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Built 2026-10-19 (19 October 2026)

Ansonia 2 W Threshold Days by Year (USC00360176)

3 fixed thresholds counted per year at Ansonia 2 W (USC00360176): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ansonia 2 W Thresholds

  • Ansonia 2 W: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1929 with 40.
  • Ansonia 2 W: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1913 with 9.
  • Ansonia 2 W: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1936 with 2.
  • 3 fixed thresholds have at least one qualifying day at Ansonia 2 W.
34 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ansonia 2 W Days per year at Ansonia 2 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1929. 0102030401909: 181910: 261911: 281912: 341913: 311914: 301915: 271916: 321920: 231921: 251922: 281923: 191924: 271925: 291926: 281927: 361928: 291929: 401930: 181931: 261932: 231933: 241934: 261935: 201936: 331937: 311938: 241939: 261940: 261941: 241942: 321943: 301944: 271945: 27190919131920192419281932193619401944
Days per year at Ansonia 2 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1929.
Days with 10 mm (0.39 in) or more of precipitation per year at Ansonia 2 W
YearDaysDecade average
19091818
19102629.7
19112829.7
19123429.7
19133129.7
19143029.7
19152729.7
19163229.7
19202328.4
19212528.4
19222828.4
19231928.4
19242728.4
19252928.4
19262828.4
19273628.4
19282928.4
19294028.4
19301825.1
19312625.1
19322325.1
19332425.1
19342625.1
19352025.1
19363325.1
19373125.1
19382425.1
19392625.1
19402627.7
19412427.7
19423227.7
19433027.7
19442727.7
19452727.7
First to last qualifying date each year at Ansonia 2 W For each year, a bar from the first to the last day at Ansonia 2 W meeting 10 mm (0.39 in). 1909: 17 January 1909 to 14 December 19091910: 6 January 1910 to 29 December 19101911: 12 January 1911 to 23 December 19111912: 22 February 1912 to 6 December 19121913: 3 January 1913 to 26 December 19131914: 4 January 1914 to 14 December 19141915: 7 January 1915 to 30 December 19151916: 25 February 1916 to 22 December 19161920: 9 January 1920 to 14 December 19201921: 11 February 1921 to 3 December 19211922: 5 January 1922 to 24 October 19221923: 1 January 1923 to 23 December 19231924: 11 January 1924 to 30 September 19241925: 30 January 1925 to 6 December 19251926: 19 January 1926 to 26 December 19261927: 21 January 1927 to 17 December 19271928: 20 January 1928 to 1 December 19281929: 6 January 1929 to 18 December 19291930: 13 January 1930 to 12 December 19301931: 6 January 1931 to 14 December 19311932: 2 January 1932 to 19 November 19321933: 8 March 1933 to 6 November 19331934: 1 April 1934 to 20 December 19341935: 10 January 1935 to 14 December 19351936: 14 February 1936 to 31 December 19361937: 10 January 1937 to 19 December 19371938: 25 January 1938 to 10 December 19381939: 6 January 1939 to 3 December 19391940: 15 January 1940 to 28 December 19401941: 9 March 1941 to 24 December 19411942: 7 February 1942 to 30 December 19421943: 12 March 1943 to 27 December 19431944: 28 January 1944 to 12 December 19441945: 1 January 1945 to 29 November 19451909191419221927193219371942JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ansonia 2 W meeting 10 mm (0.39 in).
First to last qualifying date each year at Ansonia 2 W
YearFirst dateLast date
19091909-01-171909-12-14
19101910-01-061910-12-29
19111911-01-121911-12-23
19121912-02-221912-12-06
19131913-01-031913-12-26
19141914-01-041914-12-14
19151915-01-071915-12-30
19161916-02-251916-12-22
19201920-01-091920-12-14
19211921-02-111921-12-03
19221922-01-051922-10-24
19231923-01-011923-12-23
19241924-01-111924-09-30
19251925-01-301925-12-06
19261926-01-191926-12-26
19271927-01-211927-12-17
19281928-01-201928-12-01
19291929-01-061929-12-18
19301930-01-131930-12-12
19311931-01-061931-12-14
19321932-01-021932-11-19
19331933-03-081933-11-06
19341934-04-011934-12-20
19351935-01-101935-12-14
19361936-02-141936-12-31
19371937-01-101937-12-19
19381938-01-251938-12-10
19391939-01-061939-12-03
19401940-01-151940-12-28
19411941-03-091941-12-24
19421942-02-071942-12-30
19431943-03-121943-12-27
19441944-01-281944-12-12
19451945-01-011945-11-29

Every Fixed Threshold

Fixed thresholds at Ansonia 2 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3440192927
25 mm (0.98 in): Days with 25 mm or more rain34919135
50 mm (1.97 in): Days with 50 mm or more rain16219361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

  • Data for Ansonia 2 W 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

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