San Juan, PR

18.433°N, 66.011°W · station SJUthr · 1898–2026 · 129 years · normal 59.8 in/yr

The Accumulation Ribbon

Every day of the year at San Juan: how the rain adds up. The filled curve is the normal running total; the dashed lines are the wettest (2010) and driest (1991) years on record; the white line is 2026 so far.

Normal to date Wettest / driest year 2026 so far normal annual 59.8 in

All-Time Extremes

Driest year

35.5in

1991 · mean 58.7 in

Longest dry streak

36 days

< 0.01 in · ended 2005-04-02

Wettest day ever

9.67in

Aug 15, 1944

Wettest year

89.5in

2010 · mean 58.7 in

Longest wet streak

44 days

≥ 0.01 in · ended 1913-01-22

Wettest month ever

18.56in

Aug 2011

Records by Month

Month	Wettest day	Normal	Wettest month
Jan	4.98″ Jan 26, 1969	3.20″	15.47″ 1937
Feb	4.35″ Feb 24, 2020	2.21″	11.69″ 2022
Mar	3.12″ Mar 9, 1973	2.06″	9.38″ 1927
Apr	7.10″ Apr 15, 1988	3.17″	15.00″ 2005
May	4.97″ May 25, 1936	5.01″	16.88″ 1936
Jun	6.18″ Jun 13, 1938	4.57″	13.60″ 2011
Jul	9.23″ Jul 18, 2013	5.10″	14.17″ 2013
Aug	9.67″ Aug 15, 1944	5.59″	18.56″ 2011
Sep	8.84″ Sep 18, 1989	5.52″	15.79″ 2017
Oct	5.20″ Oct 27, 2023	5.46″	15.06″ 1970
Nov	7.92″ Nov 11, 1931	5.68″	17.65″ 2016
Dec	8.84″ Dec 14, 1910	4.40″	16.81″ 1981

Record Daily Rainfall

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

Year by Year

Driest years

1991	35.53 in
1971	35.58 in
1980	35.95 in
1972	37.72 in
2000	39.77 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	0.13″	3.27″	1942	72%	0.13″
Jan 2	0.13″	3.11″	1937	63%	0.26″
Jan 3	0.14″	4.52″	1934	62%	0.40″
Jan 4	0.13″	1.71″	1937	63%	0.53″
Jan 5	0.13″	2.77″	1943	62%	0.66″
Jan 6	0.14″	2.09″	1998	68%	0.80″
Jan 7	0.15″	3.70″	1998	62%	0.95″
Jan 8	0.15″	1.25″	1951	65%	1.10″
Jan 9	0.15″	1.94″	1930	63%	1.26″
Jan 10	0.15″	1.94″	1937	61%	1.40″
Jan 11	0.15″	0.87″	1902	73%	1.55″
Jan 12	0.15″	1.89″	1958	58%	1.70″
Jan 13	0.14″	2.69″	1902	65%	1.85″
Jan 14	0.14″	3.51″	2010	69%	1.99″
Jan 15	0.13″	3.06″	1902	63%	2.12″
Jan 16	0.13″	1.63″	1932	59%	2.25″
Jan 17	0.14″	0.74″	1932	60%	2.39″
Jan 18	0.14″	0.81″	1940	62%	2.52″
Jan 19	0.14″	2.21″	1945	61%	2.66″
Jan 20	0.13″	2.63″	1977	55%	2.79″
Jan 21	0.13″	2.60″	2008	58%	2.92″
Jan 22	0.12″	1.32″	1997	59%	3.04″
Jan 23	0.11″	2.23″	1977	55%	3.15″
Jan 24	0.11″	2.73″	1909	61%	3.26″
Jan 25	0.11″	1.35″	1910	51%	3.37″
Jan 26	0.11″	4.98″	1969	57%	3.48″
Jan 27	0.10″	1.01″	1905	55%	3.58″
Jan 28	0.10″	0.76″	1927	52%	3.68″
Jan 29	0.10″	1.21″	1956	53%	3.79″
Jan 30	0.10″	1.17″	1944	58%	3.89″
Jan 31	0.10″	1.24″	2024	56%	3.99″
Feb 1	0.10″	1.94″	1956	55%	4.09″
Feb 2	0.10″	0.98″	1982	59%	4.18″
Feb 3	0.09″	3.48″	1950	59%	4.28″
Feb 4	0.09″	1.95″	1935	59%	4.37″
Feb 5	0.09″	3.82″	2022	52%	4.46″
Feb 6	0.08″	2.73″	2022	55%	4.54″
Feb 7	0.09″	1.87″	1935	58%	4.63″
Feb 8	0.09″	1.67″	2026	48%	4.72″
Feb 9	0.09″	1.38″	2009	54%	4.80″
Feb 10	0.08″	2.32″	1960	50%	4.89″
Feb 11	0.08″	1.75″	1952	55%	4.97″
Feb 12	0.08″	1.36″	1915	52%	5.05″
Feb 13	0.08″	1.77″	1952	51%	5.14″
Feb 14	0.09″	2.09″	1904	53%	5.22″
Feb 15	0.08″	1.44″	1954	55%	5.31″
Feb 16	0.08″	1.25″	1989	56%	5.39″
Feb 17	0.09″	2.13″	1989	54%	5.47″
Feb 18	0.10″	0.65″	1991	50%	5.57″
Feb 19	0.10″	0.84″	1915	51%	5.67″
Feb 20	0.10″	1.98″	1915	55%	5.76″
Feb 21	0.10″	1.77″	1954	53%	5.86″
Feb 22	0.09″	1.12″	1914	49%	5.95″
Feb 23	0.09″	3.98″	1918	48%	6.04″
Feb 24	0.09″	4.35″	2020	42%	6.13″
Feb 25	0.09″	1.47″	1999	40%	6.22″
Feb 26	0.09″	0.83″	2024	52%	6.31″
Feb 27	0.09″	2.13″	1947	48%	6.39″
Feb 28	0.09″	2.73″	1969	41%	6.48″
Feb 29	0.08″	1.26″	1906	40%	6.56″
Mar 1	0.07″	1.18″	1969	42%	6.63″
Mar 2	0.08″	2.41″	1933	41%	6.71″
Mar 3	0.07″	2.27″	1927	49%	6.78″
Mar 4	0.06″	1.37″	1927	54%	6.84″
Mar 5	0.06″	1.13″	1910	54%	6.90″
Mar 6	0.06″	1.05″	2010	53%	6.96″
Mar 7	0.06″	1.34″	1978	51%	7.02″
Mar 8	0.06″	3.12″	1973	44%	7.08″
Mar 9	0.06″	1.55″	2020	51%	7.14″
Mar 10	0.06″	1.25″	1940	48%	7.20″
Mar 11	0.06″	1.29″	1983	48%	7.25″
Mar 12	0.05″	0.66″	1918	52%	7.30″
Mar 13	0.05″	1.09″	1998	46%	7.35″
Mar 14	0.05″	1.58″	2023	48%	7.40″
Mar 15	0.06″	2.13″	1987	43%	7.46″
Mar 16	0.06″	2.56″	1914	38%	7.52″
Mar 17	0.06″	2.74″	1966	43%	7.58″
Mar 18	0.07″	0.82″	1901	39%	7.65″
Mar 19	0.07″	0.58″	1926	33%	7.72″
Mar 20	0.07″	1.96″	1902	40%	7.80″
Mar 21	0.07″	1.60″	2026	38%	7.87″
Mar 22	0.08″	1.77″	2018	38%	7.95″
Mar 23	0.08″	1.44″	1909	52%	8.03″
Mar 24	0.09″	1.46″	2026	44%	8.12″
Mar 25	0.09″	3.09″	2012	47%	8.21″
Mar 26	0.09″	1.32″	1925	45%	8.30″
Mar 27	0.10″	1.91″	1938	41%	8.40″
Mar 28	0.10″	2.78″	1958	45%	8.50″
Mar 29	0.11″	2.65″	2012	43%	8.61″
Mar 30	0.10″	1.34″	1953	44%	8.70″
Mar 31	0.10″	2.14″	2006	38%	8.80″
Apr 1	0.10″	0.96″	1999	47%	8.91″
Apr 2	0.10″	4.55″	1906	39%	9.00″
Apr 3	0.10″	1.24″	2006	43%	9.10″
Apr 4	0.10″	2.54″	1943	50%	9.21″
Apr 5	0.11″	3.40″	1915	38%	9.31″
Apr 6	0.10″	6.19″	1915	42%	9.41″
Apr 7	0.11″	2.06″	2023	46%	9.52″
Apr 8	0.11″	3.54″	1925	46%	9.63″
Apr 9	0.13″	2.34″	1987	40%	9.76″
Apr 10	0.14″	2.57″	1978	46%	9.89″
Apr 11	0.14″	3.88″	1987	52%	10.03″
Apr 12	0.14″	1.48″	1941	53%	10.17″
Apr 13	0.16″	3.50″	1927	48%	10.33″
Apr 14	0.17″	2.25″	1995	45%	10.50″
Apr 15	0.17″	7.10″	1988	45%	10.67″
Apr 16	0.18″	2.54″	2017	45%	10.86″
Apr 17	0.18″	3.81″	2005	41%	11.04″
Apr 18	0.18″	2.78″	1966	48%	11.23″
Apr 19	0.18″	3.87″	1983	48%	11.41″
Apr 20	0.19″	4.90″	2005	53%	11.60″
Apr 21	0.19″	2.44″	2007	45%	11.79″
Apr 22	0.20″	4.67″	1973	51%	11.99″
Apr 23	0.20″	5.82″	2016	52%	12.19″
Apr 24	0.19″	4.09″	1899	45%	12.38″
Apr 25	0.19″	3.09″	1959	51%	12.57″
Apr 26	0.19″	2.55″	1924	42%	12.77″
Apr 27	0.19″	2.76″	1951	47%	12.96″
Apr 28	0.17″	2.19″	1993	45%	13.13″
Apr 29	0.17″	5.12″	1940	51%	13.30″
Apr 30	0.18″	1.90″	2011	52%	13.48″
May 1	0.17″	4.54″	1902	48%	13.65″
May 2	0.18″	2.65″	2006	52%	13.83″
May 3	0.17″	2.66″	1913	46%	14.01″
May 4	0.18″	2.92″	1910	52%	14.19″
May 5	0.18″	2.82″	1941	48%	14.37″
May 6	0.18″	2.13″	1932	56%	14.56″
May 7	0.18″	4.07″	1928	41%	14.74″
May 8	0.17″	2.74″	1982	55%	14.90″
May 9	0.18″	2.72″	2014	56%	15.08″
May 10	0.17″	2.22″	1982	57%	15.25″
May 11	0.17″	3.28″	2000	50%	15.42″
May 12	0.18″	4.51″	1986	58%	15.60″
May 13	0.17″	3.30″	1979	51%	15.77″
May 14	0.18″	3.95″	1995	59%	15.95″
May 15	0.17″	1.63″	1912	55%	16.12″
May 16	0.18″	2.92″	2010	55%	16.29″
May 17	0.17″	1.55″	1939	52%	16.47″
May 18	0.18″	3.14″	1904	48%	16.65″
May 19	0.18″	3.54″	1987	59%	16.83″
May 20	0.18″	2.56″	1939	55%	17.01″
May 21	0.18″	2.53″	2013	55%	17.19″
May 22	0.17″	2.16″	2008	49%	17.36″
May 23	0.18″	3.62″	2004	58%	17.54″
May 24	0.18″	2.60″	1987	59%	17.73″
May 25	0.19″	4.97″	1936	52%	17.91″
May 26	0.19″	2.70″	1992	55%	18.10″
May 27	0.18″	4.07″	1933	59%	18.28″
May 28	0.18″	2.79″	1956	51%	18.47″
May 29	0.18″	2.81″	1960	47%	18.65″
May 30	0.17″	1.97″	1970	50%	18.82″
May 31	0.17″	1.43″	1944	45%	18.99″
Jun 1	0.17″	2.16″	1947	49%	19.16″
Jun 2	0.17″	2.74″	2009	46%	19.33″
Jun 3	0.17″	1.96″	2008	54%	19.50″
Jun 4	0.19″	2.32″	1982	54%	19.69″
Jun 5	0.20″	1.60″	2008	55%	19.88″
Jun 6	0.19″	1.67″	1911	51%	20.07″
Jun 7	0.18″	2.72″	1992	58%	20.25″
Jun 8	0.17″	1.68″	1951	52%	20.42″
Jun 9	0.17″	3.50″	2021	49%	20.60″
Jun 10	0.17″	5.22″	1919	55%	20.76″
Jun 11	0.17″	3.17″	2013	53%	20.94″
Jun 12	0.17″	6.18″	1938	62%	21.11″
Jun 13	0.17″	2.15″	1946	54%	21.28″
Jun 14	0.17″	3.55″	1965	55%	21.45″
Jun 15	0.17″	2.27″	1944	48%	21.62″
Jun 16	0.17″	1.71″	1984	55%	21.79″
Jun 17	0.17″	2.45″	1960	61%	21.95″
Jun 18	0.15″	1.79″	2010	52%	22.10″
Jun 19	0.14″	1.70″	1939	51%	22.24″
Jun 20	0.13″	2.60″	1909	51%	22.36″
Jun 21	0.13″	3.60″	1910	50%	22.49″
Jun 22	0.13″	2.22″	1927	54%	22.63″
Jun 23	0.13″	2.37″	2013	52%	22.76″
Jun 24	0.13″	1.66″	1934	63%	22.89″
Jun 25	0.14″	1.32″	1931	52%	23.03″
Jun 26	0.12″	1.31″	1951	60%	23.15″
Jun 27	0.12″	2.19″	1929	66%	23.27″
Jun 28	0.13″	1.87″	1965	50%	23.40″
Jun 29	0.13″	3.20″	1952	48%	23.53″
Jun 30	0.13″	1.54″	1983	54%	23.66″
Jul 1	0.13″	1.71″	2022	57%	23.79″
Jul 2	0.14″	2.46″	1950	55%	23.93″
Jul 3	0.14″	1.10″	1948	61%	24.06″
Jul 4	0.14″	1.75″	1934	62%	24.21″
Jul 5	0.15″	1.73″	1990	65%	24.36″
Jul 6	0.17″	4.04″	1901	60%	24.52″
Jul 7	0.17″	1.58″	2023	59%	24.69″
Jul 8	0.17″	1.95″	2018	65%	24.87″
Jul 9	0.17″	2.04″	1938	55%	25.04″
Jul 10	0.19″	2.96″	1927	55%	25.23″
Jul 11	0.21″	3.01″	1905	59%	25.44″
Jul 12	0.21″	1.44″	1964	68%	25.65″
Jul 13	0.21″	2.22″	2002	68%	25.85″
Jul 14	0.22″	1.43″	1909	70%	26.07″
Jul 15	0.23″	1.73″	2010	66%	26.30″
Jul 16	0.21″	1.66″	1952	70%	26.51″
Jul 17	0.21″	9.23″	2013	64%	26.72″
Jul 18	0.21″	1.65″	1960	67%	26.93″
Jul 19	0.21″	2.41″	1915	63%	27.15″
Jul 20	0.20″	2.31″	2009	61%	27.35″
Jul 21	0.20″	2.23″	2007	65%	27.55″
Jul 22	0.21″	3.66″	1926	64%	27.76″
Jul 23	0.21″	3.00″	1949	60%	27.97″
Jul 24	0.22″	1.18″	1941	69%	28.19″
Jul 25	0.20″	1.81″	1957	61%	28.39″
Jul 26	0.19″	2.19″	1899	64%	28.59″
Jul 27	0.19″	2.07″	1942	57%	28.78″
Jul 28	0.18″	2.92″	1931	66%	28.96″
Jul 29	0.18″	2.35″	2019	67%	29.13″
Jul 30	0.17″	4.46″	2020	63%	29.31″
Jul 31	0.18″	1.67″	1909	63%	29.48″
Aug 1	0.18″	2.16″	1900	66%	29.66″
Aug 2	0.17″	2.19″	2011	65%	29.84″
Aug 3	0.17″	5.51″	1928	57%	30.00″
Aug 4	0.17″	1.46″	1943	60%	30.17″
Aug 5	0.16″	4.05″	1955	69%	30.34″
Aug 6	0.15″	1.94″	1910	58%	30.48″
Aug 7	0.14″	5.53″	1899	68%	30.63″
Aug 8	0.15″	2.36″	1908	62%	30.78″
Aug 9	0.16″	2.58″	1965	62%	30.95″
Aug 10	0.17″	2.12″	1973	63%	31.11″
Aug 11	0.17″	1.26″	1952	64%	31.29″
Aug 12	0.17″	3.19″	1956	67%	31.46″
Aug 13	0.17″	1.79″	1960	66%	31.63″
Aug 14	0.20″	2.56″	2024	66%	31.83″
Aug 15	0.22″	9.67″	1944	61%	32.05″
Aug 16	0.24″	3.00″	1903	76%	32.29″
Aug 17	0.25″	1.80″	1967	64%	32.54″
Aug 18	0.26″	1.35″	1926	60%	32.80″
Aug 19	0.26″	3.10″	1901	62%	33.06″
Aug 20	0.26″	2.72″	1983	50%	33.32″
Aug 21	0.27″	5.76″	2011	61%	33.58″
Aug 22	0.28″	4.15″	2011	65%	33.86″
Aug 23	0.25″	4.63″	2000	67%	34.11″
Aug 24	0.26″	4.08″	1988	65%	34.37″
Aug 25	0.24″	2.08″	1976	61%	34.61″
Aug 26	0.24″	2.41″	1984	61%	34.85″
Aug 27	0.24″	2.38″	1986	58%	35.10″
Aug 28	0.24″	2.88″	2009	64%	35.34″
Aug 29	0.23″	3.52″	2010	63%	35.57″
Aug 30	0.22″	2.63″	1979	58%	35.79″
Aug 31	0.20″	3.19″	1899	70%	36.00″
Sep 1	0.19″	3.45″	1931	60%	36.19″
Sep 2	0.18″	2.58″	1923	61%	36.37″
Sep 3	0.20″	1.79″	1954	56%	36.57″
Sep 4	0.20″	3.07″	1963	60%	36.78″
Sep 5	0.21″	5.42″	1910	67%	36.99″
Sep 6	0.20″	2.13″	1991	57%	37.19″
Sep 7	0.21″	1.61″	1989	50%	37.40″
Sep 8	0.21″	1.72″	1966	59%	37.60″
Sep 9	0.22″	1.82″	1988	57%	37.82″
Sep 10	0.23″	8.20″	1996	55%	38.05″
Sep 11	0.23″	2.90″	1905	51%	38.28″
Sep 12	0.25″	3.85″	2009	60%	38.53″
Sep 13	0.24″	7.39″	1928	65%	38.77″
Sep 14	0.26″	2.78″	1975	61%	39.02″
Sep 15	0.26″	3.82″	2004	69%	39.28″
Sep 16	0.26″	3.38″	1996	63%	39.54″
Sep 17	0.26″	8.84″	1989	65%	39.80″
Sep 18	0.24″	2.09″	1944	69%	40.05″
Sep 19	0.24″	7.11″	2017	64%	40.29″
Sep 20	0.23″	4.04″	1998	62%	40.52″
Sep 21	0.23″	3.39″	2017	69%	40.75″
Sep 22	0.22″	2.63″	2008	59%	40.97″
Sep 23	0.21″	2.00″	1924	57%	41.18″
Sep 24	0.20″	3.94″	1934	54%	41.38″
Sep 25	0.20″	1.97″	1964	61%	41.58″
Sep 26	0.19″	2.41″	1908	53%	41.78″
Sep 27	0.17″	2.32″	1932	54%	41.94″
Sep 28	0.15″	3.72″	1979	54%	42.10″
Sep 29	0.13″	2.30″	1899	51%	42.23″
Sep 30	0.13″	2.64″	1899	58%	42.36″
Oct 1	0.13″	2.29″	1953	46%	42.49″
Oct 2	0.14″	1.03″	1912	55%	42.63″
Oct 3	0.15″	1.31″	1937	58%	42.78″
Oct 4	0.15″	1.71″	1905	62%	42.93″
Oct 5	0.16″	4.35″	1970	56%	43.09″
Oct 6	0.16″	3.61″	1970	62%	43.25″
Oct 7	0.16″	1.20″	1921	63%	43.41″
Oct 8	0.17″	1.96″	1912	54%	43.58″
Oct 9	0.17″	4.02″	2005	57%	43.74″
Oct 10	0.17″	2.64″	2006	64%	43.92″
Oct 11	0.18″	2.05″	1926	54%	44.10″
Oct 12	0.18″	1.51″	1939	59%	44.27″
Oct 13	0.18″	3.70″	1943	60%	44.45″
Oct 14	0.18″	1.92″	2017	58%	44.63″
Oct 15	0.18″	1.93″	2017	54%	44.82″
Oct 16	0.18″	2.53″	1958	54%	45.00″
Oct 17	0.16″	1.87″	2011	50%	45.16″
Oct 18	0.15″	3.07″	1956	47%	45.31″
Oct 19	0.15″	2.38″	1942	51%	45.46″
Oct 20	0.15″	2.08″	1957	56%	45.62″
Oct 21	0.16″	1.97″	1998	59%	45.78″
Oct 22	0.16″	2.04″	1900	55%	45.94″
Oct 23	0.16″	3.34″	1918	57%	46.10″
Oct 24	0.17″	1.96″	1899	53%	46.27″
Oct 25	0.17″	2.16″	1978	51%	46.43″
Oct 26	0.18″	5.20″	2023	63%	46.61″
Oct 27	0.19″	2.49″	1941	60%	46.80″
Oct 28	0.21″	2.38″	2016	62%	47.00″
Oct 29	0.20″	2.61″	1927	63%	47.21″
Oct 30	0.23″	3.48″	1927	65%	47.43″
Oct 31	0.24″	4.91″	2024	64%	47.67″
Nov 1	0.26″	1.38″	2004	65%	47.93″
Nov 2	0.27″	1.74″	1932	59%	48.21″
Nov 3	0.27″	1.57″	2009	60%	48.48″
Nov 4	0.28″	3.74″	1992	56%	48.76″
Nov 5	0.27″	2.61″	2024	59%	49.03″
Nov 6	0.27″	3.41″	2014	62%	49.30″
Nov 7	0.27″	1.58″	1938	63%	49.57″
Nov 8	0.28″	3.83″	1952	66%	49.85″
Nov 9	0.27″	2.43″	1927	59%	50.12″
Nov 10	0.28″	7.92″	1931	70%	50.40″
Nov 11	0.27″	1.89″	1909	66%	50.67″
Nov 12	0.26″	1.86″	1958	64%	50.93″
Nov 13	0.28″	1.36″	1924	62%	51.21″
Nov 14	0.26″	2.54″	1923	66%	51.46″
Nov 15	0.25″	3.68″	1950	73%	51.71″
Nov 16	0.23″	2.82″	1979	69%	51.95″
Nov 17	0.23″	2.83″	1901	73%	52.18″
Nov 18	0.22″	3.32″	1917	65%	52.40″
Nov 19	0.23″	3.35″	1917	67%	52.62″
Nov 20	0.21″	3.58″	2016	66%	52.84″
Nov 21	0.22″	3.58″	1977	60%	53.06″
Nov 22	0.22″	1.96″	1951	59%	53.28″
Nov 23	0.21″	3.87″	1977	60%	53.50″
Nov 24	0.21″	7.07″	1979	64%	53.71″
Nov 25	0.20″	2.27″	1915	66%	53.91″
Nov 26	0.20″	4.05″	1915	66%	54.11″
Nov 27	0.22″	3.66″	1968	66%	54.34″
Nov 28	0.20″	2.44″	1937	65%	54.54″
Nov 29	0.20″	3.36″	2013	62%	54.74″
Nov 30	0.20″	4.64″	1922	63%	54.94″
Dec 1	0.19″	2.45″	1999	62%	55.13″
Dec 2	0.19″	3.49″	1951	67%	55.32″
Dec 3	0.19″	2.28″	1947	65%	55.51″
Dec 4	0.18″	3.41″	1915	61%	55.70″
Dec 5	0.18″	2.69″	1951	62%	55.88″
Dec 6	0.17″	1.41″	2015	73%	56.05″
Dec 7	0.18″	1.59″	1938	63%	56.23″
Dec 8	0.19″	2.80″	1975	60%	56.42″
Dec 9	0.19″	2.26″	2023	64%	56.60″
Dec 10	0.19″	2.26″	2007	63%	56.79″
Dec 11	0.17″	6.96″	1981	62%	56.97″
Dec 12	0.16″	2.17″	1910	59%	57.13″
Dec 13	0.16″	8.84″	1910	66%	57.29″
Dec 14	0.16″	3.28″	1934	68%	57.45″
Dec 15	0.16″	3.82″	2014	75%	57.61″
Dec 16	0.16″	1.08″	1902	75%	57.77″
Dec 17	0.16″	1.26″	1948	59%	57.93″
Dec 18	0.15″	4.49″	1903	64%	58.08″
Dec 19	0.15″	1.89″	1987	70%	58.23″
Dec 20	0.16″	1.72″	1982	71%	58.38″
Dec 21	0.15″	2.72″	2001	69%	58.54″
Dec 22	0.14″	0.91″	1966	66%	58.67″
Dec 23	0.13″	1.82″	2025	66%	58.80″
Dec 24	0.12″	2.10″	1950	66%	58.92″
Dec 25	0.12″	1.52″	1906	62%	59.04″
Dec 26	0.12″	1.90″	1981	64%	59.16″
Dec 27	0.12″	1.27″	2008	62%	59.28″
Dec 28	0.12″	1.44″	1931	60%	59.40″
Dec 29	0.12″	0.97″	1949	63%	59.51″
Dec 30	0.12″	2.25″	1936	66%	59.64″
Dec 31	0.14″	2.50″	1936	74%	59.78″

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

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