Built 2026-10-19 (19 October 2026)

Bratsk Threshold Days by Year (RSM00030309)

14 fixed thresholds counted per year at Bratsk (RSM00030309): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bratsk Thresholds

  • Bratsk: days with 10 mm (0.39 in) or more of precipitation in 118 years, most in 1955 with 14.
  • Bratsk: nights with a minimum temperature at or below 0 C (32 F) in 111 years, most in 1902 with 245.
  • Bratsk: nights with a minimum temperature at or below -10 C (14 F) in 111 years, most in 1902 with 171.
  • Bratsk: nights with a minimum temperature at or below -20 C (-4 F) in 111 years, most in 1912 with 121.
  • 14 fixed thresholds have at least one qualifying day at Bratsk.
70 years with a qualifying day
Days at or above 30 C (86 F) per year at Bratsk Days per year at Bratsk with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 1950. 0510151929: 21930: 51931: 41932: 21934: 91935: 101936: 71937: 61938: 31939: 111940: 51942: 91943: 81944: 51947: 71949: 81950: 141951: 91952: 81953: 111954: 121955: 101956: 41957: 61958: 101959: 51960: 51961: 21962: 51963: 51964: 31965: 11967: 11968: 31969: 51971: 11973: 21974: 21975: 11976: 11977: 21978: 21979: 51980: 11984: 11990: 51991: 21992: 11993: 101994: 91995: 11996: 71997: 22000: 32001: 12002: 62003: 12004: 42005: 62006: 12007: 32009: 22011: 22013: 12014: 52015: 62016: 22017: 82018: 32025: 21929193719471955196219711979199420032013
Days per year at Bratsk with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 1950.
Days at or above 30 C (86 F) per year at Bratsk
YearDaysDecade average
192922
193056.3
193146.3
193226.3
193496.3
1935106.3
193676.3
193766.3
193836.3
1939116.3
194057
194297
194387
194457
194777
194987
1950148.9
195198.9
195288.9
1953118.9
1954128.9
1955108.9
195648.9
195768.9
1958108.9
195958.9
196053.3
196123.3
196253.3
196353.3
196433.3
196513.3
196713.3
196833.3
196953.3
197112
197322
197422
197512
197612
197722
197822
197952
198011
198411
199054.6
199124.6
199214.6
1993104.6
199494.6
199514.6
199674.6
199724.6
200033
200113
200263
200313
200443
200563
200613
200733
200923
201123.9
201313.9
201453.9
201563.9
201623.9
201783.9
201833.9
202522
First to last qualifying date each year at Bratsk For each year, a bar from the first to the last day at Bratsk meeting 30 C (86 F). 1929: 5 August 1929 to 9 August 19291930: 28 June 1930 to 2 August 19301931: 2 June 1931 to 21 June 19311932: 4 July 1932 to 8 July 19321934: 11 June 1934 to 5 August 19341935: 27 June 1935 to 7 August 19351936: 2 July 1936 to 27 July 19361937: 11 July 1937 to 6 August 19371938: 13 July 1938 to 15 July 19381939: 9 June 1939 to 13 August 19391940: 16 June 1940 to 5 August 19401942: 15 June 1942 to 2 August 19421943: 30 June 1943 to 7 August 19431944: 2 June 1944 to 9 August 19441947: 24 June 1947 to 19 July 19471949: 6 May 1949 to 8 August 19491950: 31 May 1950 to 14 August 19501951: 7 June 1951 to 20 July 19511952: 5 June 1952 to 18 August 19521953: 11 June 1953 to 3 August 19531954: 8 June 1954 to 5 August 19541955: 30 May 1955 to 17 August 19551956: 15 June 1956 to 30 July 19561957: 8 June 1957 to 1 August 19571958: 23 May 1958 to 25 August 19581959: 26 May 1959 to 6 July 19591960: 8 June 1960 to 22 July 19601961: 24 July 1961 to 10 August 19611962: 24 June 1962 to 6 August 19621963: 7 July 1963 to 5 August 19631964: 18 June 1964 to 27 July 19641965: 25 July 1965 to 25 July 19651967: 7 June 1967 to 7 June 19671968: 15 July 1968 to 17 July 19681969: 15 June 1969 to 28 July 19691971: 20 June 1971 to 20 June 19711973: 18 June 1973 to 19 June 19731974: 13 July 1974 to 7 August 19741975: 31 July 1975 to 31 July 19751976: 11 June 1976 to 11 June 19761977: 23 June 1977 to 24 June 19771978: 22 July 1978 to 27 July 19781979: 27 June 1979 to 3 July 19791980: 20 June 1980 to 20 June 19801984: 6 July 1984 to 6 July 19841990: 14 June 1990 to 26 July 19901991: 21 June 1991 to 11 July 19911992: 1 July 1992 to 1 July 19921993: 9 July 1993 to 31 July 19931994: 8 June 1994 to 14 July 19941995: 18 July 1995 to 18 July 19951996: 12 July 1996 to 31 July 19961997: 26 June 1997 to 31 July 19972000: 9 August 2000 to 11 August 20002001: 13 July 2001 to 13 July 20012002: 20 July 2002 to 12 August 20022003: 14 June 2003 to 14 June 20032004: 6 June 2004 to 16 August 20042005: 25 July 2005 to 30 July 20052006: 7 July 2006 to 7 July 20062007: 5 June 2007 to 31 July 20072009: 18 July 2009 to 23 July 20092011: 14 July 2011 to 4 August 20112013: 21 June 2013 to 21 June 20132014: 22 June 2014 to 15 July 20142015: 21 June 2015 to 28 July 20152016: 30 June 2016 to 1 July 20162017: 24 May 2017 to 12 August 20172018: 25 June 2018 to 2 July 20182025: 21 June 2025 to 24 June 202519291939195219611973199020012013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bratsk meeting 30 C (86 F).
First to last qualifying date each year at Bratsk
YearFirst dateLast date
19291929-08-051929-08-09
19301930-06-281930-08-02
19311931-06-021931-06-21
19321932-07-041932-07-08
19341934-06-111934-08-05
19351935-06-271935-08-07
19361936-07-021936-07-27
19371937-07-111937-08-06
19381938-07-131938-07-15
19391939-06-091939-08-13
19401940-06-161940-08-05
19421942-06-151942-08-02
19431943-06-301943-08-07
19441944-06-021944-08-09
19471947-06-241947-07-19
19491949-05-061949-08-08
19501950-05-311950-08-14
19511951-06-071951-07-20
19521952-06-051952-08-18
19531953-06-111953-08-03
19541954-06-081954-08-05
19551955-05-301955-08-17
19561956-06-151956-07-30
19571957-06-081957-08-01
19581958-05-231958-08-25
19591959-05-261959-07-06
19601960-06-081960-07-22
19611961-07-241961-08-10
19621962-06-241962-08-06
19631963-07-071963-08-05
19641964-06-181964-07-27
19651965-07-251965-07-25
19671967-06-071967-06-07
19681968-07-151968-07-17
19691969-06-151969-07-28
19711971-06-201971-06-20
19731973-06-181973-06-19
19741974-07-131974-08-07
19751975-07-311975-07-31
19761976-06-111976-06-11
19771977-06-231977-06-24
19781978-07-221978-07-27
19791979-06-271979-07-03
19801980-06-201980-06-20
19841984-07-061984-07-06
19901990-06-141990-07-26
19911991-06-211991-07-11
19921992-07-011992-07-01
19931993-07-091993-07-31
19941994-06-081994-07-14
19951995-07-181995-07-18
19961996-07-121996-07-31
19971997-06-261997-07-31
20002000-08-092000-08-11
20012001-07-132001-07-13
20022002-07-202002-08-12
20032003-06-142003-06-14
20042004-06-062004-08-16
20052005-07-252005-07-30
20062006-07-072006-07-07
20072007-06-052007-07-31
20092009-07-182009-07-23
20112011-07-142011-08-04
20132013-06-212013-06-21
20142014-06-222014-07-15
20152015-06-212015-07-28
20162016-06-302016-07-01
20172017-05-242017-08-12
20182018-06-252018-07-02
20252025-06-212025-06-24

Every Fixed Threshold

Fixed thresholds at Bratsk
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days701419502
35 C (95 F): Days1119311
90 F (32.2 C): Days29419941
0 C (32 F): Ice days (max85167198446
0 C (32 F): Frost days (min111245190252
-10 C (14 F): Days with min111171190234
-20 C (-4 F): Days with min111121191218
-30 C (-22 F): Days with min1117219474
-40 C (-40 F): Days with min783019291
20 C (68 F): Tropical nights (min9219931
10 mm (0.39 in): Days with 10 mm or more rain1181419557
25 mm (0.98 in): Days with 25 mm or more rain64420062
50 mm (1.97 in): Days with 50 mm or more rain11119031
100 mm (3.94 in): Days with 100 mm or more rain1119051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

  • Data for Bratsk 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).