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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Mentone 2 S Threshold Days by Year (USC00415828)

15 fixed thresholds counted per year at Mentone 2 S (USC00415828): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mentone 2 S Thresholds

  • Mentone 2 S: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1960 with 17.
  • Mentone 2 S: days with 25 mm (0.98 in) or more of precipitation in 12 years, most in 1960 with 6.
  • Mentone 2 S: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1960 with 4.
  • Mentone 2 S: days with 10 cm (3.9 in) or more of snowfall in 4 years, most in 1949 with 1.
  • 15 fixed thresholds have at least one qualifying day at Mentone 2 S.
16 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mentone 2 S Days per year at Mentone 2 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1960. 051015201949: 71950: 71951: 41952: 31953: 51954: 41955: 41956: 21957: 61958: 91959: 91960: 171961: 51962: 91964: 51972: 1019491951195319551957195919611964
Days per year at Mentone 2 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1960.
Days with 10 mm (0.39 in) or more of precipitation per year at Mentone 2 S
YearDaysDecade average
194977
195075.3
195145.3
195235.3
195355.3
195445.3
195545.3
195625.3
195765.3
195895.3
195995.3
1960179
196159
196299
196459
19721010
First to last qualifying date each year at Mentone 2 S For each year, a bar from the first to the last day at Mentone 2 S meeting 10 mm (0.39 in). 1949: 4 April 1949 to 15 September 19491950: 12 April 1950 to 21 September 19501951: 29 March 1951 to 24 July 19511952: 28 May 1952 to 8 July 19521953: 24 February 1953 to 23 October 19531954: 12 April 1954 to 6 October 19541955: 1 May 1955 to 24 September 19551956: 3 February 1956 to 26 May 19561957: 9 May 1957 to 22 October 19571958: 5 January 1958 to 29 October 19581959: 2 May 1959 to 3 October 19591960: 2 June 1960 to 9 December 19601961: 19 March 1961 to 16 October 19611962: 5 July 1962 to 18 October 19621964: 19 March 1964 to 19 October 19641972: 5 May 1972 to 20 October 197219491951195319551957195919611964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mentone 2 S meeting 10 mm (0.39 in).
First to last qualifying date each year at Mentone 2 S
YearFirst dateLast date
19491949-04-041949-09-15
19501950-04-121950-09-21
19511951-03-291951-07-24
19521952-05-281952-07-08
19531953-02-241953-10-23
19541954-04-121954-10-06
19551955-05-011955-09-24
19561956-02-031956-05-26
19571957-05-091957-10-22
19581958-01-051958-10-29
19591959-05-021959-10-03
19601960-06-021960-12-09
19611961-03-191961-10-16
19621962-07-051962-10-18
19641964-03-191964-10-19
19721972-05-051972-10-20

Every Fixed Threshold

Fixed thresholds at Mentone 2 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11361944136
35 C (95 F): Days183194483
40 C (104 F): Days119194419
90 F (32.2 C): Days11171944117
100 F (37.8 C): Days149194449
110 F (43.3 C): Days1619446
0 C (32 F): Ice days (max1119441
0 C (32 F): Frost days (min195194495
-10 C (14 F): Days with min1319443
20 C (68 F): Tropical nights (min162194462
25 C (77 F): Days with min1119441
10 mm (0.39 in): Days with 10 mm or more rain1617196010
25 mm (0.98 in): Days with 25 mm or more rain12619603
50 mm (1.97 in): Days with 50 mm or more rain5419601
10 cm (3.9 in): Days with 10 cm or more snowfall4119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Mentone 2 S 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).