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Built 2026-10-18 (18 October 2026)

Tilden 4 SSE Threshold Days by Year

18 fixed thresholds counted per year at Tilden 4 SSE (USC00419031): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tilden 4 SSE Thresholds

  • Tilden 4 SSE: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1976 with 28.
  • Tilden 4 SSE: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1960 with 12.
  • Tilden 4 SSE: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 2006 with 222.
  • Tilden 4 SSE: days with a maximum temperature at or above 35 C (95 F) in 44 years, most in 1996 with 126.
  • 18 fixed thresholds have at least one qualifying day at Tilden 4 SSE.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Tilden 4 SSE Days per year at Tilden 4 SSE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 222 in 2006. 01002003001904: 2111959: 1791960: 1801961: 1791962: 2011963: 2161964: 1911965: 1791966: 1751967: 1791968: 1621969: 1631970: 1651971: 1801972: 1961974: 1841975: 1991976: 1611977: 1761978: 1911979: 1811980: 1991981: 1801982: 1861984: 1981986: 1811987: 1921988: 1741989: 2121990: 1811991: 1981992: 1791993: 1821994: 1901995: 1951996: 2111998: 1851999: 1822005: 1912006: 2222007: 1512008: 1882009: 1912010: 173190419631968197419791986199119962007
Days per year at Tilden 4 SSE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 222 in 2006.
Days at or above 30 C (86 F) per year at Tilden 4 SSE
YearDaysDecade average
1904211211
1959179179
1960180182.5
1961179182.5
1962201182.5
1963216182.5
1964191182.5
1965179182.5
1966175182.5
1967179182.5
1968162182.5
1969163182.5
1970165181.4
1971180181.4
1972196181.4
1974184181.4
1975199181.4
1976161181.4
1977176181.4
1978191181.4
1979181181.4
1980199190.3
1981180190.3
1982186190.3
1984198190.3
1986181190.3
1987192190.3
1988174190.3
1989212190.3
1990181189.2
1991198189.2
1992179189.2
1993182189.2
1994190189.2
1995195189.2
1996211189.2
1998185189.2
1999182189.2
2005191188.6
2006222188.6
2007151188.6
2008188188.6
2009191188.6
2010173173
First to last qualifying date each year at Tilden 4 SSE For each year, a bar from the first to the last day at Tilden 4 SSE meeting 30 C (86 F). 1904: 19 January 1904 to 25 December 19041959: 18 February 1959 to 5 November 19591960: 10 February 1960 to 3 November 19601961: 6 March 1961 to 2 November 19611962: 5 February 1962 to 11 November 19621963: 11 January 1963 to 8 November 19631964: 4 March 1964 to 26 December 19641965: 26 January 1965 to 27 November 19651966: 4 March 1966 to 8 December 19661967: 4 March 1967 to 27 November 19671968: 15 April 1968 to 27 November 19681969: 9 January 1969 to 13 November 19691970: 12 April 1970 to 23 December 19701971: 4 January 1971 to 30 October 19711972: 23 January 1972 to 13 November 19721974: 19 January 1974 to 2 November 19741975: 26 January 1975 to 6 December 19751976: 11 February 1976 to 5 October 19761977: 25 February 1977 to 17 December 19771978: 1 March 1978 to 3 December 19781979: 15 February 1979 to 12 December 19791980: 16 February 1980 to 10 November 19801981: 29 March 1981 to 22 December 19811982: 17 February 1982 to 23 November 19821984: 3 March 1984 to 10 November 19841986: 18 February 1986 to 18 November 19861987: 17 March 1987 to 11 December 19871988: 28 February 1988 to 26 November 19881989: 4 January 1989 to 27 November 19891990: 7 February 1990 to 21 December 19901991: 13 February 1991 to 29 November 19911992: 6 March 1992 to 10 November 19921993: 16 February 1993 to 13 November 19931994: 6 January 1994 to 9 December 19941995: 24 February 1995 to 6 December 19951996: 15 February 1996 to 13 December 19961998: 10 February 1998 to 30 November 19981999: 21 January 1999 to 23 November 19992005: 15 February 2005 to 4 December 20052006: 2 January 2006 to 15 November 20062007: 27 February 2007 to 8 December 20072008: 8 January 2008 to 27 December 20082009: 10 January 2009 to 31 October 20092010: 4 April 2010 to 26 November 201019041964197019771984199119982009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tilden 4 SSE meeting 30 C (86 F).
First to last qualifying date each year at Tilden 4 SSE
YearFirst dateLast date
19041904-01-191904-12-25
19591959-02-181959-11-05
19601960-02-101960-11-03
19611961-03-061961-11-02
19621962-02-051962-11-11
19631963-01-111963-11-08
19641964-03-041964-12-26
19651965-01-261965-11-27
19661966-03-041966-12-08
19671967-03-041967-11-27
19681968-04-151968-11-27
19691969-01-091969-11-13
19701970-04-121970-12-23
19711971-01-041971-10-30
19721972-01-231972-11-13
19741974-01-191974-11-02
19751975-01-261975-12-06
19761976-02-111976-10-05
19771977-02-251977-12-17
19781978-03-011978-12-03
19791979-02-151979-12-12
19801980-02-161980-11-10
19811981-03-291981-12-22
19821982-02-171982-11-23
19841984-03-031984-11-10
19861986-02-181986-11-18
19871987-03-171987-12-11
19881988-02-281988-11-26
19891989-01-041989-11-27
19901990-02-071990-12-21
19911991-02-131991-11-29
19921992-03-061992-11-10
19931993-02-161993-11-13
19941994-01-061994-12-09
19951995-02-241995-12-06
19961996-02-151996-12-13
19981998-02-101998-11-30
19991999-01-211999-11-23
20052005-02-152005-12-04
20062006-01-022006-11-15
20072007-02-272007-12-08
20082008-01-082008-12-27
20092009-01-102009-10-31
20102010-04-042010-11-26

Every Fixed Threshold

Fixed thresholds at Tilden 4 SSE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days442222006173
35 C (95 F): Days44126199643
40 C (104 F): Days344519982
45 C (113 F): Days1119981
90 F (32.2 C): Days441861963122
100 F (37.8 C): Days4384198914
110 F (43.3 C): Days1219982
0 C (32 F): Ice days (max5419891
0 C (32 F): Frost days (min3731196620
-10 C (14 F): Days with min2219621
20 C (68 F): Tropical nights (min371631965148
25 C (77 F): Days with min3623196418
10 mm (0.39 in): Days with 10 mm or more rain4728197618
25 mm (0.98 in): Days with 25 mm or more rain4712196010
50 mm (1.97 in): Days with 50 mm or more rain36519684
100 mm (3.94 in): Days with 100 mm or more rain8220102
200 mm (7.87 in): Days with 200 mm or more rain1120101
10 cm (3.9 in): Days with 10 cm or more snowfall10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

  • Data for Tilden 4 SSE 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).