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Built 2026-10-19 (19 October 2026)

Topaz Threshold Days by Year (ASN00031167)

5 fixed thresholds counted per year at Topaz (ASN00031167): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Topaz Thresholds

  • Topaz: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1999 with 141.
  • Topaz: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1999 with 84.
  • Topaz: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 2000 with 35.
  • Topaz: days with 100 mm (3.94 in) or more of precipitation in 25 years, most in 2000 with 16.
  • 5 fixed thresholds have at least one qualifying day at Topaz.
26 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Topaz Days per year at Topaz with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 141 in 1999. 0501001501980: 1051981: 1151982: 1091983: 871984: 1061985: 961986: 951987: 1071988: 1171989: 911990: 911991: 871992: 851993: 1181994: 1151995: 1121996: 991997: 1031998: 1121999: 1412000: 1322001: 892002: 632006: 1272014: 822026: 90198019831986198919921995199820012014
Days per year at Topaz with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 141 in 1999.
Days with 10 mm (0.39 in) or more of precipitation per year at Topaz
YearDaysDecade average
1980105102.8
1981115102.8
1982109102.8
198387102.8
1984106102.8
198596102.8
198695102.8
1987107102.8
1988117102.8
198991102.8
199091106.3
199187106.3
199285106.3
1993118106.3
1994115106.3
1995112106.3
199699106.3
1997103106.3
1998112106.3
1999141106.3
2000132102.8
200189102.8
200263102.8
2006127102.8
20148282
20269090
First to last qualifying date each year at Topaz For each year, a bar from the first to the last day at Topaz meeting 10 mm (0.39 in). 1980: 1 January 1980 to 22 December 19801981: 2 January 1981 to 27 December 19811982: 10 January 1982 to 25 December 19821983: 2 January 1983 to 27 December 19831984: 7 January 1984 to 29 December 19841985: 2 January 1985 to 30 December 19851986: 14 January 1986 to 24 December 19861987: 3 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881989: 2 January 1989 to 30 December 19891990: 10 January 1990 to 26 December 19901991: 1 January 1991 to 17 December 19911992: 5 January 1992 to 29 December 19921993: 2 January 1993 to 31 December 19931994: 1 January 1994 to 26 December 19941995: 13 January 1995 to 27 December 19951996: 7 January 1996 to 28 December 19961997: 3 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 3 January 1999 to 27 December 19992000: 13 January 2000 to 30 December 20002001: 1 January 2001 to 19 December 20012002: 3 January 2002 to 31 December 20022006: 2 January 2006 to 31 December 20062014: 9 January 2014 to 7 December 20142026: 1 January 2026 to 21 August 20261980198419881992199620002014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Topaz meeting 10 mm (0.39 in).
First to last qualifying date each year at Topaz
YearFirst dateLast date
19801980-01-011980-12-22
19811981-01-021981-12-27
19821982-01-101982-12-25
19831983-01-021983-12-27
19841984-01-071984-12-29
19851985-01-021985-12-30
19861986-01-141986-12-24
19871987-01-031987-12-31
19881988-01-011988-12-31
19891989-01-021989-12-30
19901990-01-101990-12-26
19911991-01-011991-12-17
19921992-01-051992-12-29
19931993-01-021993-12-31
19941994-01-011994-12-26
19951995-01-131995-12-27
19961996-01-071996-12-28
19971997-01-031997-12-31
19981998-01-011998-12-31
19991999-01-031999-12-27
20002000-01-132000-12-30
20012001-01-012001-12-19
20022002-01-032002-12-31
20062006-01-022006-12-31
20142014-01-092014-12-07
20262026-01-012026-08-21

Every Fixed Threshold

Fixed thresholds at Topaz
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain26141199990
25 mm (0.98 in): Days with 25 mm or more rain2684199953
50 mm (1.97 in): Days with 50 mm or more rain2635200024
100 mm (3.94 in): Days with 100 mm or more rain251620006
200 mm (7.87 in): Days with 200 mm or more rain18419991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

  • Data for Topaz 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 (2026-10-15).