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Cougar 4 SW Weather Records (USC00451759)

Record envelope, standing records and threshold days for Cougar 4 SW (USC00451759), Washington, United States, with 46 years of record.

Key Facts for Cougar 4 SW

  • Cougar 4 SW (USC00451759) is a weather station in Washington, United States at 46.01 latitude and -122.35 longitude, 159 m (520 ft) above sea level.
  • The station reports from 1906 to 1951, 46 years of record.
  • 1,464 records set at Cougar 4 SW 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, 46.01 latitude, -122.35 longitude.
  • Elevation: 159 m (520 ft).
  • Period of record: 1906 to 1951, 46 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Cougar 4 SW, with 2026 drawn through them The band shows the record high and record low for each calendar day at Cougar 4 SW. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Cougar 4 SW. 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 Cougar 4 SW, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan18.3 C (64.9 F)-16.1 C (3.0 F)n/an/a
Feb18.3 C (64.9 F)-7.2 C (19.0 F)n/an/a
Mar26.7 C (80.1 F)-6.7 C (19.9 F)n/an/a
Apr31.7 C (89.1 F)-6.1 C (21.0 F)n/an/a
May35.0 C (95.0 F)-2.2 C (28.0 F)n/an/a
Jun35.6 C (96.1 F)0.0 C (32.0 F)n/an/a
Jul40.0 C (104.0 F)0.6 C (33.1 F)n/an/a
Aug37.2 C (99.0 F)1.7 C (35.1 F)n/an/a
Sep36.7 C (98.1 F)-1.7 C (28.9 F)n/an/a
Oct31.7 C (89.1 F)-3.3 C (26.1 F)n/an/a
Nov22.2 C (72.0 F)-9.4 C (15.1 F)n/an/a
Dec15.6 C (60.1 F)-7.8 C (18.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Cougar 4 SW by the year they were set 1,464 records at Cougar 4 SW still stand. 1906 holds the most, with 147. 0501001501906: 1471907: 1271908: 1141909: 1221910: 1121911: 1101912: 1011913: 1081914: 1171915: 741916: 1261917: 1051918: 1011906190819101912191419161918
1,464 records at Cougar 4 SW still stand. 1906 holds the most, with 147.
Standing records at Cougar 4 SW by the year they were set
Year setStanding records
1906147
1907127
1908114
1909122
1910112
1911110
1912101
1913108
1914117
191574
1916126
1917105
1918101

Wettest Day of Each Month

Dec: 154.9 mm (6.1 in)
Record daily precipitation for each month at Cougar 4 SW The wettest day on record for each calendar month at Cougar 4 SW. The most was 154.9 mm (6.1 in) on 20 December 1906. 050100150200 Jan: 102.6 mm (4.0 in), 12 January 1912 Jan Feb: 66.0 mm (2.6 in), 13 February 1910 Feb Mar: 134.1 mm (5.3 in), 13 March 1908 Mar Apr: 72.4 mm (2.9 in), 17 April 1908 Apr May: 57.2 mm (2.3 in), 12 May 1911 May Jun: 42.9 mm (1.7 in), 11 June 1910 Jun Jul: 45.7 mm (1.8 in), 6 July 1909 Jul Aug: 70.9 mm (2.8 in), 31 August 1912 Aug Sep: 62.0 mm (2.4 in), 14 September 1906 Sep Oct: 81.3 mm (3.2 in), 4 October 1910 Oct Nov: 104.1 mm (4.1 in), 2 November 1909 Nov Dec: 154.9 mm (6.1 in), 20 December 1906 Dec
The wettest day on record for each calendar month at Cougar 4 SW. The most was 154.9 mm (6.1 in) on 20 December 1906.
Record daily precipitation for each month at Cougar 4 SW
MonthRecord daily precipitation (mm)Date
Jan102.6 mm (4.0 in)12 January 1912
Feb66.0 mm (2.6 in)13 February 1910
Mar134.1 mm (5.3 in)13 March 1908
Apr72.4 mm (2.9 in)17 April 1908
May57.2 mm (2.3 in)12 May 1911
Jun42.9 mm (1.7 in)11 June 1910
Jul45.7 mm (1.8 in)6 July 1909
Aug70.9 mm (2.8 in)31 August 1912
Sep62.0 mm (2.4 in)14 September 1906
Oct81.3 mm (3.2 in)4 October 1910
Nov104.1 mm (4.1 in)2 November 1909
Dec154.9 mm (6.1 in)20 December 1906

Period of Record Coverage

1906 to 1918
Days with data per year at Cougar 4 SW 13 years of record at Cougar 4 SW, 1906 to 1918. 1 years have data for under 90 percent of days and are left out of rankings: 1918. 1906: 341 of 365 days1907: 353 of 365 days1908: 363 of 366 days1909: 364 of 365 days1910: 362 of 365 days1911: 350 of 365 days1912: 357 of 366 days1913: 361 of 365 days1914: 364 of 365 days1915: 363 of 365 days1916: 365 of 366 days1917: 332 of 365 days1918: 256 of 365 days19101915
13 years of record at Cougar 4 SW, 1906 to 1918. 1 years have data for under 90 percent of days and are left out of rankings: 1918.
Days with data per year at Cougar 4 SW
YearDays with dataShare of yearComplete
190634193%Yes
190735397%Yes
190836399%Yes
1909364100%Yes
191036299%Yes
191135096%Yes
191235798%Yes
191336199%Yes
1914364100%Yes
191536399%Yes
1916365100%Yes
191733291%Yes
191825670%No

Latest Records

0

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

Climate Trend

10 complete years, 1907 to 1916
Annual mean temperature at Cougar 4 SW as warming stripes, 1907 to 1916 One stripe for each of 10 complete years at Cougar 4 SW, 1907 to 1916. Blue stripes are years cooler than the station's own mean of 10.5 C (50.9 F); red stripes are warmer. The coolest year was 1916, at 9.3 C (48.8 F), and the warmest was 1914, at 11.2 C (52.2 F). The strongest colour marks a difference of 1.2 C (2.2 F). 1907: 11.2 C, +0.7 C from the station mean1908: 10.6 C, +0.1 C from the station mean1909: 9.8 C, -0.7 C from the station mean1910: 10.5 C, 0.0 C from the station mean1911: 10.6 C, +0.1 C from the station mean1912: 10.6 C, +0.1 C from the station mean1913: 10.1 C, -0.4 C from the station mean1914: 11.2 C, +0.7 C from the station mean1915: 11.1 C, +0.6 C from the station mean1916: 9.3 C, -1.2 C from the station mean190719081910191219141916
One stripe for each of 10 complete years at Cougar 4 SW, 1907 to 1916. Blue stripes are years cooler than the station's own mean of 10.5 C (50.9 F); red stripes are warmer. The coolest year was 1916, at 9.3 C (48.8 F), and the warmest was 1914, at 11.2 C (52.2 F). The strongest colour marks a difference of 1.2 C (2.2 F).
Annual mean temperature at Cougar 4 SW as warming stripes, 1907 to 1916
YearAnnual mean temperatureDifference from the station mean
190711.2 C+0.72 C
190810.6 C+0.13 C
19099.8 C-0.72 C
191010.5 C-0.05 C
191110.6 C+0.05 C
191210.6 C+0.11 C
191310.1 C-0.38 C
191411.2 C+0.72 C
191511.1 C+0.56 C
19169.3 C-1.17 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1906 to 1951
Yearly extremes at Cougar 4 SW: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)40.0 C (104.0 F)190636.7 C (98.1 F)13
Coldest night (TNn)-16.1 C (3.0 F)1909-8.9 C (16.0 F)13
Wettest day (Rx1day)154.9 mm (6.1 in)190681.3 mm (3.2 in)15
Wettest five days (Rx5day)356.1 mm (14.0 in)1908225.1 mm (8.9 in)15
Longest dry spell (CDD)71 days191433 days15

Hottest day (TXx)

Hottest day (TXx) at Cougar 4 SW by year The hottest day of the year at Cougar 4 SW, 1906 to 1951. The record is 40.0 C (104.0 F) in 1906, marked on the chart; the median year is 36.7 C (98.1 F). 323436384019101920193019401950Record: 40.0 C (104.0 F) in 1906
The hottest day of the year at Cougar 4 SW, 1906 to 1951. The record is 40.0 C (104.0 F) in 1906, marked on the chart; the median year is 36.7 C (98.1 F).
Hottest day (TXx) at Cougar 4 SW by year
YearHottest day (TXx)
190640.0 C (104.0 F)
190737.8 C (100.0 F)
190837.2 C (99.0 F)
190933.9 C (93.0 F)
191035.6 C (96.1 F)
191138.3 C (100.9 F)
191235.0 C (95.0 F)
191337.8 C (100.0 F)
191435.6 C (96.1 F)
191537.2 C (99.0 F)
191636.7 C (98.1 F)
191736.7 C (98.1 F)
191835.0 C (95.0 F)
1950n/a
1951n/a

Coldest night (TNn)

Coldest night (TNn) at Cougar 4 SW by year The coldest night of the year at Cougar 4 SW, 1906 to 1951. The record is -16.1 C (3.0 F) in 1909, marked on the chart; the median year is -8.9 C (16.0 F). -20-15-10-519101920193019401950Record: -16.1 C (3.0 F) in 1909
The coldest night of the year at Cougar 4 SW, 1906 to 1951. The record is -16.1 C (3.0 F) in 1909, marked on the chart; the median year is -8.9 C (16.0 F).
Coldest night (TNn) at Cougar 4 SW by year
YearColdest night (TNn)
1906-6.7 C (19.9 F)
1907-12.8 C (9.0 F)
1908-5.0 C (23.0 F)
1909-16.1 C (3.0 F)
1910-11.7 C (10.9 F)
1911-9.4 C (15.1 F)
1912-7.2 C (19.0 F)
1913-8.9 C (16.0 F)
1914-7.8 C (18.0 F)
1915-7.8 C (18.0 F)
1916-11.1 C (12.0 F)
1917-11.7 C (10.9 F)
1918-6.7 C (19.9 F)
1950n/a
1951n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Cougar 4 SW by year The wettest day of the year at Cougar 4 SW, 1906 to 1951. The record is 154.9 mm (6.1 in) in 1906, marked on the chart; the median year is 81.3 mm (3.2 in). 507510012515017519101920193019401950Record: 154.9 mm (6.1 in) in 1906
The wettest day of the year at Cougar 4 SW, 1906 to 1951. The record is 154.9 mm (6.1 in) in 1906, marked on the chart; the median year is 81.3 mm (3.2 in).
Wettest day (Rx1day) at Cougar 4 SW by year
YearWettest day (Rx1day)
1906154.9 mm (6.1 in)
190759.2 mm (2.3 in)
1908134.1 mm (5.3 in)
1909104.1 mm (4.1 in)
191081.3 mm (3.2 in)
191157.2 mm (2.3 in)
1912116.8 mm (4.6 in)
191365.3 mm (2.6 in)
191458.4 mm (2.3 in)
1915153.7 mm (6.1 in)
191691.4 mm (3.6 in)
191768.6 mm (2.7 in)
191862.2 mm (2.4 in)
1950101.6 mm (4.0 in)
195173.9 mm (2.9 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Cougar 4 SW by year The wettest five days of the year at Cougar 4 SW, 1906 to 1951. The record is 356.1 mm (14.0 in) in 1908, marked on the chart; the median year is 225.1 mm (8.9 in). 10020030040019101920193019401950Record: 356.1 mm (14.0 in) in 1908
The wettest five days of the year at Cougar 4 SW, 1906 to 1951. The record is 356.1 mm (14.0 in) in 1908, marked on the chart; the median year is 225.1 mm (8.9 in).
Wettest five days (Rx5day) at Cougar 4 SW by year
YearWettest five days (Rx5day)
1906257.8 mm (10.1 in)
1907211.6 mm (8.3 in)
1908356.1 mm (14.0 in)
1909245.1 mm (9.6 in)
1910280.8 mm (11.1 in)
1911156.5 mm (6.2 in)
1912225.1 mm (8.9 in)
1913235.2 mm (9.3 in)
1914201.1 mm (7.9 in)
1915232.6 mm (9.2 in)
1916192.3 mm (7.6 in)
1917234.9 mm (9.2 in)
1918218.4 mm (8.6 in)
1950146.1 mm (5.8 in)
1951168.1 mm (6.6 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Cougar 4 SW by year The longest dry spell of the year at Cougar 4 SW, 1906 to 1951. The record is 71 days in 1914, marked on the chart; the median year is 33 days. 2040608019101920193019401950Record: 71 days in 1914
The longest dry spell of the year at Cougar 4 SW, 1906 to 1951. The record is 71 days in 1914, marked on the chart; the median year is 33 days.
Longest dry spell (CDD) at Cougar 4 SW by year
YearLongest dry spell (CDD)
190666 days
190726 days
190839 days
190931 days
191045 days
191133 days
191222 days
191321 days
191471 days
191546 days
191624 days
191739 days
191826 days
195031 days
195135 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 Cougar 4 SW standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Cougar 4 SW 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 . Last revised (2025-12-31).