Chiwawa River Weather Records (USC00451426)

Record envelope, standing records and threshold days for Chiwawa River (USC00451426), Washington, United States, with 33 years of record.

Key Facts for Chiwawa River

Chiwawa River (USC00451426) is a weather station in Washington, United States at 48.03 latitude and -120.83 longitude, 827 m (2,713 ft) above sea level.
The station reports from 1925 to 1957, 33 years of record.
362 records set at Chiwawa River still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.

About the Station

Location: Washington, United States, 48.03 latitude, -120.83 longitude.
Elevation: 827 m (2,713 ft).
Period of record: 1925 to 1957, 33 years.
Eligible elements: prcp.

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 Chiwawa River. 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 Chiwawa River, 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	n/a	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	35.6 C (96.1 F)	1.7 C (35.1 F)	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	13.3 C (55.9 F)	-2.2 C (28.0 F)	n/a	n/a
Dec	5.0 C (41.0 F)	-14.4 C (6.1 F)	n/a	n/a

Which Years Hold Standing Records

362 standing records

362 records at Chiwawa River still stand. 1949 holds the most, with 362.

Wettest Day of Each Month

Feb: 117.6 mm (4.6 in)

The wettest day on record for each calendar month at Chiwawa River. The most was 117.6 mm (4.6 in) on 26 February 1932.

Record daily precipitation for each month at Chiwawa River
Month	Record daily precipitation (mm)	Date
Jan	97.5 mm (3.8 in)	21 January 1935
Feb	117.6 mm (4.6 in)	26 February 1932
Mar	73.7 mm (2.9 in)	5 March 1932
Apr	47.8 mm (1.9 in)	14 April 1929
May	46.7 mm (1.8 in)	11 May 1951
Jun	38.6 mm (1.5 in)	26 June 1931
Jul	30.5 mm (1.2 in)	1 July 1956
Aug	31.5 mm (1.2 in)	15 August 1950
Sep	68.6 mm (2.7 in)	4 September 1945
Oct	101.3 mm (4.0 in)	15 October 1926
Nov	105.2 mm (4.1 in)	28 November 1949
Dec	93.2 mm (3.7 in)	22 December 1933

Period of Record Coverage

1949 to 1949

1 years of record at Chiwawa River, 1949 to 1949. 1 years have data for under 90 percent of days and are left out of rankings: 1949.

Latest Records

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

Extremes by Year

1925 to 1957

Yearly extremes at Chiwawa River: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1949	35.6 C (96.1 F)	1
Coldest night (TNn)	-14.4 C (6.1 F)	1949	-14.4 C (6.1 F)	1
Wettest day (Rx1day)	117.6 mm (4.6 in)	1932	73.9 mm (2.9 in)	33
Wettest five days (Rx5day)	340.5 mm (13.4 in)	1933	167.5 mm (6.6 in)	33
Longest dry spell (CDD)	83 days	1926	31 days	33

Hottest day (TXx)

The hottest day of the year at Chiwawa River, 1925 to 1957. The record is 35.6 C (96.1 F) in 1949, marked on the chart; the median year is 35.6 C (96.1 F).

Hottest day (TXx) at Chiwawa River by year
Year	Hottest day (TXx)
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
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	35.6 C (96.1 F)
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a

Coldest night (TNn)

The coldest night of the year at Chiwawa River, 1925 to 1957. The record is -14.4 C (6.1 F) in 1949, marked on the chart; the median year is -14.4 C (6.1 F).

Coldest night (TNn) at Chiwawa River by year
Year	Coldest night (TNn)
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
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	-14.4 C (6.1 F)
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a

Wettest day (Rx1day)

The wettest day of the year at Chiwawa River, 1925 to 1957. The record is 117.6 mm (4.6 in) in 1932, marked on the chart; the median year is 73.9 mm (2.9 in).

Wettest day (Rx1day) at Chiwawa River by year
Year	Wettest day (Rx1day)
1925	43.9 mm (1.7 in)
1926	101.3 mm (4.0 in)
1927	66.5 mm (2.6 in)
1928	70.4 mm (2.8 in)
1929	69.6 mm (2.7 in)
1930	67.3 mm (2.6 in)
1931	76.2 mm (3.0 in)
1932	117.6 mm (4.6 in)
1933	96.5 mm (3.8 in)
1934	77.0 mm (3.0 in)
1935	97.5 mm (3.8 in)
1936	78.5 mm (3.1 in)
1937	85.1 mm (3.4 in)
1938	59.9 mm (2.4 in)
1939	56.9 mm (2.2 in)
1940	81.0 mm (3.2 in)
1941	74.7 mm (2.9 in)
1942	73.9 mm (2.9 in)
1943	79.8 mm (3.1 in)
1944	56.1 mm (2.2 in)
1945	74.9 mm (2.9 in)
1946	73.7 mm (2.9 in)
1947	80.5 mm (3.2 in)
1948	74.7 mm (2.9 in)
1949	105.2 mm (4.1 in)
1950	67.1 mm (2.6 in)
1951	109.2 mm (4.3 in)
1952	56.6 mm (2.2 in)
1953	63.8 mm (2.5 in)
1954	72.4 mm (2.9 in)
1955	73.9 mm (2.9 in)
1956	52.6 mm (2.1 in)
1957	28.4 mm (1.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Chiwawa River, 1925 to 1957. The record is 340.5 mm (13.4 in) in 1933, marked on the chart; the median year is 167.5 mm (6.6 in).

Wettest five days (Rx5day) at Chiwawa River by year
Year	Wettest five days (Rx5day)
1925	92.9 mm (3.7 in)
1926	125.0 mm (4.9 in)
1927	168.1 mm (6.6 in)
1928	128.8 mm (5.1 in)
1929	148.2 mm (5.8 in)
1930	173.2 mm (6.8 in)
1931	157.9 mm (6.2 in)
1932	184.1 mm (7.2 in)
1933	340.5 mm (13.4 in)
1934	195.4 mm (7.7 in)
1935	260.1 mm (10.2 in)
1936	171.8 mm (6.8 in)
1937	263.7 mm (10.4 in)
1938	182.1 mm (7.2 in)
1939	176.5 mm (6.9 in)
1940	118.6 mm (4.7 in)
1941	155.4 mm (6.1 in)
1942	144.2 mm (5.7 in)
1943	147.6 mm (5.8 in)
1944	102.9 mm (4.1 in)
1945	149.8 mm (5.9 in)
1946	174.5 mm (6.9 in)
1947	210.0 mm (8.3 in)
1948	187.4 mm (7.4 in)
1949	255.5 mm (10.1 in)
1950	194.5 mm (7.7 in)
1951	266.3 mm (10.5 in)
1952	99.2 mm (3.9 in)
1953	104.4 mm (4.1 in)
1954	127.8 mm (5.0 in)
1955	167.5 mm (6.6 in)
1956	116.9 mm (4.6 in)
1957	55.1 mm (2.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Chiwawa River, 1925 to 1957. The record is 83 days in 1926, marked on the chart; the median year is 31 days.

Longest dry spell (CDD) at Chiwawa River by year
Year	Longest dry spell (CDD)
1925	57 days
1926	83 days
1927	16 days
1928	27 days
1929	43 days
1930	29 days
1931	53 days
1932	32 days
1933	31 days
1934	26 days
1935	19 days
1936	50 days
1937	24 days
1938	33 days
1939	43 days
1940	37 days
1941	22 days
1942	60 days
1943	26 days
1944	28 days
1945	57 days
1946	22 days
1947	32 days
1948	20 days
1949	42 days
1950	30 days
1951	53 days
1952	44 days
1953	19 days
1954	30 days
1955	43 days
1956	15 days
1957	29 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 Chiwawa River standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Chiwawa River 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 2026-10-15 (15 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).