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Built 2026-10-15 (15 October 2026)

Efremov Weather Records (RSM00027921)

Record envelope, standing records and threshold days for Efremov (RSM00027921), Russia, with 67 years of record.

Key Facts for Efremov

  • Efremov (RSM00027921) is a weather station in Russia at 53.15 latitude and 38.12 longitude, 153 m (502 ft) above sea level.
  • The station reports from 1959 to 2025, 67 years of record.
  • 1,460 records set at Efremov still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Efremov set a monthly record daily precipitation of 48.0 mm (1.9 in) on 4 August 2025.

About the Station

  • Location: Russia, 53.15 latitude, 38.12 longitude.
  • Elevation: 153 m (502 ft).
  • Period of record: 1959 to 2025, 67 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

23 days at or beyond a record
Daily record high and record low at Efremov, with 2026 drawn through them The band shows the record high and record low for each calendar day at Efremov. The lines show the 2026 daily maximum and minimum. 23 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Efremov. The lines show the 2026 daily maximum and minimum. 23 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Efremov, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan6.0 C (42.8 F)-29.9 C (-21.8 F)6.0 C (42.8 F)-6.2 C (20.8 F)
Feb6.9 C (44.4 F)-27.4 C (-17.3 F)4.6 C (40.3 F)-16.8 C (1.8 F)
Mar16.9 C (62.4 F)-23.0 C (-9.4 F)15.4 C (59.7 F)-9.2 C (15.4 F)
Apr28.7 C (83.7 F)-6.5 C (20.3 F)11.5 C (52.7 F)-2.8 C (27.0 F)
May30.3 C (86.5 F)-0.5 C (31.1 F)26.2 C (79.2 F)15.2 C (59.4 F)
Jun31.9 C (89.4 F)2.7 C (36.9 F)n/a10.6 C (51.1 F)
Jul34.4 C (93.9 F)7.9 C (46.2 F)n/an/a
Aug33.7 C (92.7 F)4.5 C (40.1 F)20.8 C (69.4 F)18.0 C (64.4 F)
Sep27.7 C (81.9 F)-1.4 C (29.5 F)n/an/a
Oct21.3 C (70.3 F)-10.4 C (13.3 F)n/an/a
Nov16.8 C (62.2 F)-18.2 C (-0.8 F)n/an/a
Dec9.0 C (48.2 F)-21.3 C (-6.3 F)n/an/a

Which Years Hold Standing Records

1,460 standing records
Standing records at Efremov by the year they were set 1,460 records at Efremov still stand. 2012 holds the most, with 353. 01002003004001960: 31961: 71962: 12012: 3532013: 1272014: 1582015: 2122016: 1062017: 1042018: 612019: 422020: 642021: 512022: 402023: 562024: 322025: 43196019622013201520172019202120232025
1,460 records at Efremov still stand. 2012 holds the most, with 353.
Standing records at Efremov by the year they were set
Year setStanding records
19603
19617
19621
2012353
2013127
2014158
2015212
2016106
2017104
201861
201942
202064
202151
202240
202356
202432
202543

All-Time Record Progression

1 new records
When Efremov set new all-time records 1 all-time records were set at Efremov between 18 July 1992 and 18 July 1992. Each dot is a new record. Record daily precipitation18 July 1992: Record daily precipitation 72.8 mm (2.9 in)
1 all-time records were set at Efremov between 18 July 1992 and 18 July 1992. Each dot is a new record.
When Efremov set new all-time records
DateKindDetail
1992-07-18Record daily precipitationRecord daily precipitation 72.8 mm (2.9 in)

Wettest Day of Each Month

Jul: 72.8 mm (2.9 in)
Record daily precipitation for each month at Efremov The wettest day on record for each calendar month at Efremov. The most was 72.8 mm (2.9 in) on 18 July 1992. 020406080 Jan: 25.6 mm (1.0 in), 10 January 1985 Jan Feb: 26.9 mm (1.1 in), 2 February 2015 Feb Mar: 21.3 mm (0.8 in), 27 March 1986 Mar Apr: 29.8 mm (1.2 in), 21 April 1986 Apr May: 37.1 mm (1.5 in), 19 May 2016 May Jun: 54.1 mm (2.1 in), 12 June 2021 Jun Jul: 72.8 mm (2.9 in), 18 July 1992 Jul Aug: 48.0 mm (1.9 in), 4 August 2025 Aug Sep: 31.1 mm (1.2 in), 27 September 1968 Sep Oct: 38.9 mm (1.5 in), 18 October 1982 Oct Nov: 36.6 mm (1.4 in), 24 November 1977 Nov Dec: 46.0 mm (1.8 in), 8 December 2012 Dec
The wettest day on record for each calendar month at Efremov. The most was 72.8 mm (2.9 in) on 18 July 1992.
Record daily precipitation for each month at Efremov
MonthRecord daily precipitation (mm)Date
Jan25.6 mm (1.0 in)10 January 1985
Feb26.9 mm (1.1 in)2 February 2015
Mar21.3 mm (0.8 in)27 March 1986
Apr29.8 mm (1.2 in)21 April 1986
May37.1 mm (1.5 in)19 May 2016
Jun54.1 mm (2.1 in)12 June 2021
Jul72.8 mm (2.9 in)18 July 1992
Aug48.0 mm (1.9 in)4 August 2025
Sep31.1 mm (1.2 in)27 September 1968
Oct38.9 mm (1.5 in)18 October 1982
Nov36.6 mm (1.4 in)24 November 1977
Dec46.0 mm (1.8 in)8 December 2012

Period of Record Coverage

1960 to 2025
Days with data per year at Efremov 18 years of record at Efremov, 1960 to 2025. 18 years have data for under 90 percent of days and are left out of rankings: 1960, 1961, 1962, 1963, 2012, 2013, 2014, 2015 and others. 1960: 12 of 366 days1961: 9 of 365 days1962: 6 of 365 days1963: 1 of 365 days2012: 305 of 366 days2013: 110 of 365 days2014: 58 of 365 days2015: 254 of 365 days2016: 156 of 366 days2017: 149 of 365 days2018: 122 of 365 days2019: 112 of 365 days2020: 124 of 366 days2021: 109 of 365 days2022: 124 of 365 days2023: 130 of 365 days2024: 108 of 366 days2025: 81 of 365 days1960201520202025
18 years of record at Efremov, 1960 to 2025. 18 years have data for under 90 percent of days and are left out of rankings: 1960, 1961, 1962, 1963, 2012, 2013, 2014, 2015 and others.
Days with data per year at Efremov
YearDays with dataShare of yearComplete
1960123%No
196192%No
196262%No
196310%No
201230583%No
201311030%No
20145816%No
201525470%No
201615643%No
201714941%No
201812233%No
201911231%No
202012434%No
202110930%No
202212434%No
202313036%No
202410830%No
20258122%No

Latest Records

20
Latest records at Efremov
DateStationRecordValueBeat old record byOld record stoodSignificance
4 August 2025Efremov, RUmonthly rain48.0 mm (1.9 in)5.6 mm (0.22 in)47 years38 of 100 (Notable)
23 November 2024Efremov, RUdaily rain18.0 mm (0.7 in)6.1 mm (0.24 in)2 years20 of 100 (Routine)
4 November 2024Efremov, RUdaily rain10.9 mm (0.4 in)0.8 mm (0.03 in)39 years18 of 100 (Routine)
16 February 2024Efremov, RUdaily rain14.0 mm (0.6 in)4.1 mm (0.16 in)8 years20 of 100 (Routine)
15 February 2024Efremov, RUdaily rain13.0 mm (0.5 in)1.9 mm (0.07 in)57 years20 of 100 (Routine)
11 January 2024Efremov, RUdaily rain6.1 mm (0.24 in)0.8 mm (0.03 in)4 years9 of 100 (Routine)
2 January 2024Efremov, RUdaily rain11.9 mm (0.5 in)4.1 mm (0.16 in)52 years20 of 100 (Routine)
31 December 2023Efremov, RUdaily rain7.9 mm (0.31 in)1.0 mm (0.04 in)34 years18 of 100 (Routine)
15 December 2023Efremov, RUdaily rain16.0 mm (0.6 in)2.4 mm (0.09 in)56 years20 of 100 (Routine)
1 December 2023Efremov, RUdaily rain7.1 mm (0.28 in)1.5 mm (0.06 in)62 years20 of 100 (Routine)
27 November 2023Efremov, RUdaily rain18.0 mm (0.7 in)3.2 mm (0.13 in)53 years20 of 100 (Routine)
9 November 2023Efremov, RUdaily rain10.9 mm (0.4 in)1.1 mm (0.04 in)28 years16 of 100 (Routine)
28 October 2023Efremov, RUdaily rain21.1 mm (0.8 in)7.3 mm (0.29 in)44 years20 of 100 (Routine)
26 October 2023Efremov, RUdaily rain6.6 mm (0.26 in)1.4 mm (0.06 in)44 years20 of 100 (Routine)
16 March 2023Efremov, RUdaily rain7.9 mm (0.31 in)1.2 mm (0.05 in)52 years20 of 100 (Routine)
12 March 2023Efremov, RUdaily rain13.0 mm (0.5 in)6.7 mm (0.26 in)40 years20 of 100 (Routine)
10 March 2023Efremov, RUdaily rain18.0 mm (0.7 in)9.5 mm (0.37 in)42 years20 of 100 (Routine)
23 December 2022Efremov, RUdaily rain (Tie)4.1 mm (0.16 in)tie8 years2 of 100 (Routine)
14 December 2022Efremov, RUdaily rain16.3 mm (0.6 in)0.3 mm (0.01 in)4 years7 of 100 (Routine)
11 December 2022Efremov, RUdaily rain15.7 mm (0.6 in)9.6 mm (0.38 in)4 years20 of 100 (Routine)

Extremes by Year

1959 to 2025
Yearly extremes at Efremov: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)34.4 C (93.9 F)201526.2 C (79.1 F)18
Coldest night (TNn)-29.9 C (-21.8 F)2024-23.9 C (-11.0 F)17
Wettest day (Rx1day)72.8 mm (2.9 in)199231.0 mm (1.2 in)51
Wettest five days (Rx5day)137.6 mm (5.4 in)199246.8 mm (1.8 in)51
Longest dry spell (CDD)41 days198420 days51

Hottest day (TXx)

Hottest day (TXx) at Efremov by year The hottest day of the year at Efremov, 1959 to 2025. The record is 34.4 C (93.9 F) in 2015, marked on the chart; the median year is 26.2 C (79.1 F). -20020401960198020002020Record: 34.4 C (93.9 F) in 2015
The hottest day of the year at Efremov, 1959 to 2025. The record is 34.4 C (93.9 F) in 2015, marked on the chart; the median year is 26.2 C (79.1 F).
Hottest day (TXx) at Efremov by year
YearHottest day (TXx)
1959n/a
19602.8 C (37.0 F)
196126.1 C (79.0 F)
1962-2.8 C (27.0 F)
1963-6.1 C (21.0 F)
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
201233.5 C (92.3 F)
201332.3 C (90.1 F)
201432.4 C (90.3 F)
201534.4 C (93.9 F)
201633.6 C (92.5 F)
201731.0 C (87.8 F)
201830.1 C (86.2 F)
201925.8 C (78.4 F)
202026.9 C (80.4 F)
202124.1 C (75.4 F)
202224.5 C (76.1 F)
202324.9 C (76.8 F)
202422.7 C (72.9 F)
202526.2 C (79.2 F)

Coldest night (TNn)

Coldest night (TNn) at Efremov by year The coldest night of the year at Efremov, 1959 to 2025. The record is -29.9 C (-21.8 F) in 2024, marked on the chart; the median year is -23.9 C (-11.0 F). -30-20-100101960198020002020Record: -29.9 C (-21.8 F) in 2024
The coldest night of the year at Efremov, 1959 to 2025. The record is -29.9 C (-21.8 F) in 2024, marked on the chart; the median year is -23.9 C (-11.0 F).
Coldest night (TNn) at Efremov by year
YearColdest night (TNn)
1959n/a
1960-5.0 C (23.0 F)
19617.8 C (46.0 F)
1962-23.9 C (-11.0 F)
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
2012-26.1 C (-15.0 F)
2013-26.5 C (-15.7 F)
2014-29.3 C (-20.7 F)
2015-22.1 C (-7.8 F)
2016-23.3 C (-9.9 F)
2017-25.0 C (-13.0 F)
2018-25.0 C (-13.0 F)
2019-25.1 C (-13.2 F)
2020-15.3 C (4.5 F)
2021-27.4 C (-17.3 F)
2022-19.3 C (-2.7 F)
2023-22.7 C (-8.9 F)
2024-29.9 C (-21.8 F)
2025-16.8 C (1.8 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Efremov by year The wettest day of the year at Efremov, 1959 to 2025. The record is 72.8 mm (2.9 in) in 1992, marked on the chart; the median year is 31.0 mm (1.2 in). 0204060801960198020002020Record: 72.8 mm (2.9 in) in 1992
The wettest day of the year at Efremov, 1959 to 2025. The record is 72.8 mm (2.9 in) in 1992, marked on the chart; the median year is 31.0 mm (1.2 in).
Wettest day (Rx1day) at Efremov by year
YearWettest day (Rx1day)
195919.9 mm (0.8 in)
196036.0 mm (1.4 in)
196125.8 mm (1.0 in)
196228.7 mm (1.1 in)
196332.7 mm (1.3 in)
196435.4 mm (1.4 in)
196529.4 mm (1.2 in)
196622.6 mm (0.9 in)
196738.8 mm (1.5 in)
196831.1 mm (1.2 in)
196935.5 mm (1.4 in)
197025.6 mm (1.0 in)
197120.5 mm (0.8 in)
197241.8 mm (1.6 in)
197320.9 mm (0.8 in)
197423.7 mm (0.9 in)
197537.0 mm (1.5 in)
197743.0 mm (1.7 in)
197836.7 mm (1.4 in)
197925.7 mm (1.0 in)
198028.5 mm (1.1 in)
198139.9 mm (1.6 in)
198238.9 mm (1.5 in)
198327.1 mm (1.1 in)
198423.7 mm (0.9 in)
198532.8 mm (1.3 in)
198629.8 mm (1.2 in)
198724.0 mm (0.9 in)
198825.9 mm (1.0 in)
198940.0 mm (1.6 in)
199031.7 mm (1.2 in)
199133.9 mm (1.3 in)
199272.8 mm (2.9 in)
199323.7 mm (0.9 in)
199424.6 mm (1.0 in)
199526.7 mm (1.1 in)
199639.8 mm (1.6 in)
201246.0 mm (1.8 in)
201330.0 mm (1.2 in)
201435.1 mm (1.4 in)
201535.1 mm (1.4 in)
201646.0 mm (1.8 in)
201730.2 mm (1.2 in)
201813.0 mm (0.5 in)
201931.0 mm (1.2 in)
202018.0 mm (0.7 in)
202154.1 mm (2.1 in)
202250.0 mm (2.0 in)
202321.1 mm (0.8 in)
202418.0 mm (0.7 in)
202548.0 mm (1.9 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Efremov by year The wettest five days of the year at Efremov, 1959 to 2025. The record is 137.6 mm (5.4 in) in 1992, marked on the chart; the median year is 46.8 mm (1.8 in). 0501001501960198020002020Record: 137.6 mm (5.4 in) in 1992
The wettest five days of the year at Efremov, 1959 to 2025. The record is 137.6 mm (5.4 in) in 1992, marked on the chart; the median year is 46.8 mm (1.8 in).
Wettest five days (Rx5day) at Efremov by year
YearWettest five days (Rx5day)
195938.6 mm (1.5 in)
196072.4 mm (2.9 in)
196136.5 mm (1.4 in)
196246.1 mm (1.8 in)
196338.4 mm (1.5 in)
196458.7 mm (2.3 in)
196546.8 mm (1.8 in)
196650.7 mm (2.0 in)
196760.9 mm (2.4 in)
196870.9 mm (2.8 in)
196946.3 mm (1.8 in)
197072.1 mm (2.8 in)
197144.2 mm (1.7 in)
197244.9 mm (1.8 in)
197349.3 mm (1.9 in)
197445.1 mm (1.8 in)
197552.8 mm (2.1 in)
197772.1 mm (2.8 in)
197858.3 mm (2.3 in)
197948.7 mm (1.9 in)
198059.2 mm (2.3 in)
198170.1 mm (2.8 in)
198267.1 mm (2.6 in)
198338.7 mm (1.5 in)
198437.8 mm (1.5 in)
198563.1 mm (2.5 in)
198644.5 mm (1.8 in)
198750.4 mm (2.0 in)
198849.5 mm (1.9 in)
198972.4 mm (2.9 in)
199044.1 mm (1.7 in)
199146.2 mm (1.8 in)
1992137.6 mm (5.4 in)
199339.0 mm (1.5 in)
199445.6 mm (1.8 in)
199545.4 mm (1.8 in)
199665.1 mm (2.6 in)
201263.0 mm (2.5 in)
201339.6 mm (1.6 in)
201416.0 mm (0.6 in)
201556.1 mm (2.2 in)
201647.0 mm (1.9 in)
201754.2 mm (2.1 in)
201826.7 mm (1.1 in)
201917.4 mm (0.7 in)
202027.1 mm (1.1 in)
202130.8 mm (1.2 in)
202266.9 mm (2.6 in)
202343.5 mm (1.7 in)
202440.1 mm (1.6 in)
202516.8 mm (0.7 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Efremov by year The longest dry spell of the year at Efremov, 1959 to 2025. The record is 41 days in 1984, marked on the chart; the median year is 20 days. 010203040501960198020002020Record: 41 days in 1984
The longest dry spell of the year at Efremov, 1959 to 2025. The record is 41 days in 1984, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Efremov by year
YearLongest dry spell (CDD)
195918 days
196029 days
196123 days
196211 days
196316 days
196420 days
196522 days
196615 days
196719 days
196823 days
196924 days
197018 days
197118 days
197228 days
197320 days
197426 days
197524 days
197715 days
197816 days
197930 days
198021 days
198114 days
198226 days
198325 days
198441 days
198532 days
198630 days
198736 days
198820 days
198915 days
199013 days
199112 days
199225 days
199321 days
199416 days
199526 days
199623 days
20127 days
201326 days
201413 days
201516 days
201611 days
201713 days
201821 days
201911 days
202016 days
202112 days
202217 days
202312 days
202428 days
202512 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.

Rainfall Return Levels

34 years, 1960 to 1995

A day with at least 29.9 mm (1.2 in) of rain is expected about once in 2 years. A day with at least 64.8 mm (2.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Efremov: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years29.9 mm (1.2 in)
5 years37.8 mm (1.5 in)
10 years43.5 mm (1.7 in)
25 years51.4 mm (2.0 in)
50 years57.9 mm (2.3 in)Longer than the 34 years of record
100 years64.8 mm (2.6 in)Longer than the 34 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 34 years of values from 1960 to 1995.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 72.8 mm (2.9 in) in 1992; 43.0 mm (1.7 in) in 1977; 41.8 mm (1.6 in) in 1972.

Download the Data

  • Data for Efremov standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Efremov 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 . Last revised (2025-12-31).