Oster Weather Records (UPM00033236)

Record envelope, standing records and threshold days for Oster (UPM00033236), Ukraine, with 58 years of record.

Key Facts for Oster

Oster (UPM00033236) is a weather station in Ukraine at 50.95 latitude and 30.88 longitude, 104 m (341 ft) above sea level.
The station reports from 1959 to 2016, 58 years of record.
1,464 records set at Oster still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Oster set a monthly record daily precipitation of 30.0 mm (1.2 in) on 8 December 2008.

About the Station

Location: Ukraine, 50.95 latitude, 30.88 longitude.
Elevation: 104 m (341 ft).
Period of record: 1959 to 2016, 58 years.
Eligible elements: prcp.

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 Oster. 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 Oster, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.0 C (50.0 F)	-28.2 C (-18.8 F)	n/a	n/a
Feb	19.0 C (66.2 F)	-26.0 C (-14.8 F)	n/a	n/a
Mar	17.6 C (63.7 F)	-16.8 C (1.8 F)	n/a	n/a
Apr	26.8 C (80.2 F)	-6.2 C (20.8 F)	n/a	n/a
May	33.2 C (91.8 F)	0.3 C (32.5 F)	n/a	n/a
Jun	33.7 C (92.7 F)	2.2 C (36.0 F)	n/a	n/a
Jul	34.8 C (94.6 F)	7.4 C (45.3 F)	n/a	n/a
Aug	36.6 C (97.9 F)	7.1 C (44.8 F)	n/a	n/a
Sep	33.0 C (91.4 F)	0.4 C (32.7 F)	n/a	n/a
Oct	26.0 C (78.8 F)	-8.9 C (16.0 F)	n/a	n/a
Nov	14.0 C (57.2 F)	-16.1 C (3.0 F)	n/a	n/a
Dec	9.1 C (48.4 F)	-20.9 C (-5.6 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Oster still stand. 2001 holds the most, with 251.

All-Time Record Progression

1 new records

1 all-time records were set at Oster between 6 July 2001 and 6 July 2001. Each dot is a new record.

Wettest Day of Each Month

Jul: 70.0 mm (2.8 in)

The wettest day on record for each calendar month at Oster. The most was 70.0 mm (2.8 in) on 6 July 2001.

Record daily precipitation for each month at Oster
Month	Record daily precipitation (mm)	Date
Jan	20.1 mm (0.8 in)	19 January 1960
Feb	31.2 mm (1.2 in)	12 February 1969
Mar	25.3 mm (1.0 in)	18 March 1979
Apr	36.3 mm (1.4 in)	27 April 1987
May	61.8 mm (2.4 in)	3 May 1983
Jun	49.7 mm (2.0 in)	22 June 1986
Jul	70.0 mm (2.8 in)	6 July 2001
Aug	60.3 mm (2.4 in)	29 August 1967
Sep	53.0 mm (2.1 in)	22 September 2008
Oct	45.0 mm (1.8 in)	10 October 2003
Nov	32.3 mm (1.3 in)	17 November 1960
Dec	30.0 mm (1.2 in)	8 December 2008

Period of Record Coverage

2000 to 2016

11 years of record at Oster, 2000 to 2016. 9 years have data for under 90 percent of days and are left out of rankings: 2000, 2002, 2004, 2005, 2006, 2007, 2008, 2009 and others.

Days with data per year at Oster
Year	Days with data	Share of year	Complete
2000	324	89%	No
2001	338	93%	Yes
2002	161	44%	No
2003	343	94%	Yes
2004	194	53%	No
2005	161	44%	No
2006	191	52%	No
2007	112	31%	No
2008	83	23%	No
2009	44	12%	No
2016	5	1%	No

Latest Records

Latest records at Oster
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 December 2008	Oster, UA	monthly rain	30.0 mm (1.2 in)	12.6 mm (0.5 in)	32 years	63 of 100 (Major)
22 September 2008	Oster, UA	monthly rain	53.0 mm (2.1 in)	12.6 mm (0.5 in)	39 years	46 of 100 (Notable)
11 November 2007	Oster, UA	daily rain	29.0 mm (1.1 in)	17.9 mm (0.7 in)	22 years	48 of 100 (Notable)
25 January 2007	Oster, UA	daily rain	11.0 mm (0.4 in)	4.3 mm (0.17 in)	28 years	20 of 100 (Routine)
30 October 2006	Oster, UA	daily rain	17.0 mm (0.7 in)	7.0 mm (0.28 in)	27 years	20 of 100 (Routine)
5 September 2006	Oster, UA	daily rain	5.0 mm (0.20 in)	0.9 mm (0.04 in)	20 years	11 of 100 (Routine)
15 June 2006	Oster, UA	daily rain	34.0 mm (1.3 in)	19.2 mm (0.8 in)	17 years	35 of 100 (Notable)
30 December 2005	Oster, UA	daily rain	16.0 mm (0.6 in)	5.4 mm (0.21 in)	18 years	20 of 100 (Routine)
16 July 2005	Oster, UA	daily rain	29.0 mm (1.1 in)	17.1 mm (0.7 in)	42 years	32 of 100 (Routine)
23 April 2005	Oster, UA	daily rain	18.0 mm (0.7 in)	12.0 mm (0.5 in)	4 years	20 of 100 (Routine)
27 January 2005	Oster, UA	daily rain	15.0 mm (0.6 in)	6.7 mm (0.26 in)	28 years	20 of 100 (Routine)
9 May 2004	Oster, UA	daily rain	18.0 mm (0.7 in)	8.6 mm (0.34 in)	36 years	20 of 100 (Routine)
27 March 2004	Oster, UA	daily rain	10.0 mm (0.4 in)	1.2 mm (0.05 in)	16 years	11 of 100 (Routine)
3 January 2004	Oster, UA	daily rain	13.0 mm (0.5 in)	0.6 mm (0.02 in)	36 years	15 of 100 (Routine)
15 December 2003	Oster, UA	daily rain	6.7 mm (0.26 in)	0.7 mm (0.03 in)	24 years	13 of 100 (Routine)
1 November 2003	Oster, UA	daily rain	9.4 mm (0.37 in)	2.6 mm (0.10 in)	33 years	19 of 100 (Routine)
10 October 2003	Oster, UA	monthly rain	45.0 mm (1.8 in)	7.7 mm (0.30 in)	32 years	40 of 100 (Notable)
7 October 2003	Oster, UA	daily rain	12.0 mm (0.5 in)	6.7 mm (0.26 in)	16 years	20 of 100 (Routine)
2 September 2003	Oster, UA	daily rain	25.0 mm (1.0 in)	20.0 mm (0.8 in)	18 years	41 of 100 (Notable)
29 May 2003	Oster, UA	daily rain	14.0 mm (0.6 in)	6.7 mm (0.26 in)	36 years	20 of 100 (Routine)

Extremes by Year

1959 to 2016

Yearly extremes at Oster: 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)	2008	33.5 C (92.3 F)	11
Coldest night (TNn)	-28.2 C (-18.8 F)	2006	-20.9 C (-5.6 F)	11
Wettest day (Rx1day)	70.0 mm (2.8 in)	2001	36.2 mm (1.4 in)	43
Wettest five days (Rx5day)	130.8 mm (5.1 in)	1967	56.1 mm (2.2 in)	40
Longest dry spell (CDD)	38 days	1974	18 days	43

Hottest day (TXx)

The hottest day of the year at Oster, 1959 to 2016. The record is 36.6 C (97.9 F) in 2008, marked on the chart; the median year is 33.5 C (92.3 F).

Hottest day (TXx) at Oster by year
Year	Hottest day (TXx)
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
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	n/a
2000	35.7 C (96.3 F)
2001	34.5 C (94.1 F)
2002	34.8 C (94.6 F)
2003	31.6 C (88.9 F)
2004	28.3 C (82.9 F)
2005	33.5 C (92.3 F)
2006	32.7 C (90.9 F)
2007	34.6 C (94.3 F)
2008	36.6 C (97.9 F)
2009	32.7 C (90.9 F)
2016	26.7 C (80.1 F)

Coldest night (TNn)

The coldest night of the year at Oster, 1959 to 2016. The record is -28.2 C (-18.8 F) in 2006, marked on the chart; the median year is -20.9 C (-5.6 F).

Coldest night (TNn) at Oster by year
Year	Coldest night (TNn)
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
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	n/a
2000	-22.5 C (-8.5 F)
2001	-20.9 C (-5.6 F)
2002	-19.4 C (-2.9 F)
2003	-19.2 C (-2.6 F)
2004	-19.2 C (-2.6 F)
2005	-23.8 C (-10.8 F)
2006	-28.2 C (-18.8 F)
2007	-20.9 C (-5.6 F)
2008	-13.6 C (7.5 F)
2009	-24.7 C (-12.5 F)
2016	8.8 C (47.8 F)

Wettest day (Rx1day)

The wettest day of the year at Oster, 1959 to 2016. The record is 70.0 mm (2.8 in) in 2001, marked on the chart; the median year is 36.2 mm (1.4 in).

Wettest day (Rx1day) at Oster by year
Year	Wettest day (Rx1day)
1959	28.7 mm (1.1 in)
1960	47.1 mm (1.9 in)
1961	32.2 mm (1.3 in)
1962	55.0 mm (2.2 in)
1963	16.1 mm (0.6 in)
1964	47.2 mm (1.9 in)
1965	54.6 mm (2.1 in)
1966	37.8 mm (1.5 in)
1967	60.3 mm (2.4 in)
1968	45.7 mm (1.8 in)
1969	57.4 mm (2.3 in)
1970	47.4 mm (1.9 in)
1971	36.2 mm (1.4 in)
1972	17.3 mm (0.7 in)
1973	23.7 mm (0.9 in)
1974	57.1 mm (2.2 in)
1975	24.1 mm (0.9 in)
1976	8.8 mm (0.35 in)
1977	32.9 mm (1.3 in)
1978	40.9 mm (1.6 in)
1979	26.9 mm (1.1 in)
1980	52.5 mm (2.1 in)
1981	38.5 mm (1.5 in)
1982	40.4 mm (1.6 in)
1983	61.8 mm (2.4 in)
1984	24.2 mm (1.0 in)
1985	27.7 mm (1.1 in)
1986	49.7 mm (2.0 in)
1987	36.3 mm (1.4 in)
1988	30.1 mm (1.2 in)
1989	26.6 mm (1.0 in)
1990	31.3 mm (1.2 in)
1991	6.1 mm (0.24 in)
2000	26.0 mm (1.0 in)
2001	70.0 mm (2.8 in)
2002	51.0 mm (2.0 in)
2003	45.0 mm (1.8 in)
2004	18.0 mm (0.7 in)
2005	29.0 mm (1.1 in)
2006	34.0 mm (1.3 in)
2007	29.0 mm (1.1 in)
2008	53.0 mm (2.1 in)
2009	5.0 mm (0.20 in)
2016	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Oster, 1959 to 2016. The record is 130.8 mm (5.1 in) in 1967, marked on the chart; the median year is 56.1 mm (2.2 in).

Wettest five days (Rx5day) at Oster by year
Year	Wettest five days (Rx5day)
1959	55.2 mm (2.2 in)
1960	61.7 mm (2.4 in)
1961	67.9 mm (2.7 in)
1962	72.6 mm (2.9 in)
1963	40.0 mm (1.6 in)
1964	53.8 mm (2.1 in)
1965	87.7 mm (3.5 in)
1966	60.2 mm (2.4 in)
1967	130.8 mm (5.1 in)
1968	58.2 mm (2.3 in)
1969	108.9 mm (4.3 in)
1970	50.5 mm (2.0 in)
1971	91.8 mm (3.6 in)
1972	23.2 mm (0.9 in)
1973	57.9 mm (2.3 in)
1974	76.9 mm (3.0 in)
1975	57.0 mm (2.2 in)
1976	11.7 mm (0.5 in)
1977	51.5 mm (2.0 in)
1978	93.5 mm (3.7 in)
1979	38.9 mm (1.5 in)
1980	61.1 mm (2.4 in)
1981	58.4 mm (2.3 in)
1982	54.2 mm (2.1 in)
1983	74.4 mm (2.9 in)
1984	51.0 mm (2.0 in)
1985	59.2 mm (2.3 in)
1986	83.3 mm (3.3 in)
1987	42.3 mm (1.7 in)
1988	41.4 mm (1.6 in)
1989	42.8 mm (1.7 in)
1990	68.2 mm (2.7 in)
1991	n/a
2000	50.4 mm (2.0 in)
2001	39.0 mm (1.5 in)
2002	33.8 mm (1.3 in)
2003	58.5 mm (2.3 in)
2004	17.9 mm (0.7 in)
2005	30.7 mm (1.2 in)
2006	2.9 mm (0.11 in)
2007	26.0 mm (1.0 in)
2008	n/a
2009	n/a
2016	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Oster, 1959 to 2016. The record is 38 days in 1974, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Oster by year
Year	Longest dry spell (CDD)
1959	15 days
1960	29 days
1961	15 days
1962	20 days
1963	18 days
1964	28 days
1965	18 days
1966	18 days
1967	28 days
1968	27 days
1969	20 days
1970	16 days
1971	16 days
1972	25 days
1973	17 days
1974	38 days
1975	29 days
1976	13 days
1977	24 days
1978	13 days
1979	20 days
1980	17 days
1981	26 days
1982	25 days
1983	21 days
1984	25 days
1985	16 days
1986	28 days
1987	19 days
1988	20 days
1989	13 days
1990	21 days
1991	2 days
2000	3 days
2001	2 days
2002	2 days
2003	4 days
2004	2 days
2005	3 days
2006	3 days
2007	2 days
2008	3 days
2009	1 day
2016	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 Oster standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Oster 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 2026-10-15 (15 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).