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Built 2026-10-19 (19 October 2026)

Ramon 8 SW Threshold Days by Year (USC00297254)

16 fixed thresholds counted per year at Ramon 8 SW (USC00297254): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ramon 8 SW Thresholds

  • Ramon 8 SW: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1991 with 16.
  • Ramon 8 SW: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1985 with 4.
  • Ramon 8 SW: days with 10 cm (3.9 in) or more of snowfall in 30 years, most in 1987 with 7.
  • Ramon 8 SW: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1975 with 144.
  • 16 fixed thresholds have at least one qualifying day at Ramon 8 SW.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Ramon 8 SW Days per year at Ramon 8 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1958. 0501001501958: 1041975: 711977: 981981: 761982: 871983: 831985: 691987: 591989: 811990: 771991: 691992: 751993: 761958197719821985198919911993
Days per year at Ramon 8 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1958.
Days at or above 30 C (86 F) per year at Ramon 8 SW
YearDaysDecade average
1958104104
19757184.5
19779884.5
19817675.8
19828775.8
19838375.8
19856975.8
19875975.8
19898175.8
19907774.3
19916974.3
19927574.3
19937674.3
First to last qualifying date each year at Ramon 8 SW For each year, a bar from the first to the last day at Ramon 8 SW meeting 30 C (86 F). 1958: 6 May 1958 to 20 September 19581975: 12 May 1975 to 12 October 19751977: 9 May 1977 to 30 September 19771981: 10 April 1981 to 29 September 19811982: 15 May 1982 to 26 September 19821983: 24 May 1983 to 19 September 19831985: 9 May 1985 to 16 September 19851987: 17 April 1987 to 27 September 19871989: 10 March 1989 to 13 October 19891990: 14 May 1990 to 27 September 19901991: 9 May 1991 to 17 October 19911992: 28 April 1992 to 5 October 19921993: 22 April 1993 to 28 September 19931958197719821985198919911993JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ramon 8 SW meeting 30 C (86 F).
First to last qualifying date each year at Ramon 8 SW
YearFirst dateLast date
19581958-05-061958-09-20
19751975-05-121975-10-12
19771977-05-091977-09-30
19811981-04-101981-09-29
19821982-05-151982-09-26
19831983-05-241983-09-19
19851985-05-091985-09-16
19871987-04-171987-09-27
19891989-03-101989-10-13
19901990-05-141990-09-27
19911991-05-091991-10-17
19921992-04-281992-10-05
19931993-04-221993-09-28

Every Fixed Threshold

Fixed thresholds at Ramon 8 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days13104195876
35 C (95 F): Days1334195820
40 C (104 F): Days2119811
90 F (32.2 C): Days1381195847
100 F (37.8 C): Days9919813
0 C (32 F): Ice days (max131819871
0 C (32 F): Frost days (min141441975127
-10 C (14 F): Days with min1432198913
-20 C (-4 F): Days with min9319832
-30 C (-22 F): Days with min2119831
20 C (68 F): Tropical nights (min4319902
10 mm (0.39 in): Days with 10 mm or more rain4616199110
25 mm (0.98 in): Days with 25 mm or more rain40419851
50 mm (1.97 in): Days with 50 mm or more rain10219851
10 cm (3.9 in): Days with 10 cm or more snowfall30719871
25 cm (9.8 in): Days with 25 cm or more snowfall5119871

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 Ramon 8 SW 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).