Antelope Rs Weather Records (USC00390223)

Record envelope, standing records and threshold days for Antelope Rs (USC00390223), South Dakota, United States, with 58 years of record.

Key Facts for Antelope Rs

Antelope Rs (USC00390223) is a weather station in South Dakota, United States at 45.53 latitude and -103.33 longitude, 860 m (2,820 ft) above sea level.
The station reports from 1951 to 2008, 58 years of record.
1,464 records set at Antelope Rs still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: South Dakota, United States, 45.53 latitude, -103.33 longitude.
Elevation: 860 m (2,820 ft).
Period of record: 1951 to 2008, 58 years.
Eligible elements: none yet.

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 Antelope Rs. 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 Antelope Rs, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	17.8 C (64.0 F)	-39.4 C (-38.9 F)	n/a	n/a
Feb	21.7 C (71.1 F)	-40.6 C (-41.1 F)	n/a	n/a
Mar	25.0 C (77.0 F)	-37.2 C (-35.0 F)	n/a	n/a
Apr	32.2 C (90.0 F)	-22.2 C (-8.0 F)	n/a	n/a
May	35.0 C (95.0 F)	-11.1 C (12.0 F)	n/a	n/a
Jun	40.0 C (104.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	42.2 C (108.0 F)	2.2 C (36.0 F)	n/a	n/a
Aug	40.0 C (104.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	37.8 C (100.0 F)	-10.0 C (14.0 F)	n/a	n/a
Oct	32.2 C (90.0 F)	-18.3 C (-0.9 F)	n/a	n/a
Nov	27.8 C (82.0 F)	-30.6 C (-23.1 F)	n/a	n/a
Dec	18.3 C (64.9 F)	-38.3 C (-36.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Antelope Rs still stand. 1996 holds the most, with 132.

Wettest Day of Each Month

Jun: 68.6 mm (2.7 in)

The wettest day on record for each calendar month at Antelope Rs. The most was 68.6 mm (2.7 in) on 18 June 1998.

Record daily precipitation for each month at Antelope Rs
Month	Record daily precipitation (mm)	Date
Jan	30.5 mm (1.2 in)	4 January 1997
Feb	11.9 mm (0.5 in)	25 February 2000
Mar	38.9 mm (1.5 in)	18 March 2003
Apr	34.0 mm (1.3 in)	20 April 2005
May	49.5 mm (1.9 in)	28 May 2001
Jun	68.6 mm (2.7 in)	18 June 1998
Jul	34.0 mm (1.3 in)	20 July 2001
Aug	62.7 mm (2.5 in)	9 August 1996
Sep	45.5 mm (1.8 in)	11 September 2003
Oct	43.7 mm (1.7 in)	5 October 1998
Nov	39.4 mm (1.6 in)	1 November 2000
Dec	17.0 mm (0.7 in)	17 December 1993

Period of Record Coverage

1992 to 2008

17 years of record at Antelope Rs, 1992 to 2008. 10 years have data for under 90 percent of days and are left out of rankings: 1992, 1995, 1996, 1997, 1998, 1999, 2001, 2003 and others.

Days with data per year at Antelope Rs
Year	Days with data	Share of year	Complete
1992	94	26%	No
1993	354	97%	Yes
1994	343	94%	Yes
1995	326	89%	No
1996	287	78%	No
1997	258	71%	No
1998	112	31%	No
1999	252	69%	No
2000	337	92%	Yes
2001	287	79%	No
2002	351	96%	Yes
2003	284	78%	No
2004	352	96%	Yes
2005	363	99%	Yes
2006	365	100%	Yes
2007	207	57%	No
2008	30	8%	No

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1951 to 2008

Yearly extremes at Antelope Rs: 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)	2006	39.4 C (102.9 F)	17
Coldest night (TNn)	-40.6 C (-41.1 F)	1996	-33.3 C (-27.9 F)	17
Wettest day (Rx1day)	68.6 mm (2.7 in)	1998	35.8 mm (1.4 in)	25
Wettest five days (Rx5day)	125.4 mm (4.9 in)	1996	52.6 mm (2.1 in)	25
Longest dry spell (CDD)	79 days	1952	34 days	25

Hottest day (TXx)

The hottest day of the year at Antelope Rs, 1951 to 2008. The record is 42.2 C (108.0 F) in 2006, marked on the chart; the median year is 39.4 C (102.9 F).

Hottest day (TXx) at Antelope Rs by year
Year	Hottest day (TXx)
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1992	35.0 C (95.0 F)
1993	32.8 C (91.0 F)
1994	37.2 C (99.0 F)
1995	39.4 C (102.9 F)
1996	36.1 C (97.0 F)
1997	35.6 C (96.1 F)
1998	28.3 C (82.9 F)
1999	38.3 C (100.9 F)
2000	40.0 C (104.0 F)
2001	40.0 C (104.0 F)
2002	41.7 C (107.1 F)
2003	40.6 C (105.1 F)
2004	39.4 C (102.9 F)
2005	40.0 C (104.0 F)
2006	42.2 C (108.0 F)
2007	42.2 C (108.0 F)
2008	13.9 C (57.0 F)

Coldest night (TNn)

The coldest night of the year at Antelope Rs, 1951 to 2008. The record is -40.6 C (-41.1 F) in 1996, marked on the chart; the median year is -33.3 C (-27.9 F).

Coldest night (TNn) at Antelope Rs by year
Year	Coldest night (TNn)
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1992	-31.1 C (-24.0 F)
1993	-36.7 C (-34.1 F)
1994	-39.4 C (-38.9 F)
1995	-33.3 C (-27.9 F)
1996	-40.6 C (-41.1 F)
1997	-33.9 C (-29.0 F)
1998	-38.3 C (-36.9 F)
1999	-31.1 C (-24.0 F)
2000	-29.4 C (-20.9 F)
2001	-30.6 C (-23.1 F)
2002	-31.7 C (-25.1 F)
2003	-33.3 C (-27.9 F)
2004	-31.7 C (-25.1 F)
2005	-36.1 C (-33.0 F)
2006	-27.2 C (-17.0 F)
2007	-36.1 C (-33.0 F)
2008	-32.2 C (-26.0 F)

Wettest day (Rx1day)

The wettest day of the year at Antelope Rs, 1951 to 2008. The record is 68.6 mm (2.7 in) in 1998, marked on the chart; the median year is 35.8 mm (1.4 in).

Wettest day (Rx1day) at Antelope Rs by year
Year	Wettest day (Rx1day)
1951	16.0 mm (0.6 in)
1952	27.9 mm (1.1 in)
1953	24.6 mm (1.0 in)
1954	25.9 mm (1.0 in)
1955	35.8 mm (1.4 in)
1956	42.7 mm (1.7 in)
1957	39.1 mm (1.5 in)
1958	25.9 mm (1.0 in)
1992	31.2 mm (1.2 in)
1993	41.9 mm (1.6 in)
1994	37.3 mm (1.5 in)
1995	40.1 mm (1.6 in)
1996	62.7 mm (2.5 in)
1997	30.5 mm (1.2 in)
1998	68.6 mm (2.7 in)
1999	46.7 mm (1.8 in)
2000	42.4 mm (1.7 in)
2001	49.5 mm (1.9 in)
2002	27.4 mm (1.1 in)
2003	45.5 mm (1.8 in)
2004	26.9 mm (1.1 in)
2005	36.8 mm (1.4 in)
2006	28.2 mm (1.1 in)
2007	34.3 mm (1.4 in)
2008	1.3 mm (0.05 in)

Wettest five days (Rx5day)

The wettest five days of the year at Antelope Rs, 1951 to 2008. The record is 125.4 mm (4.9 in) in 1996, marked on the chart; the median year is 52.6 mm (2.1 in).

Wettest five days (Rx5day) at Antelope Rs by year
Year	Wettest five days (Rx5day)
1951	26.2 mm (1.0 in)
1952	46.4 mm (1.8 in)
1953	49.7 mm (2.0 in)
1954	57.2 mm (2.3 in)
1955	52.8 mm (2.1 in)
1956	52.6 mm (2.1 in)
1957	46.2 mm (1.8 in)
1958	62.0 mm (2.4 in)
1992	28.7 mm (1.1 in)
1993	85.9 mm (3.4 in)
1994	64.7 mm (2.5 in)
1995	84.1 mm (3.3 in)
1996	125.4 mm (4.9 in)
1997	31.0 mm (1.2 in)
1998	82.0 mm (3.2 in)
1999	59.7 mm (2.4 in)
2000	64.8 mm (2.6 in)
2001	54.3 mm (2.1 in)
2002	52.3 mm (2.1 in)
2003	75.7 mm (3.0 in)
2004	47.0 mm (1.9 in)
2005	43.4 mm (1.7 in)
2006	51.6 mm (2.0 in)
2007	34.8 mm (1.4 in)
2008	2.3 mm (0.09 in)

Longest dry spell (CDD)

The longest dry spell of the year at Antelope Rs, 1951 to 2008. The record is 79 days in 1952, marked on the chart; the median year is 34 days.

Longest dry spell (CDD) at Antelope Rs by year
Year	Longest dry spell (CDD)
1951	37 days
1952	79 days
1953	31 days
1954	47 days
1955	27 days
1956	29 days
1957	46 days
1958	29 days
1992	20 days
1993	45 days
1994	34 days
1995	32 days
1996	31 days
1997	32 days
1998	59 days
1999	31 days
2000	38 days
2001	42 days
2002	33 days
2003	39 days
2004	27 days
2005	38 days
2006	37 days
2007	35 days
2008	16 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.

Download the Data

Data for Antelope Rs standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Antelope Rs 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 2026-10-17 (17 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).