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Built 2026-10-19 (19 October 2026)

Meridian Naas Threshold Days by Year (USW00003866)

16 fixed thresholds counted per year at Meridian Naas (USW00003866): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Meridian Naas Thresholds

  • Meridian Naas: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 2016 with 160.
  • Meridian Naas: days with a maximum temperature at or above 90 F (32.2 C) in 54 years, most in 1990 with 128.
  • Meridian Naas: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1978 with 85.
  • Meridian Naas: nights with a minimum temperature at or above 20 C (68 F) in 54 years, most in 2018 with 130.
  • 16 fixed thresholds have at least one qualifying day at Meridian Naas.
54 years with a qualifying day
Days at or above 30 C (86 F) per year at Meridian Naas Days per year at Meridian Naas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 160 in 2016. 0501001502001962: 1351963: 1351964: 1121965: 1291966: 1021967: 971968: 1101969: 1141970: 1061971: 1101972: 1011973: 901974: 891975: 991976: 851977: 1271978: 1301979: 971980: 1241981: 1251982: 1341983: 991984: 1191985: 1411986: 1451987: 1401988: 1321989: 1401990: 1571991: 1411992: 1331993: 1431994: 1011995: 1241996: 1141997: 1011998: 1372007: 1402008: 1132009: 1132010: 1442011: 1292012: 1212013: 1142014: 1262015: 1312016: 1602017: 1282018: 1532019: 1452020: 1102021: 952025: 1282026: 131196219681974198019861992199820122018
Days per year at Meridian Naas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 160 in 2016.
Days at or above 30 C (86 F) per year at Meridian Naas
YearDaysDecade average
1962135116.8
1963135116.8
1964112116.8
1965129116.8
1966102116.8
196797116.8
1968110116.8
1969114116.8
1970106103.4
1971110103.4
1972101103.4
197390103.4
197489103.4
197599103.4
197685103.4
1977127103.4
1978130103.4
197997103.4
1980124129.9
1981125129.9
1982134129.9
198399129.9
1984119129.9
1985141129.9
1986145129.9
1987140129.9
1988132129.9
1989140129.9
1990157127.9
1991141127.9
1992133127.9
1993143127.9
1994101127.9
1995124127.9
1996114127.9
1997101127.9
1998137127.9
2007140122
2008113122
2009113122
2010144135.1
2011129135.1
2012121135.1
2013114135.1
2014126135.1
2015131135.1
2016160135.1
2017128135.1
2018153135.1
2019145135.1
2020110116
202195116
2025128116
2026131116
First to last qualifying date each year at Meridian Naas For each year, a bar from the first to the last day at Meridian Naas meeting 30 C (86 F). 1962: 29 April 1962 to 20 October 19621963: 13 March 1963 to 26 October 19631964: 23 April 1964 to 27 September 19641965: 9 April 1965 to 25 November 19651966: 13 April 1966 to 14 October 19661967: 11 March 1967 to 21 October 19671968: 20 April 1968 to 3 October 19681969: 5 May 1969 to 13 October 19691970: 1 April 1970 to 11 October 19701971: 28 April 1971 to 28 October 19711972: 21 May 1972 to 14 October 19721973: 10 May 1973 to 4 October 19731974: 31 March 1974 to 20 September 19741975: 27 April 1975 to 20 September 19751976: 9 June 1976 to 4 October 19761977: 6 May 1977 to 1 October 19771978: 31 March 1978 to 23 October 19781979: 7 May 1979 to 1 October 19791980: 22 April 1980 to 10 October 19801981: 14 April 1981 to 6 October 19811982: 15 March 1982 to 9 October 19821983: 10 May 1983 to 4 October 19831984: 3 April 1984 to 31 October 19841985: 28 March 1985 to 21 October 19851986: 2 April 1986 to 5 October 19861987: 22 March 1987 to 17 October 19871988: 28 March 1988 to 26 September 19881989: 15 February 1989 to 15 October 19891990: 10 March 1990 to 4 November 19901991: 25 March 1991 to 1 December 19911992: 9 April 1992 to 13 October 19921993: 9 March 1993 to 20 October 19931994: 14 April 1994 to 1 October 19941995: 22 March 1995 to 2 October 19951996: 23 February 1996 to 17 October 19961997: 28 March 1997 to 12 October 19971998: 29 March 1998 to 31 October 19982007: 25 March 2007 to 16 October 20072008: 15 March 2008 to 30 September 20082009: 23 April 2009 to 9 October 20092010: 5 April 2010 to 26 October 20102011: 26 March 2011 to 16 October 20112012: 15 March 2012 to 28 September 20122013: 10 April 2013 to 12 October 20132014: 26 April 2014 to 13 October 20142015: 3 April 2015 to 23 October 20152016: 15 March 2016 to 3 November 20162017: 20 March 2017 to 3 November 20172018: 22 February 2018 to 15 October 20182019: 14 March 2019 to 11 October 20192020: 26 March 2020 to 23 October 20202021: 27 March 2021 to 15 October 20212025: 2 April 2025 to 18 October 20252026: 22 March 2026 to 14 October 202619621969197619831990199720122019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Meridian Naas meeting 30 C (86 F).
First to last qualifying date each year at Meridian Naas
YearFirst dateLast date
19621962-04-291962-10-20
19631963-03-131963-10-26
19641964-04-231964-09-27
19651965-04-091965-11-25
19661966-04-131966-10-14
19671967-03-111967-10-21
19681968-04-201968-10-03
19691969-05-051969-10-13
19701970-04-011970-10-11
19711971-04-281971-10-28
19721972-05-211972-10-14
19731973-05-101973-10-04
19741974-03-311974-09-20
19751975-04-271975-09-20
19761976-06-091976-10-04
19771977-05-061977-10-01
19781978-03-311978-10-23
19791979-05-071979-10-01
19801980-04-221980-10-10
19811981-04-141981-10-06
19821982-03-151982-10-09
19831983-05-101983-10-04
19841984-04-031984-10-31
19851985-03-281985-10-21
19861986-04-021986-10-05
19871987-03-221987-10-17
19881988-03-281988-09-26
19891989-02-151989-10-15
19901990-03-101990-11-04
19911991-03-251991-12-01
19921992-04-091992-10-13
19931993-03-091993-10-20
19941994-04-141994-10-01
19951995-03-221995-10-02
19961996-02-231996-10-17
19971997-03-281997-10-12
19981998-03-291998-10-31
20072007-03-252007-10-16
20082008-03-152008-09-30
20092009-04-232009-10-09
20102010-04-052010-10-26
20112011-03-262011-10-16
20122012-03-152012-09-28
20132013-04-102013-10-12
20142014-04-262014-10-13
20152015-04-032015-10-23
20162016-03-152016-11-03
20172017-03-202017-11-03
20182018-02-222018-10-15
20192019-03-142019-10-11
20202020-03-262020-10-23
20212021-03-272021-10-15
20252025-04-022025-10-18
20262026-03-222026-10-14

Every Fixed Threshold

Fixed thresholds at Meridian Naas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days541602016131
35 C (95 F): Days5181199049
40 C (104 F): Days4219861
90 F (32.2 C): Days541281990101
100 F (37.8 C): Days272619909
0 C (32 F): Ice days (max29519771
0 C (32 F): Frost days (min5485197824
-10 C (14 F): Days with min26619621
20 C (68 F): Tropical nights (min541302018122
25 C (77 F): Days with min211919914
10 mm (0.39 in): Days with 10 mm or more rain5355198932
25 mm (0.98 in): Days with 25 mm or more rain5328198016
50 mm (1.97 in): Days with 50 mm or more rain521019807
100 mm (3.94 in): Days with 100 mm or more rain16419791
10 cm (3.9 in): Days with 10 cm or more snowfall1119631
25 cm (9.8 in): Days with 25 cm or more snowfall1119631

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Meridian Naas 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 (2026-10-17).