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Built 2026-10-17 (17 October 2026)

Mercadool Threshold Days by Year

4 fixed thresholds counted per year at Mercadool (ASN00052018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mercadool Thresholds

  • Mercadool: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1890 with 31.
  • Mercadool: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1894 with 13.
  • Mercadool: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1890 with 3.
  • Mercadool: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1890 with 1.
  • 4 fixed thresholds have at least one qualifying day at Mercadool.
44 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mercadool Days per year at Mercadool with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1890. 0102030401890: 311892: 131894: 241895: 191896: 171897: 181898: 91899: 111900: 111901: 41902: 61903: 211904: 151905: 151906: 191907: 131908: 211909: 171910: 101911: 131912: 141913: 131914: 151915: 91918: 71924: 171928: 101929: 71930: 91931: 201932: 91933: 171934: 181935: 81936: 151937: 71938: 111939: 151940: 81941: 71942: 151943: 131944: 81945: 14189018971902190719121924193219371942
Days per year at Mercadool with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1890.
Days with 10 mm (0.39 in) or more of precipitation per year at Mercadool
YearDaysDecade average
18903117.8
18921317.8
18942417.8
18951917.8
18961717.8
18971817.8
1898917.8
18991117.8
19001114.2
1901414.2
1902614.2
19032114.2
19041514.2
19051514.2
19061914.2
19071314.2
19082114.2
19091714.2
19101011.6
19111311.6
19121411.6
19131311.6
19141511.6
1915911.6
1918711.6
19241711.3
19281011.3
1929711.3
1930912.9
19312012.9
1932912.9
19331712.9
19341812.9
1935812.9
19361512.9
1937712.9
19381112.9
19391512.9
1940810.8
1941710.8
19421510.8
19431310.8
1944810.8
19451410.8
First to last qualifying date each year at Mercadool For each year, a bar from the first to the last day at Mercadool meeting 10 mm (0.39 in). 1890: 12 January 1890 to 24 December 18901892: 28 January 1892 to 11 November 18921894: 6 January 1894 to 17 December 18941895: 17 January 1895 to 17 December 18951896: 7 February 1896 to 15 December 18961897: 3 January 1897 to 20 December 18971898: 5 January 1898 to 22 October 18981899: 18 January 1899 to 28 September 18991900: 5 January 1900 to 15 September 19001901: 21 April 1901 to 24 August 19011902: 20 August 1902 to 17 December 19021903: 20 March 1903 to 26 December 19031904: 1 January 1904 to 18 December 19041905: 3 February 1905 to 30 November 19051906: 28 January 1906 to 24 December 19061907: 12 January 1907 to 27 December 19071908: 31 January 1908 to 13 December 19081909: 21 January 1909 to 26 December 19091910: 13 January 1910 to 10 December 19101911: 1 January 1911 to 27 December 19111912: 6 January 1912 to 24 December 19121913: 7 February 1913 to 25 December 19131914: 3 February 1914 to 23 December 19141915: 3 April 1915 to 14 December 19151918: 30 January 1918 to 7 December 19181924: 2 February 1924 to 6 December 19241928: 20 January 1928 to 15 July 19281929: 6 March 1929 to 18 November 19291930: 24 January 1930 to 18 December 19301931: 25 January 1931 to 9 December 19311932: 27 March 1932 to 1 October 19321933: 27 January 1933 to 1 December 19331934: 7 January 1934 to 22 December 19341935: 16 January 1935 to 30 November 19351936: 8 January 1936 to 15 December 19361937: 11 February 1937 to 2 November 19371938: 24 January 1938 to 23 October 19381939: 1 January 1939 to 3 August 19391940: 5 February 1940 to 31 December 19401941: 1 January 1941 to 13 October 19411942: 16 January 1942 to 28 December 19421943: 1 January 1943 to 19 November 19431944: 25 January 1944 to 23 August 19441945: 26 January 1945 to 27 November 194518901898190419101918193219381944JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mercadool meeting 10 mm (0.39 in).
First to last qualifying date each year at Mercadool
YearFirst dateLast date
18901890-01-121890-12-24
18921892-01-281892-11-11
18941894-01-061894-12-17
18951895-01-171895-12-17
18961896-02-071896-12-15
18971897-01-031897-12-20
18981898-01-051898-10-22
18991899-01-181899-09-28
19001900-01-051900-09-15
19011901-04-211901-08-24
19021902-08-201902-12-17
19031903-03-201903-12-26
19041904-01-011904-12-18
19051905-02-031905-11-30
19061906-01-281906-12-24
19071907-01-121907-12-27
19081908-01-311908-12-13
19091909-01-211909-12-26
19101910-01-131910-12-10
19111911-01-011911-12-27
19121912-01-061912-12-24
19131913-02-071913-12-25
19141914-02-031914-12-23
19151915-04-031915-12-14
19181918-01-301918-12-07
19241924-02-021924-12-06
19281928-01-201928-07-15
19291929-03-061929-11-18
19301930-01-241930-12-18
19311931-01-251931-12-09
19321932-03-271932-10-01
19331933-01-271933-12-01
19341934-01-071934-12-22
19351935-01-161935-11-30
19361936-01-081936-12-15
19371937-02-111937-11-02
19381938-01-241938-10-23
19391939-01-011939-08-03
19401940-02-051940-12-31
19411941-01-011941-10-13
19421942-01-161942-12-28
19431943-01-011943-11-19
19441944-01-251944-08-23
19451945-01-261945-11-27

Every Fixed Threshold

Fixed thresholds at Mercadool
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4431189014
25 mm (0.98 in): Days with 25 mm or more rain421318945
50 mm (1.97 in): Days with 50 mm or more rain26318901
100 mm (3.94 in): Days with 100 mm or more rain3118901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1890.

Download the Data

  • Data for Mercadool 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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