Biak/Frans Kaisiepo Weather Records (ID000097560)

Record envelope, standing records and threshold days for Biak/Frans Kaisiepo (ID000097560), Indonesia, with 69 years of record.

Key Facts for Biak/Frans Kaisiepo

Biak/Frans Kaisiepo (ID000097560) is a weather station in Indonesia at -1.18 latitude and 136.12 longitude, 11 m (36 ft) above sea level.
The station reports from 1957 to 2025, 69 years of record.
1,464 records set at Biak/Frans Kaisiepo still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
Biak/Frans Kaisiepo set a daily record low maximum temperature of 27.3 C (81.1 F) on 21 August 2025.

About the Station

Location: Indonesia, -1.18 latitude, 136.12 longitude.
Elevation: 11 m (36 ft).
Period of record: 1957 to 2025, 69 years.
Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

9 days at or beyond a record

The band shows the record high and record low for each calendar day at Biak/Frans Kaisiepo. The lines show the 2026 daily maximum and minimum. 9 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Biak/Frans Kaisiepo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	36.6 C (97.9 F)	20.6 C (69.1 F)	31.6 C (88.9 F)	23.1 C (73.6 F)
Feb	36.0 C (96.8 F)	21.1 C (70.0 F)	32.0 C (89.6 F)	23.0 C (73.4 F)
Mar	33.3 C (91.9 F)	20.2 C (68.4 F)	32.4 C (90.3 F)	23.3 C (73.9 F)
Apr	33.2 C (91.8 F)	20.2 C (68.4 F)	31.5 C (88.7 F)	23.5 C (74.3 F)
May	33.0 C (91.4 F)	20.0 C (68.0 F)	31.5 C (88.7 F)	23.0 C (73.4 F)
Jun	33.0 C (91.4 F)	20.0 C (68.0 F)	31.4 C (88.5 F)	23.0 C (73.4 F)
Jul	33.0 C (91.4 F)	19.0 C (66.2 F)	32.5 C (90.5 F)	20.5 C (68.9 F)
Aug	34.0 C (93.2 F)	20.0 C (68.0 F)	31.5 C (88.7 F)	22.8 C (73.0 F)
Sep	34.4 C (93.9 F)	20.0 C (68.0 F)	n/a	n/a
Oct	34.2 C (93.6 F)	21.6 C (70.9 F)	n/a	n/a
Nov	34.0 C (93.2 F)	20.1 C (68.2 F)	n/a	n/a
Dec	33.4 C (92.1 F)	20.0 C (68.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Biak/Frans Kaisiepo still stand. 1958 holds the most, with 65.

Standing records at Biak/Frans Kaisiepo by the year they were set
Year set	Standing records
1957	55
1958	65
1979	60
1980	52
1981	55
1982	3
1983	5
1984	30
1985	24
1986	33
1987	34
1988	37
1989	20
1990	18
1991	14
1992	5
1993	9
1995	15
1996	35
1997	31
1998	52
1999	45
2000	23
2001	11
2002	2
2003	17
2004	5
2005	26
2006	31
2007	35
2008	40
2009	35
2010	49
2011	40
2012	41
2013	28
2014	26
2015	57
2016	58
2017	22
2018	35
2019	37
2020	29
2021	30
2022	29
2023	23
2024	24
2025	14

Wettest Day of Each Month

Mar: 207.0 mm (8.1 in)

The wettest day on record for each calendar month at Biak/Frans Kaisiepo. The most was 207.0 mm (8.1 in) on 25 March 1984.

Record daily precipitation for each month at Biak/Frans Kaisiepo
Month	Record daily precipitation (mm)	Date
Jan	99.1 mm (3.9 in)	3 January 1993
Feb	129.0 mm (5.1 in)	18 February 1998
Mar	207.0 mm (8.1 in)	25 March 1984
Apr	99.1 mm (3.9 in)	28 April 1997
May	86.1 mm (3.4 in)	24 May 1996
Jun	99.1 mm (3.9 in)	28 June 1997
Jul	99.1 mm (3.9 in)	10 July 1997
Aug	198.1 mm (7.8 in)	30 August 1997
Sep	114.0 mm (4.5 in)	30 September 1992
Oct	194.1 mm (7.6 in)	23 October 1982
Nov	140.0 mm (5.5 in)	20 November 1982
Dec	150.1 mm (5.9 in)	4 December 1962

Period of Record Coverage

1957 to 2025

47 years of record at Biak/Frans Kaisiepo, 1957 to 2025. 41 years have data for under 90 percent of days and are left out of rankings: 1957, 1979, 1980, 1981, 1984, 1985, 1986, 1987 and others.

Days with data per year at Biak/Frans Kaisiepo
Year	Days with data	Share of year	Complete
1957	183	50%	No
1958	352	96%	Yes
1979	202	55%	No
1980	249	68%	No
1981	231	63%	No
1984	165	45%	No
1985	135	37%	No
1986	243	67%	No
1987	213	58%	No
1988	245	67%	No
1989	156	43%	No
1990	139	38%	No
1991	132	36%	No
1992	78	21%	No
1993	78	21%	No
1994	1	0%	No
1995	120	33%	No
1996	290	79%	No
1997	283	78%	No
1998	312	85%	No
1999	276	76%	No
2000	171	47%	No
2001	74	20%	No
2002	11	3%	No
2003	104	28%	No
2004	40	11%	No
2005	188	52%	No
2006	321	88%	No
2007	339	93%	Yes
2008	306	84%	No
2009	277	76%	No
2010	265	73%	No
2011	236	65%	No
2012	301	82%	No
2013	106	29%	No
2014	169	46%	No
2015	332	91%	Yes
2016	339	93%	Yes
2017	275	75%	No
2018	270	74%	No
2019	295	81%	No
2020	340	93%	Yes
2021	346	95%	Yes
2022	326	89%	No
2023	237	65%	No
2024	203	55%	No
2025	147	40%	No

Latest Records

Latest records at Biak/Frans Kaisiepo
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 2025	Biak/Frans Kaisiepo, ID	daily low max	27.3 C (81.1 F)	0.5 C (0.9 F)	67 years	30 of 100 (Routine)
2 August 2025	Biak/Frans Kaisiepo, ID	daily high min	25.4 C (77.7 F)	0.3 C (0.5 F)	4 years	10 of 100 (Routine)
25 July 2025	Biak/Frans Kaisiepo, ID	daily high max	32.5 C (90.5 F)	0.7 C (1.3 F)	27 years	20 of 100 (Routine)
24 July 2025	Biak/Frans Kaisiepo, ID	daily high min	25.0 C (77.0 F)	0.4 C (0.7 F)	16 years	14 of 100 (Routine)
20 July 2025	Biak/Frans Kaisiepo, ID	daily low min	20.5 C (68.9 F)	0.5 C (0.9 F)	44 years	24 of 100 (Routine)
3 July 2025	Biak/Frans Kaisiepo, ID	daily low min	21.9 C (71.4 F)	0.1 C (0.2 F)	32 years	16 of 100 (Routine)
31 May 2025	Biak/Frans Kaisiepo, ID	daily low max	29.3 C (84.7 F)	0.1 C (0.2 F)	26 years	14 of 100 (Routine)
8 May 2025	Biak/Frans Kaisiepo, ID	daily low min	23.0 C (73.4 F)	0.6 C (1.1 F)	40 years	24 of 100 (Routine)
24 April 2025	Biak/Frans Kaisiepo, ID	daily low max	28.2 C (82.8 F)	0.7 C (1.3 F)	36 years	24 of 100 (Routine)
28 March 2025	Biak/Frans Kaisiepo, ID	daily high max (Tie)	31.6 C (88.9 F)	tie	40 years	4 of 100 (Routine)
9 March 2025	Biak/Frans Kaisiepo, ID	daily high max	32.4 C (90.3 F)	0.7 C (1.3 F)	8 years	14 of 100 (Routine)
8 March 2025	Biak/Frans Kaisiepo, ID	daily high max	32.1 C (89.8 F)	0.1 C (0.2 F)	38 years	17 of 100 (Routine)
4 March 2025	Biak/Frans Kaisiepo, ID	daily high max	32.1 C (89.8 F)	0.7 C (1.3 F)	38 years	23 of 100 (Routine)
12 February 2025	Biak/Frans Kaisiepo, ID	daily high max	32.0 C (89.6 F)	0.4 C (0.7 F)	26 years	16 of 100 (Routine)
10 February 2025	Biak/Frans Kaisiepo, ID	daily high min	25.4 C (77.7 F)	0.4 C (0.7 F)	9 years	12 of 100 (Routine)
17 November 2024	Biak/Frans Kaisiepo, ID	daily high min	26.5 C (79.7 F)	0.4 C (0.7 F)	67 years	30 of 100 (Routine)
1 November 2024	Biak/Frans Kaisiepo, ID	daily high min (Tie)	25.1 C (77.2 F)	tie	3 years	1 of 100 (Routine)
29 October 2024	Biak/Frans Kaisiepo, ID	daily high min	26.7 C (80.1 F)	1.1 C (2.0 F)	4 years	18 of 100 (Routine)
20 October 2024	Biak/Frans Kaisiepo, ID	daily high min	25.7 C (78.3 F)	0.5 C (0.9 F)	11 years	14 of 100 (Routine)
15 September 2024	Biak/Frans Kaisiepo, ID	daily high min	25.5 C (77.9 F)	0.1 C (0.2 F)	28 years	15 of 100 (Routine)

Extremes by Year

1957 to 2025

Yearly extremes at Biak/Frans Kaisiepo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.6 C (97.9 F)	1991	32.8 C (91.0 F)	47
Coldest night (TNn)	19.0 C (66.2 F)	1980	21.3 C (70.3 F)	49
Wettest day (Rx1day)	207.0 mm (8.1 in)	1984	42.4 mm (1.7 in)	59
Wettest five days (Rx5day)	376.7 mm (14.8 in)	1981	103.1 mm (4.1 in)	17
Longest dry spell (CDD)	25 days	1997	2 days	57

Hottest day (TXx)

The hottest day of the year at Biak/Frans Kaisiepo, 1957 to 2025. The record is 36.6 C (97.9 F) in 1991, marked on the chart; the median year is 32.8 C (91.0 F).

Hottest day (TXx) at Biak/Frans Kaisiepo by year
Year	Hottest day (TXx)
1957	32.8 C (91.0 F)
1958	32.8 C (91.0 F)
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1965	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	34.0 C (93.2 F)
1980	34.0 C (93.2 F)
1981	33.0 C (91.4 F)
1982	n/a
1983	n/a
1984	32.3 C (90.1 F)
1985	36.4 C (97.5 F)
1986	33.4 C (92.1 F)
1987	32.2 C (90.0 F)
1988	32.5 C (90.5 F)
1989	32.5 C (90.5 F)
1990	32.7 C (90.9 F)
1991	36.6 C (97.9 F)
1992	34.4 C (93.9 F)
1993	32.6 C (90.7 F)
1994	30.4 C (86.7 F)
1995	33.0 C (91.4 F)
1996	34.2 C (93.6 F)
1997	33.2 C (91.8 F)
1998	33.3 C (91.9 F)
1999	32.4 C (90.3 F)
2000	36.0 C (96.8 F)
2001	32.0 C (89.6 F)
2002	31.6 C (88.9 F)
2003	32.8 C (91.0 F)
2004	32.0 C (89.6 F)
2005	32.6 C (90.7 F)
2006	33.2 C (91.8 F)
2007	34.0 C (93.2 F)
2008	33.2 C (91.8 F)
2009	32.4 C (90.3 F)
2010	32.5 C (90.5 F)
2011	32.5 C (90.5 F)
2012	33.6 C (92.5 F)
2013	32.0 C (89.6 F)
2014	32.5 C (90.5 F)
2015	33.0 C (91.4 F)
2016	33.2 C (91.8 F)
2017	32.7 C (90.9 F)
2018	33.3 C (91.9 F)
2019	35.0 C (95.0 F)
2020	32.7 C (90.9 F)
2021	32.6 C (90.7 F)
2022	33.3 C (91.9 F)
2023	33.5 C (92.3 F)
2024	33.1 C (91.6 F)
2025	32.5 C (90.5 F)

Coldest night (TNn)

The coldest night of the year at Biak/Frans Kaisiepo, 1957 to 2025. The record is 19.0 C (66.2 F) in 1980, marked on the chart; the median year is 21.3 C (70.3 F).

Coldest night (TNn) at Biak/Frans Kaisiepo by year
Year	Coldest night (TNn)
1957	21.1 C (70.0 F)
1958	21.1 C (70.0 F)
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1965	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	20.0 C (68.0 F)
1980	19.0 C (66.2 F)
1981	20.0 C (68.0 F)
1982	21.0 C (69.8 F)
1983	20.7 C (69.3 F)
1984	20.1 C (68.2 F)
1985	21.0 C (69.8 F)
1986	22.0 C (71.6 F)
1987	21.0 C (69.8 F)
1988	21.5 C (70.7 F)
1989	20.5 C (68.9 F)
1990	22.0 C (71.6 F)
1991	22.1 C (71.8 F)
1992	21.3 C (70.3 F)
1993	20.4 C (68.7 F)
1994	24.3 C (75.7 F)
1995	20.0 C (68.0 F)
1996	21.0 C (69.8 F)
1997	21.0 C (69.8 F)
1998	21.0 C (69.8 F)
1999	20.0 C (68.0 F)
2000	21.0 C (69.8 F)
2001	21.5 C (70.7 F)
2002	22.0 C (71.6 F)
2003	21.0 C (69.8 F)
2004	22.0 C (71.6 F)
2005	21.3 C (70.3 F)
2006	20.2 C (68.4 F)
2007	21.5 C (70.7 F)
2008	20.6 C (69.1 F)
2009	22.0 C (71.6 F)
2010	22.0 C (71.6 F)
2011	22.5 C (72.5 F)
2012	20.8 C (69.4 F)
2013	22.4 C (72.3 F)
2014	22.4 C (72.3 F)
2015	22.6 C (72.7 F)
2016	22.0 C (71.6 F)
2017	21.8 C (71.2 F)
2018	22.6 C (72.7 F)
2019	22.0 C (71.6 F)
2020	22.4 C (72.3 F)
2021	22.1 C (71.8 F)
2022	21.7 C (71.1 F)
2023	21.7 C (71.1 F)
2024	23.0 C (73.4 F)
2025	20.5 C (68.9 F)

Wettest day (Rx1day)

The wettest day of the year at Biak/Frans Kaisiepo, 1957 to 2025. The record is 207.0 mm (8.1 in) in 1984, marked on the chart; the median year is 42.4 mm (1.7 in).

Wettest day (Rx1day) at Biak/Frans Kaisiepo by year
Year	Wettest day (Rx1day)
1957	80.0 mm (3.1 in)
1958	89.9 mm (3.5 in)
1960	52.1 mm (2.1 in)
1961	48.0 mm (1.9 in)
1962	150.1 mm (5.9 in)
1963	54.1 mm (2.1 in)
1965	70.1 mm (2.8 in)
1973	8.9 mm (0.35 in)
1974	8.9 mm (0.35 in)
1975	2.0 mm (0.08 in)
1976	0.0 mm (0.00 in)
1977	9.9 mm (0.39 in)
1978	8.9 mm (0.35 in)
1979	160.0 mm (6.3 in)
1980	80.0 mm (3.1 in)
1981	119.9 mm (4.7 in)
1982	194.1 mm (7.6 in)
1983	97.0 mm (3.8 in)
1984	207.0 mm (8.1 in)
1985	17.0 mm (0.7 in)
1986	35.3 mm (1.4 in)
1987	42.4 mm (1.7 in)
1988	62.0 mm (2.4 in)
1989	31.0 mm (1.2 in)
1990	27.9 mm (1.1 in)
1991	49.0 mm (1.9 in)
1992	114.0 mm (4.5 in)
1993	99.1 mm (3.9 in)
1994	6.1 mm (0.24 in)
1995	94.0 mm (3.7 in)
1996	118.1 mm (4.6 in)
1997	198.1 mm (7.8 in)
1998	129.0 mm (5.1 in)
1999	18.0 mm (0.7 in)
2000	0.0 mm (0.00 in)
2001	n/a
2002	0.0 mm (0.00 in)
2003	18.0 mm (0.7 in)
2004	18.0 mm (0.7 in)
2005	39.1 mm (1.5 in)
2006	16.0 mm (0.6 in)
2007	43.2 mm (1.7 in)
2008	66.0 mm (2.6 in)
2009	35.8 mm (1.4 in)
2010	24.9 mm (1.0 in)
2011	68.1 mm (2.7 in)
2012	60.2 mm (2.4 in)
2013	51.8 mm (2.0 in)
2014	72.9 mm (2.9 in)
2015	33.0 mm (1.3 in)
2016	68.1 mm (2.7 in)
2017	86.1 mm (3.4 in)
2018	17.5 mm (0.7 in)
2019	22.1 mm (0.9 in)
2020	24.9 mm (1.0 in)
2021	9.9 mm (0.39 in)
2022	25.9 mm (1.0 in)
2023	29.0 mm (1.1 in)
2024	25.9 mm (1.0 in)
2025	33.0 mm (1.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Biak/Frans Kaisiepo, 1957 to 2025. The record is 376.7 mm (14.8 in) in 1981, marked on the chart; the median year is 103.1 mm (4.1 in).

Wettest five days (Rx5day) at Biak/Frans Kaisiepo by year
Year	Wettest five days (Rx5day)
1957	119.2 mm (4.7 in)
1958	146.3 mm (5.8 in)
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1965	117.1 mm (4.6 in)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	9.9 mm (0.39 in)
1978	8.9 mm (0.35 in)
1979	191.3 mm (7.5 in)
1980	103.1 mm (4.1 in)
1981	376.7 mm (14.8 in)
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	65.1 mm (2.6 in)
1992	49.0 mm (1.9 in)
1993	0.0 mm (0.00 in)
1994	n/a
1995	36.1 mm (1.4 in)
1996	153.9 mm (6.1 in)
1997	209.1 mm (8.2 in)
1998	238.2 mm (9.4 in)
1999	0.8 mm (0.03 in)
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	4.1 mm (0.16 in)
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Biak/Frans Kaisiepo, 1957 to 2025. The record is 25 days in 1997, marked on the chart; the median year is 2 days.

Longest dry spell (CDD) at Biak/Frans Kaisiepo by year
Year	Longest dry spell (CDD)
1957	5 days
1958	6 days
1960	1 day
1961	1 day
1962	2 days
1963	1 day
1965	3 days
1973	1 day
1974	3 days
1975	3 days
1976	3 days
1977	15 days
1978	11 days
1979	6 days
1980	7 days
1981	5 days
1982	3 days
1983	3 days
1984	3 days
1985	2 days
1986	2 days
1987	3 days
1988	3 days
1989	1 day
1990	2 days
1991	4 days
1992	7 days
1993	6 days
1994	3 days
1995	4 days
1996	8 days
1997	25 days
1998	11 days
1999	6 days
2000	2 days
2001	n/a
2002	1 day
2003	2 days
2004	2 days
2005	6 days
2006	n/a
2007	1 day
2008	1 day
2009	1 day
2010	1 day
2011	1 day
2012	1 day
2013	1 day
2014	1 day
2015	1 day
2016	1 day
2017	1 day
2018	1 day
2019	n/a
2020	1 day
2021	1 day
2022	1 day
2023	1 day
2024	1 day
2025	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 Biak/Frans Kaisiepo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Biak/Frans Kaisiepo 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 2026-10-14 (14 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).