Surabaya/Gedangan Weather Records (IDM00096937)

Record envelope, standing records and threshold days for Surabaya/Gedangan (IDM00096937), Indonesia, with 46 years of record.

Key Facts for Surabaya/Gedangan

Surabaya/Gedangan (IDM00096937) is a weather station in Indonesia at -7.22 latitude and 113.72 longitude, 3 m (10 ft) above sea level.
The station reports from 1980 to 2025, 46 years of record.
1,464 records set at Surabaya/Gedangan still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Indonesia, -7.22 latitude, 113.72 longitude.
Elevation: 3 m (10 ft).
Period of record: 1980 to 2025, 46 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

1 days at or beyond a record

The band shows the record high and record low for each calendar day at Surabaya/Gedangan. The lines show the 2026 daily maximum and minimum. 1 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Surabaya/Gedangan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	39.8 C (103.6 F)	19.0 C (66.2 F)	34.7 C (94.5 F)	24.3 C (75.7 F)
Feb	37.9 C (100.2 F)	19.8 C (67.6 F)	35.2 C (95.4 F)	24.8 C (76.6 F)
Mar	36.6 C (97.9 F)	21.0 C (69.8 F)	34.7 C (94.5 F)	25.4 C (77.7 F)
Apr	36.4 C (97.5 F)	21.4 C (70.5 F)	n/a	n/a
May	36.4 C (97.5 F)	19.7 C (67.5 F)	n/a	n/a
Jun	35.7 C (96.3 F)	19.0 C (66.2 F)	n/a	n/a
Jul	35.4 C (95.7 F)	18.2 C (64.8 F)	n/a	n/a
Aug	36.0 C (96.8 F)	19.3 C (66.7 F)	n/a	n/a
Sep	36.4 C (97.5 F)	20.4 C (68.7 F)	n/a	n/a
Oct	37.8 C (100.0 F)	22.3 C (72.1 F)	n/a	n/a
Nov	39.9 C (103.8 F)	20.5 C (68.9 F)	n/a	n/a
Dec	37.1 C (98.8 F)	22.0 C (71.6 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Surabaya/Gedangan still stand. 2003 holds the most, with 133.

Standing records at Surabaya/Gedangan by the year they were set
Year set	Standing records
1980	1
1981	24
1984	4
1986	1
1989	1
1992	5
1993	23
1994	78
1995	51
1996	37
1997	55
1998	65
1999	12
2000	7
2001	5
2002	44
2003	133
2004	93
2005	40
2006	52
2007	42
2008	28
2009	49
2010	106
2011	29
2012	42
2013	25
2014	29
2015	28
2016	75
2017	16
2018	24
2019	45
2020	29
2021	39
2022	35
2023	26
2024	62
2025	4

Wettest Day of Each Month

Feb: 103.9 mm (4.1 in)

The wettest day on record for each calendar month at Surabaya/Gedangan. The most was 103.9 mm (4.1 in) on 9 February 2003.

Record daily precipitation for each month at Surabaya/Gedangan
Month	Record daily precipitation (mm)	Date
Jan	89.9 mm (3.5 in)	23 January 1981
Feb	103.9 mm (4.1 in)	9 February 2003
Mar	59.9 mm (2.4 in)	16 March 1981
Apr	59.9 mm (2.4 in)	9 April 1981
May	27.9 mm (1.1 in)	16 May 1981
Jun	29.0 mm (1.1 in)	25 June 1981
Jul	6.1 mm (0.24 in)	18 July 1998
Aug	6.1 mm (0.24 in)	3 August 1998
Sep	9.9 mm (0.39 in)	25 September 1981
Oct	72.1 mm (2.8 in)	19 October 2005
Nov	23.1 mm (0.9 in)	8 November 1998
Dec	59.9 mm (2.4 in)	1 December 1981

Period of Record Coverage

1980 to 2025

42 years of record at Surabaya/Gedangan, 1980 to 2025. 37 years have data for under 90 percent of days and are left out of rankings: 1980, 1981, 1984, 1985, 1986, 1987, 1988, 1989 and others.

Days with data per year at Surabaya/Gedangan
Year	Days with data	Share of year	Complete
1980	7	2%	No
1981	106	29%	No
1984	19	5%	No
1985	2	1%	No
1986	5	1%	No
1987	1	0%	No
1988	2	1%	No
1989	1	0%	No
1992	27	7%	No
1993	95	26%	No
1994	250	68%	No
1995	226	62%	No
1996	225	61%	No
1997	173	47%	No
1998	169	46%	No
1999	68	19%	No
2000	36	10%	No
2001	8	2%	No
2002	138	38%	No
2003	302	83%	No
2004	266	73%	No
2005	235	64%	No
2006	255	70%	No
2007	291	80%	No
2008	341	93%	Yes
2009	343	94%	Yes
2010	343	94%	Yes
2011	355	97%	Yes
2012	349	95%	Yes
2013	114	31%	No
2014	64	18%	No
2015	180	49%	No
2016	166	45%	No
2017	183	50%	No
2018	181	50%	No
2019	189	52%	No
2020	172	47%	No
2021	170	47%	No
2022	192	53%	No
2023	200	55%	No
2024	187	51%	No
2025	26	7%	No

Latest Records

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

Extremes by Year

1980 to 2025

Yearly extremes at Surabaya/Gedangan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.9 C (103.8 F)	1993	36.5 C (97.6 F)	42
Coldest night (TNn)	18.2 C (64.8 F)	1994	21.9 C (71.4 F)	40
Wettest day (Rx1day)	103.9 mm (4.1 in)	2003	23.5 mm (0.9 in)	28
Wettest five days (Rx5day)	59.9 mm (2.4 in)	1981	11.9 mm (0.5 in)	7
Longest dry spell (CDD)	13 days	1996	3 days	16

Hottest day (TXx)

The hottest day of the year at Surabaya/Gedangan, 1980 to 2025. The record is 39.9 C (103.8 F) in 1993, marked on the chart; the median year is 36.5 C (97.6 F).

Hottest day (TXx) at Surabaya/Gedangan by year
Year	Hottest day (TXx)
1980	35.0 C (95.0 F)
1981	36.0 C (96.8 F)
1984	33.8 C (92.8 F)
1985	32.2 C (90.0 F)
1986	33.0 C (91.4 F)
1987	33.3 C (91.9 F)
1988	33.4 C (92.1 F)
1989	32.7 C (90.9 F)
1992	35.5 C (95.9 F)
1993	39.9 C (103.8 F)
1994	36.3 C (97.3 F)
1995	35.7 C (96.3 F)
1996	35.9 C (96.6 F)
1997	36.4 C (97.5 F)
1998	36.5 C (97.7 F)
1999	35.2 C (95.4 F)
2000	34.1 C (93.4 F)
2001	35.1 C (95.2 F)
2002	37.6 C (99.7 F)
2003	38.0 C (100.4 F)
2004	37.4 C (99.3 F)
2005	37.8 C (100.0 F)
2006	37.4 C (99.3 F)
2007	36.8 C (98.2 F)
2008	37.0 C (98.6 F)
2009	37.9 C (100.2 F)
2010	36.4 C (97.5 F)
2011	36.0 C (96.8 F)
2012	39.8 C (103.6 F)
2013	35.5 C (95.9 F)
2014	37.0 C (98.6 F)
2015	37.3 C (99.1 F)
2016	37.0 C (98.6 F)
2017	36.5 C (97.7 F)
2018	37.2 C (99.0 F)
2019	37.4 C (99.3 F)
2020	36.6 C (97.9 F)
2021	37.5 C (99.5 F)
2022	36.4 C (97.5 F)
2023	37.2 C (99.0 F)
2024	37.4 C (99.3 F)
2025	35.2 C (95.4 F)

Coldest night (TNn)

The coldest night of the year at Surabaya/Gedangan, 1980 to 2025. The record is 18.2 C (64.8 F) in 1994, marked on the chart; the median year is 21.9 C (71.4 F).

Coldest night (TNn) at Surabaya/Gedangan by year
Year	Coldest night (TNn)
1980	24.0 C (75.2 F)
1981	23.0 C (73.4 F)
1984	22.5 C (72.5 F)
1985	22.9 C (73.2 F)
1986	24.2 C (75.6 F)
1987	n/a
1988	22.6 C (72.7 F)
1989	n/a
1992	22.0 C (71.6 F)
1993	20.6 C (69.1 F)
1994	18.2 C (64.8 F)
1995	20.5 C (68.9 F)
1996	20.4 C (68.7 F)
1997	20.7 C (69.3 F)
1998	20.9 C (69.6 F)
1999	21.2 C (70.2 F)
2000	22.7 C (72.9 F)
2001	22.8 C (73.0 F)
2002	19.8 C (67.6 F)
2003	19.3 C (66.7 F)
2004	19.0 C (66.2 F)
2005	20.4 C (68.7 F)
2006	20.2 C (68.4 F)
2007	20.6 C (69.1 F)
2008	21.7 C (71.1 F)
2009	19.8 C (67.6 F)
2010	22.8 C (73.0 F)
2011	21.8 C (71.2 F)
2012	22.1 C (71.8 F)
2013	21.1 C (70.0 F)
2014	19.0 C (66.2 F)
2015	22.4 C (72.3 F)
2016	23.0 C (73.4 F)
2017	22.5 C (72.5 F)
2018	21.6 C (70.9 F)
2019	21.2 C (70.2 F)
2020	22.4 C (72.3 F)
2021	22.6 C (72.7 F)
2022	22.6 C (72.7 F)
2023	22.8 C (73.0 F)
2024	22.4 C (72.3 F)
2025	24.3 C (75.7 F)

Wettest day (Rx1day)

The wettest day of the year at Surabaya/Gedangan, 1980 to 2025. The record is 103.9 mm (4.1 in) in 2003, marked on the chart; the median year is 23.5 mm (0.9 in).

Wettest day (Rx1day) at Surabaya/Gedangan by year
Year	Wettest day (Rx1day)
1980	3.0 mm (0.12 in)
1981	89.9 mm (3.5 in)
1984	n/a
1985	n/a
1986	15.0 mm (0.6 in)
1987	n/a
1988	1.0 mm (0.04 in)
1989	n/a
1992	n/a
1993	n/a
1994	n/a
1995	26.9 mm (1.1 in)
1996	68.1 mm (2.7 in)
1997	27.9 mm (1.1 in)
1998	103.1 mm (4.1 in)
1999	0.0 mm (0.00 in)
2000	n/a
2001	n/a
2002	11.9 mm (0.5 in)
2003	103.9 mm (4.1 in)
2004	n/a
2005	72.1 mm (2.8 in)
2006	10.9 mm (0.4 in)
2007	42.9 mm (1.7 in)
2008	39.9 mm (1.6 in)
2009	63.0 mm (2.5 in)
2010	24.9 mm (1.0 in)
2011	40.4 mm (1.6 in)
2012	26.2 mm (1.0 in)
2013	25.9 mm (1.0 in)
2014	22.1 mm (0.9 in)
2015	n/a
2016	0.8 mm (0.03 in)
2017	13.0 mm (0.5 in)
2018	n/a
2019	n/a
2020	0.0 mm (0.00 in)
2021	n/a
2022	9.4 mm (0.37 in)
2023	0.5 mm (0.02 in)
2024	1.5 mm (0.06 in)
2025	1.3 mm (0.05 in)

Wettest five days (Rx5day)

The wettest five days of the year at Surabaya/Gedangan, 1980 to 2025. The record is 59.9 mm (2.4 in) in 1981, marked on the chart; the median year is 11.9 mm (0.5 in).

Wettest five days (Rx5day) at Surabaya/Gedangan by year
Year	Wettest five days (Rx5day)
1980	n/a
1981	59.9 mm (2.4 in)
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1992	n/a
1993	n/a
1994	n/a
1995	0.0 mm (0.00 in)
1996	23.1 mm (0.9 in)
1997	0.0 mm (0.00 in)
1998	6.1 mm (0.24 in)
1999	n/a
2000	n/a
2001	n/a
2002	11.9 mm (0.5 in)
2003	20.1 mm (0.8 in)
2004	n/a
2005	n/a
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 Surabaya/Gedangan, 1980 to 2025. The record is 13 days in 1996, marked on the chart; the median year is 3 days.

Longest dry spell (CDD) at Surabaya/Gedangan by year
Year	Longest dry spell (CDD)
1980	3 days
1981	5 days
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	1 day
1989	n/a
1992	n/a
1993	n/a
1994	n/a
1995	5 days
1996	13 days
1997	6 days
1998	4 days
1999	2 days
2000	n/a
2001	n/a
2002	3 days
2003	4 days
2004	n/a
2005	3 days
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	1 day
2011	n/a
2012	1 day
2013	n/a
2014	n/a
2015	n/a
2016	1 day
2017	n/a
2018	n/a
2019	n/a
2020	1 day
2021	n/a
2022	n/a
2023	1 day
2024	n/a
2025	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 Surabaya/Gedangan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Surabaya/Gedangan 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 2026-10-16 (16 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).