Mtn Grove Weather Records (USC00445756)

Record envelope, standing records and threshold days for Mtn Grove (USC00445756), Virginia, United States, with 43 years of record.

Key Facts for Mtn Grove

Mtn Grove (USC00445756) is a weather station in Virginia, United States at 38.10 latitude and -79.89 longitude, 541 m (1,775 ft) above sea level.
The station reports from 1976 to 2018, 43 years of record.
1,440 records set at Mtn Grove still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Mtn Grove set a daily record precipitation of 45.7 mm (1.8 in) on 28 September 2018.

About the Station

Location: Virginia, United States, 38.10 latitude, -79.89 longitude.
Elevation: 541 m (1,775 ft).
Period of record: 1976 to 2018, 43 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 Mtn Grove. 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 Mtn Grove, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	21.1 C (70.0 F)	-13.9 C (7.0 F)	n/a	n/a
Feb	20.6 C (69.1 F)	-15.6 C (3.9 F)	n/a	n/a
Mar	27.8 C (82.0 F)	-11.1 C (12.0 F)	n/a	n/a
Apr	29.4 C (84.9 F)	-5.6 C (21.9 F)	n/a	n/a
May	37.8 C (100.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jun	35.6 C (96.1 F)	6.7 C (44.1 F)	n/a	n/a
Jul	39.4 C (102.9 F)	11.1 C (52.0 F)	n/a	n/a
Aug	35.6 C (96.1 F)	11.1 C (52.0 F)	n/a	n/a
Sep	35.0 C (95.0 F)	1.1 C (34.0 F)	n/a	n/a
Oct	26.7 C (80.1 F)	-5.0 C (23.0 F)	n/a	n/a
Nov	23.3 C (73.9 F)	-7.8 C (18.0 F)	n/a	n/a
Dec	17.8 C (64.0 F)	-9.4 C (15.1 F)	n/a	n/a

Which Years Hold Standing Records

1,440 standing records

1,440 records at Mtn Grove still stand. 2012 holds the most, with 588.

Wettest Day of Each Month

Nov: 210.8 mm (8.3 in)

The wettest day on record for each calendar month at Mtn Grove. The most was 210.8 mm (8.3 in) on 5 November 1985.

Record daily precipitation for each month at Mtn Grove
Month	Record daily precipitation (mm)	Date
Jan	74.7 mm (2.9 in)	8 January 1996
Feb	80.3 mm (3.2 in)	10 February 1996
Mar	63.5 mm (2.5 in)	7 March 2011
Apr	76.7 mm (3.0 in)	4 April 1977
May	61.0 mm (2.4 in)	25 May 1982
Jun	90.9 mm (3.6 in)	25 June 1995
Jul	64.8 mm (2.6 in)	25 July 1978
Aug	108.0 mm (4.3 in)	12 August 1984
Sep	116.8 mm (4.6 in)	30 September 2016
Oct	83.8 mm (3.3 in)	27 October 1981
Nov	210.8 mm (8.3 in)	5 November 1985
Dec	64.8 mm (2.6 in)	2 December 1991

Period of Record Coverage

1978 to 2013

5 years of record at Mtn Grove, 1978 to 2013. 5 years have data for under 90 percent of days and are left out of rankings: 1978, 1979, 2011, 2012, 2013.

Latest Records

Latest records at Mtn Grove
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 September 2018	Mtn Grove, US	daily rain	45.7 mm (1.8 in)	10.1 mm (0.4 in)	8 years	11 of 100 (Routine)
31 August 2018	Mtn Grove, US	daily rain	57.2 mm (2.3 in)	10.2 mm (0.4 in)	12 years	15 of 100 (Routine)
22 August 2018	Mtn Grove, US	daily rain	38.1 mm (1.5 in)	8.4 mm (0.33 in)	4 years	11 of 100 (Routine)
14 August 2018	Mtn Grove, US	daily rain	21.3 mm (0.8 in)	14.9 mm (0.6 in)	24 years	20 of 100 (Routine)
4 August 2018	Mtn Grove, US	daily rain	39.4 mm (1.6 in)	25.2 mm (1.0 in)	40 years	36 of 100 (Notable)
2 August 2018	Mtn Grove, US	daily rain	19.6 mm (0.8 in)	8.4 mm (0.33 in)	13 years	14 of 100 (Routine)
16 July 2018	Mtn Grove, US	daily rain (Tie)	31.5 mm (1.2 in)	tie	39 years	3 of 100 (Routine)
6 May 2018	Mtn Grove, US	daily rain	57.7 mm (2.3 in)	14.8 mm (0.6 in)	29 years	24 of 100 (Routine)
16 April 2018	Mtn Grove, US	daily rain	65.5 mm (2.6 in)	27.1 mm (1.1 in)	24 years	32 of 100 (Routine)
10 April 2018	Mtn Grove, US	monthly snowfall	3.3 cm (1.3 in)	3.3 cm (1.3 in)	41 years	20 of 100 (Routine)
22 March 2018	Mtn Grove, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	40 years	46 of 100 (Notable)
22 March 2018	Mtn Grove, US	monthly snowfall	29.2 cm (11.5 in)	14.0 cm (5.5 in)	4 years	43 of 100 (Notable)
15 March 2018	Mtn Grove, US	daily snow depth	5.1 cm (2.0 in)	2.6 cm (1.0 in)	36 years	19 of 100 (Routine)
14 March 2018	Mtn Grove, US	daily snow depth	10.2 cm (4.0 in)	5.1 cm (2.0 in)	36 years	24 of 100 (Routine)
14 March 2018	Mtn Grove, US	daily snowfall	3.6 cm (1.4 in)	3.6 cm (1.4 in)	40 years	20 of 100 (Routine)
13 March 2018	Mtn Grove, US	daily snowfall	13.2 cm (5.2 in)	13.2 cm (5.2 in)	40 years	42 of 100 (Notable)
13 March 2018	Mtn Grove, US	daily snow depth	12.7 cm (5.0 in)	5.1 cm (2.0 in)	40 years	26 of 100 (Routine)
8 February 2018	Mtn Grove, US	daily rain	23.6 mm (0.9 in)	7.9 mm (0.31 in)	36 years	20 of 100 (Routine)
5 February 2018	Mtn Grove, US	daily snowfall	17.8 cm (7.0 in)	7.6 cm (3.0 in)	8 years	15 of 100 (Routine)
5 February 2018	Mtn Grove, US	daily rain (Tie)	22.9 mm (0.9 in)	tie	10 years	1 of 100 (Routine)

Extremes by Year

1976 to 2018

Yearly extremes at Mtn Grove: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	2011	32.2 C (90.0 F)	5
Coldest night (TNn)	-15.6 C (3.9 F)	2013	-12.8 C (9.0 F)	3
Wettest day (Rx1day)	210.8 mm (8.3 in)	1985	58.1 mm (2.3 in)	38
Wettest five days (Rx5day)	238.0 mm (9.4 in)	1985	88.3 mm (3.5 in)	38
Longest dry spell (CDD)	37 days	1985	19 days	38

Hottest day (TXx)

The hottest day of the year at Mtn Grove, 1976 to 2018. The record is 39.4 C (102.9 F) in 2011, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Mtn Grove by year
Year	Hottest day (TXx)
1976	n/a
1977	n/a
1978	-17.2 C (1.0 F)
1979	-12.8 C (9.0 F)
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
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	39.4 C (102.9 F)
2012	37.8 C (100.0 F)
2013	32.2 C (90.0 F)
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a

Coldest night (TNn)

The coldest night of the year at Mtn Grove, 1976 to 2018. The record is -15.6 C (3.9 F) in 2013, marked on the chart; the median year is -12.8 C (9.0 F).

Coldest night (TNn) at Mtn Grove by year
Year	Coldest night (TNn)
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
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	-7.2 C (19.0 F)
2012	-12.8 C (9.0 F)
2013	-15.6 C (3.9 F)
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a

Wettest day (Rx1day)

The wettest day of the year at Mtn Grove, 1976 to 2018. The record is 210.8 mm (8.3 in) in 1985, marked on the chart; the median year is 58.1 mm (2.3 in).

Wettest day (Rx1day) at Mtn Grove by year
Year	Wettest day (Rx1day)
1976	50.8 mm (2.0 in)
1977	76.7 mm (3.0 in)
1978	64.8 mm (2.6 in)
1979	49.8 mm (2.0 in)
1980	53.1 mm (2.1 in)
1981	83.8 mm (3.3 in)
1982	61.0 mm (2.4 in)
1983	51.3 mm (2.0 in)
1984	108.0 mm (4.3 in)
1985	210.8 mm (8.3 in)
1986	42.2 mm (1.7 in)
1987	57.7 mm (2.3 in)
1988	52.1 mm (2.1 in)
1989	76.5 mm (3.0 in)
1990	63.8 mm (2.5 in)
1991	64.8 mm (2.6 in)
1992	56.6 mm (2.2 in)
1993	57.4 mm (2.3 in)
1994	57.2 mm (2.3 in)
1995	90.9 mm (3.6 in)
1996	95.5 mm (3.8 in)
1997	31.8 mm (1.3 in)
2003	17.8 mm (0.7 in)
2004	43.2 mm (1.7 in)
2005	46.2 mm (1.8 in)
2006	64.0 mm (2.5 in)
2007	41.9 mm (1.6 in)
2008	45.7 mm (1.8 in)
2009	58.4 mm (2.3 in)
2010	58.4 mm (2.3 in)
2011	63.5 mm (2.5 in)
2012	80.0 mm (3.1 in)
2013	58.4 mm (2.3 in)
2014	53.3 mm (2.1 in)
2015	54.9 mm (2.2 in)
2016	116.8 mm (4.6 in)
2017	52.1 mm (2.1 in)
2018	65.5 mm (2.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mtn Grove, 1976 to 2018. The record is 238.0 mm (9.4 in) in 1985, marked on the chart; the median year is 88.3 mm (3.5 in).

Wettest five days (Rx5day) at Mtn Grove by year
Year	Wettest five days (Rx5day)
1976	89.9 mm (3.5 in)
1977	109.2 mm (4.3 in)
1978	80.8 mm (3.2 in)
1979	71.2 mm (2.8 in)
1980	75.4 mm (3.0 in)
1981	106.6 mm (4.2 in)
1982	122.2 mm (4.8 in)
1983	112.6 mm (4.4 in)
1984	149.6 mm (5.9 in)
1985	238.0 mm (9.4 in)
1986	59.9 mm (2.4 in)
1987	126.7 mm (5.0 in)
1988	73.7 mm (2.9 in)
1989	99.4 mm (3.9 in)
1990	102.3 mm (4.0 in)
1991	100.3 mm (3.9 in)
1992	81.5 mm (3.2 in)
1993	66.6 mm (2.6 in)
1994	114.4 mm (4.5 in)
1995	90.9 mm (3.6 in)
1996	138.2 mm (5.4 in)
1997	31.8 mm (1.3 in)
2003	33.0 mm (1.3 in)
2004	71.1 mm (2.8 in)
2005	50.8 mm (2.0 in)
2006	106.9 mm (4.2 in)
2007	76.9 mm (3.0 in)
2008	53.8 mm (2.1 in)
2009	71.2 mm (2.8 in)
2010	125.8 mm (5.0 in)
2011	96.1 mm (3.8 in)
2012	95.2 mm (3.7 in)
2013	81.3 mm (3.2 in)
2014	66.2 mm (2.6 in)
2015	68.3 mm (2.7 in)
2016	153.7 mm (6.1 in)
2017	86.6 mm (3.4 in)
2018	85.7 mm (3.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mtn Grove, 1976 to 2018. The record is 37 days in 1985, marked on the chart; the median year is 19 days.

Longest dry spell (CDD) at Mtn Grove by year
Year	Longest dry spell (CDD)
1976	9 days
1977	18 days
1978	19 days
1979	16 days
1980	14 days
1981	15 days
1982	20 days
1983	16 days
1984	24 days
1985	37 days
1986	21 days
1987	27 days
1988	34 days
1989	16 days
1990	33 days
1991	32 days
1992	24 days
1993	19 days
1994	19 days
1995	35 days
1996	21 days
1997	10 days
2003	5 days
2004	26 days
2005	27 days
2006	18 days
2007	22 days
2008	22 days
2009	18 days
2010	23 days
2011	18 days
2012	14 days
2013	16 days
2014	15 days
2015	17 days
2016	35 days
2017	17 days
2018	9 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 Mtn Grove standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mtn Grove 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 2026-10-14 (14 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).

Days with data per year at Mtn Grove
Year	Days with data	Share of year	Complete
1978	1	0%	No
1979	1	0%	No
2011	171	47%	No
2012	299	82%	No
2013	197	54%	No