Impfondo Weather Records (CF000064459)

Record envelope, standing records and threshold days for Impfondo (CF000064459), Congo (Brazzaville), with 53 years of record.

Key Facts for Impfondo

Impfondo (CF000064459) is a weather station in Congo (Brazzaville) at 1.62 latitude and 18.07 longitude, 327 m (1,073 ft) above sea level.
The station reports from 1973 to 2025, 53 years of record.
1,464 records set at Impfondo still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Congo (Brazzaville), 1.62 latitude, 18.07 longitude.
Elevation: 327 m (1,073 ft).
Period of record: 1973 to 2025, 53 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

6 days at or beyond a record

The band shows the record high and record low for each calendar day at Impfondo. The lines show the 2026 daily maximum and minimum. 6 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Impfondo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	36.5 C (97.7 F)	12.5 C (54.5 F)	n/a	n/a
Feb	38.6 C (101.5 F)	14.0 C (57.2 F)	n/a	n/a
Mar	37.8 C (100.0 F)	15.0 C (59.0 F)	n/a	n/a
Apr	38.0 C (100.4 F)	18.0 C (64.4 F)	n/a	n/a
May	39.0 C (102.2 F)	17.6 C (63.7 F)	n/a	n/a
Jun	35.6 C (96.1 F)	17.9 C (64.2 F)	33.0 C (91.4 F)	22.5 C (72.5 F)
Jul	36.6 C (97.9 F)	17.4 C (63.3 F)	34.0 C (93.2 F)	21.0 C (69.8 F)
Aug	36.2 C (97.2 F)	17.0 C (62.6 F)	32.4 C (90.3 F)	21.5 C (70.7 F)
Sep	39.0 C (102.2 F)	17.0 C (62.6 F)	n/a	n/a
Oct	36.1 C (97.0 F)	17.5 C (63.5 F)	n/a	n/a
Nov	37.0 C (98.6 F)	17.5 C (63.5 F)	n/a	n/a
Dec	39.6 C (103.3 F)	12.0 C (53.6 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Impfondo still stand. 2016 holds the most, with 89.

Standing records at Impfondo by the year they were set
Year set	Standing records
1973	8
1974	4
1975	9
1976	68
1977	62
1978	29
1979	11
1980	29
1981	20
1982	5
1983	11
1984	15
1985	24
1986	25
1987	13
1988	9
1989	6
1990	19
1991	9
1992	6
1993	41
1994	23
1995	22
1996	24
1997	18
1998	50
1999	58
2000	27
2001	39
2002	5
2007	13
2008	25
2009	38
2010	45
2011	15
2012	15
2013	68
2014	44
2015	57
2016	89
2017	70
2018	52
2019	17
2020	41
2021	19
2022	29
2023	78
2024	55
2025	5

Wettest Day of Each Month

Aug: 300.0 mm (11.8 in)

The wettest day on record for each calendar month at Impfondo. The most was 300.0 mm (11.8 in) on 31 August 1977.

Record daily precipitation for each month at Impfondo
Month	Record daily precipitation (mm)	Date
Jan	45.0 mm (1.8 in)	23 January 1995
Feb	79.0 mm (3.1 in)	5 February 2019
Mar	215.9 mm (8.5 in)	12 March 2016
Apr	93.0 mm (3.7 in)	17 April 1989
May	214.9 mm (8.5 in)	14 May 1982
Jun	71.9 mm (2.8 in)	7 June 2017
Jul	110.0 mm (4.3 in)	1 July 1981
Aug	300.0 mm (11.8 in)	31 August 1977
Sep	153.9 mm (6.1 in)	9 September 2022
Oct	99.1 mm (3.9 in)	3 October 2001
Nov	119.9 mm (4.7 in)	3 November 2017
Dec	181.1 mm (7.1 in)	17 December 1996

Period of Record Coverage

1973 to 2025

50 years of record at Impfondo, 1973 to 2025. 50 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 Impfondo
Year	Days with data	Share of year	Complete
1973	34	9%	No
1974	11	3%	No
1975	14	4%	No
1976	203	55%	No
1977	247	68%	No
1978	106	29%	No
1979	66	18%	No
1980	139	38%	No
1981	75	21%	No
1982	20	5%	No
1983	30	8%	No
1984	86	23%	No
1985	86	24%	No
1986	174	48%	No
1987	104	28%	No
1988	47	13%	No
1989	37	10%	No
1990	116	32%	No
1991	44	12%	No
1992	39	11%	No
1993	180	49%	No
1994	176	48%	No
1995	153	42%	No
1996	216	59%	No
1997	134	37%	No
1998	144	39%	No
1999	130	36%	No
2000	63	17%	No
2001	150	41%	No
2002	62	17%	No
2003	20	5%	No
2007	74	20%	No
2008	142	39%	No
2009	206	56%	No
2010	43	12%	No
2011	24	7%	No
2012	45	12%	No
2013	288	79%	No
2014	292	80%	No
2015	302	83%	No
2016	300	82%	No
2017	322	88%	No
2018	239	65%	No
2019	3	1%	No
2020	6	2%	No
2021	6	2%	No
2022	131	36%	No
2023	215	59%	No
2024	34	9%	No
2025	38	10%	No

Latest Records

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

Extremes by Year

1973 to 2025

Yearly extremes at Impfondo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.6 C (103.3 F)	2007	36.1 C (97.0 F)	50
Coldest night (TNn)	12.0 C (53.6 F)	1975	16.9 C (62.3 F)	50
Wettest day (Rx1day)	300.0 mm (11.8 in)	1977	73.9 mm (2.9 in)	49
Wettest five days (Rx5day)	373.1 mm (14.7 in)	1977	77.4 mm (3.0 in)	40
Longest dry spell (CDD)	11 days	1977	3 days	49

Hottest day (TXx)

The hottest day of the year at Impfondo, 1973 to 2025. The record is 39.6 C (103.3 F) in 2007, marked on the chart; the median year is 36.1 C (97.0 F).

Hottest day (TXx) at Impfondo by year
Year	Hottest day (TXx)
1973	34.0 C (93.2 F)
1974	35.0 C (95.0 F)
1975	31.0 C (87.8 F)
1976	39.0 C (102.2 F)
1977	38.0 C (100.4 F)
1978	39.0 C (102.2 F)
1979	34.0 C (93.2 F)
1980	36.0 C (96.8 F)
1981	37.0 C (98.6 F)
1982	35.6 C (96.1 F)
1983	36.0 C (96.8 F)
1984	34.6 C (94.3 F)
1985	35.7 C (96.3 F)
1986	35.2 C (95.4 F)
1987	37.0 C (98.6 F)
1988	36.4 C (97.5 F)
1989	35.0 C (95.0 F)
1990	35.2 C (95.4 F)
1991	34.8 C (94.6 F)
1992	33.8 C (92.8 F)
1993	33.8 C (92.8 F)
1994	35.8 C (96.4 F)
1995	34.7 C (94.5 F)
1996	35.4 C (95.7 F)
1997	37.2 C (99.0 F)
1998	37.7 C (99.9 F)
1999	37.0 C (98.6 F)
2000	36.0 C (96.8 F)
2001	36.0 C (96.8 F)
2002	36.6 C (97.9 F)
2003	35.0 C (95.0 F)
2007	39.6 C (103.3 F)
2008	36.4 C (97.5 F)
2009	38.0 C (100.4 F)
2010	36.5 C (97.7 F)
2011	34.7 C (94.5 F)
2012	36.8 C (98.2 F)
2013	38.6 C (101.5 F)
2014	36.4 C (97.5 F)
2015	36.7 C (98.1 F)
2016	37.8 C (100.0 F)
2017	37.0 C (98.6 F)
2018	37.5 C (99.5 F)
2019	33.5 C (92.3 F)
2020	36.2 C (97.2 F)
2021	35.1 C (95.2 F)
2022	36.5 C (97.7 F)
2023	37.0 C (98.6 F)
2024	38.4 C (101.1 F)
2025	34.0 C (93.2 F)

Coldest night (TNn)

The coldest night of the year at Impfondo, 1973 to 2025. The record is 12.0 C (53.6 F) in 1975, marked on the chart; the median year is 16.9 C (62.3 F).

Coldest night (TNn) at Impfondo by year
Year	Coldest night (TNn)
1973	18.0 C (64.4 F)
1974	18.0 C (64.4 F)
1975	12.0 C (53.6 F)
1976	14.0 C (57.2 F)
1977	14.0 C (57.2 F)
1978	13.0 C (55.4 F)
1979	19.0 C (66.2 F)
1980	14.0 C (57.2 F)
1981	17.0 C (62.6 F)
1982	16.7 C (62.1 F)
1983	12.6 C (54.7 F)
1984	17.1 C (62.8 F)
1985	18.8 C (65.8 F)
1986	17.0 C (62.6 F)
1987	18.8 C (65.8 F)
1988	19.0 C (66.2 F)
1989	19.0 C (66.2 F)
1990	18.0 C (64.4 F)
1991	15.8 C (60.4 F)
1992	17.8 C (64.0 F)
1993	15.5 C (59.9 F)
1994	14.3 C (57.7 F)
1995	18.1 C (64.6 F)
1996	17.9 C (64.2 F)
1997	16.0 C (60.8 F)
1998	17.6 C (63.7 F)
1999	15.9 C (60.6 F)
2000	14.0 C (57.2 F)
2001	15.8 C (60.4 F)
2002	13.8 C (56.8 F)
2003	20.0 C (68.0 F)
2007	18.6 C (65.5 F)
2008	15.6 C (60.1 F)
2009	18.5 C (65.3 F)
2010	17.5 C (63.5 F)
2011	14.0 C (57.2 F)
2012	15.5 C (59.9 F)
2013	16.5 C (61.7 F)
2014	19.2 C (66.6 F)
2015	12.5 C (54.5 F)
2016	15.0 C (59.0 F)
2017	19.6 C (67.3 F)
2018	13.7 C (56.7 F)
2019	19.2 C (66.6 F)
2020	16.1 C (61.0 F)
2021	19.5 C (67.1 F)
2022	15.8 C (60.4 F)
2023	19.0 C (66.2 F)
2024	16.5 C (61.7 F)
2025	21.0 C (69.8 F)

Wettest day (Rx1day)

The wettest day of the year at Impfondo, 1973 to 2025. The record is 300.0 mm (11.8 in) in 1977, marked on the chart; the median year is 73.9 mm (2.9 in).

Wettest day (Rx1day) at Impfondo by year
Year	Wettest day (Rx1day)
1973	29.0 mm (1.1 in)
1974	0.0 mm (0.00 in)
1975	n/a
1976	49.0 mm (1.9 in)
1977	300.0 mm (11.8 in)
1978	89.9 mm (3.5 in)
1979	51.1 mm (2.0 in)
1980	53.1 mm (2.1 in)
1981	110.0 mm (4.3 in)
1982	214.9 mm (8.5 in)
1983	56.9 mm (2.2 in)
1984	35.1 mm (1.4 in)
1985	53.1 mm (2.1 in)
1986	95.0 mm (3.7 in)
1987	38.1 mm (1.5 in)
1988	99.1 mm (3.9 in)
1989	93.0 mm (3.7 in)
1990	68.1 mm (2.7 in)
1991	66.0 mm (2.6 in)
1992	58.9 mm (2.3 in)
1993	89.9 mm (3.5 in)
1994	81.0 mm (3.2 in)
1995	91.9 mm (3.6 in)
1996	181.1 mm (7.1 in)
1997	69.1 mm (2.7 in)
1998	43.9 mm (1.7 in)
1999	40.9 mm (1.6 in)
2000	45.0 mm (1.8 in)
2001	99.1 mm (3.9 in)
2002	97.0 mm (3.8 in)
2003	23.1 mm (0.9 in)
2007	109.0 mm (4.3 in)
2008	71.1 mm (2.8 in)
2009	51.1 mm (2.0 in)
2010	64.0 mm (2.5 in)
2011	97.0 mm (3.8 in)
2012	89.9 mm (3.5 in)
2013	89.9 mm (3.5 in)
2014	72.9 mm (2.9 in)
2015	89.9 mm (3.5 in)
2016	215.9 mm (8.5 in)
2017	119.9 mm (4.7 in)
2018	94.0 mm (3.7 in)
2019	89.9 mm (3.5 in)
2020	64.0 mm (2.5 in)
2021	75.9 mm (3.0 in)
2022	153.9 mm (6.1 in)
2023	51.1 mm (2.0 in)
2024	73.9 mm (2.9 in)
2025	39.9 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Impfondo, 1973 to 2025. The record is 373.1 mm (14.7 in) in 1977, marked on the chart; the median year is 77.4 mm (3.0 in).

Wettest five days (Rx5day) at Impfondo by year
Year	Wettest five days (Rx5day)
1973	n/a
1974	n/a
1975	n/a
1976	84.1 mm (3.3 in)
1977	373.1 mm (14.7 in)
1978	65.1 mm (2.6 in)
1979	38.9 mm (1.5 in)
1980	59.9 mm (2.4 in)
1981	79.8 mm (3.1 in)
1982	n/a
1983	n/a
1984	48.0 mm (1.9 in)
1985	49.1 mm (1.9 in)
1986	66.3 mm (2.6 in)
1987	87.1 mm (3.4 in)
1988	157.0 mm (6.2 in)
1989	40.2 mm (1.6 in)
1990	16.4 mm (0.6 in)
1991	69.6 mm (2.7 in)
1992	67.8 mm (2.7 in)
1993	37.8 mm (1.5 in)
1994	58.9 mm (2.3 in)
1995	105.8 mm (4.2 in)
1996	88.1 mm (3.5 in)
1997	42.9 mm (1.7 in)
1998	43.1 mm (1.7 in)
1999	72.9 mm (2.9 in)
2000	n/a
2001	106.2 mm (4.2 in)
2002	n/a
2003	0.0 mm (0.00 in)
2007	n/a
2008	n/a
2009	74.9 mm (2.9 in)
2010	89.2 mm (3.5 in)
2011	163.0 mm (6.4 in)
2012	128.0 mm (5.0 in)
2013	133.1 mm (5.2 in)
2014	85.4 mm (3.4 in)
2015	102.4 mm (4.0 in)
2016	266.0 mm (10.5 in)
2017	193.2 mm (7.6 in)
2018	99.4 mm (3.9 in)
2019	92.9 mm (3.7 in)
2020	49.8 mm (2.0 in)
2021	88.3 mm (3.5 in)
2022	147.1 mm (5.8 in)
2023	56.9 mm (2.2 in)
2024	42.9 mm (1.7 in)
2025	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Impfondo, 1973 to 2025. The record is 11 days in 1977, marked on the chart; the median year is 3 days.

Longest dry spell (CDD) at Impfondo by year
Year	Longest dry spell (CDD)
1973	2 days
1974	2 days
1975	n/a
1976	7 days
1977	11 days
1978	7 days
1979	7 days
1980	6 days
1981	4 days
1982	1 day
1983	1 day
1984	2 days
1985	2 days
1986	4 days
1987	3 days
1988	1 day
1989	2 days
1990	1 day
1991	3 days
1992	2 days
1993	2 days
1994	3 days
1995	2 days
1996	3 days
1997	2 days
1998	2 days
1999	3 days
2000	2 days
2001	3 days
2002	3 days
2003	5 days
2007	1 day
2008	3 days
2009	1 day
2010	5 days
2011	3 days
2012	4 days
2013	3 days
2014	5 days
2015	5 days
2016	4 days
2017	5 days
2018	5 days
2019	3 days
2020	4 days
2021	3 days
2022	3 days
2023	3 days
2024	4 days
2025	2 days

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 Impfondo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Impfondo 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 2026-10-13 (13 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).