Built 2026-10-19 (19 October 2026)

N Is NAS Threshold Days by Year (USW00093112)

10 fixed thresholds counted per year at N Is NAS (USW00093112): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for N Is NAS Thresholds

  • N Is NAS: nights with a minimum temperature at or above 20 C (68 F) in 74 years, most in 1984 with 91.
  • N Is NAS: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1978 with 18.
  • N Is NAS: days with a maximum temperature at or above 30 C (86 F) in 72 years, most in 2008 with 24.
  • N Is NAS: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1965 with 7.
  • 10 fixed thresholds have at least one qualifying day at N Is NAS.
72 years with a qualifying day
Days at or above 30 C (86 F) per year at N Is NAS Days per year at N Is NAS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 2008. 01020301946: 11947: 21949: 41950: 21951: 31952: 11953: 41955: 41956: 61957: 21958: 61959: 41960: 51961: 41962: 11963: 61964: 21965: 91966: 41967: 71968: 51969: 21970: 81971: 121972: 81973: 81974: 71975: 21976: 101977: 31978: 101979: 91980: 71981: 61982: 61983: 61984: 121985: 121986: 51987: 61988: 41989: 41990: 71991: 31992: 51993: 11994: 61995: 21996: 21997: 81998: 62002: 22003: 12004: 82005: 32008: 242009: 182010: 92011: 82012: 142013: 202014: 182015: 122016: 92017: 122018: 72019: 102020: 182021: 72022: 102025: 12026: 13194619561964197219801988199620092017
Days per year at N Is NAS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 2008.
Days at or above 30 C (86 F) per year at N Is NAS
YearDaysDecade average
194612.3
194722.3
194942.3
195023.6
195133.6
195213.6
195343.6
195543.6
195663.6
195723.6
195863.6
195943.6
196054.5
196144.5
196214.5
196364.5
196424.5
196594.5
196644.5
196774.5
196854.5
196924.5
197087.7
1971127.7
197287.7
197387.7
197477.7
197527.7
1976107.7
197737.7
1978107.7
197997.7
198076.8
198166.8
198266.8
198366.8
1984126.8
1985126.8
198656.8
198766.8
198846.8
198946.8
199074.4
199134.4
199254.4
199314.4
199464.4
199524.4
199624.4
199784.4
199864.4
200229.3
200319.3
200489.3
200539.3
2008249.3
2009189.3
2010911.9
2011811.9
20121411.9
20132011.9
20141811.9
20151211.9
2016911.9
20171211.9
2018711.9
20191011.9
2020189.8
202179.8
2022109.8
202519.8
2026139.8
First to last qualifying date each year at N Is NAS For each year, a bar from the first to the last day at N Is NAS meeting 30 C (86 F). 1946: 18 September 1946 to 18 September 19461947: 12 April 1947 to 13 April 19471949: 27 August 1949 to 4 November 19491950: 3 November 1950 to 4 November 19501951: 6 October 1951 to 8 October 19511952: 19 September 1952 to 19 September 19521953: 3 May 1953 to 5 October 19531955: 31 August 1955 to 3 September 19551956: 15 May 1956 to 9 November 19561957: 19 June 1957 to 4 July 19571958: 20 April 1958 to 18 October 19581959: 10 July 1959 to 15 October 19591960: 2 April 1960 to 5 October 19601961: 5 August 1961 to 16 October 19611962: 30 October 1962 to 30 October 19621963: 11 September 1963 to 28 September 19631964: 19 October 1964 to 20 October 19641965: 12 August 1965 to 27 October 19651966: 24 October 1966 to 2 November 19661967: 15 May 1967 to 17 October 19671968: 9 April 1968 to 25 September 19681969: 4 January 1969 to 7 August 19691970: 2 May 1970 to 30 September 19701971: 4 April 1971 to 11 October 19711972: 28 July 1972 to 6 October 19721973: 20 June 1973 to 30 October 19731974: 19 July 1974 to 12 November 19741975: 24 September 1975 to 25 September 19751976: 26 June 1976 to 5 November 19761977: 17 January 1977 to 26 November 19771978: 16 March 1978 to 23 October 19781979: 12 May 1979 to 19 September 19791980: 30 July 1980 to 30 December 19801981: 17 June 1981 to 2 November 19811982: 21 August 1982 to 23 October 19821983: 18 May 1983 to 11 September 19831984: 7 July 1984 to 28 September 19841985: 2 April 1985 to 2 November 19851986: 12 January 1986 to 19 August 19861987: 4 March 1987 to 11 November 19871988: 25 March 1988 to 9 October 19881989: 4 April 1989 to 25 September 19891990: 26 June 1990 to 10 November 19901991: 12 August 1991 to 11 October 19911992: 14 August 1992 to 24 September 19921993: 28 September 1993 to 28 September 19931994: 12 August 1994 to 10 October 19941995: 3 February 1995 to 19 February 19951996: 29 April 1996 to 9 November 19961997: 19 March 1997 to 3 November 19971998: 9 August 1998 to 6 October 19982002: 22 February 2002 to 20 November 20022003: 21 October 2003 to 21 October 20032004: 8 March 2004 to 8 October 20042005: 6 October 2005 to 1 November 20052008: 23 March 2008 to 18 November 20082009: 12 January 2009 to 26 October 20092010: 17 March 2010 to 5 November 20102011: 2 May 2011 to 27 November 20112012: 5 January 2012 to 5 November 20122013: 3 May 2013 to 16 December 20132014: 15 January 2014 to 27 November 20142015: 13 March 2015 to 12 October 20152016: 16 February 2016 to 11 November 20162017: 1 September 2017 to 23 November 20172018: 6 July 2018 to 19 October 20182019: 31 March 2019 to 18 November 20192020: 14 August 2020 to 16 November 20202021: 15 January 2021 to 12 November 20212022: 12 February 2022 to 19 October 20222025: 29 October 2025 to 29 October 20252026: 8 March 2026 to 6 October 202619461957196619751984199320052016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at N Is NAS meeting 30 C (86 F).
First to last qualifying date each year at N Is NAS
YearFirst dateLast date
19461946-09-181946-09-18
19471947-04-121947-04-13
19491949-08-271949-11-04
19501950-11-031950-11-04
19511951-10-061951-10-08
19521952-09-191952-09-19
19531953-05-031953-10-05
19551955-08-311955-09-03
19561956-05-151956-11-09
19571957-06-191957-07-04
19581958-04-201958-10-18
19591959-07-101959-10-15
19601960-04-021960-10-05
19611961-08-051961-10-16
19621962-10-301962-10-30
19631963-09-111963-09-28
19641964-10-191964-10-20
19651965-08-121965-10-27
19661966-10-241966-11-02
19671967-05-151967-10-17
19681968-04-091968-09-25
19691969-01-041969-08-07
19701970-05-021970-09-30
19711971-04-041971-10-11
19721972-07-281972-10-06
19731973-06-201973-10-30
19741974-07-191974-11-12
19751975-09-241975-09-25
19761976-06-261976-11-05
19771977-01-171977-11-26
19781978-03-161978-10-23
19791979-05-121979-09-19
19801980-07-301980-12-30
19811981-06-171981-11-02
19821982-08-211982-10-23
19831983-05-181983-09-11
19841984-07-071984-09-28
19851985-04-021985-11-02
19861986-01-121986-08-19
19871987-03-041987-11-11
19881988-03-251988-10-09
19891989-04-041989-09-25
19901990-06-261990-11-10
19911991-08-121991-10-11
19921992-08-141992-09-24
19931993-09-281993-09-28
19941994-08-121994-10-10
19951995-02-031995-02-19
19961996-04-291996-11-09
19971997-03-191997-11-03
19981998-08-091998-10-06
20022002-02-222002-11-20
20032003-10-212003-10-21
20042004-03-082004-10-08
20052005-10-062005-11-01
20082008-03-232008-11-18
20092009-01-122009-10-26
20102010-03-172010-11-05
20112011-05-022011-11-27
20122012-01-052012-11-05
20132013-05-032013-12-16
20142014-01-152014-11-27
20152015-03-132015-10-12
20162016-02-162016-11-11
20172017-09-012017-11-23
20182018-07-062018-10-19
20192019-03-312019-11-18
20202020-08-142020-11-16
20212021-01-152021-11-12
20222022-02-122022-10-19
20252025-10-292025-10-29
20262026-03-082026-10-06

Every Fixed Threshold

Fixed thresholds at N Is NAS
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7224200813
35 C (95 F): Days28319704
90 F (32.2 C): Days521020178
100 F (37.8 C): Days9220172
0 C (32 F): Frost days (min2119491
20 C (68 F): Tropical nights (min7491198480
25 C (77 F): Days with min1119551
10 mm (0.39 in): Days with 10 mm or more rain741819781
25 mm (0.98 in): Days with 25 mm or more rain58719653
50 mm (1.97 in): Days with 50 mm or more rain8119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

  • Data for N Is NAS 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).