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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Fairfax Weather Records (USC00452722)

Record envelope, standing records and threshold days for Fairfax (USC00452722), Washington, United States, with 35 years of record.

Key Facts for Fairfax

  • Fairfax (USC00452722) is a weather station in Washington, United States at 47.00 latitude and -122.00 longitude, 433 m (1,421 ft) above sea level.
  • The station reports from 1916 to 1950, 35 years of record.
  • 0 records set at Fairfax 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, 47.00 latitude, -122.00 longitude.
  • Elevation: 433 m (1,421 ft).
  • Period of record: 1916 to 1950, 35 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Fairfax, with 2026 drawn through them The band shows the record high and record low for each calendar day at Fairfax. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Fairfax. 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 Fairfax, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
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Aprn/an/an/an/a
Mayn/an/an/an/a
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Juln/an/an/an/a
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Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Fairfax by the year they were set 0 records at Fairfax still stand. 00000000000
0 records at Fairfax still stand.
Standing records at Fairfax by the year they were set
Year setStanding records

Wettest Day of Each Month

Jan: 99.1 mm (3.9 in)
Record daily precipitation for each month at Fairfax The wettest day on record for each calendar month at Fairfax. The most was 99.1 mm (3.9 in) on 22 January 1919. 0255075100 Jan: 99.1 mm (3.9 in), 22 January 1919 Jan Feb: 50.8 mm (2.0 in), 10 February 1918 Feb Mar: 50.8 mm (2.0 in), 22 March 1918 Mar Apr: 42.2 mm (1.7 in), 22 April 1921 Apr May: 41.7 mm (1.6 in), 28 May 1920 May Jun: 31.2 mm (1.2 in), 3 June 1917 Jun Jul: 55.9 mm (2.2 in), 2 July 1916 Jul Aug: 24.9 mm (1.0 in), 27 August 1920 Aug Sep: 38.1 mm (1.5 in), 6 September 1919 Sep Oct: 46.5 mm (1.8 in), 25 October 1922 Oct Nov: 68.6 mm (2.7 in), 18 November 1946 Nov Dec: 80.0 mm (3.1 in), 12 December 1916 Dec
The wettest day on record for each calendar month at Fairfax. The most was 99.1 mm (3.9 in) on 22 January 1919.
Record daily precipitation for each month at Fairfax
MonthRecord daily precipitation (mm)Date
Jan99.1 mm (3.9 in)22 January 1919
Feb50.8 mm (2.0 in)10 February 1918
Mar50.8 mm (2.0 in)22 March 1918
Apr42.2 mm (1.7 in)22 April 1921
May41.7 mm (1.6 in)28 May 1920
Jun31.2 mm (1.2 in)3 June 1917
Jul55.9 mm (2.2 in)2 July 1916
Aug24.9 mm (1.0 in)27 August 1920
Sep38.1 mm (1.5 in)6 September 1919
Oct46.5 mm (1.8 in)25 October 1922
Nov68.6 mm (2.7 in)18 November 1946
Dec80.0 mm (3.1 in)12 December 1916

Latest Records

0

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

Extremes by Year

1916 to 1950
Yearly extremes at Fairfax: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)99.1 mm (3.9 in)191949.3 mm (1.9 in)15
Wettest five days (Rx5day)211.0 mm (8.3 in)1923123.7 mm (4.9 in)15
Longest dry spell (CDD)48 days192216 days15

Wettest day (Rx1day)

Wettest day (Rx1day) at Fairfax by year The wettest day of the year at Fairfax, 1916 to 1950. The record is 99.1 mm (3.9 in) in 1919, marked on the chart; the median year is 49.3 mm (1.9 in). 204060801001920193019401950Record: 99.1 mm (3.9 in) in 1919
The wettest day of the year at Fairfax, 1916 to 1950. The record is 99.1 mm (3.9 in) in 1919, marked on the chart; the median year is 49.3 mm (1.9 in).
Wettest day (Rx1day) at Fairfax by year
YearWettest day (Rx1day)
191680.0 mm (3.1 in)
191772.9 mm (2.9 in)
191858.4 mm (2.3 in)
191999.1 mm (3.9 in)
192049.3 mm (1.9 in)
192149.5 mm (1.9 in)
192246.5 mm (1.8 in)
192364.5 mm (2.5 in)
194430.0 mm (1.2 in)
194547.0 mm (1.9 in)
194672.4 mm (2.9 in)
194740.1 mm (1.6 in)
194843.7 mm (1.7 in)
194948.5 mm (1.9 in)
195021.1 mm (0.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Fairfax by year The wettest five days of the year at Fairfax, 1916 to 1950. The record is 211.0 mm (8.3 in) in 1923, marked on the chart; the median year is 123.7 mm (4.9 in). 501001502002501920193019401950Record: 211.0 mm (8.3 in) in 1923
The wettest five days of the year at Fairfax, 1916 to 1950. The record is 211.0 mm (8.3 in) in 1923, marked on the chart; the median year is 123.7 mm (4.9 in).
Wettest five days (Rx5day) at Fairfax by year
YearWettest five days (Rx5day)
1916110.5 mm (4.4 in)
1917190.3 mm (7.5 in)
1918139.3 mm (5.5 in)
1919176.3 mm (6.9 in)
192097.9 mm (3.9 in)
1921136.3 mm (5.4 in)
192290.3 mm (3.6 in)
1923211.0 mm (8.3 in)
194472.9 mm (2.9 in)
1945113.3 mm (4.5 in)
1946207.3 mm (8.2 in)
1947116.3 mm (4.6 in)
1948140.5 mm (5.5 in)
1949123.7 mm (4.9 in)
195062.5 mm (2.5 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Fairfax by year The longest dry spell of the year at Fairfax, 1916 to 1950. The record is 48 days in 1922, marked on the chart; the median year is 16 days. 02040601920193019401950Record: 48 days in 1922
The longest dry spell of the year at Fairfax, 1916 to 1950. The record is 48 days in 1922, marked on the chart; the median year is 16 days.
Longest dry spell (CDD) at Fairfax by year
YearLongest dry spell (CDD)
191630 days
191740 days
191842 days
191924 days
192041 days
192147 days
192248 days
192310 days
194416 days
194511 days
194610 days
19478 days
194812 days
194916 days
19504 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 Fairfax standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Fairfax 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 . Last revised (2025-12-31).