
Aug 28	0.03″	1.13″	1983	26%	20.71″
Aug 29	0.03″	0.64″	1954	25%	20.74″
Aug 30	0.03″	0.55″	2023	16%	20.76″
Aug 31	0.03″	1.48″	1971	18%	20.79″
Sep 1	0.03″	0.86″	1979	18%	20.82″
Sep 2	0.03″	1.18″	1945	21%	20.85″
Sep 3	0.03″	1.00″	1959	19%	20.88″
Sep 4	0.03″	0.75″	2009	19%	20.91″
Sep 5	0.03″	0.99″	2013	18%	20.93″
Sep 6	0.03″	1.55″	2010	25%	20.96″
Sep 7	0.03″	0.25″	1994	16%	20.99″
Sep 8	0.04″	0.61″	1978	22%	21.03″
Sep 9	0.04″	1.18″	1985	27%	21.08″
Sep 10	0.05″	0.44″	1966	16%	21.13″
Sep 11	0.05″	0.82″	2018	18%	21.18″
Sep 12	0.05″	0.50″	1955	20%	21.23″
Sep 13	0.05″	0.63″	2025	25%	21.29″
Sep 14	0.05″	2.03″	1996	38%	21.34″
Sep 15	0.05″	0.46″	1992	32%	21.39″
Sep 16	0.05″	2.23″	1969	34%	21.44″
Sep 17	0.05″	1.31″	2021	31%	21.49″
Sep 18	0.06″	1.14″	2021	31%	21.55″
Sep 19	0.06″	1.56″	1982	29%	21.60″
Sep 20	0.06″	0.63″	1945	25%	21.66″
Sep 21	0.07″	0.76″	1972	19%	21.73″
Sep 22	0.07″	0.86″	1986	19%	21.80″
Sep 23	0.07″	0.74″	1950	25%	21.86″
Sep 24	0.06″	1.48″	1986	31%	21.93″
Sep 25	0.06″	0.88″	2020	31%	21.99″
Sep 26	0.06″	1.30″	1955	27%	22.05″
Sep 27	0.06″	1.25″	2013	26%	22.11″
Sep 28	0.07″	1.44″	2013	21%	22.18″
Sep 29	0.07″	1.68″	2005	32%	22.24″
Sep 30	0.07″	0.98″	1997	28%	22.31″
Oct 1	0.07″	0.79″	1957	33%	22.38″
Oct 2	0.08″	0.69″	1967	28%	22.46″
Oct 3	0.08″	1.00″	1949	29%	22.54″
Oct 4	0.08″	0.80″	1950	34%	22.63″
Oct 5	0.08″	1.24″	1981	35%	22.71″
Oct 6	0.09″	0.79″	1962	38%	22.80″
Oct 7	0.08″	0.87″	1955	40%	22.88″
Oct 8	0.08″	1.66″	1955	35%	22.96″
Oct 9	0.09″	1.65″	1959	52%	23.05″
Oct 10	0.08″	0.79″	2020	42%	23.13″
Oct 11	0.09″	0.82″	1968	36%	23.22″
Oct 12	0.09″	1.11″	2012	35%	23.31″
Oct 13	0.10″	1.99″	2016	36%	23.40″
Oct 14	0.10″	1.06″	1947	28%	23.51″
Oct 15	0.10″	0.79″	2023	31%	23.61″
Oct 16	0.10″	0.77″	1947	37%	23.71″
Oct 17	0.10″	1.40″	1979	37%	23.81″
Oct 18	0.10″	1.32″	1947	43%	23.91″
Oct 19	0.11″	0.76″	1943	41%	24.02″
Oct 20	0.12″	2.13″	2017	48%	24.14″
Oct 21	0.12″	1.88″	2014	53%	24.25″
Oct 22	0.12″	0.79″	1951	43%	24.38″
Oct 23	0.14″	1.31″	1943	45%	24.52″
Oct 24	0.14″	1.10″	1955	52%	24.66″
Oct 25	0.14″	2.33″	1994	50%	24.80″
Oct 26	0.14″	2.44″	1994	50%	24.95″
Oct 27	0.15″	1.62″	1982	55%	25.10″
Oct 28	0.15″	1.14″	1997	56%	25.25″
Oct 29	0.16″	1.20″	1997	51%	25.41″
Oct 30	0.16″	2.44″	1994	55%	25.57″
Oct 31	0.17″	1.21″	2005	53%	25.74″
Nov 1	0.17″	1.31″	1984	50%	25.90″
Nov 2	0.16″	1.88″	1983	59%	26.07″
Nov 3	0.16″	1.87″	1969	60%	26.22″
Nov 4	0.16″	1.12″	2006	63%	26.38″
Nov 5	0.16″	2.53″	2006	62%	26.54″
Nov 6	0.15″	1.31″	1980	65%	26.70″
Nov 7	0.15″	1.00″	1973	53%	26.84″
Nov 8	0.15″	1.40″	1973	57%	26.99″
Nov 9	0.15″	1.30″	1962	62%	27.14″
Nov 10	0.16″	2.01″	1995	62%	27.30″
Nov 11	0.17″	1.31″	2021	62%	27.47″
Nov 12	0.18″	1.37″	1941	66%	27.64″
Nov 13	0.17″	1.27″	1963	56%	27.82″
Nov 14	0.18″	2.43″	1950	62%	28.00″
Nov 15	0.19″	1.13″	1953	58%	28.18″
Nov 16	0.20″	1.46″	1946	66%	28.38″
Nov 17	0.21″	1.99″	1946	63%	28.59″
Nov 18	0.21″	1.78″	1996	73%	28.80″
Nov 19	0.21″	2.69″	1996	53%	29.00″
Nov 20	0.21″	1.24″	1961	63%	29.21″
Nov 21	0.21″	2.35″	2011	58%	29.42″
Nov 22	0.22″	1.80″	1942	60%	29.63″
Nov 23	0.22″	1.24″	1960	65%	29.85″
Nov 24	0.22″	2.31″	1960	66%	30.07″
Nov 25	0.22″	2.26″	1945	59%	30.30″
Nov 26	0.20″	1.49″	1995	62%	30.50″
Nov 27	0.20″	1.97″	1984	61%	30.70″
Nov 28	0.19″	0.89″	1940	56%	30.89″
Nov 29	0.19″	1.63″	1994	67%	31.08″
Nov 30	0.19″	1.69″	1987	70%	31.26″
Dec 1	0.18″	1.74″	1977	67%	31.45″
Dec 2	0.18″	2.08″	1980	62%	31.63″
Dec 3	0.19″	1.69″	1980	62%	31.82″
Dec 4	0.20″	1.80″	1981	60%	32.02″
Dec 5	0.20″	1.68″	2023	64%	32.21″
Dec 6	0.20″	2.67″	2015	56%	32.41″
Dec 7	0.19″	1.66″	2015	50%	32.60″
Dec 8	0.19″	1.66″	2025	66%	32.79″
Dec 9	0.19″	1.23″	1958	64%	32.98″
Dec 10	0.19″	1.43″	1992	53%	33.17″
Dec 11	0.19″	0.93″	1973	59%	33.36″
Dec 12	0.19″	1.84″	1977	56%	33.55″
Dec 13	0.20″	1.35″	1946	59%	33.75″
Dec 14	0.20″	1.84″	1982	59%	33.94″
Dec 15	0.19″	1.19″	1994	57%	34.14″
Dec 16	0.19″	1.87″	2015	47%	34.32″
Dec 17	0.18″	2.10″	2025	64%	34.50″
Dec 18	0.17″	1.72″	1941	60%	34.68″
Dec 19	0.18″	1.28″	1961	70%	34.85″
Dec 20	0.18″	1.99″	1955	65%	35.03″
Dec 21	0.18″	1.80″	1964	66%	35.21″
Dec 22	0.18″	1.50″	1964	65%	35.40″
Dec 23	0.18″	0.86″	1972	63%	35.57″
Dec 24	0.18″	1.72″	1980	60%	35.75″
Dec 25	0.19″	2.12″	2022	62%	35.94″
Dec 26	0.19″	2.17″	1942	70%	36.13″
Dec 27	0.18″	0.94″	2005	67%	36.31″
Dec 28	0.17″	1.66″	1983	58%	36.49″
Dec 29	0.17″	1.62″	1996	60%	36.65″
Dec 30	0.17″	1.30″	1979	63%	36.82″
Dec 31	0.17″	1.32″	1996	64%	37.00″

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

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