Mountain Lake Weather Records (USC00445784)

Record envelope, standing records and threshold days for Mountain Lake (USC00445784), Virginia, United States, with 38 years of record.

Key Facts for Mountain Lake

Mountain Lake (USC00445784) is a weather station in Virginia, United States at 37.36 latitude and -80.54 longitude, 1,196 m (3,924 ft) above sea level.
The station reports from 1911 to 1948, 38 years of record.
1,464 records set at Mountain Lake still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Virginia, United States, 37.36 latitude, -80.54 longitude.
Elevation: 1,196 m (3,924 ft).
Period of record: 1911 to 1948, 38 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 Mountain Lake. 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 Mountain Lake, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	19.4 C (66.9 F)	-24.4 C (-11.9 F)	n/a	n/a
Feb	18.9 C (66.0 F)	-23.3 C (-9.9 F)	n/a	n/a
Mar	24.4 C (75.9 F)	-20.6 C (-5.1 F)	n/a	n/a
Apr	27.8 C (82.0 F)	-11.7 C (10.9 F)	n/a	n/a
May	30.6 C (87.1 F)	-6.1 C (21.0 F)	n/a	n/a
Jun	31.1 C (88.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	31.7 C (89.1 F)	-0.6 C (30.9 F)	n/a	n/a
Aug	32.2 C (90.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	31.7 C (89.1 F)	-5.0 C (23.0 F)	n/a	n/a
Oct	28.9 C (84.0 F)	-8.9 C (16.0 F)	n/a	n/a
Nov	23.9 C (75.0 F)	-17.8 C (0.0 F)	n/a	n/a
Dec	17.8 C (64.0 F)	-22.2 C (-8.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mountain Lake still stand. 1940 holds the most, with 121.

Standing records at Mountain Lake by the year they were set
Year set	Standing records
1911	28
1912	98
1913	65
1914	91
1935	84
1936	72
1937	104
1938	71
1939	92
1940	121
1941	107
1942	102
1943	78
1944	70
1945	95
1946	82
1947	84
1948	20

Wettest Day of Each Month

Aug: 120.7 mm (4.8 in)

The wettest day on record for each calendar month at Mountain Lake. The most was 120.7 mm (4.8 in) on 14 August 1940.

Record daily precipitation for each month at Mountain Lake
Month	Record daily precipitation (mm)	Date
Jan	61.0 mm (2.4 in)	3 January 1914
Feb	50.8 mm (2.0 in)	18 February 1944
Mar	62.7 mm (2.5 in)	27 March 1913
Apr	52.1 mm (2.1 in)	19 April 1943
May	67.8 mm (2.7 in)	23 May 1913
Jun	69.9 mm (2.8 in)	20 June 1938
Jul	54.6 mm (2.1 in)	22 July 1938
Aug	120.7 mm (4.8 in)	14 August 1940
Sep	94.0 mm (3.7 in)	23 September 1912
Oct	68.1 mm (2.7 in)	10 October 1947
Nov	48.3 mm (1.9 in)	7 November 1912
Dec	56.4 mm (2.2 in)	30 December 1942

Period of Record Coverage

1911 to 1948

18 years of record at Mountain Lake, 1911 to 1948. 6 years have data for under 90 percent of days and are left out of rankings: 1911, 1914, 1935, 1936, 1943, 1948.

Days with data per year at Mountain Lake
Year	Days with data	Share of year	Complete
1911	134	37%	No
1912	342	93%	Yes
1913	330	90%	Yes
1914	265	73%	No
1935	271	74%	No
1936	260	71%	No
1937	363	99%	Yes
1938	362	99%	Yes
1939	361	99%	Yes
1940	356	97%	Yes
1941	337	92%	Yes
1942	346	95%	Yes
1943	263	72%	No
1944	331	90%	Yes
1945	365	100%	Yes
1946	364	100%	Yes
1947	334	92%	Yes
1948	150	41%	No

Latest Records

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

Extremes by Year

1911 to 1948

Yearly extremes at Mountain Lake: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.2 C (90.0 F)	1943	30.0 C (86.0 F)	18
Coldest night (TNn)	-24.4 C (-11.9 F)	1936	-20.0 C (-4.0 F)	18
Wettest day (Rx1day)	120.7 mm (4.8 in)	1940	63.1 mm (2.5 in)	18
Wettest five days (Rx5day)	265.5 mm (10.5 in)	1940	120.7 mm (4.8 in)	18
Longest dry spell (CDD)	26 days	1914	17 days	18

Hottest day (TXx)

The hottest day of the year at Mountain Lake, 1911 to 1948. The record is 32.2 C (90.0 F) in 1943, marked on the chart; the median year is 30.0 C (86.0 F).

Hottest day (TXx) at Mountain Lake by year
Year	Hottest day (TXx)
1911	30.0 C (86.0 F)
1912	27.8 C (82.0 F)
1913	30.0 C (86.0 F)
1914	30.6 C (87.1 F)
1935	30.0 C (86.0 F)
1936	31.7 C (89.1 F)
1937	28.3 C (82.9 F)
1938	28.3 C (82.9 F)
1939	28.3 C (82.9 F)
1940	27.8 C (82.0 F)
1941	31.7 C (89.1 F)
1942	31.7 C (89.1 F)
1943	32.2 C (90.0 F)
1944	30.6 C (87.1 F)
1945	30.6 C (87.1 F)
1946	28.9 C (84.0 F)
1947	30.0 C (86.0 F)
1948	27.2 C (81.0 F)

Coldest night (TNn)

The coldest night of the year at Mountain Lake, 1911 to 1948. The record is -24.4 C (-11.9 F) in 1936, marked on the chart; the median year is -20.0 C (-4.0 F).

Coldest night (TNn) at Mountain Lake by year
Year	Coldest night (TNn)
1911	-12.2 C (10.0 F)
1912	-23.3 C (-9.9 F)
1913	-15.0 C (5.0 F)
1914	-20.6 C (-5.1 F)
1935	-22.2 C (-8.0 F)
1936	-24.4 C (-11.9 F)
1937	-18.3 C (-0.9 F)
1938	-19.4 C (-2.9 F)
1939	-17.8 C (0.0 F)
1940	-23.3 C (-9.9 F)
1941	-17.8 C (0.0 F)
1942	-23.9 C (-11.0 F)
1943	-17.8 C (0.0 F)
1944	-18.3 C (-0.9 F)
1945	-17.2 C (1.0 F)
1946	-20.6 C (-5.1 F)
1947	-21.1 C (-6.0 F)
1948	-21.7 C (-7.1 F)

Wettest day (Rx1day)

The wettest day of the year at Mountain Lake, 1911 to 1948. The record is 120.7 mm (4.8 in) in 1940, marked on the chart; the median year is 63.1 mm (2.5 in).

Wettest day (Rx1day) at Mountain Lake by year
Year	Wettest day (Rx1day)
1911	63.5 mm (2.5 in)
1912	94.0 mm (3.7 in)
1913	67.8 mm (2.7 in)
1914	61.0 mm (2.4 in)
1935	49.8 mm (2.0 in)
1936	76.2 mm (3.0 in)
1937	80.0 mm (3.1 in)
1938	69.9 mm (2.8 in)
1939	78.5 mm (3.1 in)
1940	120.7 mm (4.8 in)
1941	53.3 mm (2.1 in)
1942	62.7 mm (2.5 in)
1943	52.1 mm (2.1 in)
1944	50.8 mm (2.0 in)
1945	49.3 mm (1.9 in)
1946	47.2 mm (1.9 in)
1947	68.1 mm (2.7 in)
1948	38.4 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mountain Lake, 1911 to 1948. The record is 265.5 mm (10.5 in) in 1940, marked on the chart; the median year is 120.7 mm (4.8 in).

Wettest five days (Rx5day) at Mountain Lake by year
Year	Wettest five days (Rx5day)
1911	100.1 mm (3.9 in)
1912	127.0 mm (5.0 in)
1913	116.3 mm (4.6 in)
1914	96.6 mm (3.8 in)
1935	99.4 mm (3.9 in)
1936	116.9 mm (4.6 in)
1937	134.3 mm (5.3 in)
1938	132.1 mm (5.2 in)
1939	124.4 mm (4.9 in)
1940	265.5 mm (10.5 in)
1941	178.5 mm (7.0 in)
1942	127.2 mm (5.0 in)
1943	80.1 mm (3.2 in)
1944	72.4 mm (2.9 in)
1945	125.1 mm (4.9 in)
1946	73.3 mm (2.9 in)
1947	131.6 mm (5.2 in)
1948	65.6 mm (2.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mountain Lake, 1911 to 1948. The record is 26 days in 1914, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Mountain Lake by year
Year	Longest dry spell (CDD)
1911	20 days
1912	17 days
1913	21 days
1914	26 days
1935	10 days
1936	24 days
1937	9 days
1938	19 days
1939	21 days
1940	13 days
1941	14 days
1942	18 days
1943	21 days
1944	15 days
1945	11 days
1946	16 days
1947	15 days
1948	15 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 Mountain Lake standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mountain Lake 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 2026-10-13 (13 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).