Built 2026-10-19 (19 October 2026)

Newport Rose Threshold Days by Year (USC00375215)

16 fixed thresholds counted per year at Newport Rose (USC00375215): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Newport Rose Thresholds

  • Newport Rose: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1958 with 50.
  • Newport Rose: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1983 with 25.
  • Newport Rose: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1967 with 6.
  • Newport Rose: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1980 with 127.
  • 16 fixed thresholds have at least one qualifying day at Newport Rose.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Newport Rose Days per year at Newport Rose with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1959. 051015201958: 21959: 161960: 51961: 151964: 31965: 31966: 51968: 41971: 41973: 111975: 101976: 81977: 91978: 41979: 31980: 161981: 71982: 31983: 131984: 61985: 41986: 21987: 101988: 91989: 71990: 61993: 91994: 11995: 41996: 11997: 21998: 31999: 102001: 22002: 92003: 8195819641971197719811985198919951999
Days per year at Newport Rose with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1959.
Days at or above 30 C (86 F) per year at Newport Rose
YearDaysDecade average
195829
1959169
196055.8
1961155.8
196435.8
196535.8
196655.8
196845.8
197147
1973117
1975107
197687
197797
197847
197937
1980167.7
198177.7
198237.7
1983137.7
198467.7
198547.7
198627.7
1987107.7
198897.7
198977.7
199064.5
199394.5
199414.5
199544.5
199614.5
199724.5
199834.5
1999104.5
200126.3
200296.3
200386.3
First to last qualifying date each year at Newport Rose For each year, a bar from the first to the last day at Newport Rose meeting 30 C (86 F). 1958: 1 July 1958 to 2 July 19581959: 28 May 1959 to 9 September 19591960: 27 June 1960 to 30 August 19601961: 13 June 1961 to 12 September 19611964: 27 June 1964 to 5 September 19641965: 26 May 1965 to 26 July 19651966: 24 June 1966 to 2 September 19661968: 30 June 1968 to 25 July 19681971: 7 July 1971 to 9 August 19711973: 8 July 1973 to 4 September 19731975: 19 June 1975 to 22 August 19751976: 19 April 1976 to 23 August 19761977: 5 July 1977 to 11 August 19771978: 21 May 1978 to 21 August 19781979: 13 July 1979 to 29 July 19791980: 25 June 1980 to 23 September 19801981: 7 July 1981 to 27 July 19811982: 13 July 1982 to 27 July 19821983: 13 June 1983 to 7 September 19831984: 8 June 1984 to 3 August 19841985: 20 July 1985 to 16 August 19851986: 7 July 1986 to 8 July 19861987: 31 May 1987 to 20 August 19871988: 13 June 1988 to 11 August 19881989: 7 July 1989 to 11 September 19891990: 5 July 1990 to 28 August 19901993: 20 June 1993 to 27 August 19931994: 8 July 1994 to 8 July 19941995: 16 July 1995 to 18 August 19951996: 4 September 1996 to 4 September 19961997: 27 June 1997 to 16 July 19971998: 23 July 1998 to 19 August 19981999: 5 July 1999 to 30 August 19992001: 28 June 2001 to 29 June 20012002: 4 July 2002 to 20 August 20022003: 27 June 2003 to 21 August 200319581965197519801985199019972003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Newport Rose meeting 30 C (86 F).
First to last qualifying date each year at Newport Rose
YearFirst dateLast date
19581958-07-011958-07-02
19591959-05-281959-09-09
19601960-06-271960-08-30
19611961-06-131961-09-12
19641964-06-271964-09-05
19651965-05-261965-07-26
19661966-06-241966-09-02
19681968-06-301968-07-25
19711971-07-071971-08-09
19731973-07-081973-09-04
19751975-06-191975-08-22
19761976-04-191976-08-23
19771977-07-051977-08-11
19781978-05-211978-08-21
19791979-07-131979-07-29
19801980-06-251980-09-23
19811981-07-071981-07-27
19821982-07-131982-07-27
19831983-06-131983-09-07
19841984-06-081984-08-03
19851985-07-201985-08-16
19861986-07-071986-07-08
19871987-05-311987-08-20
19881988-06-131988-08-11
19891989-07-071989-09-11
19901990-07-051990-08-28
19931993-06-201993-08-27
19941994-07-081994-07-08
19951995-07-161995-08-18
19961996-09-041996-09-04
19971997-06-271997-07-16
19981998-07-231998-08-19
19991999-07-051999-08-30
20012001-06-282001-06-29
20022002-07-042002-08-20
20032003-06-272003-08-21

Every Fixed Threshold

Fixed thresholds at Newport Rose
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days361619598
35 C (95 F): Days5119731
90 F (32.2 C): Days20819833
0 C (32 F): Ice days (max3930195828
0 C (32 F): Frost days (min411271980100
-10 C (14 F): Days with min4125198219
-20 C (-4 F): Days with min6419821
20 C (68 F): Tropical nights (min4130198816
25 C (77 F): Days with min1119881
10 mm (0.39 in): Days with 10 mm or more rain4550195842
25 mm (0.98 in): Days with 25 mm or more rain4525198317
50 mm (1.97 in): Days with 50 mm or more rain43619672
100 mm (3.94 in): Days with 100 mm or more rain8119601
10 cm (3.9 in): Days with 10 cm or more snowfall29619966
25 cm (9.8 in): Days with 25 cm or more snowfall6219831
50 cm (19.7 in): Days with 50 cm or more snowfall1119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Newport Rose 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 (2025-12-31).