Fonte Boa Weather Records (BRM00082212)

Record envelope, standing records and threshold days for Fonte Boa (BRM00082212), Brazil, with 30 years of record.

Key Facts for Fonte Boa

Fonte Boa (BRM00082212) is a weather station in Brazil at -2.53 latitude and -66.17 longitude, 56 m (184 ft) above sea level.
The station reports from 1974 to 2003, 30 years of record.
540 records set at Fonte Boa still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Brazil, -2.53 latitude, -66.17 longitude.
Elevation: 56 m (184 ft).
Period of record: 1974 to 2003, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Fonte Boa. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Fonte Boa, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	33.0 C (91.4 F)	21.0 C (69.8 F)	n/a	n/a
Feb	34.0 C (93.2 F)	21.0 C (69.8 F)	n/a	n/a
Mar	35.0 C (95.0 F)	21.0 C (69.8 F)	n/a	n/a
Apr	32.2 C (90.0 F)	23.0 C (73.4 F)	n/a	n/a
May	33.0 C (91.4 F)	21.0 C (69.8 F)	n/a	n/a
Jun	32.4 C (90.3 F)	19.0 C (66.2 F)	n/a	n/a
Jul	33.0 C (91.4 F)	18.0 C (64.4 F)	n/a	n/a
Aug	35.0 C (95.0 F)	19.0 C (66.2 F)	n/a	n/a
Sep	33.0 C (91.4 F)	20.0 C (68.0 F)	n/a	n/a
Oct	31.0 C (87.8 F)	22.0 C (71.6 F)	n/a	n/a
Nov	33.0 C (91.4 F)	21.0 C (69.8 F)	n/a	n/a
Dec	32.0 C (89.6 F)	21.0 C (69.8 F)	n/a	n/a

Which Years Hold Standing Records

540 standing records

540 records at Fonte Boa still stand. 1979 holds the most, with 256.

Wettest Day of Each Month

Sep: 158.0 mm (6.2 in)

The wettest day on record for each calendar month at Fonte Boa. The most was 158.0 mm (6.2 in) on 28 September 1994.

Record daily precipitation for each month at Fonte Boa
Month	Record daily precipitation (mm)	Date
Jan	13.0 mm (0.5 in)	31 January 1981
Feb	119.9 mm (4.7 in)	28 February 1979
Mar	39.1 mm (1.5 in)	27 March 1979
Apr	7.1 mm (0.28 in)	22 April 1980
May	17.0 mm (0.7 in)	31 May 1979
Jun	50.0 mm (2.0 in)	8 June 1986
Jul	21.1 mm (0.8 in)	23 July 1974
Aug	38.1 mm (1.5 in)	31 August 1979
Sep	158.0 mm (6.2 in)	28 September 1994
Oct	36.1 mm (1.4 in)	5 October 1988
Nov	0.0 mm (0.00 in)	5 November 1978
Dec	26.9 mm (1.1 in)	31 December 1978

Period of Record Coverage

1974 to 2003

17 years of record at Fonte Boa, 1974 to 2003. 17 years have data for under 90 percent of days and are left out of rankings: 1974, 1977, 1978, 1979, 1980, 1981, 1982, 1983 and others.

Days with data per year at Fonte Boa
Year	Days with data	Share of year	Complete
1974	30	8%	No
1977	1	0%	No
1978	22	6%	No
1979	63	17%	No
1980	4	1%	No
1981	4	1%	No
1982	4	1%	No
1983	1	0%	No
1984	2	1%	No
1985	1	0%	No
1986	2	1%	No
1988	4	1%	No
1991	2	1%	No
1992	1	0%	No
1993	1	0%	No
1994	2	1%	No
2003	1	0%	No

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1974 to 2003

Yearly extremes at Fonte Boa: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	1974	32.2 C (90.0 F)	17
Coldest night (TNn)	18.0 C (64.4 F)	1980	21.0 C (69.8 F)	13
Wettest day (Rx1day)	158.0 mm (6.2 in)	1994	10.9 mm (0.4 in)	15
Wettest five days (Rx5day)	79.2 mm (3.1 in)	1979	53.1 mm (2.1 in)	3
Longest dry spell (CDD)	5 days	1979	1 day	12

Hottest day (TXx)

The hottest day of the year at Fonte Boa, 1974 to 2003. The record is 35.0 C (95.0 F) in 1974, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Fonte Boa by year
Year	Hottest day (TXx)
1974	35.0 C (95.0 F)
1977	29.0 C (84.2 F)
1978	34.0 C (93.2 F)
1979	34.0 C (93.2 F)
1980	32.0 C (89.6 F)
1981	33.0 C (91.4 F)
1982	32.2 C (90.0 F)
1983	33.0 C (91.4 F)
1984	32.4 C (90.3 F)
1985	32.0 C (89.6 F)
1986	29.6 C (85.3 F)
1988	31.4 C (88.5 F)
1991	31.0 C (87.8 F)
1992	31.0 C (87.8 F)
1993	33.0 C (91.4 F)
1994	31.5 C (88.7 F)
2003	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Fonte Boa, 1974 to 2003. The record is 18.0 C (64.4 F) in 1980, marked on the chart; the median year is 21.0 C (69.8 F).

Coldest night (TNn) at Fonte Boa by year
Year	Coldest night (TNn)
1974	20.0 C (68.0 F)
1977	n/a
1978	19.0 C (66.2 F)
1979	19.0 C (66.2 F)
1980	18.0 C (64.4 F)
1981	21.0 C (69.8 F)
1982	22.0 C (71.6 F)
1983	23.2 C (73.8 F)
1984	21.0 C (69.8 F)
1985	22.0 C (71.6 F)
1986	21.1 C (70.0 F)
1988	23.2 C (73.8 F)
1991	n/a
1992	n/a
1993	n/a
1994	21.0 C (69.8 F)
2003	23.8 C (74.8 F)

Wettest day (Rx1day)

The wettest day of the year at Fonte Boa, 1974 to 2003. The record is 158.0 mm (6.2 in) in 1994, marked on the chart; the median year is 10.9 mm (0.4 in).

Wettest day (Rx1day) at Fonte Boa by year
Year	Wettest day (Rx1day)
1974	37.1 mm (1.5 in)
1977	0.0 mm (0.00 in)
1978	26.9 mm (1.1 in)
1979	119.9 mm (4.7 in)
1980	7.1 mm (0.28 in)
1981	14.0 mm (0.6 in)
1982	4.1 mm (0.16 in)
1983	0.3 mm (0.01 in)
1984	7.1 mm (0.28 in)
1985	10.9 mm (0.4 in)
1986	50.0 mm (2.0 in)
1988	36.1 mm (1.4 in)
1991	5.1 mm (0.20 in)
1992	n/a
1993	0.0 mm (0.00 in)
1994	158.0 mm (6.2 in)
2003	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Fonte Boa, 1974 to 2003. The record is 79.2 mm (3.1 in) in 1979, marked on the chart; the median year is 53.1 mm (2.1 in).

Wettest five days (Rx5day) at Fonte Boa by year
Year	Wettest five days (Rx5day)
1974	53.1 mm (2.1 in)
1977	n/a
1978	18.9 mm (0.7 in)
1979	79.2 mm (3.1 in)
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1988	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
2003	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Fonte Boa, 1974 to 2003. The record is 5 days in 1979, marked on the chart; the median year is 1 day.

Longest dry spell (CDD) at Fonte Boa by year
Year	Longest dry spell (CDD)
1974	2 days
1977	1 day
1978	2 days
1979	5 days
1980	1 day
1981	1 day
1982	1 day
1983	1 day
1984	1 day
1985	1 day
1986	n/a
1988	n/a
1991	1 day
1992	n/a
1993	1 day
1994	n/a
2003	n/a

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Fonte Boa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Fonte Boa 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). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).