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Built 2026-10-19 (19 October 2026)

Amphitheatre Threshold Days by Year (ASN00079000)

4 fixed thresholds counted per year at Amphitheatre (ASN00079000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Amphitheatre Thresholds

  • Amphitheatre: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1960 with 41.
  • Amphitheatre: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1911 with 11.
  • Amphitheatre: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1910 with 2.
  • Amphitheatre: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1910 with 1.
  • 4 fixed thresholds have at least one qualifying day at Amphitheatre.
73 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Amphitheatre Days per year at Amphitheatre with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1960. 02040601891: 161892: 201893: 241894: 291895: 141896: 141897: 121898: 151899: 171900: 131901: 151902: 81903: 261904: 151905: 191906: 211907: 151908: 151909: 171910: 211911: 221912: 211913: 191914: 61915: 161916: 261917: 181918: 161919: 81920: 211921: 201922: 151923: 211924: 271925: 121926: 161927: 131928: 241929: 161930: 151931: 151932: 171933: 201934: 231935: 191936: 161937: 141938: 111939: 221940: 91941: 211942: 231943: 121944: 81945: 91946: 251947: 261950: 261951: 301952: 311953: 221954: 221955: 321956: 301957: 141958: 261959: 191960: 411961: 251962: 231965: 171966: 171967: 101891189919071915192319311939194719571967
Days per year at Amphitheatre with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1960.
Days with 10 mm (0.39 in) or more of precipitation per year at Amphitheatre
YearDaysDecade average
18911617.9
18922017.9
18932417.9
18942917.9
18951417.9
18961417.9
18971217.9
18981517.9
18991717.9
19001316.4
19011516.4
1902816.4
19032616.4
19041516.4
19051916.4
19062116.4
19071516.4
19081516.4
19091716.4
19102117.3
19112217.3
19122117.3
19131917.3
1914617.3
19151617.3
19162617.3
19171817.3
19181617.3
1919817.3
19202118.5
19212018.5
19221518.5
19232118.5
19242718.5
19251218.5
19261618.5
19271318.5
19282418.5
19291618.5
19301517.2
19311517.2
19321717.2
19332017.2
19342317.2
19351917.2
19361617.2
19371417.2
19381117.2
19392217.2
1940916.6
19412116.6
19422316.6
19431216.6
1944816.6
1945916.6
19462516.6
19472616.6
19502625.2
19513025.2
19523125.2
19532225.2
19542225.2
19553225.2
19563025.2
19571425.2
19582625.2
19591925.2
19604122.2
19612522.2
19622322.2
19651722.2
19661722.2
19671022.2
First to last qualifying date each year at Amphitheatre For each year, a bar from the first to the last day at Amphitheatre meeting 10 mm (0.39 in). 1891: 29 March 1891 to 16 December 18911892: 15 March 1892 to 11 December 18921893: 31 March 1893 to 28 December 18931894: 26 January 1894 to 15 December 18941895: 4 January 1895 to 16 December 18951896: 14 January 1896 to 17 September 18961897: 9 January 1897 to 2 November 18971898: 13 February 1898 to 23 December 18981899: 19 January 1899 to 24 November 18991900: 2 March 1900 to 31 December 19001901: 12 January 1901 to 21 December 19011902: 26 March 1902 to 20 December 19021903: 7 January 1903 to 29 December 19031904: 3 January 1904 to 27 November 19041905: 3 January 1905 to 3 December 19051906: 28 February 1906 to 29 November 19061907: 5 February 1907 to 28 December 19071908: 5 March 1908 to 22 November 19081909: 4 January 1909 to 1 December 19091910: 22 January 1910 to 22 December 19101911: 18 January 1911 to 13 December 19111912: 8 February 1912 to 6 December 19121913: 14 February 1913 to 23 December 19131914: 26 January 1914 to 15 December 19141915: 31 January 1915 to 22 October 19151916: 28 January 1916 to 13 December 19161917: 23 January 1917 to 31 December 19171918: 19 February 1918 to 5 October 19181919: 17 February 1919 to 28 December 19191920: 11 May 1920 to 27 December 19201921: 2 January 1921 to 15 November 19211922: 20 February 1922 to 30 December 19221923: 8 May 1923 to 17 December 19231924: 3 February 1924 to 23 November 19241925: 13 January 1925 to 28 September 19251926: 21 March 1926 to 17 December 19261927: 5 February 1927 to 2 December 19271928: 17 January 1928 to 5 October 19281929: 30 January 1929 to 28 December 19291930: 20 February 1930 to 16 December 19301931: 2 March 1931 to 16 November 19311932: 5 February 1932 to 11 October 19321933: 21 January 1933 to 26 December 19331934: 31 January 1934 to 1 December 19341935: 5 January 1935 to 2 December 19351936: 1 January 1936 to 29 December 19361937: 2 January 1937 to 18 December 19371938: 15 January 1938 to 29 August 19381939: 16 January 1939 to 25 November 19391940: 5 January 1940 to 20 December 19401941: 23 January 1941 to 19 November 19411942: 19 January 1942 to 22 November 19421943: 22 January 1943 to 17 November 19431944: 22 January 1944 to 21 December 19441945: 23 February 1945 to 17 November 19451946: 16 January 1946 to 28 December 19461947: 18 February 1947 to 23 December 19471950: 1 February 1950 to 20 December 19501951: 5 January 1951 to 19 December 19511952: 25 January 1952 to 11 December 19521953: 4 April 1953 to 8 December 19531954: 20 January 1954 to 12 December 19541955: 18 January 1955 to 31 December 19551956: 21 January 1956 to 15 November 19561957: 7 February 1957 to 26 December 19571958: 31 January 1958 to 29 November 19581959: 26 January 1959 to 25 December 19591960: 4 January 1960 to 3 December 19601961: 8 February 1961 to 16 December 19611962: 9 January 1962 to 11 November 19621965: 22 April 1965 to 30 November 19651966: 14 February 1966 to 4 December 19661967: 19 May 1967 to 30 December 196718911901191119211931194119531965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Amphitheatre meeting 10 mm (0.39 in).
First to last qualifying date each year at Amphitheatre
YearFirst dateLast date
18911891-03-291891-12-16
18921892-03-151892-12-11
18931893-03-311893-12-28
18941894-01-261894-12-15
18951895-01-041895-12-16
18961896-01-141896-09-17
18971897-01-091897-11-02
18981898-02-131898-12-23
18991899-01-191899-11-24
19001900-03-021900-12-31
19011901-01-121901-12-21
19021902-03-261902-12-20
19031903-01-071903-12-29
19041904-01-031904-11-27
19051905-01-031905-12-03
19061906-02-281906-11-29
19071907-02-051907-12-28
19081908-03-051908-11-22
19091909-01-041909-12-01
19101910-01-221910-12-22
19111911-01-181911-12-13
19121912-02-081912-12-06
19131913-02-141913-12-23
19141914-01-261914-12-15
19151915-01-311915-10-22
19161916-01-281916-12-13
19171917-01-231917-12-31
19181918-02-191918-10-05
19191919-02-171919-12-28
19201920-05-111920-12-27
19211921-01-021921-11-15
19221922-02-201922-12-30
19231923-05-081923-12-17
19241924-02-031924-11-23
19251925-01-131925-09-28
19261926-03-211926-12-17
19271927-02-051927-12-02
19281928-01-171928-10-05
19291929-01-301929-12-28
19301930-02-201930-12-16
19311931-03-021931-11-16
19321932-02-051932-10-11
19331933-01-211933-12-26
19341934-01-311934-12-01
19351935-01-051935-12-02
19361936-01-011936-12-29
19371937-01-021937-12-18
19381938-01-151938-08-29
19391939-01-161939-11-25
19401940-01-051940-12-20
19411941-01-231941-11-19
19421942-01-191942-11-22
19431943-01-221943-11-17
19441944-01-221944-12-21
19451945-02-231945-11-17
19461946-01-161946-12-28
19471947-02-181947-12-23
19501950-02-011950-12-20
19511951-01-051951-12-19
19521952-01-251952-12-11
19531953-04-041953-12-08
19541954-01-201954-12-12
19551955-01-181955-12-31
19561956-01-211956-11-15
19571957-02-071957-12-26
19581958-01-311958-11-29
19591959-01-261959-12-25
19601960-01-041960-12-03
19611961-02-081961-12-16
19621962-01-091962-11-11
19651965-04-221965-11-30
19661966-02-141966-12-04
19671967-05-191967-12-30

Every Fixed Threshold

Fixed thresholds at Amphitheatre
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain7341196010
25 mm (0.98 in): Days with 25 mm or more rain671119116
50 mm (1.97 in): Days with 50 mm or more rain24219101
100 mm (3.94 in): Days with 100 mm or more rain3119101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1891.

Download the Data

  • Data for Amphitheatre 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).