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

Pirapama Threshold Days by Year (BR001944020)

4 fixed thresholds counted per year at Pirapama (BR001944020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pirapama Thresholds

  • Pirapama: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1991 with 57.
  • Pirapama: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1991 with 23.
  • Pirapama: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1994 with 7.
  • Pirapama: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1994 with 2.
  • 4 fixed thresholds have at least one qualifying day at Pirapama.
14 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Pirapama Days per year at Pirapama with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1991. 02040601973: 301975: 271984: 361986: 311989: 401990: 241991: 571992: 511993: 261994: 341997: 431998: 341999: 372000: 421973198419891991199319971999
Days per year at Pirapama with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1991.
Days with 10 mm (0.39 in) or more of precipitation per year at Pirapama
YearDaysDecade average
19733028.5
19752728.5
19843635.7
19863135.7
19894035.7
19902438.3
19915738.3
19925138.3
19932638.3
19943438.3
19974338.3
19983438.3
19993738.3
20004242
First to last qualifying date each year at Pirapama For each year, a bar from the first to the last day at Pirapama meeting 10 mm (0.39 in). 1973: 7 January 1973 to 26 November 19731975: 4 January 1975 to 26 December 19751984: 7 January 1984 to 31 December 19841986: 1 January 1986 to 26 December 19861989: 5 February 1989 to 30 December 19891990: 1 January 1990 to 30 December 19901991: 4 January 1991 to 30 December 19911992: 1 January 1992 to 27 December 19921993: 6 January 1993 to 31 December 19931994: 1 January 1994 to 26 December 19941997: 1 January 1997 to 26 December 19971998: 5 January 1998 to 30 December 19981999: 1 January 1999 to 25 December 19992000: 2 January 2000 to 30 December 20001973198419891991199319971999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pirapama meeting 10 mm (0.39 in).
First to last qualifying date each year at Pirapama
YearFirst dateLast date
19731973-01-071973-11-26
19751975-01-041975-12-26
19841984-01-071984-12-31
19861986-01-011986-12-26
19891989-02-051989-12-30
19901990-01-011990-12-30
19911991-01-041991-12-30
19921992-01-011992-12-27
19931993-01-061993-12-31
19941994-01-011994-12-26
19971997-01-011997-12-26
19981998-01-051998-12-30
19991999-01-011999-12-25
20002000-01-022000-12-30

Every Fixed Threshold

Fixed thresholds at Pirapama
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1457199142
25 mm (0.98 in): Days with 25 mm or more rain1423199119
50 mm (1.97 in): Days with 50 mm or more rain14719942
100 mm (3.94 in): Days with 100 mm or more rain2219941

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Pirapama 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).