Stony River Dam Weather Records (USC00468536)

Record envelope, standing records and threshold days for Stony River Dam (USC00468536), West Virginia, United States, with 54 years of record.

Key Facts for Stony River Dam

Stony River Dam (USC00468536) is a weather station in West Virginia, United States at 39.13 latitude and -79.30 longitude, 1,037 m (3,402 ft) above sea level.
The station reports from 1919 to 1972, 54 years of record.
1,464 records set at Stony River Dam still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Stony River Dam set a daily record precipitation of 25.4 mm (1.0 in) on 24 February 1972.

About the Station

Location: West Virginia, United States, 39.13 latitude, -79.30 longitude.
Elevation: 1,037 m (3,402 ft).
Period of record: 1919 to 1972, 54 years.
Eligible elements: prcp, snow.

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 Stony River Dam. 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 Stony River Dam, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	16.7 C (62.1 F)	-25.6 C (-14.1 F)	n/a	n/a
Feb	17.8 C (64.0 F)	-25.6 C (-14.1 F)	n/a	n/a
Mar	23.3 C (73.9 F)	-16.7 C (1.9 F)	n/a	n/a
Apr	25.6 C (78.1 F)	-8.9 C (16.0 F)	n/a	n/a
May	27.2 C (81.0 F)	-2.2 C (28.0 F)	n/a	n/a
Jun	28.9 C (84.0 F)	4.4 C (39.9 F)	n/a	n/a
Jul	31.1 C (88.0 F)	5.6 C (42.1 F)	n/a	n/a
Aug	30.0 C (86.0 F)	5.6 C (42.1 F)	n/a	n/a
Sep	33.3 C (91.9 F)	1.1 C (34.0 F)	n/a	n/a
Oct	30.0 C (86.0 F)	-3.9 C (25.0 F)	n/a	n/a
Nov	20.0 C (68.0 F)	-13.3 C (8.1 F)	n/a	n/a
Dec	21.1 C (70.0 F)	-16.7 C (1.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Stony River Dam still stand. 1920 holds the most, with 381.

All-Time Record Progression

1 new records

1 all-time records were set at Stony River Dam between 6 March 1962 and 6 March 1962. Each dot is a new record.

Wettest Day of Each Month

Jun: 159.0 mm (6.3 in)

The wettest day on record for each calendar month at Stony River Dam. The most was 159.0 mm (6.3 in) on 18 June 1949.

Record daily precipitation for each month at Stony River Dam
Month	Record daily precipitation (mm)	Date
Jan	43.2 mm (1.7 in)	1 January 1971
Feb	43.7 mm (1.7 in)	10 February 1957
Mar	57.4 mm (2.3 in)	20 March 1963
Apr	48.3 mm (1.9 in)	25 April 1937
May	89.4 mm (3.5 in)	12 May 1924
Jun	159.0 mm (6.3 in)	18 June 1949
Jul	70.6 mm (2.8 in)	26 July 1943
Aug	124.5 mm (4.9 in)	18 August 1955
Sep	94.2 mm (3.7 in)	18 September 1945
Oct	122.4 mm (4.8 in)	16 October 1954
Nov	66.8 mm (2.6 in)	10 November 1962
Dec	57.2 mm (2.3 in)	22 December 1970

Period of Record Coverage

1919 to 1971

17 years of record at Stony River Dam, 1919 to 1971. 15 years have data for under 90 percent of days and are left out of rankings: 1919, 1923, 1926, 1929, 1931, 1932, 1933, 1937 and others.

Days with data per year at Stony River Dam
Year	Days with data	Share of year	Complete
1919	30	8%	No
1920	351	96%	Yes
1921	342	94%	Yes
1923	60	16%	No
1926	27	7%	No
1929	31	8%	No
1931	50	14%	No
1932	164	45%	No
1933	47	13%	No
1937	31	8%	No
1948	198	54%	No
1955	30	8%	No
1967	1	0%	No
1968	13	4%	No
1969	31	8%	No
1970	60	16%	No
1971	31	8%	No

Latest Records

Latest records at Stony River Dam
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 February 1972	Stony River Dam, US	daily rain	25.4 mm (1.0 in)	11.9 mm (0.5 in)	9 years	24 of 100 (Routine)
28 January 1972	Stony River Dam, US	daily rain	19.1 mm (0.8 in)	2.3 mm (0.09 in)	48 years	20 of 100 (Routine)
10 January 1972	Stony River Dam, US	daily rain	26.2 mm (1.0 in)	9.2 mm (0.36 in)	42 years	31 of 100 (Routine)
25 November 1971	Stony River Dam, US	daily rain	26.7 mm (1.1 in)	0.5 mm (0.02 in)	24 years	12 of 100 (Routine)
25 November 1971	Stony River Dam, US	monthly snowfall (Tie)	33.0 cm (13.0 in)	tie	3 years	3 of 100 (Routine)
22 November 1971	Stony River Dam, US	daily snowfall	7.6 cm (3.0 in)	2.5 cm (1.0 in)	26 years	18 of 100 (Routine)
21 November 1971	Stony River Dam, US	daily rain	20.6 mm (0.8 in)	11.2 mm (0.4 in)	20 years	20 of 100 (Routine)
14 July 1971	Stony River Dam, US	daily rain	38.1 mm (1.5 in)	13.7 mm (0.5 in)	40 years	30 of 100 (Routine)
9 February 1971	Stony River Dam, US	daily snowfall (Tie)	10.2 cm (4.0 in)	tie	1 year	1 of 100 (Routine)
17 January 1971	Stony River Dam, US	daily snowfall	10.2 cm (4.0 in)	2.6 cm (1.0 in)	35 years	20 of 100 (Routine)
5 January 1971	Stony River Dam, US	daily rain	23.9 mm (0.9 in)	6.9 mm (0.27 in)	36 years	20 of 100 (Routine)
1 January 1971	Stony River Dam, US	monthly snowfall	43.2 cm (17.0 in)	7.6 cm (3.0 in)	6 years	31 of 100 (Routine)
1 January 1971	Stony River Dam, US	monthly rain	43.2 mm (1.7 in)	7.6 mm (0.30 in)	6 years	29 of 100 (Routine)
22 December 1970	Stony River Dam, US	monthly rain	57.2 mm (2.3 in)	7.4 mm (0.29 in)	22 years	31 of 100 (Routine)
5 November 1970	Stony River Dam, US	daily snowfall (Tie)	12.7 cm (5.0 in)	tie	31 years	3 of 100 (Routine)
31 October 1970	Stony River Dam, US	daily rain	29.0 mm (1.1 in)	6.1 mm (0.24 in)	8 years	11 of 100 (Routine)
5 September 1970	Stony River Dam, US	daily rain	31.2 mm (1.2 in)	10.1 mm (0.4 in)	35 years	24 of 100 (Routine)
23 August 1970	Stony River Dam, US	daily rain	29.2 mm (1.1 in)	14.0 mm (0.6 in)	39 years	25 of 100 (Routine)
31 July 1970	Stony River Dam, US	daily rain	22.9 mm (0.9 in)	7.7 mm (0.30 in)	43 years	20 of 100 (Routine)
16 July 1970	Stony River Dam, US	daily rain	18.8 mm (0.7 in)	2.3 mm (0.09 in)	12 years	10 of 100 (Routine)

Extremes by Year

1919 to 1972

Yearly extremes at Stony River Dam: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.3 C (91.9 F)	1932	26.7 C (80.1 F)	17
Coldest night (TNn)	-25.6 C (-14.1 F)	1948	-15.0 C (5.0 F)	16
Wettest day (Rx1day)	159.0 mm (6.3 in)	1949	51.2 mm (2.0 in)	54
Wettest five days (Rx5day)	239.3 mm (9.4 in)	1949	90.5 mm (3.6 in)	54
Longest dry spell (CDD)	30 days	1924	17 days	54

Hottest day (TXx)

The hottest day of the year at Stony River Dam, 1919 to 1972. The record is 33.3 C (91.9 F) in 1932, marked on the chart; the median year is 26.7 C (80.1 F).

Hottest day (TXx) at Stony River Dam by year
Year	Hottest day (TXx)
1919	21.1 C (70.0 F)
1920	32.2 C (90.0 F)
1921	30.0 C (86.0 F)
1922	n/a
1923	28.3 C (82.9 F)
1924	n/a
1925	n/a
1926	27.2 C (81.0 F)
1927	n/a
1928	n/a
1929	30.6 C (87.1 F)
1930	n/a
1931	20.0 C (68.0 F)
1932	33.3 C (91.9 F)
1933	16.7 C (62.1 F)
1934	n/a
1935	n/a
1936	n/a
1937	25.6 C (78.1 F)
1938	n/a
1939	n/a
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	30.0 C (86.0 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	22.2 C (72.0 F)
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	-16.7 C (1.9 F)
1968	28.9 C (84.0 F)
1969	13.3 C (55.9 F)
1970	26.7 C (80.1 F)
1971	12.2 C (54.0 F)
1972	n/a

Coldest night (TNn)

The coldest night of the year at Stony River Dam, 1919 to 1972. The record is -25.6 C (-14.1 F) in 1948, marked on the chart; the median year is -15.0 C (5.0 F).

Coldest night (TNn) at Stony River Dam by year
Year	Coldest night (TNn)
1919	-16.7 C (1.9 F)
1920	-17.8 C (0.0 F)
1921	-17.8 C (0.0 F)
1922	n/a
1923	1.1 C (34.0 F)
1924	n/a
1925	n/a
1926	-2.2 C (28.0 F)
1927	n/a
1928	n/a
1929	5.6 C (42.1 F)
1930	n/a
1931	-11.1 C (12.0 F)
1932	-13.3 C (8.1 F)
1933	-16.7 C (1.9 F)
1934	n/a
1935	n/a
1936	n/a
1937	1.1 C (34.0 F)
1938	n/a
1939	n/a
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	-25.6 C (-14.1 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	-6.7 C (19.9 F)
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	5.6 C (42.1 F)
1969	-20.0 C (-4.0 F)
1970	-24.4 C (-11.9 F)
1971	-18.9 C (-2.0 F)
1972	n/a

Wettest day (Rx1day)

The wettest day of the year at Stony River Dam, 1919 to 1972. The record is 159.0 mm (6.3 in) in 1949, marked on the chart; the median year is 51.2 mm (2.0 in).

Wettest day (Rx1day) at Stony River Dam by year
Year	Wettest day (Rx1day)
1919	42.7 mm (1.7 in)
1920	54.4 mm (2.1 in)
1921	53.3 mm (2.1 in)
1922	50.8 mm (2.0 in)
1923	42.2 mm (1.7 in)
1924	89.4 mm (3.5 in)
1925	39.4 mm (1.6 in)
1926	43.2 mm (1.7 in)
1927	42.2 mm (1.7 in)
1928	36.6 mm (1.4 in)
1929	74.4 mm (2.9 in)
1930	50.5 mm (2.0 in)
1931	27.9 mm (1.1 in)
1932	50.8 mm (2.0 in)
1933	100.8 mm (4.0 in)
1934	45.7 mm (1.8 in)
1935	31.2 mm (1.2 in)
1936	53.3 mm (2.1 in)
1937	76.2 mm (3.0 in)
1938	31.0 mm (1.2 in)
1939	35.6 mm (1.4 in)
1940	50.8 mm (2.0 in)
1941	49.5 mm (1.9 in)
1942	76.2 mm (3.0 in)
1943	70.6 mm (2.8 in)
1944	50.8 mm (2.0 in)
1945	94.2 mm (3.7 in)
1946	59.9 mm (2.4 in)
1947	53.3 mm (2.1 in)
1948	49.8 mm (2.0 in)
1949	159.0 mm (6.3 in)
1950	48.5 mm (1.9 in)
1951	45.7 mm (1.8 in)
1952	54.6 mm (2.1 in)
1953	32.5 mm (1.3 in)
1954	122.4 mm (4.8 in)
1955	124.5 mm (4.9 in)
1956	53.3 mm (2.1 in)
1957	63.5 mm (2.5 in)
1958	41.1 mm (1.6 in)
1959	95.3 mm (3.8 in)
1960	60.5 mm (2.4 in)
1961	33.0 mm (1.3 in)
1962	66.8 mm (2.6 in)
1963	57.4 mm (2.3 in)
1964	57.9 mm (2.3 in)
1965	38.1 mm (1.5 in)
1966	51.6 mm (2.0 in)
1967	49.8 mm (2.0 in)
1968	71.1 mm (2.8 in)
1969	54.4 mm (2.1 in)
1970	57.2 mm (2.3 in)
1971	43.4 mm (1.7 in)
1972	26.2 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Stony River Dam, 1919 to 1972. The record is 239.3 mm (9.4 in) in 1949, marked on the chart; the median year is 90.5 mm (3.6 in).

Wettest five days (Rx5day) at Stony River Dam by year
Year	Wettest five days (Rx5day)
1919	47.6 mm (1.9 in)
1920	124.3 mm (4.9 in)
1921	92.4 mm (3.6 in)
1922	55.6 mm (2.2 in)
1923	61.3 mm (2.4 in)
1924	143.0 mm (5.6 in)
1925	60.0 mm (2.4 in)
1926	147.4 mm (5.8 in)
1927	64.7 mm (2.5 in)
1928	67.3 mm (2.6 in)
1929	119.4 mm (4.7 in)
1930	64.4 mm (2.5 in)
1931	70.0 mm (2.8 in)
1932	97.8 mm (3.9 in)
1933	114.5 mm (4.5 in)
1934	74.3 mm (2.9 in)
1935	85.8 mm (3.4 in)
1936	101.0 mm (4.0 in)
1937	108.2 mm (4.3 in)
1938	81.0 mm (3.2 in)
1939	82.0 mm (3.2 in)
1940	108.4 mm (4.3 in)
1941	99.1 mm (3.9 in)
1942	126.5 mm (5.0 in)
1943	113.3 mm (4.5 in)
1944	88.7 mm (3.5 in)
1945	142.2 mm (5.6 in)
1946	68.5 mm (2.7 in)
1947	87.7 mm (3.5 in)
1948	84.4 mm (3.3 in)
1949	239.3 mm (9.4 in)
1950	99.1 mm (3.9 in)
1951	85.1 mm (3.4 in)
1952	91.7 mm (3.6 in)
1953	64.3 mm (2.5 in)
1954	131.0 mm (5.2 in)
1955	145.0 mm (5.7 in)
1956	110.2 mm (4.3 in)
1957	71.4 mm (2.8 in)
1958	94.5 mm (3.7 in)
1959	140.0 mm (5.5 in)
1960	91.5 mm (3.6 in)
1961	52.1 mm (2.1 in)
1962	85.3 mm (3.4 in)
1963	95.1 mm (3.7 in)
1964	98.6 mm (3.9 in)
1965	49.1 mm (1.9 in)
1966	96.3 mm (3.8 in)
1967	89.5 mm (3.5 in)
1968	135.3 mm (5.3 in)
1969	65.3 mm (2.6 in)
1970	79.6 mm (3.1 in)
1971	83.5 mm (3.3 in)
1972	31.8 mm (1.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Stony River Dam, 1919 to 1972. The record is 30 days in 1924, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Stony River Dam by year
Year	Longest dry spell (CDD)
1919	5 days
1920	19 days
1921	14 days
1922	12 days
1923	26 days
1924	30 days
1925	16 days
1926	17 days
1927	22 days
1928	11 days
1929	26 days
1930	21 days
1931	15 days
1932	20 days
1933	10 days
1934	24 days
1935	13 days
1936	14 days
1937	14 days
1938	20 days
1939	19 days
1940	13 days
1941	26 days
1942	12 days
1943	26 days
1944	19 days
1945	16 days
1946	11 days
1947	22 days
1948	13 days
1949	14 days
1950	15 days
1951	16 days
1952	17 days
1953	22 days
1954	13 days
1955	19 days
1956	14 days
1957	18 days
1958	16 days
1959	19 days
1960	19 days
1961	11 days
1962	11 days
1963	28 days
1964	18 days
1965	19 days
1966	17 days
1967	19 days
1968	18 days
1969	13 days
1970	13 days
1971	23 days
1972	8 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

42 years, 1920 to 1970

A day with at least 52.1 mm (2.1 in) of rain is expected about once in 2 years. A day with at least 171.1 mm (6.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Stony River Dam: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	52.1 mm (2.1 in)
5 years	72.2 mm (2.8 in)
10 years	89.2 mm (3.5 in)
25 years	116.3 mm (4.6 in)
50 years	141.2 mm (5.6 in)	Longer than the 42 years of record
100 years	171.1 mm (6.7 in)	Longer than the 42 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, 42 years of values from 1920 to 1970.

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: 159.0 mm (6.3 in) in 1949; 124.5 mm (4.9 in) in 1955; 122.4 mm (4.8 in) in 1954.

Download the Data

Data for Stony River Dam standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Stony River Dam 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).