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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Barra Nova Threshold Days by Year (BR001839006)

4 fixed thresholds counted per year at Barra Nova (BR001839006): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Barra Nova Thresholds

  • Barra Nova: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1978 with 47.
  • Barra Nova: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1979 with 21.
  • Barra Nova: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1979 with 9.
  • Barra Nova: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1981 with 3.
  • 4 fixed thresholds have at least one qualifying day at Barra Nova.
14 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Barra Nova Days per year at Barra Nova with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1978. 02040601971: 411973: 301974: 361975: 361976: 381977: 461978: 471979: 371980: 441981: 471982: 441988: 391997: 232000: 391971197419761978198019821997
Days per year at Barra Nova with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at Barra Nova
YearDaysDecade average
19714138.9
19733038.9
19743638.9
19753638.9
19763838.9
19774638.9
19784738.9
19793738.9
19804443.5
19814743.5
19824443.5
19883943.5
19972323
20003939
First to last qualifying date each year at Barra Nova For each year, a bar from the first to the last day at Barra Nova meeting 10 mm (0.39 in). 1971: 9 January 1971 to 15 December 19711973: 17 January 1973 to 25 December 19731974: 3 January 1974 to 28 December 19741975: 3 January 1975 to 16 December 19751976: 3 January 1976 to 22 December 19761977: 3 January 1977 to 26 December 19771978: 3 January 1978 to 31 December 19781979: 7 January 1979 to 28 December 19791980: 3 January 1980 to 31 December 19801981: 2 January 1981 to 29 December 19811982: 5 January 1982 to 27 December 19821988: 2 January 1988 to 18 December 19881997: 3 January 1997 to 19 December 19972000: 6 April 2000 to 31 December 20001971197419761978198019821997JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Barra Nova meeting 10 mm (0.39 in).
First to last qualifying date each year at Barra Nova
YearFirst dateLast date
19711971-01-091971-12-15
19731973-01-171973-12-25
19741974-01-031974-12-28
19751975-01-031975-12-16
19761976-01-031976-12-22
19771977-01-031977-12-26
19781978-01-031978-12-31
19791979-01-071979-12-28
19801980-01-031980-12-31
19811981-01-021981-12-29
19821982-01-051982-12-27
19881988-01-021988-12-18
19971997-01-031997-12-19
20002000-04-062000-12-31

Every Fixed Threshold

Fixed thresholds at Barra Nova
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1447197839
25 mm (0.98 in): Days with 25 mm or more rain1421197916
50 mm (1.97 in): Days with 50 mm or more rain14919795
100 mm (3.94 in): Days with 100 mm or more rain7319811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Barra Nova 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).