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

Guildford Post Office Threshold Days by Year

4 fixed thresholds counted per year at Guildford Post Office (ASN00009022): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Guildford Post Office Thresholds

  • Guildford Post Office: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1915 with 48.
  • Guildford Post Office: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1946 with 15.
  • Guildford Post Office: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1926 with 3.
  • Guildford Post Office: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1920 with 1.
  • 4 fixed thresholds have at least one qualifying day at Guildford Post Office.
47 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Guildford Post Office Days per year at Guildford Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1915. 02040601907: 321908: 241909: 351910: 441911: 191912: 251913: 311914: 171915: 481916: 331917: 421918: 331919: 221920: 341921: 331922: 211923: 411924: 261925: 261926: 391927: 391928: 341929: 261930: 291931: 321932: 331933: 251934: 351935: 231936: 251937: 281938: 281939: 381940: 141941: 311942: 351943: 241944: 171945: 371946: 391947: 331948: 201949: 251950: 291951: 301952: 321953: 341907191219171922192719321937194219471952
Days per year at Guildford Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1915.
Days with 10 mm (0.39 in) or more of precipitation per year at Guildford Post Office
YearDaysDecade average
19073230.3
19082430.3
19093530.3
19104431.4
19111931.4
19122531.4
19133131.4
19141731.4
19154831.4
19163331.4
19174231.4
19183331.4
19192231.4
19203431.9
19213331.9
19222131.9
19234131.9
19242631.9
19252631.9
19263931.9
19273931.9
19283431.9
19292631.9
19302929.6
19313229.6
19323329.6
19332529.6
19343529.6
19352329.6
19362529.6
19372829.6
19382829.6
19393829.6
19401427.5
19413127.5
19423527.5
19432427.5
19441727.5
19453727.5
19463927.5
19473327.5
19482027.5
19492527.5
19502931.3
19513031.3
19523231.3
19533431.3
First to last qualifying date each year at Guildford Post Office For each year, a bar from the first to the last day at Guildford Post Office meeting 10 mm (0.39 in). 1907: 26 April 1907 to 5 October 19071908: 3 May 1908 to 23 September 19081909: 28 March 1909 to 22 October 19091910: 22 April 1910 to 16 October 19101911: 22 April 1911 to 3 December 19111912: 5 May 1912 to 20 October 19121913: 10 April 1913 to 1 December 19131914: 16 February 1914 to 13 November 19141915: 4 January 1915 to 21 October 19151916: 21 January 1916 to 24 November 19161917: 10 February 1917 to 20 December 19171918: 27 March 1918 to 28 October 19181919: 24 February 1919 to 10 December 19191920: 30 March 1920 to 10 October 19201921: 22 March 1921 to 15 October 19211922: 27 April 1922 to 25 September 19221923: 20 January 1923 to 16 December 19231924: 12 May 1924 to 18 October 19241925: 24 January 1925 to 11 October 19251926: 11 March 1926 to 25 November 19261927: 10 January 1927 to 30 October 19271928: 20 May 1928 to 21 October 19281929: 2 May 1929 to 29 October 19291930: 15 April 1930 to 3 October 19301931: 12 April 1931 to 6 October 19311932: 5 April 1932 to 29 October 19321933: 11 May 1933 to 16 October 19331934: 16 January 1934 to 6 November 19341935: 3 April 1935 to 27 October 19351936: 15 April 1936 to 18 December 19361937: 11 February 1937 to 16 September 19371938: 13 March 1938 to 2 November 19381939: 15 February 1939 to 27 October 19391940: 28 April 1940 to 21 October 19401941: 13 April 1941 to 4 October 19411942: 1 March 1942 to 21 December 19421943: 31 January 1943 to 20 September 19431944: 30 April 1944 to 7 December 19441945: 26 March 1945 to 12 November 19451946: 19 April 1946 to 13 November 19461947: 6 March 1947 to 19 November 19471948: 30 March 1948 to 15 November 19481949: 12 March 1949 to 14 November 19491950: 5 May 1950 to 8 November 19501951: 22 February 1951 to 5 December 19511952: 28 March 1952 to 18 December 19521953: 2 February 1953 to 16 November 195319071913191919251931193719431949JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Guildford Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at Guildford Post Office
YearFirst dateLast date
19071907-04-261907-10-05
19081908-05-031908-09-23
19091909-03-281909-10-22
19101910-04-221910-10-16
19111911-04-221911-12-03
19121912-05-051912-10-20
19131913-04-101913-12-01
19141914-02-161914-11-13
19151915-01-041915-10-21
19161916-01-211916-11-24
19171917-02-101917-12-20
19181918-03-271918-10-28
19191919-02-241919-12-10
19201920-03-301920-10-10
19211921-03-221921-10-15
19221922-04-271922-09-25
19231923-01-201923-12-16
19241924-05-121924-10-18
19251925-01-241925-10-11
19261926-03-111926-11-25
19271927-01-101927-10-30
19281928-05-201928-10-21
19291929-05-021929-10-29
19301930-04-151930-10-03
19311931-04-121931-10-06
19321932-04-051932-10-29
19331933-05-111933-10-16
19341934-01-161934-11-06
19351935-04-031935-10-27
19361936-04-151936-12-18
19371937-02-111937-09-16
19381938-03-131938-11-02
19391939-02-151939-10-27
19401940-04-281940-10-21
19411941-04-131941-10-04
19421942-03-011942-12-21
19431943-01-311943-09-20
19441944-04-301944-12-07
19451945-03-261945-11-12
19461946-04-191946-11-13
19471947-03-061947-11-19
19481948-03-301948-11-15
19491949-03-121949-11-14
19501950-05-051950-11-08
19511951-02-221951-12-05
19521952-03-281952-12-18
19531953-02-021953-11-16

Every Fixed Threshold

Fixed thresholds at Guildford Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4748191534
25 mm (0.98 in): Days with 25 mm or more rain471519466
50 mm (1.97 in): Days with 50 mm or more rain18319261
100 mm (3.94 in): Days with 100 mm or more rain2119201

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for Guildford Post Office 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). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).