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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Mount Erin Threshold Days by Year

3 fixed thresholds counted per year at Mount Erin (ASN00008094): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Erin Thresholds

  • Mount Erin: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1934 with 23.
  • Mount Erin: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1917 with 10.
  • Mount Erin: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1915 with 2.
  • 3 fixed thresholds have at least one qualifying day at Mount Erin.
23 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Erin Days per year at Mount Erin with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1934. 01020301915: 201916: 151917: 221918: 131919: 161920: 131921: 181925: 171926: 181927: 161928: 111929: 161930: 161931: 211932: 171933: 221934: 231935: 81936: 91937: 131938: 91939: 191940: 1119151918192119271930193319361939
Days per year at Mount Erin with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1934.
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Erin
YearDaysDecade average
19152017.2
19161517.2
19172217.2
19181317.2
19191617.2
19201315.6
19211815.6
19251715.6
19261815.6
19271615.6
19281115.6
19291615.6
19301615.7
19312115.7
19321715.7
19332215.7
19342315.7
1935815.7
1936915.7
19371315.7
1938915.7
19391915.7
19401111
First to last qualifying date each year at Mount Erin For each year, a bar from the first to the last day at Mount Erin meeting 10 mm (0.39 in). 1915: 12 January 1915 to 20 October 19151916: 20 January 1916 to 5 October 19161917: 17 March 1917 to 1 October 19171918: 24 February 1918 to 16 September 19181919: 18 April 1919 to 19 November 19191920: 12 March 1920 to 29 August 19201921: 19 February 1921 to 13 October 19211925: 4 March 1925 to 26 December 19251926: 16 April 1926 to 20 November 19261927: 14 March 1927 to 4 December 19271928: 29 March 1928 to 21 October 19281929: 3 May 1929 to 14 November 19291930: 9 May 1930 to 18 October 19301931: 3 May 1931 to 6 October 19311932: 29 January 1932 to 29 October 19321933: 7 March 1933 to 1 December 19331934: 22 January 1934 to 23 August 19341935: 3 April 1935 to 29 August 19351936: 19 April 1936 to 1 October 19361937: 18 April 1937 to 27 August 19371938: 15 March 1938 to 29 December 19381939: 13 February 1939 to 11 November 19391940: 14 May 1940 to 3 December 194019151918192119271930193319361939JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Erin meeting 10 mm (0.39 in).
First to last qualifying date each year at Mount Erin
YearFirst dateLast date
19151915-01-121915-10-20
19161916-01-201916-10-05
19171917-03-171917-10-01
19181918-02-241918-09-16
19191919-04-181919-11-19
19201920-03-121920-08-29
19211921-02-191921-10-13
19251925-03-041925-12-26
19261926-04-161926-11-20
19271927-03-141927-12-04
19281928-03-291928-10-21
19291929-05-031929-11-14
19301930-05-091930-10-18
19311931-05-031931-10-06
19321932-01-291932-10-29
19331933-03-071933-12-01
19341934-01-221934-08-23
19351935-04-031935-08-29
19361936-04-191936-10-01
19371937-04-181937-08-27
19381938-03-151938-12-29
19391939-02-131939-11-11
19401940-05-141940-12-03

Every Fixed Threshold

Fixed thresholds at Mount Erin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2323193411
25 mm (0.98 in): Days with 25 mm or more rain221019171
50 mm (1.97 in): Days with 50 mm or more rain8219152

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Mount Erin 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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