Alpena 1 NW Weather Records (USC00460143)

Record envelope, standing records and threshold days for Alpena 1 NW (USC00460143), West Virginia, United States, with 45 years of record.

Key Facts for Alpena 1 NW

Alpena 1 NW (USC00460143) is a weather station in West Virginia, United States at 38.92 latitude and -79.67 longitude, 921 m (3,022 ft) above sea level.
The station reports from 1929 to 1973, 45 years of record.
1,464 records set at Alpena 1 NW still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Alpena 1 NW set a daily record precipitation of 17.8 mm (0.7 in) on 11 August 1973.

About the Station

Location: West Virginia, United States, 38.92 latitude, -79.67 longitude.
Elevation: 921 m (3,022 ft).
Period of record: 1929 to 1973, 45 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 Alpena 1 NW. 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 Alpena 1 NW, 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)	-25.0 C (-13.0 F)	n/a	n/a
Feb	23.3 C (73.9 F)	-25.6 C (-14.1 F)	n/a	n/a
Mar	23.9 C (75.0 F)	-21.7 C (-7.1 F)	n/a	n/a
Apr	30.0 C (86.0 F)	-11.1 C (12.0 F)	n/a	n/a
May	32.2 C (90.0 F)	-6.1 C (21.0 F)	n/a	n/a
Jun	32.2 C (90.0 F)	-2.8 C (27.0 F)	n/a	n/a
Jul	34.4 C (93.9 F)	1.1 C (34.0 F)	n/a	n/a
Aug	33.3 C (91.9 F)	-1.1 C (30.0 F)	n/a	n/a
Sep	33.9 C (93.0 F)	-7.8 C (18.0 F)	n/a	n/a
Oct	29.4 C (84.9 F)	-13.3 C (8.1 F)	n/a	n/a
Nov	23.9 C (75.0 F)	-22.2 C (-8.0 F)	n/a	n/a
Dec	19.4 C (66.9 F)	-28.3 C (-18.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Alpena 1 NW still stand. 1930 holds the most, with 173.

Wettest Day of Each Month

Oct: 114.3 mm (4.5 in)

The wettest day on record for each calendar month at Alpena 1 NW. The most was 114.3 mm (4.5 in) on 16 October 1954.

Record daily precipitation for each month at Alpena 1 NW
Month	Record daily precipitation (mm)	Date
Jan	48.3 mm (1.9 in)	29 January 1951
Feb	60.2 mm (2.4 in)	4 February 1932
Mar	76.2 mm (3.0 in)	21 March 1936
Apr	56.9 mm (2.2 in)	16 April 1939
May	62.2 mm (2.4 in)	24 May 1968
Jun	63.5 mm (2.5 in)	10 June 1951
Jul	109.7 mm (4.3 in)	31 July 1931
Aug	77.5 mm (3.1 in)	10 August 1969
Sep	63.0 mm (2.5 in)	25 September 1940
Oct	114.3 mm (4.5 in)	16 October 1954
Nov	44.5 mm (1.8 in)	8 November 1963
Dec	68.6 mm (2.7 in)	16 December 1948

Period of Record Coverage

1929 to 1942

14 years of record at Alpena 1 NW, 1929 to 1942. 7 years have data for under 90 percent of days and are left out of rankings: 1929, 1933, 1936, 1937, 1938, 1940, 1941.

Days with data per year at Alpena 1 NW
Year	Days with data	Share of year	Complete
1929	75	21%	No
1930	359	98%	Yes
1931	364	100%	Yes
1932	331	90%	Yes
1933	302	83%	No
1934	335	92%	Yes
1935	332	91%	Yes
1936	305	83%	No
1937	118	32%	No
1938	266	73%	No
1939	361	99%	Yes
1940	262	72%	No
1941	305	84%	No
1942	334	92%	Yes

Latest Records

Latest records at Alpena 1 NW
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1973	Alpena 1 NW, US	daily rain	17.8 mm (0.7 in)	5.6 mm (0.22 in)	12 years	11 of 100 (Routine)
13 June 1973	Alpena 1 NW, US	monthly rain (Tie)	63.5 mm (2.5 in)	tie	22 years	5 of 100 (Routine)
5 June 1973	Alpena 1 NW, US	daily rain	35.6 mm (1.4 in)	15.8 mm (0.6 in)	3 years	18 of 100 (Routine)
18 April 1973	Alpena 1 NW, US	daily rain (Tie)	15.2 mm (0.6 in)	tie	6 years	1 of 100 (Routine)
4 January 1973	Alpena 1 NW, US	daily rain	15.2 mm (0.6 in)	5.0 mm (0.20 in)	31 years	19 of 100 (Routine)
9 December 1972	Alpena 1 NW, US	daily rain	47.8 mm (1.9 in)	2.1 mm (0.08 in)	41 years	18 of 100 (Routine)
20 November 1972	Alpena 1 NW, US	daily rain	29.2 mm (1.1 in)	14.0 mm (0.6 in)	20 years	29 of 100 (Routine)
15 November 1972	Alpena 1 NW, US	daily rain	24.1 mm (0.9 in)	11.4 mm (0.4 in)	39 years	20 of 100 (Routine)
14 November 1972	Alpena 1 NW, US	daily rain	15.2 mm (0.6 in)	2.5 mm (0.10 in)	39 years	18 of 100 (Routine)
2 November 1972	Alpena 1 NW, US	daily rain	31.8 mm (1.3 in)	13.5 mm (0.5 in)	16 years	26 of 100 (Routine)
6 October 1972	Alpena 1 NW, US	daily rain	73.7 mm (2.9 in)	43.0 mm (1.7 in)	40 years	54 of 100 (Notable)
23 June 1972	Alpena 1 NW, US	daily rain	57.2 mm (2.3 in)	31.5 mm (1.2 in)	20 years	38 of 100 (Notable)
22 June 1972	Alpena 1 NW, US	daily rain	27.9 mm (1.1 in)	2.8 mm (0.11 in)	19 years	11 of 100 (Routine)
10 May 1972	Alpena 1 NW, US	daily rain	21.6 mm (0.9 in)	1.3 mm (0.05 in)	34 years	15 of 100 (Routine)
3 May 1972	Alpena 1 NW, US	daily rain	40.6 mm (1.6 in)	24.6 mm (1.0 in)	37 years	38 of 100 (Notable)
22 April 1972	Alpena 1 NW, US	daily rain	34.3 mm (1.4 in)	6.4 mm (0.25 in)	11 years	15 of 100 (Routine)
14 April 1972	Alpena 1 NW, US	daily rain	38.1 mm (1.5 in)	21.6 mm (0.9 in)	20 years	38 of 100 (Notable)
8 April 1972	Alpena 1 NW, US	daily rain	30.5 mm (1.2 in)	10.9 mm (0.4 in)	32 years	27 of 100 (Routine)
24 February 1972	Alpena 1 NW, US	daily rain	37.6 mm (1.5 in)	20.3 mm (0.8 in)	9 years	31 of 100 (Routine)
13 February 1972	Alpena 1 NW, US	daily rain	17.8 mm (0.7 in)	3.3 mm (0.13 in)	12 years	11 of 100 (Routine)

Extremes by Year

1929 to 1973

Yearly extremes at Alpena 1 NW: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	34.4 C (93.9 F)	1931	32.8 C (91.0 F)	14
Coldest night (TNn)	-28.3 C (-18.9 F)	1942	-20.8 C (-5.5 F)	14
Wettest day (Rx1day)	114.3 mm (4.5 in)	1954	57.4 mm (2.3 in)	40
Wettest five days (Rx5day)	158.5 mm (6.2 in)	1936	103.9 mm (4.1 in)	40
Longest dry spell (CDD)	27 days	1963	13 days	40

Hottest day (TXx)

The hottest day of the year at Alpena 1 NW, 1929 to 1973. The record is 34.4 C (93.9 F) in 1931, marked on the chart; the median year is 32.8 C (91.0 F).

Hottest day (TXx) at Alpena 1 NW by year
Year	Hottest day (TXx)
1929	23.3 C (73.9 F)
1930	33.3 C (91.9 F)
1931	34.4 C (93.9 F)
1932	32.2 C (90.0 F)
1933	32.2 C (90.0 F)
1934	33.9 C (93.0 F)
1935	29.4 C (84.9 F)
1936	34.4 C (93.9 F)
1937	25.6 C (78.1 F)
1938	32.2 C (90.0 F)
1939	33.9 C (93.0 F)
1940	32.8 C (91.0 F)
1941	33.3 C (91.9 F)
1942	32.8 C (91.0 F)
1948	n/a
1949	n/a
1950	n/a
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

Coldest night (TNn)

The coldest night of the year at Alpena 1 NW, 1929 to 1973. The record is -28.3 C (-18.9 F) in 1942, marked on the chart; the median year is -20.8 C (-5.5 F).

Coldest night (TNn) at Alpena 1 NW by year
Year	Coldest night (TNn)
1929	-23.3 C (-9.9 F)
1930	-25.0 C (-13.0 F)
1931	-21.7 C (-7.1 F)
1932	-17.2 C (1.0 F)
1933	-20.6 C (-5.1 F)
1934	-22.2 C (-8.0 F)
1935	-26.1 C (-15.0 F)
1936	-18.3 C (-0.9 F)
1937	-19.4 C (-2.9 F)
1938	-19.4 C (-2.9 F)
1939	-18.3 C (-0.9 F)
1940	-21.1 C (-6.0 F)
1941	-18.9 C (-2.0 F)
1942	-28.3 C (-18.9 F)
1948	n/a
1949	n/a
1950	n/a
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

Wettest day (Rx1day)

The wettest day of the year at Alpena 1 NW, 1929 to 1973. The record is 114.3 mm (4.5 in) in 1954, marked on the chart; the median year is 57.4 mm (2.3 in).

Wettest day (Rx1day) at Alpena 1 NW by year
Year	Wettest day (Rx1day)
1929	46.7 mm (1.8 in)
1930	41.4 mm (1.6 in)
1931	109.7 mm (4.3 in)
1932	69.3 mm (2.7 in)
1933	51.8 mm (2.0 in)
1934	97.8 mm (3.9 in)
1935	55.1 mm (2.2 in)
1936	77.0 mm (3.0 in)
1937	44.5 mm (1.8 in)
1938	52.3 mm (2.1 in)
1939	56.9 mm (2.2 in)
1940	63.0 mm (2.5 in)
1941	71.1 mm (2.8 in)
1942	48.0 mm (1.9 in)
1948	68.6 mm (2.7 in)
1949	34.3 mm (1.4 in)
1950	53.3 mm (2.1 in)
1951	63.5 mm (2.5 in)
1952	58.4 mm (2.3 in)
1953	47.0 mm (1.9 in)
1954	114.3 mm (4.5 in)
1955	63.5 mm (2.5 in)
1956	57.9 mm (2.3 in)
1957	56.4 mm (2.2 in)
1958	50.8 mm (2.0 in)
1959	60.5 mm (2.4 in)
1960	47.0 mm (1.9 in)
1961	52.6 mm (2.1 in)
1962	36.8 mm (1.4 in)
1963	74.9 mm (2.9 in)
1964	44.5 mm (1.8 in)
1965	38.1 mm (1.5 in)
1966	44.5 mm (1.8 in)
1967	69.9 mm (2.8 in)
1968	62.2 mm (2.4 in)
1969	77.5 mm (3.1 in)
1970	61.0 mm (2.4 in)
1971	47.0 mm (1.9 in)
1972	73.7 mm (2.9 in)
1973	63.5 mm (2.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Alpena 1 NW, 1929 to 1973. The record is 158.5 mm (6.2 in) in 1936, marked on the chart; the median year is 103.9 mm (4.1 in).

Wettest five days (Rx5day) at Alpena 1 NW by year
Year	Wettest five days (Rx5day)
1929	50.5 mm (2.0 in)
1930	60.4 mm (2.4 in)
1931	139.4 mm (5.5 in)
1932	98.5 mm (3.9 in)
1933	99.6 mm (3.9 in)
1934	127.3 mm (5.0 in)
1935	107.7 mm (4.2 in)
1936	158.5 mm (6.2 in)
1937	69.1 mm (2.7 in)
1938	118.1 mm (4.6 in)
1939	118.9 mm (4.7 in)
1940	94.5 mm (3.7 in)
1941	104.9 mm (4.1 in)
1942	87.2 mm (3.4 in)
1948	127.5 mm (5.0 in)
1949	91.4 mm (3.6 in)
1950	106.2 mm (4.2 in)
1951	116.8 mm (4.6 in)
1952	91.4 mm (3.6 in)
1953	112.7 mm (4.4 in)
1954	118.9 mm (4.7 in)
1955	131.3 mm (5.2 in)
1956	97.0 mm (3.8 in)
1957	102.8 mm (4.0 in)
1958	99.5 mm (3.9 in)
1959	90.1 mm (3.5 in)
1960	111.2 mm (4.4 in)
1961	75.0 mm (3.0 in)
1962	80.6 mm (3.2 in)
1963	119.6 mm (4.7 in)
1964	108.5 mm (4.3 in)
1965	74.0 mm (2.9 in)
1966	85.1 mm (3.4 in)
1967	106.7 mm (4.2 in)
1968	98.5 mm (3.9 in)
1969	80.1 mm (3.2 in)
1970	115.2 mm (4.5 in)
1971	137.7 mm (5.4 in)
1972	129.5 mm (5.1 in)
1973	72.4 mm (2.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Alpena 1 NW, 1929 to 1973. The record is 27 days in 1963, marked on the chart; the median year is 13 days.

Longest dry spell (CDD) at Alpena 1 NW by year
Year	Longest dry spell (CDD)
1929	21 days
1930	19 days
1931	11 days
1932	17 days
1933	11 days
1934	19 days
1935	11 days
1936	14 days
1937	6 days
1938	14 days
1939	14 days
1940	11 days
1941	17 days
1942	11 days
1948	12 days
1949	14 days
1950	10 days
1951	16 days
1952	17 days
1953	23 days
1954	14 days
1955	11 days
1956	16 days
1957	13 days
1958	8 days
1959	15 days
1960	12 days
1961	9 days
1962	14 days
1963	27 days
1964	13 days
1965	13 days
1966	13 days
1967	18 days
1968	11 days
1969	12 days
1970	7 days
1971	11 days
1972	9 days
1973	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.

Download the Data

Data for Alpena 1 NW standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Alpena 1 NW 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).