Chehalis Weather Records (USC00451330)

Record envelope, standing records and threshold days for Chehalis (USC00451330), Washington, United States, with 59 years of record.

Key Facts for Chehalis

Chehalis (USC00451330) is a weather station in Washington, United States at 46.67 latitude and -122.98 longitude, 55 m (180 ft) above sea level.
The station reports from 1893 to 1951, 59 years of record.
1,464 records set at Chehalis still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Washington, United States, 46.67 latitude, -122.98 longitude.
Elevation: 55 m (180 ft).
Period of record: 1893 to 1951, 59 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 Chehalis. 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 Chehalis, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	16.1 C (61.0 F)	-8.3 C (17.1 F)	n/a	n/a
Feb	17.2 C (63.0 F)	-12.8 C (9.0 F)	n/a	n/a
Mar	23.9 C (75.0 F)	-8.3 C (17.1 F)	n/a	n/a
Apr	34.4 C (93.9 F)	-3.9 C (25.0 F)	n/a	n/a
May	36.1 C (97.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jun	38.3 C (100.9 F)	0.6 C (33.1 F)	n/a	n/a
Jul	38.3 C (100.9 F)	1.7 C (35.1 F)	n/a	n/a
Aug	38.9 C (102.0 F)	2.8 C (37.0 F)	n/a	n/a
Sep	34.4 C (93.9 F)	-1.1 C (30.0 F)	n/a	n/a
Oct	27.8 C (82.0 F)	-2.2 C (28.0 F)	n/a	n/a
Nov	18.3 C (64.9 F)	-15.0 C (5.0 F)	n/a	n/a
Dec	17.8 C (64.0 F)	-11.1 C (12.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Chehalis still stand. 1896 holds the most, with 200.

Wettest Day of Each Month

Nov: 53.3 mm (2.1 in)

The wettest day on record for each calendar month at Chehalis. The most was 53.3 mm (2.1 in) on 6 November 1896.

Record daily precipitation for each month at Chehalis
Month	Record daily precipitation (mm)	Date
Jan	35.6 mm (1.4 in)	12 January 1895
Feb	39.4 mm (1.6 in)	9 February 1951
Mar	32.5 mm (1.3 in)	29 March 1940
Apr	41.7 mm (1.6 in)	20 April 1893
May	22.9 mm (0.9 in)	7 May 1893
Jun	24.1 mm (0.9 in)	21 June 1897
Jul	22.1 mm (0.9 in)	28 July 1950
Aug	15.2 mm (0.6 in)	31 August 1939
Sep	26.4 mm (1.0 in)	24 September 1950
Oct	42.9 mm (1.7 in)	30 October 1896
Nov	53.3 mm (2.1 in)	6 November 1896
Dec	50.8 mm (2.0 in)	6 December 1897

Period of Record Coverage

1893 to 1941

13 years of record at Chehalis, 1893 to 1941. 8 years have data for under 90 percent of days and are left out of rankings: 1894, 1895, 1898, 1899, 1900, 1901, 1938, 1941.

Days with data per year at Chehalis
Year	Days with data	Share of year	Complete
1893	329	90%	Yes
1894	327	90%	No
1895	31	8%	No
1896	358	98%	Yes
1897	365	100%	Yes
1898	88	24%	No
1899	301	82%	No
1900	264	72%	No
1901	59	16%	No
1938	233	64%	No
1939	365	100%	Yes
1940	366	100%	Yes
1941	131	36%	No

Latest Records

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

Extremes by Year

1893 to 1951

Yearly extremes at Chehalis: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.9 C (102.0 F)	1897	34.4 C (93.9 F)	13
Coldest night (TNn)	-15.0 C (5.0 F)	1896	-7.2 C (19.0 F)	13
Wettest day (Rx1day)	53.3 mm (2.1 in)	1896	37.1 mm (1.5 in)	17
Wettest five days (Rx5day)	122.9 mm (4.8 in)	1897	86.5 mm (3.4 in)	17
Longest dry spell (CDD)	53 days	1896	28 days	17

Hottest day (TXx)

The hottest day of the year at Chehalis, 1893 to 1951. The record is 38.9 C (102.0 F) in 1897, marked on the chart; the median year is 34.4 C (93.9 F).

Hottest day (TXx) at Chehalis by year
Year	Hottest day (TXx)
1893	34.4 C (93.9 F)
1894	33.9 C (93.0 F)
1895	12.8 C (55.0 F)
1896	38.3 C (100.9 F)
1897	38.9 C (102.0 F)
1898	16.7 C (62.1 F)
1899	36.1 C (97.0 F)
1900	33.3 C (91.9 F)
1901	15.6 C (60.1 F)
1924	n/a
1925	n/a
1938	38.3 C (100.9 F)
1939	36.1 C (97.0 F)
1940	36.1 C (97.0 F)
1941	26.7 C (80.1 F)
1950	n/a
1951	n/a

Coldest night (TNn)

The coldest night of the year at Chehalis, 1893 to 1951. The record is -15.0 C (5.0 F) in 1896, marked on the chart; the median year is -7.2 C (19.0 F).

Coldest night (TNn) at Chehalis by year
Year	Coldest night (TNn)
1893	-12.2 C (10.0 F)
1894	-12.8 C (9.0 F)
1895	-6.1 C (21.0 F)
1896	-15.0 C (5.0 F)
1897	-8.3 C (17.1 F)
1898	-3.9 C (25.0 F)
1899	-3.9 C (25.0 F)
1900	-6.1 C (21.0 F)
1901	-7.2 C (19.0 F)
1924	n/a
1925	n/a
1938	-7.2 C (19.0 F)
1939	-4.4 C (24.1 F)
1940	-11.1 C (12.0 F)
1941	-5.0 C (23.0 F)
1950	n/a
1951	n/a

Wettest day (Rx1day)

The wettest day of the year at Chehalis, 1893 to 1951. The record is 53.3 mm (2.1 in) in 1896, marked on the chart; the median year is 37.1 mm (1.5 in).

Wettest day (Rx1day) at Chehalis by year
Year	Wettest day (Rx1day)
1893	41.7 mm (1.6 in)
1894	30.5 mm (1.2 in)
1895	35.6 mm (1.4 in)
1896	53.3 mm (2.1 in)
1897	53.3 mm (2.1 in)
1898	12.7 mm (0.5 in)
1899	50.8 mm (2.0 in)
1900	38.1 mm (1.5 in)
1901	26.9 mm (1.1 in)
1924	24.1 mm (0.9 in)
1925	22.9 mm (0.9 in)
1938	33.5 mm (1.3 in)
1939	37.6 mm (1.5 in)
1940	37.1 mm (1.5 in)
1941	34.0 mm (1.3 in)
1950	38.6 mm (1.5 in)
1951	39.4 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Chehalis, 1893 to 1951. The record is 122.9 mm (4.8 in) in 1897, marked on the chart; the median year is 86.5 mm (3.4 in).

Wettest five days (Rx5day) at Chehalis by year
Year	Wettest five days (Rx5day)
1893	103.9 mm (4.1 in)
1894	86.1 mm (3.4 in)
1895	75.0 mm (3.0 in)
1896	117.8 mm (4.6 in)
1897	122.9 mm (4.8 in)
1898	43.2 mm (1.7 in)
1899	112.5 mm (4.4 in)
1900	60.9 mm (2.4 in)
1901	57.3 mm (2.3 in)
1924	91.7 mm (3.6 in)
1925	86.5 mm (3.4 in)
1938	71.1 mm (2.8 in)
1939	109.5 mm (4.3 in)
1940	95.0 mm (3.7 in)
1941	59.1 mm (2.3 in)
1950	67.8 mm (2.7 in)
1951	96.3 mm (3.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Chehalis, 1893 to 1951. The record is 53 days in 1896, marked on the chart; the median year is 28 days.

Longest dry spell (CDD) at Chehalis by year
Year	Longest dry spell (CDD)
1893	28 days
1894	24 days
1895	13 days
1896	53 days
1897	32 days
1898	12 days
1899	39 days
1900	25 days
1901	28 days
1924	3 days
1925	3 days
1938	33 days
1939	36 days
1940	36 days
1941	17 days
1950	30 days
1951	52 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 Chehalis standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Chehalis 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).