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Built 2026-10-18 (18 October 2026)

Merringreen Threshold Days by Year

5 fixed thresholds counted per year at Merringreen (ASN00074161): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Merringreen Thresholds

  • Merringreen: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1917 with 22.
  • Merringreen: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1910 with 7.
  • Merringreen: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1928 with 3.
  • Merringreen: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1928 with 2.
  • 5 fixed thresholds have at least one qualifying day at Merringreen.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Merringreen Days per year at Merringreen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1917. 01020301897: 121898: 111900: 131901: 91903: 81904: 171905: 201906: 201907: 121908: 131909: 151910: 211911: 151912: 101913: 141914: 91915: 81916: 171917: 221918: 111919: 81920: 171921: 201922: 101923: 121924: 141928: 151929: 101930: 111897190119051908191119141917192019231929
Days per year at Merringreen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Merringreen
YearDaysDecade average
18971211.5
18981111.5
19001314.1
1901914.1
1903814.1
19041714.1
19052014.1
19062014.1
19071214.1
19081314.1
19091514.1
19102113.5
19111513.5
19121013.5
19131413.5
1914913.5
1915813.5
19161713.5
19172213.5
19181113.5
1919813.5
19201714
19212014
19221014
19231214
19241414
19281514
19291014
19301111
First to last qualifying date each year at Merringreen For each year, a bar from the first to the last day at Merringreen meeting 10 mm (0.39 in). 1897: 9 January 1897 to 19 December 18971898: 13 January 1898 to 3 November 18981900: 8 March 1900 to 18 November 19001901: 28 January 1901 to 6 November 19011903: 27 January 1903 to 21 December 19031904: 3 January 1904 to 18 December 19041905: 19 February 1905 to 31 December 19051906: 28 February 1906 to 19 November 19061907: 27 January 1907 to 28 December 19071908: 24 January 1908 to 12 December 19081909: 18 January 1909 to 11 September 19091910: 11 January 1910 to 1 December 19101911: 13 January 1911 to 26 December 19111912: 10 June 1912 to 25 December 19121913: 2 January 1913 to 31 December 19131914: 19 January 1914 to 15 December 19141915: 20 February 1915 to 14 December 19151916: 29 January 1916 to 9 December 19161917: 23 January 1917 to 12 December 19171918: 11 January 1918 to 16 September 19181919: 11 February 1919 to 27 December 19191920: 13 April 1920 to 17 December 19201921: 3 January 1921 to 31 December 19211922: 13 January 1922 to 11 December 19221923: 3 June 1923 to 27 December 19231924: 3 February 1924 to 15 December 19241928: 19 January 1928 to 25 July 19281929: 25 March 1929 to 27 December 19291930: 14 February 1930 to 15 December 193018971903190719111915191919231930JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Merringreen meeting 10 mm (0.39 in).
First to last qualifying date each year at Merringreen
YearFirst dateLast date
18971897-01-091897-12-19
18981898-01-131898-11-03
19001900-03-081900-11-18
19011901-01-281901-11-06
19031903-01-271903-12-21
19041904-01-031904-12-18
19051905-02-191905-12-31
19061906-02-281906-11-19
19071907-01-271907-12-28
19081908-01-241908-12-12
19091909-01-181909-09-11
19101910-01-111910-12-01
19111911-01-131911-12-26
19121912-06-101912-12-25
19131913-01-021913-12-31
19141914-01-191914-12-15
19151915-02-201915-12-14
19161916-01-291916-12-09
19171917-01-231917-12-12
19181918-01-111918-09-16
19191919-02-111919-12-27
19201920-04-131920-12-17
19211921-01-031921-12-31
19221922-01-131922-12-11
19231923-06-031923-12-27
19241924-02-031924-12-15
19281928-01-191928-07-25
19291929-03-251929-12-27
19301930-02-141930-12-15

Every Fixed Threshold

Fixed thresholds at Merringreen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2922191711
25 mm (0.98 in): Days with 25 mm or more rain26719103
50 mm (1.97 in): Days with 50 mm or more rain8319283
100 mm (3.94 in): Days with 100 mm or more rain2219282
200 mm (7.87 in): Days with 200 mm or more rain1119281

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

  • Data for Merringreen 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).