Mayumba Weather Records (GB000064503)

Record envelope, standing records and threshold days for Mayumba (GB000064503), Gabon, with 33 years of record.

Key Facts for Mayumba

Mayumba (GB000064503) is a weather station in Gabon at -3.42 latitude and 10.65 longitude, 34 m (112 ft) above sea level.
The station reports from 1973 to 2005, 33 years of record.
1,464 records set at Mayumba still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Gabon, -3.42 latitude, 10.65 longitude.
Elevation: 34 m (112 ft).
Period of record: 1973 to 2005, 33 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 Mayumba. 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 Mayumba, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	34.3 C (93.7 F)	19.5 C (67.1 F)	n/a	n/a
Feb	34.2 C (93.6 F)	18.4 C (65.1 F)	n/a	n/a
Mar	36.0 C (96.8 F)	19.0 C (66.2 F)	n/a	n/a
Apr	35.2 C (95.4 F)	19.6 C (67.3 F)	n/a	n/a
May	33.5 C (92.3 F)	19.0 C (66.2 F)	n/a	n/a
Jun	30.8 C (87.4 F)	15.7 C (60.3 F)	n/a	n/a
Jul	30.0 C (86.0 F)	17.0 C (62.6 F)	n/a	n/a
Aug	29.6 C (85.3 F)	17.0 C (62.6 F)	n/a	n/a
Sep	35.0 C (95.0 F)	18.8 C (65.8 F)	n/a	n/a
Oct	35.0 C (95.0 F)	20.5 C (68.9 F)	n/a	n/a
Nov	36.1 C (97.0 F)	19.0 C (66.2 F)	n/a	n/a
Dec	34.0 C (93.2 F)	20.0 C (68.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mayumba still stand. 2003 holds the most, with 129.

Standing records at Mayumba by the year they were set
Year set	Standing records
1973	27
1974	21
1975	24
1976	86
1977	29
1978	33
1979	22
1980	30
1981	54
1982	3
1984	40
1985	46
1986	59
1987	36
1988	37
1989	9
1990	26
1991	3
1992	59
1993	48
1994	32
1995	55
1996	17
1997	26
1998	102
1999	68
2000	73
2001	112
2002	66
2003	129
2004	67
2005	25

Wettest Day of Each Month

Mar: 450.1 mm (17.7 in)

The wettest day on record for each calendar month at Mayumba. The most was 450.1 mm (17.7 in) on 12 March 1994.

Record daily precipitation for each month at Mayumba
Month	Record daily precipitation (mm)	Date
Jan	247.9 mm (9.8 in)	18 January 1985
Feb	130.0 mm (5.1 in)	20 February 2001
Mar	450.1 mm (17.7 in)	12 March 1994
Apr	222.0 mm (8.7 in)	24 April 1997
May	247.9 mm (9.8 in)	21 May 1995
Jun	17.0 mm (0.7 in)	2 June 1986
Jul	99.1 mm (3.9 in)	28 July 1998
Aug	15.0 mm (0.6 in)	1 August 1984
Sep	25.9 mm (1.0 in)	10 September 1986
Oct	63.0 mm (2.5 in)	4 October 1988
Nov	220.0 mm (8.7 in)	13 November 1984
Dec	300.0 mm (11.8 in)	19 December 1978

Period of Record Coverage

1973 to 2005

32 years of record at Mayumba, 1973 to 2005. 32 years have data for under 90 percent of days and are left out of rankings: 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980 and others.

Days with data per year at Mayumba
Year	Days with data	Share of year	Complete
1973	39	11%	No
1974	42	12%	No
1975	41	11%	No
1976	94	26%	No
1977	56	15%	No
1978	30	8%	No
1979	35	10%	No
1980	66	18%	No
1981	130	36%	No
1982	16	4%	No
1984	65	18%	No
1985	118	32%	No
1986	126	35%	No
1987	86	24%	No
1988	115	31%	No
1989	55	15%	No
1990	51	14%	No
1991	5	1%	No
1992	147	40%	No
1993	168	46%	No
1994	141	39%	No
1995	109	30%	No
1996	56	15%	No
1997	82	22%	No
1998	154	42%	No
1999	193	53%	No
2000	141	39%	No
2001	259	71%	No
2002	133	36%	No
2003	213	58%	No
2004	172	47%	No
2005	41	11%	No

Latest Records

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

Extremes by Year

1973 to 2005

Yearly extremes at Mayumba: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	2003	32.7 C (90.9 F)	32
Coldest night (TNn)	15.7 C (60.3 F)	1985	18.7 C (65.6 F)	32
Wettest day (Rx1day)	450.1 mm (17.7 in)	1994	142.5 mm (5.6 in)	32
Wettest five days (Rx5day)	224.8 mm (8.9 in)	1988	88.9 mm (3.5 in)	20
Longest dry spell (CDD)	6 days	1978	3 days	31

Hottest day (TXx)

The hottest day of the year at Mayumba, 1973 to 2005. The record is 36.1 C (97.0 F) in 2003, marked on the chart; the median year is 32.7 C (90.9 F).

Hottest day (TXx) at Mayumba by year
Year	Hottest day (TXx)
1973	35.0 C (95.0 F)
1974	32.0 C (89.6 F)
1975	32.0 C (89.6 F)
1976	33.0 C (91.4 F)
1977	31.0 C (87.8 F)
1978	31.0 C (87.8 F)
1979	31.0 C (87.8 F)
1980	35.0 C (95.0 F)
1981	34.0 C (93.2 F)
1982	31.5 C (88.7 F)
1984	30.5 C (86.9 F)
1985	32.5 C (90.5 F)
1986	32.9 C (91.2 F)
1987	32.0 C (89.6 F)
1988	32.5 C (90.5 F)
1989	32.5 C (90.5 F)
1990	32.4 C (90.3 F)
1991	27.2 C (81.0 F)
1992	32.0 C (89.6 F)
1993	32.4 C (90.3 F)
1994	35.0 C (95.0 F)
1995	33.7 C (92.7 F)
1996	30.4 C (86.7 F)
1997	36.0 C (96.8 F)
1998	33.0 C (91.4 F)
1999	33.4 C (92.1 F)
2000	34.1 C (93.4 F)
2001	35.2 C (95.4 F)
2002	33.7 C (92.7 F)
2003	36.1 C (97.0 F)
2004	34.2 C (93.6 F)
2005	34.5 C (94.1 F)

Coldest night (TNn)

The coldest night of the year at Mayumba, 1973 to 2005. The record is 15.7 C (60.3 F) in 1985, marked on the chart; the median year is 18.7 C (65.6 F).

Coldest night (TNn) at Mayumba by year
Year	Coldest night (TNn)
1973	19.0 C (66.2 F)
1974	18.0 C (64.4 F)
1975	17.0 C (62.6 F)
1976	17.0 C (62.6 F)
1977	18.0 C (64.4 F)
1978	20.0 C (68.0 F)
1979	18.0 C (64.4 F)
1980	20.0 C (68.0 F)
1981	18.0 C (64.4 F)
1982	23.3 C (73.9 F)
1984	20.5 C (68.9 F)
1985	15.7 C (60.3 F)
1986	18.6 C (65.5 F)
1987	19.5 C (67.1 F)
1988	18.4 C (65.1 F)
1989	18.0 C (64.4 F)
1990	18.6 C (65.5 F)
1991	20.0 C (68.0 F)
1992	18.0 C (64.4 F)
1993	19.6 C (67.3 F)
1994	19.0 C (66.2 F)
1995	20.0 C (68.0 F)
1996	17.0 C (62.6 F)
1997	20.5 C (68.9 F)
1998	20.0 C (68.0 F)
1999	18.7 C (65.7 F)
2000	19.8 C (67.6 F)
2001	18.1 C (64.6 F)
2002	18.4 C (65.1 F)
2003	19.6 C (67.3 F)
2004	18.5 C (65.3 F)
2005	22.8 C (73.0 F)

Wettest day (Rx1day)

The wettest day of the year at Mayumba, 1973 to 2005. The record is 450.1 mm (17.7 in) in 1994, marked on the chart; the median year is 142.5 mm (5.6 in).

Wettest day (Rx1day) at Mayumba by year
Year	Wettest day (Rx1day)
1973	47.0 mm (1.9 in)
1974	41.9 mm (1.6 in)
1975	5.1 mm (0.20 in)
1976	43.9 mm (1.7 in)
1977	17.0 mm (0.7 in)
1978	300.0 mm (11.8 in)
1979	130.0 mm (5.1 in)
1980	199.9 mm (7.9 in)
1981	70.1 mm (2.8 in)
1982	27.9 mm (1.1 in)
1984	220.0 mm (8.7 in)
1985	247.9 mm (9.8 in)
1986	142.0 mm (5.6 in)
1987	95.0 mm (3.7 in)
1988	190.0 mm (7.5 in)
1989	185.9 mm (7.3 in)
1990	205.0 mm (8.1 in)
1991	23.1 mm (0.9 in)
1992	143.0 mm (5.6 in)
1993	71.9 mm (2.8 in)
1994	450.1 mm (17.7 in)
1995	247.9 mm (9.8 in)
1996	164.1 mm (6.5 in)
1997	222.0 mm (8.7 in)
1998	161.0 mm (6.3 in)
1999	55.9 mm (2.2 in)
2000	201.9 mm (7.9 in)
2001	199.9 mm (7.9 in)
2002	89.9 mm (3.5 in)
2003	103.1 mm (4.1 in)
2004	99.1 mm (3.9 in)
2005	208.0 mm (8.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mayumba, 1973 to 2005. The record is 224.8 mm (8.9 in) in 1988, marked on the chart; the median year is 88.9 mm (3.5 in).

Wettest five days (Rx5day) at Mayumba by year
Year	Wettest five days (Rx5day)
1973	0.0 mm (0.00 in)
1974	n/a
1975	n/a
1976	55.1 mm (2.2 in)
1977	20.3 mm (0.8 in)
1978	0.0 mm (0.00 in)
1979	n/a
1980	6.1 mm (0.24 in)
1981	82.1 mm (3.2 in)
1982	n/a
1984	14.9 mm (0.6 in)
1985	n/a
1986	n/a
1987	130.8 mm (5.1 in)
1988	224.8 mm (8.9 in)
1989	n/a
1990	n/a
1991	n/a
1992	24.3 mm (1.0 in)
1993	143.8 mm (5.7 in)
1994	n/a
1995	n/a
1996	25.4 mm (1.0 in)
1997	108.4 mm (4.3 in)
1998	84.9 mm (3.3 in)
1999	122.0 mm (4.8 in)
2000	92.8 mm (3.7 in)
2001	117.1 mm (4.6 in)
2002	97.8 mm (3.9 in)
2003	153.6 mm (6.0 in)
2004	121.9 mm (4.8 in)
2005	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Mayumba, 1973 to 2005. The record is 6 days in 1978, marked on the chart; the median year is 3 days.

Longest dry spell (CDD) at Mayumba by year
Year	Longest dry spell (CDD)
1973	5 days
1974	2 days
1975	n/a
1976	1 day
1977	5 days
1978	6 days
1979	4 days
1980	4 days
1981	6 days
1982	2 days
1984	3 days
1985	2 days
1986	2 days
1987	1 day
1988	2 days
1989	1 day
1990	1 day
1991	1 day
1992	2 days
1993	3 days
1994	2 days
1995	3 days
1996	2 days
1997	2 days
1998	3 days
1999	3 days
2000	4 days
2001	5 days
2002	4 days
2003	4 days
2004	5 days
2005	1 day

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 Mayumba standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mayumba 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).