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

Mount Allan Threshold Days by Year

4 fixed thresholds counted per year at Mount Allan (ASN00015565): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Allan Thresholds

  • Mount Allan: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 2000 with 26.
  • Mount Allan: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 2000 with 14.
  • Mount Allan: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 2001 with 5.
  • Mount Allan: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1970 with 1.
  • 4 fixed thresholds have at least one qualifying day at Mount Allan.
16 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Allan Days per year at Mount Allan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 2000. 01020301970: 91973: 171978: 151980: 91981: 91984: 121985: 71987: 91988: 81994: 51996: 21997: 92000: 262001: 172002: 72003: 919701978198119851988199620002002
Days per year at Mount Allan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 2000.
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Allan
YearDaysDecade average
1970913.7
19731713.7
19781513.7
198099
198199
1984129
198579
198799
198889
199455.3
199625.3
199795.3
20002614.8
20011714.8
2002714.8
2003914.8
First to last qualifying date each year at Mount Allan For each year, a bar from the first to the last day at Mount Allan meeting 10 mm (0.39 in). 1970: 12 March 1970 to 7 December 19701973: 6 January 1973 to 12 December 19731978: 21 January 1978 to 28 October 19781980: 1 January 1980 to 26 May 19801981: 24 January 1981 to 13 December 19811984: 8 January 1984 to 17 December 19841985: 5 February 1985 to 23 November 19851987: 4 February 1987 to 25 December 19871988: 11 January 1988 to 25 December 19881994: 19 February 1994 to 15 December 19941996: 8 April 1996 to 18 October 19961997: 17 January 1997 to 19 December 19972000: 28 January 2000 to 22 December 20002001: 12 January 2001 to 11 December 20012002: 11 January 2002 to 28 November 20022003: 22 January 2003 to 28 December 200319701978198119851988199620002002JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Allan meeting 10 mm (0.39 in).
First to last qualifying date each year at Mount Allan
YearFirst dateLast date
19701970-03-121970-12-07
19731973-01-061973-12-12
19781978-01-211978-10-28
19801980-01-011980-05-26
19811981-01-241981-12-13
19841984-01-081984-12-17
19851985-02-051985-11-23
19871987-02-041987-12-25
19881988-01-111988-12-25
19941994-02-191994-12-15
19961996-04-081996-10-18
19971997-01-171997-12-19
20002000-01-282000-12-22
20012001-01-122001-12-11
20022002-01-112002-11-28
20032003-01-222003-12-28

Every Fixed Threshold

Fixed thresholds at Mount Allan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain162620009
25 mm (0.98 in): Days with 25 mm or more rain151420004
50 mm (1.97 in): Days with 50 mm or more rain9520011
100 mm (3.94 in): Days with 100 mm or more rain2119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Mount Allan 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).