Built 2026-10-19 (19 October 2026)

Cachoeira/Polvora Threshold Days by Year (BR001853002)

3 fixed thresholds counted per year at Cachoeira/Polvora (BR001853002): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cachoeira/Polvora Thresholds

  • Cachoeira/Polvora: days with 10 mm (0.39 in) or more of precipitation in 15 years, most in 1981 with 62.
  • Cachoeira/Polvora: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1997 with 26.
  • Cachoeira/Polvora: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1997 with 11.
  • 3 fixed thresholds have at least one qualifying day at Cachoeira/Polvora.
15 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Cachoeira/Polvora Days per year at Cachoeira/Polvora with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1981. 0204060801976: 491977: 331978: 231979: 331980: 601981: 621982: 431983: 391993: 411994: 401995: 481996: 491997: 531998: 481999: 4819761978198019821993199519971999
Days per year at Cachoeira/Polvora with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Cachoeira/Polvora
YearDaysDecade average
19764934.5
19773334.5
19782334.5
19793334.5
19806051
19816251
19824351
19833951
19934146.7
19944046.7
19954846.7
19964946.7
19975346.7
19984846.7
19994846.7
First to last qualifying date each year at Cachoeira/Polvora For each year, a bar from the first to the last day at Cachoeira/Polvora meeting 10 mm (0.39 in). 1976: 1 January 1976 to 29 December 19761977: 2 January 1977 to 25 December 19771978: 11 January 1978 to 26 December 19781979: 4 January 1979 to 31 December 19791980: 6 January 1980 to 31 December 19801981: 2 January 1981 to 28 December 19811982: 4 January 1982 to 29 December 19821983: 6 January 1983 to 30 December 19831993: 7 January 1993 to 23 November 19931994: 2 January 1994 to 28 December 19941995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 23 December 19961997: 1 January 1997 to 26 December 19971998: 13 January 1998 to 31 December 19981999: 1 January 1999 to 30 December 199919761978198019821993199519971999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cachoeira/Polvora meeting 10 mm (0.39 in).
First to last qualifying date each year at Cachoeira/Polvora
YearFirst dateLast date
19761976-01-011976-12-29
19771977-01-021977-12-25
19781978-01-111978-12-26
19791979-01-041979-12-31
19801980-01-061980-12-31
19811981-01-021981-12-28
19821982-01-041982-12-29
19831983-01-061983-12-30
19931993-01-071993-11-23
19941994-01-021994-12-28
19951995-01-011995-12-31
19961996-01-011996-12-23
19971997-01-011997-12-26
19981998-01-131998-12-31
19991999-01-011999-12-30

Every Fixed Threshold

Fixed thresholds at Cachoeira/Polvora
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1562198148
25 mm (0.98 in): Days with 25 mm or more rain1526199713
50 mm (1.97 in): Days with 50 mm or more rain151119974

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

Download the Data

  • Data for Cachoeira/Polvora 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).