Rapid City, SD

44.046°N, 103.054°W · station RAPthr · 1942–2026 · 85 years · normal 17.2 in/yr

The Accumulation Ribbon

Every day of the year at Rapid City: how the rain adds up. The filled curve is the normal running total; the dashed lines are the wettest (2019) and driest (1974) years on record; the white line is 2026 so far.

Normal to date Wettest / driest year 2026 so far normal annual 17.2 in

All-Time Extremes

Driest year

9.1in

1974 · mean 16.8 in

Longest dry streak

49 days

< 0.01 in · ended 2004-12-20

Wettest day ever

3.78in

Jun 15, 1963

Wettest year

28.4in

2019 · mean 16.8 in

Longest wet streak

10 days

≥ 0.01 in · ended 1959-06-30

Wettest month ever

8.18in

May 1996

Records by Month

Month	Wettest day	Normal	Wettest month
Jan	1.26″ Jan 27, 1944	0.29″	1.77″ 1944
Feb	0.87″ Feb 9, 1953	0.44″	2.46″ 1953
Mar	2.01″ Mar 25, 1945	0.82″	3.02″ 1945
Apr	3.19″ Apr 5, 1997	1.62″	5.16″ 1967
May	3.21″ May 14, 1965	2.42″	8.18″ 1996
Jun	3.78″ Jun 15, 1963	2.86″	7.12″ 2015
Jul	2.50″ Jul 29, 1944	1.78″	6.37″ 2019
Aug	2.60″ Aug 4, 1982	1.42″	4.83″ 1982
Sep	2.13″ Sep 13, 1966	0.89″	3.94″ 1946
Oct	2.49″ Oct 9, 1982	0.91″	5.60″ 1998
Nov	1.02″ Nov 7, 1944	0.42″	2.22″ 1985
Dec	1.04″ Dec 31, 1975	0.35″	1.65″ 1975

Record Daily Rainfall

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

Year by Year

Driest years

1974	9.12 in
1961	9.98 in
2002	10.27 in
1994	10.50 in
1988	10.92 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	0.01″	0.28″	1970	14%	0.01″
Jan 2	0.01″	0.19″	1943	15%	0.02″
Jan 3	0.01″	0.60″	1949	19%	0.04″
Jan 4	0.01″	0.37″	1997	19%	0.05″
Jan 5	0.01″	0.16″	1976	12%	0.06″
Jan 6	0.01″	0.15″	1999	17%	0.07″
Jan 7	0.01″	0.35″	1975	13%	0.08″
Jan 8	0.01″	0.30″	1993	23%	0.09″
Jan 9	0.01″	0.15″	1993	24%	0.10″
Jan 10	0.01″	0.19″	1963	11%	0.11″
Jan 11	0.01″	0.18″	2005	21%	0.13″
Jan 12	0.01″	0.26″	1979	10%	0.13″
Jan 13	0.01″	0.14″	1994	20%	0.14″
Jan 14	0.01″	0.39″	1953	24%	0.15″
Jan 15	0.01″	0.30″	1985	32%	0.16″
Jan 16	0.01″	0.16″	2023	14%	0.17″
Jan 17	0.01″	0.22″	1996	20%	0.18″
Jan 18	0.01″	0.19″	1975	21%	0.19″
Jan 19	0.01″	0.15″	1945	12%	0.20″
Jan 20	0.01″	0.26″	2008	25%	0.21″
Jan 21	0.01″	0.28″	1986	25%	0.22″
Jan 22	0.01″	0.19″	1965	17%	0.23″
Jan 23	0.01″	0.25″	1964	15%	0.24″
Jan 24	0.01″	0.21″	1970	24%	0.25″
Jan 25	0.01″	0.18″	1944	31%	0.26″
Jan 26	0.01″	0.16″	1975	24%	0.26″
Jan 27	0.01″	1.26″	1944	25%	0.28″
Jan 28	0.01″	0.34″	1947	19%	0.29″
Jan 29	0.01″	0.21″	2001	19%	0.29″
Jan 30	0.01″	0.65″	1971	20%	0.30″
Jan 31	0.01″	0.23″	1971	24%	0.32″
Feb 1	0.01″	0.15″	1989	19%	0.33″
Feb 2	0.01″	0.19″	1995	20%	0.34″
Feb 3	0.01″	0.35″	2024	24%	0.35″
Feb 4	0.01″	0.29″	1987	23%	0.37″
Feb 5	0.01″	0.13″	1974	23%	0.38″
Feb 6	0.01″	0.20″	1986	18%	0.39″
Feb 7	0.01″	0.23″	1967	26%	0.41″
Feb 8	0.01″	0.55″	1966	26%	0.42″
Feb 9	0.02″	0.87″	1953	33%	0.44″
Feb 10	0.02″	0.22″	1993	33%	0.45″
Feb 11	0.02″	0.24″	2008	19%	0.47″
Feb 12	0.02″	0.30″	2007	23%	0.49″
Feb 13	0.02″	0.30″	1962	25%	0.51″
Feb 14	0.02″	0.18″	1980	32%	0.52″
Feb 15	0.02″	0.35″	2019	35%	0.54″
Feb 16	0.02″	0.27″	1998	24%	0.56″
Feb 17	0.02″	0.50″	1991	19%	0.57″
Feb 18	0.02″	0.36″	1971	23%	0.59″
Feb 19	0.02″	0.61″	1953	27%	0.61″
Feb 20	0.02″	0.54″	2011	26%	0.63″
Feb 21	0.02″	0.11″	2013	29%	0.65″
Feb 22	0.02″	0.37″	2023	29%	0.67″
Feb 23	0.02″	0.25″	1948	21%	0.69″
Feb 24	0.02″	0.25″	2011	26%	0.71″
Feb 25	0.02″	0.75″	1998	23%	0.73″
Feb 26	0.02″	0.53″	1987	15%	0.75″
Feb 27	0.02″	0.30″	1987	25%	0.77″
Feb 28	0.02″	0.27″	2004	20%	0.80″
Feb 29	0.02″	0.64″	2004	23%	0.82″
Mar 1	0.03″	0.55″	1966	29%	0.85″
Mar 2	0.03″	0.63″	1985	27%	0.87″
Mar 3	0.03″	0.28″	1995	29%	0.90″
Mar 4	0.02″	0.87″	1992	31%	0.92″
Mar 5	0.02″	0.82″	1990	25%	0.95″
Mar 6	0.03″	0.28″	2019	26%	0.97″
Mar 7	0.02″	0.20″	2011	17%	0.99″
Mar 8	0.03″	1.25″	2000	25%	1.02″
Mar 9	0.03″	0.66″	1977	19%	1.04″
Mar 10	0.03″	0.32″	1956	25%	1.07″
Mar 11	0.03″	1.08″	1954	19%	1.10″
Mar 12	0.03″	0.84″	1973	28%	1.12″
Mar 13	0.03″	1.26″	1973	29%	1.15″
Mar 14	0.03″	0.26″	1972	24%	1.18″
Mar 15	0.03″	1.39″	1963	21%	1.20″
Mar 16	0.03″	0.70″	1971	31%	1.23″
Mar 17	0.03″	0.58″	1950	35%	1.26″
Mar 18	0.03″	0.45″	1992	23%	1.28″
Mar 19	0.03″	0.30″	2006	19%	1.31″
Mar 20	0.03″	0.49″	1946	24%	1.34″
Mar 21	0.03″	0.69″	1966	29%	1.37″
Mar 22	0.03″	0.78″	2009	30%	1.41″
Mar 23	0.03″	0.83″	2009	30%	1.44″
Mar 24	0.03″	2.01″	1945	21%	1.47″
Mar 25	0.03″	0.80″	1950	30%	1.50″
Mar 26	0.03″	0.56″	1975	30%	1.53″
Mar 27	0.04″	0.55″	1993	31%	1.57″
Mar 28	0.04″	0.75″	1977	24%	1.61″
Mar 29	0.05″	0.39″	2009	23%	1.66″
Mar 30	0.05″	0.43″	2023	23%	1.70″
Mar 31	0.05″	0.44″	2024	24%	1.75″
Apr 1	0.05″	0.36″	1946	32%	1.80″
Apr 2	0.06″	0.55″	1986	40%	1.86″
Apr 3	0.06″	1.04″	2009	33%	1.91″
Apr 4	0.06″	3.19″	1997	27%	1.97″
Apr 5	0.06″	0.76″	2006	29%	2.03″
Apr 6	0.06″	1.14″	2024	38%	2.09″
Apr 7	0.06″	0.92″	2024	30%	2.15″
Apr 8	0.07″	1.21″	2013	29%	2.22″
Apr 9	0.06″	0.90″	1963	33%	2.28″
Apr 10	0.07″	0.81″	1970	35%	2.35″
Apr 11	0.07″	0.80″	1970	31%	2.42″
Apr 12	0.07″	0.92″	1967	23%	2.49″
Apr 13	0.07″	0.96″	1996	26%	2.55″
Apr 14	0.07″	0.90″	2012	20%	2.62″
Apr 15	0.07″	1.23″	2024	30%	2.69″
Apr 16	0.07″	0.85″	1986	31%	2.75″
Apr 17	0.07″	1.67″	1970	31%	2.82″
Apr 18	0.07″	1.18″	1967	45%	2.89″
Apr 19	0.07″	1.20″	2000	40%	2.96″
Apr 20	0.07″	0.88″	2005	23%	3.03″
Apr 21	0.07″	0.68″	1944	26%	3.10″
Apr 22	0.08″	1.09″	2010	27%	3.17″
Apr 23	0.08″	0.45″	2000	31%	3.25″
Apr 24	0.08″	0.48″	2000	29%	3.33″
Apr 25	0.08″	1.64″	1984	45%	3.41″
Apr 26	0.07″	1.49″	2025	40%	3.48″
Apr 27	0.07″	1.05″	1976	37%	3.56″
Apr 28	0.08″	0.95″	1953	38%	3.63″
Apr 29	0.08″	2.06″	1967	37%	3.71″
Apr 30	0.09″	2.48″	1946	35%	3.80″
May 1	0.09″	1.86″	1988	30%	3.88″
May 2	0.10″	1.58″	2008	31%	3.98″
May 3	0.10″	0.64″	1959	29%	4.08″
May 4	0.10″	1.10″	2007	33%	4.18″
May 5	0.10″	1.61″	2015	42%	4.28″
May 6	0.10″	0.88″	2005	33%	4.38″
May 7	0.10″	1.36″	1965	46%	4.48″
May 8	0.09″	1.17″	2015	43%	4.57″
May 9	0.10″	1.81″	2010	39%	4.67″
May 10	0.09″	1.70″	2023	40%	4.76″
May 11	0.10″	0.84″	2023	36%	4.86″
May 12	0.10″	0.92″	1982	38%	4.96″
May 13	0.11″	3.21″	1965	31%	5.07″
May 14	0.11″	1.09″	2015	35%	5.18″
May 15	0.11″	0.89″	1955	39%	5.28″
May 16	0.12″	1.01″	1962	39%	5.40″
May 17	0.11″	0.82″	2000	35%	5.51″
May 18	0.10″	2.05″	2011	42%	5.62″
May 19	0.11″	1.51″	1957	42%	5.73″
May 20	0.12″	2.80″	1999	44%	5.85″
May 21	0.13″	0.99″	1954	43%	5.98″
May 22	0.13″	2.35″	1946	37%	6.11″
May 23	0.13″	1.74″	1996	39%	6.24″
May 24	0.13″	1.85″	1997	31%	6.37″
May 25	0.14″	0.88″	1990	44%	6.51″
May 26	0.14″	1.40″	1996	39%	6.64″
May 27	0.14″	1.68″	1996	46%	6.78″
May 28	0.13″	1.71″	2013	42%	6.91″
May 29	0.13″	1.09″	1959	49%	7.04″
May 30	0.13″	1.19″	1996	55%	7.17″
May 31	0.12″	1.31″	1951	49%	7.29″
Jun 1	0.12″	1.75″	1949	39%	7.40″
Jun 2	0.12″	0.96″	1995	37%	7.52″
Jun 3	0.11″	0.72″	2001	38%	7.64″
Jun 4	0.11″	1.51″	2020	42%	7.75″
Jun 5	0.10″	0.94″	2008	50%	7.85″
Jun 6	0.11″	1.56″	1993	55%	7.97″
Jun 7	0.11″	1.91″	2021	42%	8.07″
Jun 8	0.11″	2.18″	1986	43%	8.18″
Jun 9	0.11″	2.08″	1972	46%	8.29″
Jun 10	0.11″	1.00″	1967	38%	8.40″
Jun 11	0.10″	1.57″	1970	44%	8.50″
Jun 12	0.10″	0.86″	1943	37%	8.60″
Jun 13	0.11″	1.18″	2016	48%	8.71″
Jun 14	0.11″	3.78″	1963	39%	8.82″
Jun 15	0.10″	1.23″	1980	46%	8.93″
Jun 16	0.11″	1.91″	1946	52%	9.03″
Jun 17	0.10″	1.69″	1975	39%	9.14″
Jun 18	0.10″	1.74″	1953	32%	9.24″
Jun 19	0.09″	0.72″	1947	44%	9.33″
Jun 20	0.09″	1.95″	1947	49%	9.43″
Jun 21	0.09″	0.79″	2010	40%	9.51″
Jun 22	0.09″	0.83″	1967	40%	9.60″
Jun 23	0.08″	1.77″	2015	38%	9.68″
Jun 24	0.08″	1.78″	1968	31%	9.76″
Jun 25	0.07″	0.95″	1943	30%	9.83″
Jun 26	0.08″	0.72″	1952	33%	9.90″
Jun 27	0.07″	0.88″	2023	29%	9.98″
Jun 28	0.07″	1.00″	1965	32%	10.05″
Jun 29	0.07″	1.59″	1983	31%	10.11″
Jun 30	0.07″	1.10″	1961	33%	10.18″
Jul 1	0.06″	1.21″	1978	36%	10.24″
Jul 2	0.06″	1.13″	1956	37%	10.30″
Jul 3	0.06″	1.92″	2019	36%	10.36″
Jul 4	0.06″	1.21″	2004	27%	10.42″
Jul 5	0.06″	1.37″	1975	31%	10.49″
Jul 6	0.07″	0.69″	2008	27%	10.55″
Jul 7	0.07″	0.76″	1984	30%	10.63″
Jul 8	0.07″	1.25″	1955	33%	10.70″
Jul 9	0.08″	1.27″	2000	35%	10.78″
Jul 10	0.08″	0.91″	2023	33%	10.86″
Jul 11	0.07″	1.03″	1962	36%	10.93″
Jul 12	0.08″	1.78″	1962	27%	11.01″
Jul 13	0.08″	1.49″	1957	30%	11.08″
Jul 14	0.08″	2.46″	2015	36%	11.16″
Jul 15	0.08″	1.80″	1969	31%	11.24″
Jul 16	0.08″	1.39″	2018	31%	11.31″
Jul 17	0.07″	1.21″	1997	33%	11.39″
Jul 18	0.07″	1.95″	1958	31%	11.46″
Jul 19	0.08″	0.86″	1993	34%	11.54″
Jul 20	0.07″	1.21″	1978	31%	11.61″
Jul 21	0.07″	0.98″	1992	23%	11.68″
Jul 22	0.07″	0.94″	1969	29%	11.75″
Jul 23	0.07″	1.18″	2022	31%	11.82″
Jul 24	0.07″	1.31″	1981	33%	11.89″
Jul 25	0.07″	1.13″	1966	31%	11.96″
Jul 26	0.07″	0.74″	2015	23%	12.03″
Jul 27	0.07″	0.32″	1968	17%	12.09″
Jul 28	0.07″	1.18″	1983	34%	12.16″
Jul 29	0.06″	2.50″	1944	24%	12.22″
Jul 30	0.07″	2.00″	1999	27%	12.28″
Jul 31	0.06″	1.37″	2025	30%	12.35″
Aug 1	0.07″	0.52″	2000	29%	12.41″
Aug 2	0.07″	1.65″	1972	26%	12.48″
Aug 3	0.07″	2.60″	1982	29%	12.55″
Aug 4	0.07″	1.75″	2014	31%	12.62″
Aug 5	0.07″	0.51″	1982	30%	12.69″
Aug 6	0.08″	1.23″	1979	29%	12.77″
Aug 7	0.07″	1.00″	1945	32%	12.84″
Aug 8	0.07″	0.96″	1950	31%	12.90″
Aug 9	0.07″	0.96″	1954	26%	12.97″
Aug 10	0.06″	1.06″	2019	27%	13.03″
Aug 11	0.06″	1.31″	1948	39%	13.10″
Aug 12	0.06″	2.03″	1997	31%	13.15″
Aug 13	0.06″	1.37″	2017	31%	13.21″
Aug 14	0.05″	0.69″	1978	30%	13.26″
Aug 15	0.05″	0.39″	1980	21%	13.31″
Aug 16	0.05″	1.55″	2015	23%	13.36″
Aug 17	0.05″	0.72″	1968	25%	13.41″
Aug 18	0.04″	1.16″	1985	21%	13.45″
Aug 19	0.05″	0.53″	1965	23%	13.50″
Aug 20	0.04″	0.60″	1983	21%	13.54″
Aug 21	0.04″	1.06″	1983	25%	13.58″
Aug 22	0.04″	0.39″	2018	23%	13.61″
Aug 23	0.04″	0.86″	2007	15%	13.65″
Aug 24	0.04″	1.47″	2022	20%	13.69″
Aug 25	0.04″	1.60″	2015	23%	13.73″
Aug 26	0.04″	0.96″	2016	21%	13.77″
Aug 27	0.04″	0.41″	1990	19%	13.80″
Aug 28	0.04″	1.07″	2011	11%	13.84″
Aug 29	0.04″	0.50″	1963	25%	13.88″
Aug 30	0.04″	0.88″	2014	17%	13.92″
Aug 31	0.04″	1.09″	2018	27%	13.96″
Sep 1	0.04″	0.75″	1986	21%	14.00″
Sep 2	0.04″	0.40″	1968	21%	14.05″
Sep 3	0.04″	1.11″	1971	18%	14.09″
Sep 4	0.05″	1.76″	1990	19%	14.14″
Sep 5	0.05″	0.89″	2004	19%	14.18″
Sep 6	0.05″	0.86″	1946	21%	14.23″
Sep 7	0.05″	0.96″	2020	26%	14.28″
Sep 8	0.04″	0.85″	2002	30%	14.32″
Sep 9	0.04″	0.86″	2003	24%	14.36″
Sep 10	0.04″	1.65″	2019	20%	14.41″
Sep 11	0.05″	1.40″	2009	29%	14.46″
Sep 12	0.05″	2.13″	1966	26%	14.50″
Sep 13	0.04″	0.46″	2001	23%	14.55″
Sep 14	0.05″	0.53″	1967	21%	14.59″
Sep 15	0.05″	0.78″	1959	23%	14.64″
Sep 16	0.04″	0.57″	2025	26%	14.68″
Sep 17	0.04″	0.86″	1946	27%	14.72″
Sep 18	0.04″	0.61″	1950	24%	14.76″
Sep 19	0.03″	1.83″	1955	21%	14.79″
Sep 20	0.03″	0.45″	1998	20%	14.83″
Sep 21	0.03″	0.87″	2006	19%	14.86″
Sep 22	0.03″	1.32″	1977	23%	14.89″
Sep 23	0.04″	1.00″	1959	27%	14.93″
Sep 24	0.04″	0.46″	1955	20%	14.97″
Sep 25	0.04″	0.38″	1996	10%	15.00″
Sep 26	0.05″	0.78″	1982	17%	15.05″
Sep 27	0.05″	0.57″	2019	15%	15.10″
Sep 28	0.05″	2.05″	2014	21%	15.15″
Sep 29	0.05″	0.56″	2014	19%	15.20″
Sep 30	0.05″	0.77″	1977	24%	15.25″
Oct 1	0.05″	1.07″	1986	26%	15.29″
Oct 2	0.05″	0.92″	2013	19%	15.34″
Oct 3	0.05″	1.74″	2013	25%	15.39″
Oct 4	0.05″	0.68″	1946	24%	15.44″
Oct 5	0.05″	1.42″	1962	21%	15.49″
Oct 6	0.05″	0.48″	1949	21%	15.55″
Oct 7	0.05″	0.74″	1982	25%	15.60″
Oct 8	0.06″	2.49″	1982	17%	15.65″
Oct 9	0.06″	0.39″	2003	14%	15.71″
Oct 10	0.06″	0.84″	1981	21%	15.77″
Oct 11	0.04″	1.97″	2023	23%	15.81″
Oct 12	0.04″	0.74″	1942	21%	15.85″
Oct 13	0.04″	1.53″	2013	17%	15.89″
Oct 14	0.04″	0.83″	1994	15%	15.94″
Oct 15	0.04″	2.13″	1980	18%	15.98″
Oct 16	0.04″	1.04″	1998	18%	16.02″
Oct 17	0.04″	0.50″	1988	19%	16.06″
Oct 18	0.04″	0.46″	1957	14%	16.09″
Oct 19	0.04″	0.56″	2019	24%	16.13″
Oct 20	0.04″	0.30″	1942	12%	16.16″
Oct 21	0.03″	0.73″	1995	24%	16.20″
Oct 22	0.03″	0.45″	1975	14%	16.23″
Oct 23	0.03″	0.11″	1975	15%	16.25″
Oct 24	0.02″	0.54″	1954	11%	16.28″
Oct 25	0.03″	0.40″	1954	13%	16.30″
Oct 26	0.03″	0.19″	1946	10%	16.33″
Oct 27	0.02″	0.71″	1989	20%	16.35″
Oct 28	0.02″	0.44″	1979	22%	16.37″
Oct 29	0.02″	1.40″	1948	21%	16.40″
Oct 30	0.02″	0.12″	2000	15%	16.42″
Oct 31	0.02″	0.65″	2000	19%	16.44″
Nov 1	0.02″	0.40″	2000	21%	16.46″
Nov 2	0.02″	0.67″	1956	18%	16.48″
Nov 3	0.02″	0.40″	1959	19%	16.50″
Nov 4	0.02″	0.32″	2013	19%	16.52″
Nov 5	0.02″	0.50″	1986	17%	16.54″
Nov 6	0.02″	0.62″	2008	23%	16.56″
Nov 7	0.02″	1.02″	1944	19%	16.58″
Nov 8	0.01″	0.29″	1985	20%	16.59″
Nov 9	0.01″	0.59″	2024	26%	16.61″
Nov 10	0.01″	0.18″	2012	19%	16.62″
Nov 11	0.01″	0.38″	1988	23%	16.64″
Nov 12	0.01″	0.35″	1985	15%	16.65″
Nov 13	0.01″	0.31″	1944	23%	16.66″
Nov 14	0.01″	0.52″	1944	17%	16.67″
Nov 15	0.01″	0.36″	1971	17%	16.69″
Nov 16	0.01″	0.35″	2025	14%	16.70″
Nov 17	0.01″	0.33″	1999	15%	16.71″
Nov 18	0.01″	0.68″	1977	13%	16.72″
Nov 19	0.01″	0.25″	1947	15%	16.73″
Nov 20	0.01″	0.17″	2010	14%	16.75″
Nov 21	0.01″	0.11″	2010	8%	16.76″
Nov 22	0.01″	0.28″	1959	17%	16.77″
Nov 23	0.01″	0.16″	2014	15%	16.79″
Nov 24	0.01″	0.19″	1975	20%	16.80″
Nov 25	0.01″	0.36″	1993	25%	16.81″
Nov 26	0.01″	0.17″	1976	14%	16.83″
Nov 27	0.01″	0.10″	1991	13%	16.84″
Nov 28	0.01″	0.22″	1985	18%	16.85″
Nov 29	0.01″	0.59″	1954	20%	16.86″
Nov 30	0.01″	0.52″	2018	17%	16.88″
Dec 1	0.01″	0.28″	1980	18%	16.89″
Dec 2	0.01″	0.29″	1955	20%	16.90″
Dec 3	0.01″	0.27″	1983	19%	16.91″
Dec 4	0.01″	0.50″	1960	14%	16.92″
Dec 5	0.01″	0.19″	1982	17%	16.92″
Dec 6	0.01″	0.09″	1971	23%	16.93″
Dec 7	0.01″	0.18″	2007	15%	16.94″
Dec 8	0.01″	0.24″	1989	15%	16.95″
Dec 9	0.01″	0.50″	2021	19%	16.97″
Dec 10	0.01″	0.21″	1942	18%	16.98″
Dec 11	0.01″	0.12″	1973	15%	16.99″
Dec 12	0.01″	0.40″	1975	15%	17.00″
Dec 13	0.01″	0.30″	1994	18%	17.01″
Dec 14	0.01″	0.92″	1996	23%	17.02″
Dec 15	0.01″	0.20″	1993	17%	17.03″
Dec 16	0.01″	0.30″	2016	15%	17.04″
Dec 17	0.01″	0.30″	1973	15%	17.06″
Dec 18	0.01″	0.30″	2013	17%	17.07″
Dec 19	0.01″	0.29″	1967	14%	17.09″
Dec 20	0.01″	0.17″	1966	20%	17.10″
Dec 21	0.01″	0.13″	1968	16%	17.12″
Dec 22	0.01″	0.15″	2010	23%	17.13″
Dec 23	0.01″	0.26″	1980	25%	17.14″
Dec 24	0.01″	0.30″	1948	20%	17.16″
Dec 25	0.01″	0.35″	2016	20%	17.17″
Dec 26	0.01″	0.24″	1987	15%	17.18″
Dec 27	0.01″	0.17″	1955	13%	17.19″
Dec 28	0.01″	0.13″	1967	25%	17.21″
Dec 29	0.01″	0.20″	2018	17%	17.22″
Dec 30	0.01″	1.04″	1975	21%	17.23″
Dec 31	0.01″	0.08″	1960	14%	17.25″

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

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