Eagle Butte Weather Records (USC00392468)

Record envelope, standing records and threshold days for Eagle Butte (USC00392468), South Dakota, United States, with 107 years of record.

Key Facts for Eagle Butte

Eagle Butte (USC00392468) is a weather station in South Dakota, United States at 45.01 latitude and -101.25 longitude, 726 m (2,381 ft) above sea level.
The station reports from 1911 to 2017, 107 years of record.
1,464 records set at Eagle Butte still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Eagle Butte set a daily record precipitation of 26.7 mm (1.1 in) on 30 July 2011.

About the Station

Location: South Dakota, United States, 45.01 latitude, -101.25 longitude.
Elevation: 726 m (2,381 ft).
Period of record: 1911 to 2017, 107 years.
Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Eagle Butte. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Eagle Butte, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.3 C (55.9 F)	-36.7 C (-34.1 F)	n/a	n/a
Feb	17.2 C (63.0 F)	-40.0 C (-40.0 F)	n/a	n/a
Mar	23.9 C (75.0 F)	-30.0 C (-22.0 F)	n/a	n/a
Apr	33.3 C (91.9 F)	-10.6 C (12.9 F)	n/a	n/a
May	33.9 C (93.0 F)	-5.6 C (21.9 F)	n/a	n/a
Jun	38.9 C (102.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jul	42.2 C (108.0 F)	0.0 C (32.0 F)	n/a	n/a
Aug	40.0 C (104.0 F)	3.3 C (37.9 F)	n/a	n/a
Sep	35.0 C (95.0 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	30.6 C (87.1 F)	-15.6 C (3.9 F)	n/a	n/a
Nov	28.9 C (84.0 F)	-23.3 C (-9.9 F)	n/a	n/a
Dec	15.6 C (60.1 F)	-35.6 C (-32.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Eagle Butte still stand. 1912 holds the most, with 282.

All-Time Record Progression

2 new records

2 all-time records were set at Eagle Butte between 18 September 1996 and 17 June 2010. Each dot is a new record.

When Eagle Butte set new all-time records
Date	Kind	Detail
1996-09-18	Record daily precipitation	Record daily precipitation 99.6 mm (3.9 in)
2010-06-17	Record daily precipitation	Record daily precipitation 174.0 mm (6.9 in)

Wettest Day of Each Month

Jun: 174.0 mm (6.9 in)

The wettest day on record for each calendar month at Eagle Butte. The most was 174.0 mm (6.9 in) on 17 June 2010.

Record daily precipitation for each month at Eagle Butte
Month	Record daily precipitation (mm)	Date
Jan	12.7 mm (0.5 in)	23 January 1964
Feb	36.1 mm (1.4 in)	9 February 2009
Mar	60.5 mm (2.4 in)	8 March 2000
Apr	73.2 mm (2.9 in)	12 April 1970
May	92.5 mm (3.6 in)	25 May 1957
Jun	174.0 mm (6.9 in)	17 June 2010
Jul	77.0 mm (3.0 in)	13 July 1966
Aug	82.8 mm (3.3 in)	18 August 1913
Sep	99.6 mm (3.9 in)	18 September 1996
Oct	86.4 mm (3.4 in)	29 October 2004
Nov	20.3 mm (0.8 in)	7 November 1986
Dec	50.8 mm (2.0 in)	16 December 1999

Period of Record Coverage

1911 to 1919

8 years of record at Eagle Butte, 1911 to 1919. 5 years have data for under 90 percent of days and are left out of rankings: 1911, 1913, 1915, 1916, 1919.

Latest Records

Latest records at Eagle Butte
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2011	Eagle Butte, US	daily rain	26.7 mm (1.1 in)	6.6 mm (0.26 in)	36 years	26 of 100 (Routine)
20 June 2011	Eagle Butte, US	daily rain	45.0 mm (1.8 in)	25.7 mm (1.0 in)	12 years	32 of 100 (Routine)
15 April 2011	Eagle Butte, US	daily snowfall	35.6 cm (14.0 in)	10.2 cm (4.0 in)	40 years	32 of 100 (Routine)
15 April 2011	Eagle Butte, US	daily rain	15.7 mm (0.6 in)	0.7 mm (0.03 in)	32 years	19 of 100 (Routine)
26 March 2011	Eagle Butte, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	16 years	21 of 100 (Routine)
20 February 2011	Eagle Butte, US	monthly snowfall (Tie)	30.5 cm (12.0 in)	tie	41 years	8 of 100 (Routine)
6 February 2011	Eagle Butte, US	daily rain	5.1 mm (0.20 in)	2.6 mm (0.10 in)	37 years	20 of 100 (Routine)
6 February 2011	Eagle Butte, US	daily snowfall	10.2 cm (4.0 in)	2.6 cm (1.0 in)	37 years	25 of 100 (Routine)
9 January 2011	Eagle Butte, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	17 years	28 of 100 (Routine)
9 January 2011	Eagle Butte, US	daily rain	3.6 mm (0.14 in)	0.6 mm (0.02 in)	17 years	17 of 100 (Routine)
31 December 2010	Eagle Butte, US	daily rain	4.6 mm (0.18 in)	1.6 mm (0.06 in)	32 years	20 of 100 (Routine)
31 December 2010	Eagle Butte, US	daily snowfall (Tie)	10.2 cm (4.0 in)	tie	32 years	4 of 100 (Routine)
29 November 2010	Eagle Butte, US	daily rain	4.1 mm (0.16 in)	2.8 mm (0.11 in)	27 years	20 of 100 (Routine)
29 November 2010	Eagle Butte, US	daily snowfall (Tie)	7.6 cm (3.0 in)	tie	27 years	4 of 100 (Routine)
22 November 2010	Eagle Butte, US	daily snowfall (Tie)	10.2 cm (4.0 in)	tie	24 years	4 of 100 (Routine)
24 October 2010	Eagle Butte, US	daily rain	6.4 mm (0.25 in)	0.3 mm (0.01 in)	56 years	20 of 100 (Routine)
15 September 2010	Eagle Butte, US	daily rain	21.6 mm (0.9 in)	3.8 mm (0.15 in)	16 years	17 of 100 (Routine)
6 September 2010	Eagle Butte, US	daily rain	35.6 mm (1.4 in)	22.1 mm (0.9 in)	56 years	49 of 100 (Notable)
1 August 2010	Eagle Butte, US	daily rain	29.2 mm (1.1 in)	6.3 mm (0.25 in)	12 years	19 of 100 (Routine)
31 July 2010	Eagle Butte, US	daily rain	29.2 mm (1.1 in)	14.5 mm (0.6 in)	51 years	38 of 100 (Notable)

Extremes by Year

1911 to 2017

Yearly extremes at Eagle Butte: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.2 C (108.0 F)	1917	38.1 C (100.5 F)	8
Coldest night (TNn)	-40.0 C (-40.0 F)	1917	-33.8 C (-28.9 F)	8
Wettest day (Rx1day)	174.0 mm (6.9 in)	2010	44.5 mm (1.8 in)	71
Wettest five days (Rx5day)	188.2 mm (7.4 in)	2010	64.6 mm (2.5 in)	71
Longest dry spell (CDD)	109 days	1987	34 days	71

Hottest day (TXx)

The hottest day of the year at Eagle Butte, 1911 to 2017. The record is 42.2 C (108.0 F) in 1917, marked on the chart; the median year is 38.1 C (100.5 F).

Hottest day (TXx) at Eagle Butte by year
Year	Hottest day (TXx)
1911	14.4 C (57.9 F)
1912	37.8 C (100.0 F)
1913	40.0 C (104.0 F)
1915	33.3 C (91.9 F)
1916	36.7 C (98.1 F)
1917	42.2 C (108.0 F)
1918	38.3 C (100.9 F)
1919	38.9 C (102.0 F)
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2017	n/a

Coldest night (TNn)

The coldest night of the year at Eagle Butte, 1911 to 2017. The record is -40.0 C (-40.0 F) in 1917, marked on the chart; the median year is -33.8 C (-28.9 F).

Coldest night (TNn) at Eagle Butte by year
Year	Coldest night (TNn)
1911	-30.0 C (-22.0 F)
1912	-36.7 C (-34.1 F)
1913	-30.6 C (-23.1 F)
1915	-21.7 C (-7.1 F)
1916	-34.4 C (-29.9 F)
1917	-40.0 C (-40.0 F)
1918	-36.1 C (-33.0 F)
1919	-33.3 C (-27.9 F)
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2017	n/a

Wettest day (Rx1day)

The wettest day of the year at Eagle Butte, 1911 to 2017. The record is 174.0 mm (6.9 in) in 2010, marked on the chart; the median year is 44.5 mm (1.8 in).

Wettest day (Rx1day) at Eagle Butte by year
Year	Wettest day (Rx1day)
1911	5.1 mm (0.20 in)
1912	35.6 mm (1.4 in)
1913	82.8 mm (3.3 in)
1915	74.9 mm (2.9 in)
1916	35.1 mm (1.4 in)
1917	27.9 mm (1.1 in)
1918	49.8 mm (2.0 in)
1919	33.5 mm (1.3 in)
1951	55.1 mm (2.2 in)
1952	29.2 mm (1.1 in)
1953	47.2 mm (1.9 in)
1954	30.5 mm (1.2 in)
1955	31.5 mm (1.2 in)
1956	22.9 mm (0.9 in)
1957	92.5 mm (3.6 in)
1958	26.9 mm (1.1 in)
1959	32.3 mm (1.3 in)
1960	40.6 mm (1.6 in)
1961	62.5 mm (2.5 in)
1962	57.4 mm (2.3 in)
1963	40.4 mm (1.6 in)
1964	54.9 mm (2.2 in)
1965	47.5 mm (1.9 in)
1966	77.0 mm (3.0 in)
1967	46.2 mm (1.8 in)
1968	68.6 mm (2.7 in)
1969	33.5 mm (1.3 in)
1970	73.2 mm (2.9 in)
1971	50.8 mm (2.0 in)
1972	43.4 mm (1.7 in)
1973	40.6 mm (1.6 in)
1974	25.9 mm (1.0 in)
1975	55.1 mm (2.2 in)
1976	58.4 mm (2.3 in)
1977	41.4 mm (1.6 in)
1978	76.2 mm (3.0 in)
1979	63.5 mm (2.5 in)
1980	47.0 mm (1.9 in)
1981	21.8 mm (0.9 in)
1982	56.1 mm (2.2 in)
1983	38.1 mm (1.5 in)
1984	41.7 mm (1.6 in)
1985	27.9 mm (1.1 in)
1986	45.2 mm (1.8 in)
1987	44.5 mm (1.8 in)
1988	48.3 mm (1.9 in)
1989	30.5 mm (1.2 in)
1990	41.7 mm (1.6 in)
1991	40.6 mm (1.6 in)
1992	31.0 mm (1.2 in)
1993	41.9 mm (1.6 in)
1994	51.6 mm (2.0 in)
1995	44.7 mm (1.8 in)
1996	99.6 mm (3.9 in)
1997	64.3 mm (2.5 in)
1998	41.1 mm (1.6 in)
1999	50.8 mm (2.0 in)
2000	60.5 mm (2.4 in)
2001	22.9 mm (0.9 in)
2002	29.7 mm (1.2 in)
2003	31.0 mm (1.2 in)
2004	86.4 mm (3.4 in)
2005	37.3 mm (1.5 in)
2006	37.1 mm (1.5 in)
2007	61.5 mm (2.4 in)
2008	94.5 mm (3.7 in)
2009	64.0 mm (2.5 in)
2010	174.0 mm (6.9 in)
2011	45.0 mm (1.8 in)
2012	33.0 mm (1.3 in)
2017	1.5 mm (0.06 in)

Wettest five days (Rx5day)

The wettest five days of the year at Eagle Butte, 1911 to 2017. The record is 188.2 mm (7.4 in) in 2010, marked on the chart; the median year is 64.6 mm (2.5 in).

Wettest five days (Rx5day) at Eagle Butte by year
Year	Wettest five days (Rx5day)
1911	8.9 mm (0.35 in)
1912	62.5 mm (2.5 in)
1913	86.9 mm (3.4 in)
1915	153.7 mm (6.1 in)
1916	73.7 mm (2.9 in)
1917	46.2 mm (1.8 in)
1918	63.5 mm (2.5 in)
1919	46.5 mm (1.8 in)
1951	56.9 mm (2.2 in)
1952	50.5 mm (2.0 in)
1953	47.2 mm (1.9 in)
1954	47.0 mm (1.9 in)
1955	51.5 mm (2.0 in)
1956	34.3 mm (1.4 in)
1957	104.8 mm (4.1 in)
1958	38.9 mm (1.5 in)
1959	50.9 mm (2.0 in)
1960	53.8 mm (2.1 in)
1961	66.8 mm (2.6 in)
1962	104.4 mm (4.1 in)
1963	64.3 mm (2.5 in)
1964	71.7 mm (2.8 in)
1965	69.6 mm (2.7 in)
1966	77.8 mm (3.1 in)
1967	91.4 mm (3.6 in)
1968	86.1 mm (3.4 in)
1969	57.9 mm (2.3 in)
1970	100.7 mm (4.0 in)
1971	70.4 mm (2.8 in)
1972	62.2 mm (2.4 in)
1973	68.8 mm (2.7 in)
1974	42.7 mm (1.7 in)
1975	57.6 mm (2.3 in)
1976	84.0 mm (3.3 in)
1977	57.9 mm (2.3 in)
1978	89.7 mm (3.5 in)
1979	72.1 mm (2.8 in)
1980	81.1 mm (3.2 in)
1981	45.0 mm (1.8 in)
1982	122.6 mm (4.8 in)
1983	51.3 mm (2.0 in)
1984	68.3 mm (2.7 in)
1985	71.1 mm (2.8 in)
1986	88.3 mm (3.5 in)
1987	97.7 mm (3.8 in)
1988	52.1 mm (2.1 in)
1989	53.3 mm (2.1 in)
1990	77.7 mm (3.1 in)
1991	55.3 mm (2.2 in)
1992	59.7 mm (2.4 in)
1993	83.8 mm (3.3 in)
1994	54.6 mm (2.1 in)
1995	75.4 mm (3.0 in)
1996	175.9 mm (6.9 in)
1997	77.8 mm (3.1 in)
1998	71.6 mm (2.8 in)
1999	65.3 mm (2.6 in)
2000	62.2 mm (2.4 in)
2001	44.9 mm (1.8 in)
2002	29.7 mm (1.2 in)
2003	40.6 mm (1.6 in)
2004	86.4 mm (3.4 in)
2005	43.1 mm (1.7 in)
2006	53.1 mm (2.1 in)
2007	72.4 mm (2.9 in)
2008	171.4 mm (6.7 in)
2009	71.4 mm (2.8 in)
2010	188.2 mm (7.4 in)
2011	64.6 mm (2.5 in)
2012	42.1 mm (1.7 in)
2017	2.5 mm (0.10 in)

Longest dry spell (CDD)

The longest dry spell of the year at Eagle Butte, 1911 to 2017. The record is 109 days in 1987, marked on the chart; the median year is 34 days.

Longest dry spell (CDD) at Eagle Butte by year
Year	Longest dry spell (CDD)
1911	21 days
1912	48 days
1913	21 days
1915	19 days
1916	32 days
1917	30 days
1918	29 days
1919	31 days
1951	31 days
1952	99 days
1953	26 days
1954	34 days
1955	32 days
1956	22 days
1957	44 days
1958	51 days
1959	34 days
1960	40 days
1961	30 days
1962	46 days
1963	25 days
1964	52 days
1965	29 days
1966	24 days
1967	49 days
1968	48 days
1969	53 days
1970	23 days
1971	49 days
1972	28 days
1973	28 days
1974	38 days
1975	29 days
1976	34 days
1977	30 days
1978	37 days
1979	34 days
1980	32 days
1981	78 days
1982	29 days
1983	24 days
1984	62 days
1985	31 days
1986	53 days
1987	109 days
1988	37 days
1989	35 days
1990	62 days
1991	55 days
1992	44 days
1993	35 days
1994	29 days
1995	28 days
1996	19 days
1997	47 days
1998	37 days
1999	60 days
2000	43 days
2001	43 days
2002	63 days
2003	35 days
2004	62 days
2005	37 days
2006	52 days
2007	43 days
2008	33 days
2009	56 days
2010	31 days
2011	18 days
2012	30 days
2017	11 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

61 years, 1912 to 2010

A day with at least 43.9 mm (1.7 in) of rain is expected about once in 2 years. A day with at least 140.9 mm (5.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Eagle Butte: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	43.9 mm (1.7 in)
5 years	62.7 mm (2.5 in)
10 years	77.6 mm (3.1 in)
25 years	99.8 mm (3.9 in)
50 years	119.0 mm (4.7 in)
100 years	140.9 mm (5.5 in)	Longer than the 61 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 61 years of values from 1912 to 2010.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 174.0 mm (6.9 in) in 2010; 99.6 mm (3.9 in) in 1996; 94.5 mm (3.7 in) in 2008.

Download the Data

Data for Eagle Butte standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Eagle Butte threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Year	Days with data	Share of year	Complete
1911	61	17%	No
1912	353	96%	Yes
1913	240	66%	No
1915	126	35%	No
1916	274	75%	No
1917	333	91%	Yes
1918	332	91%	Yes
1919	188	52%	No