Built 2026-10-19 (19 October 2026)

Mathews 4 SE Threshold Days by Year (USC00445338)

16 fixed thresholds counted per year at Mathews 4 SE (USC00445338): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mathews 4 SE Thresholds

  • Mathews 4 SE: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1980 with 71.
  • Mathews 4 SE: days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 1957 with 41.
  • Mathews 4 SE: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1960 with 99.
  • Mathews 4 SE: nights with a minimum temperature at or above 20 C (68 F) in 25 years, most in 1959 with 76.
  • 16 fixed thresholds have at least one qualifying day at Mathews 4 SE.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Mathews 4 SE Days per year at Mathews 4 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1980. 0204060801951: 531955: 571956: 611957: 701958: 531959: 701960: 591961: 691980: 711981: 551982: 331983: 651984: 561985: 541986: 691987: 681988: 621989: 531990: 471991: 591992: 351993: 641994: 621995: 601997: 49195119571960198119841987199019931997
Days per year at Mathews 4 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1980.
Days at or above 30 C (86 F) per year at Mathews 4 SE
YearDaysDecade average
19515360.7
19555760.7
19566160.7
19577060.7
19585360.7
19597060.7
19605964
19616964
19807158.6
19815558.6
19823358.6
19836558.6
19845658.6
19855458.6
19866958.6
19876858.6
19886258.6
19895358.6
19904753.7
19915953.7
19923553.7
19936453.7
19946253.7
19956053.7
19974953.7
First to last qualifying date each year at Mathews 4 SE For each year, a bar from the first to the last day at Mathews 4 SE meeting 30 C (86 F). 1951: 26 April 1951 to 6 October 19511955: 20 April 1955 to 30 September 19551956: 30 April 1956 to 23 September 19561957: 21 April 1957 to 23 September 19571958: 4 May 1958 to 26 September 19581959: 9 April 1959 to 6 October 19591960: 14 April 1960 to 20 September 19601961: 25 April 1961 to 25 September 19611980: 12 May 1980 to 22 September 19801981: 29 April 1981 to 1 October 19811982: 1 June 1982 to 18 September 19821983: 28 April 1983 to 20 September 19831984: 19 May 1984 to 26 September 19841985: 19 April 1985 to 11 September 19851986: 1 May 1986 to 4 October 19861987: 11 May 1987 to 18 September 19871988: 30 May 1988 to 23 September 19881989: 29 March 1989 to 15 September 19891990: 14 March 1990 to 7 September 19901991: 8 April 1991 to 19 September 19911992: 17 April 1992 to 22 September 19921993: 16 May 1993 to 26 September 19931994: 27 April 1994 to 18 September 19941995: 19 April 1995 to 24 October 19951997: 20 May 1997 to 11 October 19971951195819801984198819921997JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mathews 4 SE meeting 30 C (86 F).
First to last qualifying date each year at Mathews 4 SE
YearFirst dateLast date
19511951-04-261951-10-06
19551955-04-201955-09-30
19561956-04-301956-09-23
19571957-04-211957-09-23
19581958-05-041958-09-26
19591959-04-091959-10-06
19601960-04-141960-09-20
19611961-04-251961-09-25
19801980-05-121980-09-22
19811981-04-291981-10-01
19821982-06-011982-09-18
19831983-04-281983-09-20
19841984-05-191984-09-26
19851985-04-191985-09-11
19861986-05-011986-10-04
19871987-05-111987-09-18
19881988-05-301988-09-23
19891989-03-291989-09-15
19901990-03-141990-09-07
19911991-04-081991-09-19
19921992-04-171992-09-22
19931993-05-161993-09-26
19941994-04-271994-09-18
19951995-04-191995-10-24
19971997-05-201997-10-11

Every Fixed Threshold

Fixed thresholds at Mathews 4 SE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2571198049
35 C (95 F): Days221319808
90 F (32.2 C): Days2541195729
100 F (37.8 C): Days1119801
0 C (32 F): Ice days (max23919803
0 C (32 F): Frost days (min2599196069
-10 C (14 F): Days with min231519581
-20 C (-4 F): Days with min1119851
20 C (68 F): Tropical nights (min2576195930
25 C (77 F): Days with min18719803
10 mm (0.39 in): Days with 10 mm or more rain2548198933
25 mm (0.98 in): Days with 25 mm or more rain251719588
50 mm (1.97 in): Days with 50 mm or more rain22719582
100 mm (3.94 in): Days with 100 mm or more rain6219551
200 mm (7.87 in): Days with 200 mm or more rain1119551
10 cm (3.9 in): Days with 10 cm or more snowfall4419581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for Mathews 4 SE 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).