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Built 2026-10-15 (15 October 2026)

Weeki Wachee Threshold Days by Year

14 fixed thresholds counted per year at Weeki Wachee (USC00089430): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Weeki Wachee Thresholds

  • Weeki Wachee: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 2014 with 57.
  • Weeki Wachee: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1983 with 32.
  • Weeki Wachee: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 1988 with 10.
  • Weeki Wachee: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1990 with 213.
  • 14 fixed thresholds have at least one qualifying day at Weeki Wachee.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Weeki Wachee Days per year at Weeki Wachee with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 213 in 1990. 01002003001970: 1361971: 1691972: 1431974: 1241975: 1981976: 1371977: 1531978: 1751979: 1691980: 1571981: 1541982: 1641983: 1511984: 1471985: 1581988: 1721989: 1931990: 2131991: 2061993: 1451995: 1881996: 1591997: 1771998: 1642000: 1502001: 1652002: 1782003: 1582005: 1522006: 1262008: 1472009: 1602010: 1712011: 1672012: 1672013: 1762014: 1701970197519791983198919952000200520102014
Days per year at Weeki Wachee with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 213 in 1990.
Days at or above 30 C (86 F) per year at Weeki Wachee
YearDaysDecade average
1970136156
1971169156
1972143156
1974124156
1975198156
1976137156
1977153156
1978175156
1979169156
1980157162
1981154162
1982164162
1983151162
1984147162
1985158162
1988172162
1989193162
1990213178.9
1991206178.9
1993145178.9
1995188178.9
1996159178.9
1997177178.9
1998164178.9
2000150154.5
2001165154.5
2002178154.5
2003158154.5
2005152154.5
2006126154.5
2008147154.5
2009160154.5
2010171170.2
2011167170.2
2012167170.2
2013176170.2
2014170170.2
First to last qualifying date each year at Weeki Wachee For each year, a bar from the first to the last day at Weeki Wachee meeting 30 C (86 F). 1970: 20 March 1970 to 30 October 19701971: 22 February 1971 to 2 November 19711972: 29 January 1972 to 10 December 19721974: 9 March 1974 to 20 November 19741975: 19 February 1975 to 12 November 19751976: 4 March 1976 to 20 October 19761977: 7 March 1977 to 23 November 19771978: 15 March 1978 to 9 December 19781979: 24 February 1979 to 3 November 19791980: 13 March 1980 to 10 November 19801981: 1 April 1981 to 30 October 19811982: 14 March 1982 to 4 December 19821983: 7 March 1983 to 24 October 19831984: 22 April 1984 to 3 November 19841985: 23 April 1985 to 20 November 19851988: 3 February 1988 to 28 November 19881989: 13 January 1989 to 16 November 19891990: 2 February 1990 to 31 December 19901991: 1 January 1991 to 16 December 19911993: 14 April 1993 to 16 November 19931995: 6 March 1995 to 6 December 19951996: 16 April 1996 to 8 November 19961997: 16 February 1997 to 22 November 19971998: 29 March 1998 to 13 November 19982000: 17 March 2000 to 9 November 20002001: 12 February 2001 to 18 December 20012002: 24 January 2002 to 13 November 20022003: 13 March 2003 to 20 November 20032005: 27 March 2005 to 16 November 20052006: 11 March 2006 to 1 December 20062008: 31 March 2008 to 14 November 20082009: 28 March 2009 to 1 November 20092010: 3 April 2010 to 24 November 20102011: 27 February 2011 to 16 October 20112012: 3 March 2012 to 18 October 20122013: 2 January 2013 to 23 December 20132014: 3 February 2014 to 28 October 201419701976198119881995200120082013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Weeki Wachee meeting 30 C (86 F).
First to last qualifying date each year at Weeki Wachee
YearFirst dateLast date
19701970-03-201970-10-30
19711971-02-221971-11-02
19721972-01-291972-12-10
19741974-03-091974-11-20
19751975-02-191975-11-12
19761976-03-041976-10-20
19771977-03-071977-11-23
19781978-03-151978-12-09
19791979-02-241979-11-03
19801980-03-131980-11-10
19811981-04-011981-10-30
19821982-03-141982-12-04
19831983-03-071983-10-24
19841984-04-221984-11-03
19851985-04-231985-11-20
19881988-02-031988-11-28
19891989-01-131989-11-16
19901990-02-021990-12-31
19911991-01-011991-12-16
19931993-04-141993-11-16
19951995-03-061995-12-06
19961996-04-161996-11-08
19971997-02-161997-11-22
19981998-03-291998-11-13
20002000-03-172000-11-09
20012001-02-122001-12-18
20022002-01-242002-11-13
20032003-03-132003-11-20
20052005-03-272005-11-16
20062006-03-112006-12-01
20082008-03-312008-11-14
20092009-03-282009-11-01
20102010-04-032010-11-24
20112011-02-272011-10-16
20122012-03-032012-10-18
20132013-01-022013-12-23
20142014-02-032014-10-28

Every Fixed Threshold

Fixed thresholds at Weeki Wachee
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days372131990170
35 C (95 F): Days357319908
40 C (104 F): Days1119711
90 F (32.2 C): Days371571990115
100 F (37.8 C): Days3219712
0 C (32 F): Frost days (min312719772
-10 C (14 F): Days with min1119811
20 C (68 F): Tropical nights (min321602013160
25 C (77 F): Days with min202419983
10 mm (0.39 in): Days with 10 mm or more rain3857201457
25 mm (0.98 in): Days with 25 mm or more rain3832198326
50 mm (1.97 in): Days with 50 mm or more rain381019886
100 mm (3.94 in): Days with 100 mm or more rain16419981
200 mm (7.87 in): Days with 200 mm or more rain1120121

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Weeki Wachee 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).