Corvallis Weather Records (USC00351857)

Record envelope, standing records and threshold days for Corvallis (USC00351857), Oregon, United States, with 37 years of record.

Key Facts for Corvallis

Corvallis (USC00351857) is a weather station in Oregon, United States at 44.57 latitude and -123.26 longitude, 59 m (192 ft) above sea level.
The station reports from 1936 to 1972, 37 years of record.
2 records set at Corvallis still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Corvallis set a daily record precipitation of 4.1 mm (0.16 in) on 24 September 1972.

About the Station

Location: Oregon, United States, 44.57 latitude, -123.26 longitude.
Elevation: 59 m (192 ft).
Period of record: 1936 to 1972, 37 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 Corvallis. 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 Corvallis, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	-5.6 C (21.9 F)	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Which Years Hold Standing Records

2 standing records

2 records at Corvallis still stand. 1952 holds the most, with 2.

Wettest Day of Each Month

Jan: 91.4 mm (3.6 in)

The wettest day on record for each calendar month at Corvallis. The most was 91.4 mm (3.6 in) on 28 January 1965.

Record daily precipitation for each month at Corvallis
Month	Record daily precipitation (mm)	Date
Jan	91.4 mm (3.6 in)	28 January 1965
Feb	77.5 mm (3.1 in)	14 February 1959
Mar	47.5 mm (1.9 in)	27 March 1940
Apr	44.7 mm (1.8 in)	27 April 1962
May	35.6 mm (1.4 in)	6 May 1963
Jun	46.7 mm (1.8 in)	29 June 1952
Jul	33.3 mm (1.3 in)	27 July 1947
Aug	29.7 mm (1.2 in)	25 August 1968
Sep	47.2 mm (1.9 in)	18 September 1969
Oct	63.0 mm (2.5 in)	16 October 1947
Nov	70.1 mm (2.8 in)	16 November 1950
Dec	62.2 mm (2.4 in)	21 December 1964

Period of Record Coverage

1952 to 1952

1 years of record at Corvallis, 1952 to 1952. 1 years have data for under 90 percent of days and are left out of rankings: 1952.

Latest Records

Latest records at Corvallis
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 1972	Corvallis, US	daily rain	4.1 mm (0.16 in)	2.6 mm (0.10 in)	24 years	13 of 100 (Routine)
23 September 1972	Corvallis, US	daily rain	9.7 mm (0.38 in)	2.1 mm (0.08 in)	3 years	5 of 100 (Routine)
22 September 1972	Corvallis, US	daily rain	16.8 mm (0.7 in)	14.3 mm (0.6 in)	19 years	20 of 100 (Routine)
10 June 1972	Corvallis, US	daily rain	8.1 mm (0.32 in)	2.5 mm (0.10 in)	1 year	8 of 100 (Routine)
17 May 1972	Corvallis, US	daily rain	28.2 mm (1.1 in)	24.4 mm (1.0 in)	24 years	50 of 100 (Notable)
8 April 1972	Corvallis, US	daily rain	24.6 mm (1.0 in)	5.3 mm (0.21 in)	27 years	20 of 100 (Routine)
7 April 1972	Corvallis, US	daily rain	13.7 mm (0.5 in)	1.0 mm (0.04 in)	32 years	13 of 100 (Routine)
2 March 1972	Corvallis, US	daily rain	36.3 mm (1.4 in)	20.0 mm (0.8 in)	16 years	33 of 100 (Routine)
29 February 1972	Corvallis, US	daily rain	10.9 mm (0.4 in)	3.5 mm (0.14 in)	32 years	15 of 100 (Routine)
21 January 1972	Corvallis, US	daily rain	54.4 mm (2.1 in)	31.5 mm (1.2 in)	20 years	39 of 100 (Notable)
29 September 1971	Corvallis, US	daily rain	21.3 mm (0.8 in)	7.3 mm (0.29 in)	21 years	19 of 100 (Routine)
3 September 1971	Corvallis, US	daily rain	0.5 mm (0.02 in)	0.5 mm (0.02 in)	24 years	10 of 100 (Routine)
2 September 1971	Corvallis, US	daily rain	11.2 mm (0.4 in)	6.4 mm (0.25 in)	9 years	14 of 100 (Routine)
1 September 1971	Corvallis, US	daily rain	32.5 mm (1.3 in)	22.3 mm (0.9 in)	9 years	37 of 100 (Notable)
22 August 1971	Corvallis, US	daily rain (Tie)	1.5 mm (0.06 in)	tie	10 years	1 of 100 (Routine)
31 July 1971	Corvallis, US	daily rain	0.5 mm (0.02 in)	0.2 mm (0.01 in)	6 years	5 of 100 (Routine)
25 June 1971	Corvallis, US	daily rain	23.6 mm (0.9 in)	18.5 mm (0.7 in)	8 years	20 of 100 (Routine)
18 June 1971	Corvallis, US	daily rain	5.1 mm (0.20 in)	2.6 mm (0.10 in)	6 years	10 of 100 (Routine)
13 June 1971	Corvallis, US	daily rain	9.1 mm (0.36 in)	1.5 mm (0.06 in)	13 years	10 of 100 (Routine)
10 June 1971	Corvallis, US	daily rain	5.6 mm (0.22 in)	1.5 mm (0.06 in)	12 years	9 of 100 (Routine)

Extremes by Year

1936 to 1972

Yearly extremes at Corvallis: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	-5.6 C (21.9 F)	1952	-5.6 C (21.9 F)	1
Wettest day (Rx1day)	91.4 mm (3.6 in)	1965	51.3 mm (2.0 in)	37
Wettest five days (Rx5day)	190.8 mm (7.5 in)	1947	116.1 mm (4.6 in)	37
Longest dry spell (CDD)	99 days	1962	39 days	37

Hottest day (TXx)

The hottest day of the year at Corvallis, 1936 to 1972. The record is -5.6 C (21.9 F) in 1952, marked on the chart; the median year is -5.6 C (21.9 F).

Hottest day (TXx) at Corvallis by year
Year	Hottest day (TXx)
1936	n/a
1937	n/a
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	n/a
1949	n/a
1950	n/a
1951	n/a
1952	-5.6 C (21.9 F)
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

Wettest day (Rx1day)

The wettest day of the year at Corvallis, 1936 to 1972. The record is 91.4 mm (3.6 in) in 1965, marked on the chart; the median year is 51.3 mm (2.0 in).

Wettest day (Rx1day) at Corvallis by year
Year	Wettest day (Rx1day)
1936	24.9 mm (1.0 in)
1937	68.6 mm (2.7 in)
1938	27.4 mm (1.1 in)
1939	57.4 mm (2.3 in)
1940	47.5 mm (1.9 in)
1941	57.7 mm (2.3 in)
1942	44.5 mm (1.8 in)
1943	58.4 mm (2.3 in)
1944	31.8 mm (1.3 in)
1945	56.6 mm (2.2 in)
1946	41.1 mm (1.6 in)
1947	63.0 mm (2.5 in)
1948	58.9 mm (2.3 in)
1949	48.8 mm (1.9 in)
1950	70.1 mm (2.8 in)
1951	61.0 mm (2.4 in)
1952	46.7 mm (1.8 in)
1953	43.9 mm (1.7 in)
1954	50.8 mm (2.0 in)
1955	51.3 mm (2.0 in)
1956	57.2 mm (2.3 in)
1957	42.7 mm (1.7 in)
1958	51.1 mm (2.0 in)
1959	77.5 mm (3.1 in)
1960	51.1 mm (2.0 in)
1961	62.0 mm (2.4 in)
1962	60.5 mm (2.4 in)
1963	47.0 mm (1.9 in)
1964	62.2 mm (2.4 in)
1965	91.4 mm (3.6 in)
1966	50.0 mm (2.0 in)
1967	46.0 mm (1.8 in)
1968	49.5 mm (1.9 in)
1969	53.3 mm (2.1 in)
1970	42.7 mm (1.7 in)
1971	56.1 mm (2.2 in)
1972	54.4 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Corvallis, 1936 to 1972. The record is 190.8 mm (7.5 in) in 1947, marked on the chart; the median year is 116.1 mm (4.6 in).

Wettest five days (Rx5day) at Corvallis by year
Year	Wettest five days (Rx5day)
1936	68.3 mm (2.7 in)
1937	127.8 mm (5.0 in)
1938	73.1 mm (2.9 in)
1939	94.4 mm (3.7 in)
1940	101.7 mm (4.0 in)
1941	124.2 mm (4.9 in)
1942	116.1 mm (4.6 in)
1943	129.0 mm (5.1 in)
1944	88.0 mm (3.5 in)
1945	115.1 mm (4.5 in)
1946	101.4 mm (4.0 in)
1947	190.8 mm (7.5 in)
1948	120.8 mm (4.8 in)
1949	137.5 mm (5.4 in)
1950	146.1 mm (5.8 in)
1951	114.8 mm (4.5 in)
1952	88.7 mm (3.5 in)
1953	105.3 mm (4.1 in)
1954	109.0 mm (4.3 in)
1955	150.7 mm (5.9 in)
1956	128.8 mm (5.1 in)
1957	104.9 mm (4.1 in)
1958	99.3 mm (3.9 in)
1959	140.7 mm (5.5 in)
1960	131.9 mm (5.2 in)
1961	109.0 mm (4.3 in)
1962	101.1 mm (4.0 in)
1963	121.4 mm (4.8 in)
1964	189.5 mm (7.5 in)
1965	165.1 mm (6.5 in)
1966	142.4 mm (5.6 in)
1967	107.8 mm (4.2 in)
1968	101.8 mm (4.0 in)
1969	96.5 mm (3.8 in)
1970	129.6 mm (5.1 in)
1971	123.2 mm (4.9 in)
1972	116.9 mm (4.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Corvallis, 1936 to 1972. The record is 99 days in 1962, marked on the chart; the median year is 39 days.

Longest dry spell (CDD) at Corvallis by year
Year	Longest dry spell (CDD)
1936	12 days
1937	9 days
1938	21 days
1939	28 days
1940	15 days
1941	15 days
1942	12 days
1943	23 days
1944	23 days
1945	16 days
1946	58 days
1947	33 days
1948	38 days
1949	39 days
1950	31 days
1951	53 days
1952	55 days
1953	34 days
1954	28 days
1955	48 days
1956	43 days
1957	51 days
1958	75 days
1959	60 days
1960	62 days
1961	51 days
1962	99 days
1963	49 days
1964	43 days
1965	26 days
1966	47 days
1967	86 days
1968	24 days
1969	67 days
1970	64 days
1971	57 days
1972	38 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 Corvallis standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Corvallis 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 2026-10-16 (16 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).