Built 2026-10-19 (19 October 2026)

Cachan Threshold Days by Year (MXN00016208)

10 fixed thresholds counted per year at Cachan (MXN00016208): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cachan Thresholds

  • Cachan: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1992 with 35.
  • Cachan: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1992 with 21.
  • Cachan: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1981 with 9.
  • Cachan: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 2000 with 357.
  • 10 fixed thresholds have at least one qualifying day at Cachan.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Cachan Days per year at Cachan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 357 in 2000. 01002003004001981: 2741982: 3491983: 3251984: 2881985: 3091987: 3371988: 3031990: 3161991: 3221992: 2911994: 3261995: 3261996: 3262000: 3572002: 3122006: 3012009: 3532010: 214198119831985198819911994199620022009
Days per year at Cachan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 357 in 2000.
Days at or above 30 C (86 F) per year at Cachan
YearDaysDecade average
1981274312.1
1982349312.1
1983325312.1
1984288312.1
1985309312.1
1987337312.1
1988303312.1
1990316317.8
1991322317.8
1992291317.8
1994326317.8
1995326317.8
1996326317.8
2000357330.8
2002312330.8
2006301330.8
2009353330.8
2010214214
First to last qualifying date each year at Cachan For each year, a bar from the first to the last day at Cachan meeting 30 C (86 F). 1981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 2 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 14 December 19881990: 2 January 1990 to 13 December 19901991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 31 December 19921994: 3 January 1994 to 15 December 19941995: 3 January 1995 to 31 December 19951996: 1 January 1996 to 18 December 19962000: 1 January 2000 to 31 December 20002002: 1 January 2002 to 20 December 20022006: 1 January 2006 to 30 November 20062009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 29 December 2010198119841988199219962006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cachan meeting 30 C (86 F).
First to last qualifying date each year at Cachan
YearFirst dateLast date
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-021983-12-31
19841984-01-011984-12-31
19851985-01-011985-12-31
19871987-01-011987-12-31
19881988-01-011988-12-14
19901990-01-021990-12-13
19911991-01-011991-12-31
19921992-01-011992-12-31
19941994-01-031994-12-15
19951995-01-031995-12-31
19961996-01-011996-12-18
20002000-01-012000-12-31
20022002-01-012002-12-20
20062006-01-012006-11-30
20092009-01-012009-12-31
20102010-01-012010-12-29

Every Fixed Threshold

Fixed thresholds at Cachan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days183572000214
35 C (95 F): Days1415320093
90 F (32.2 C): Days18311200939
100 F (37.8 C): Days3320092
20 C (68 F): Tropical nights (min182551990198
25 C (77 F): Days with min1721201021
10 mm (0.39 in): Days with 10 mm or more rain2135199230
25 mm (0.98 in): Days with 25 mm or more rain2121199217
50 mm (1.97 in): Days with 50 mm or more rain20919815
100 mm (3.94 in): Days with 100 mm or more rain8320091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Cachan 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).