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Built 2026-10-19 (19 October 2026)

Clermont 8 SW Threshold Days by Year (USC00361534)

16 fixed thresholds counted per year at Clermont 8 SW (USC00361534): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clermont 8 SW Thresholds

  • Clermont 8 SW: days with 10 cm (3.9 in) or more of snowfall in 34 years, most in 1971 with 8.
  • Clermont 8 SW: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1997 with 66.
  • Clermont 8 SW: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1984 with 13.
  • Clermont 8 SW: days with a maximum temperature at or below 0 C (32 F) in 32 years, most in 1978 with 73.
  • 16 fixed thresholds have at least one qualifying day at Clermont 8 SW.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Clermont 8 SW Days per year at Clermont 8 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1988. 0102030401961: 221962: 141963: 131964: 181966: 151968: 181969: 141970: 31971: 121972: 81973: 191974: 111975: 121976: 11977: 131978: 51979: 81980: 51981: 91982: 51983: 221984: 71986: 101987: 181988: 401989: 71990: 61991: 231996: 51997: 11998: 319611966197119751979198319881996
Days per year at Clermont 8 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1988.
Days at or above 30 C (86 F) per year at Clermont 8 SW
YearDaysDecade average
19612216.3
19621416.3
19631316.3
19641816.3
19661516.3
19681816.3
19691416.3
197039.2
1971129.2
197289.2
1973199.2
1974119.2
1975129.2
197619.2
1977139.2
197859.2
197989.2
1980513.7
1981913.7
1982513.7
19832213.7
1984713.7
19861013.7
19871813.7
19884013.7
1989713.7
199067.6
1991237.6
199657.6
199717.6
199837.6
First to last qualifying date each year at Clermont 8 SW For each year, a bar from the first to the last day at Clermont 8 SW meeting 30 C (86 F). 1961: 14 May 1961 to 11 September 19611962: 15 May 1962 to 31 August 19621963: 26 June 1963 to 27 July 19631964: 23 May 1964 to 10 September 19641966: 23 June 1966 to 9 August 19661968: 7 June 1968 to 25 August 19681969: 29 May 1969 to 23 August 19691970: 1 July 1970 to 24 September 19701971: 19 May 1971 to 7 September 19711972: 19 July 1972 to 25 August 19721973: 10 June 1973 to 4 September 19731974: 9 June 1974 to 13 August 19741975: 21 May 1975 to 26 August 19751976: 18 April 1976 to 18 April 19761977: 21 May 1977 to 29 August 19771978: 19 July 1978 to 23 July 19781979: 8 May 1979 to 31 July 19791980: 11 July 1980 to 21 July 19801981: 15 June 1981 to 13 July 19811982: 7 July 1982 to 8 August 19821983: 12 June 1983 to 11 September 19831984: 9 June 1984 to 10 August 19841986: 29 May 1986 to 20 July 19861987: 30 May 1987 to 17 August 19871988: 13 June 1988 to 17 August 19881989: 23 July 1989 to 5 August 19891990: 28 April 1990 to 19 July 19901991: 15 June 1991 to 16 September 19911996: 18 May 1996 to 30 June 19961997: 15 July 1997 to 15 July 19971998: 16 May 1998 to 14 September 199819611966197119751979198319881996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Clermont 8 SW meeting 30 C (86 F).
First to last qualifying date each year at Clermont 8 SW
YearFirst dateLast date
19611961-05-141961-09-11
19621962-05-151962-08-31
19631963-06-261963-07-27
19641964-05-231964-09-10
19661966-06-231966-08-09
19681968-06-071968-08-25
19691969-05-291969-08-23
19701970-07-011970-09-24
19711971-05-191971-09-07
19721972-07-191972-08-25
19731973-06-101973-09-04
19741974-06-091974-08-13
19751975-05-211975-08-26
19761976-04-181976-04-18
19771977-05-211977-08-29
19781978-07-191978-07-23
19791979-05-081979-07-31
19801980-07-111980-07-21
19811981-06-151981-07-13
19821982-07-071982-08-08
19831983-06-121983-09-11
19841984-06-091984-08-10
19861986-05-291986-07-20
19871987-05-301987-08-17
19881988-06-131988-08-17
19891989-07-231989-08-05
19901990-04-281990-07-19
19911991-06-151991-09-16
19961996-05-181996-06-30
19971997-07-151997-07-15
19981998-05-161998-09-14

Every Fixed Threshold

Fixed thresholds at Clermont 8 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days314019883
35 C (95 F): Days2319883
90 F (32.2 C): Days161719882
0 C (32 F): Ice days (max3273197821
0 C (32 F): Frost days (min321951963135
-10 C (14 F): Days with min3276197627
-20 C (-4 F): Days with min312119685
-30 C (-22 F): Days with min19819791
20 C (68 F): Tropical nights (min17319801
10 mm (0.39 in): Days with 10 mm or more rain3366199756
25 mm (0.98 in): Days with 25 mm or more rain3313198412
50 mm (1.97 in): Days with 50 mm or more rain18319851
100 mm (3.94 in): Days with 100 mm or more rain1119841
10 cm (3.9 in): Days with 10 cm or more snowfall34819711
25 cm (9.8 in): Days with 25 cm or more snowfall5219611
50 cm (19.7 in): Days with 50 cm or more snowfall1119611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Clermont 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).