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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Rostoshi Threshold Days by Year (RSE00151775)

15 fixed thresholds counted per year at Rostoshi (RSE00151775): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rostoshi Thresholds

  • Rostoshi: days with a maximum temperature at or below 0 C (32 F) in 57 years, most in 1987 with 131.
  • Rostoshi: nights with a minimum temperature at or below 0 C (32 F) in 57 years, most in 1987 with 190.
  • Rostoshi: nights with a minimum temperature at or below -10 C (14 F) in 57 years, most in 1987 with 113.
  • Rostoshi: nights with a minimum temperature at or below -20 C (-4 F) in 57 years, most in 1972 with 42.
  • 15 fixed thresholds have at least one qualifying day at Rostoshi.
56 years with a qualifying day
Days at or above 30 C (86 F) per year at Rostoshi Days per year at Rostoshi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 2010. 0204060801960: 261961: 141962: 151963: 101965: 191967: 211968: 131969: 101970: 121971: 251972: 631973: 11974: 41975: 281977: 191978: 21979: 231980: 41981: 381982: 111983: 11984: 291985: 71986: 291987: 171988: 301989: 101990: 31991: 201992: 221993: 71994: 61995: 321996: 291997: 161998: 361999: 252000: 102001: 252002: 262003: 32004: 132005: 212006: 232007: 442008: 242009: 302010: 702011: 332012: 372013: 202014: 352015: 302016: 372017: 172018: 311960196819741981198719931999200520112017
Days per year at Rostoshi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 2010.
Days at or above 30 C (86 F) per year at Rostoshi
YearDaysDecade average
19602616
19611416
19621516
19631016
19651916
19672116
19681316
19691016
19701219.7
19712519.7
19726319.7
1973119.7
1974419.7
19752819.7
19771919.7
1978219.7
19792319.7
1980417.6
19813817.6
19821117.6
1983117.6
19842917.6
1985717.6
19862917.6
19871717.6
19883017.6
19891017.6
1990319.6
19912019.6
19922219.6
1993719.6
1994619.6
19953219.6
19962919.6
19971619.6
19983619.6
19992519.6
20001021.9
20012521.9
20022621.9
2003321.9
20041321.9
20052121.9
20062321.9
20074421.9
20082421.9
20093021.9
20107034.4
20113334.4
20123734.4
20132034.4
20143534.4
20153034.4
20163734.4
20171734.4
20183134.4
First to last qualifying date each year at Rostoshi For each year, a bar from the first to the last day at Rostoshi meeting 30 C (86 F). 1960: 13 June 1960 to 5 August 19601961: 14 June 1961 to 14 August 19611962: 29 May 1962 to 17 August 19621963: 9 July 1963 to 8 September 19631965: 3 July 1965 to 8 September 19651967: 8 May 1967 to 29 August 19671968: 21 June 1968 to 26 August 19681969: 10 June 1969 to 1 September 19691970: 5 July 1970 to 13 August 19701971: 23 May 1971 to 18 September 19711972: 30 May 1972 to 1 September 19721973: 11 June 1973 to 11 June 19731974: 12 May 1974 to 19 August 19741975: 14 May 1975 to 27 August 19751977: 15 May 1977 to 10 September 19771978: 9 July 1978 to 10 August 19781979: 20 May 1979 to 28 August 19791980: 26 June 1980 to 25 July 19801981: 9 June 1981 to 26 August 19811982: 15 June 1982 to 2 September 19821983: 8 August 1983 to 8 August 19831984: 15 May 1984 to 13 August 19841985: 8 August 1985 to 19 August 19851986: 31 May 1986 to 31 August 19861987: 11 June 1987 to 30 July 19871988: 4 June 1988 to 26 August 19881989: 11 June 1989 to 9 September 19891990: 7 July 1990 to 9 July 19901991: 28 May 1991 to 9 August 19911992: 17 June 1992 to 8 September 19921993: 22 July 1993 to 8 August 19931994: 10 June 1994 to 12 August 19941995: 15 May 1995 to 8 September 19951996: 9 May 1996 to 24 August 19961997: 12 June 1997 to 27 August 19971998: 10 June 1998 to 23 August 19981999: 8 June 1999 to 12 August 19992000: 15 July 2000 to 23 August 20002001: 12 July 2001 to 20 August 20012002: 5 July 2002 to 1 September 20022003: 24 May 2003 to 6 August 20032004: 31 May 2004 to 30 August 20042005: 22 May 2005 to 11 August 20052006: 4 June 2006 to 31 August 20062007: 21 May 2007 to 26 August 20072008: 24 May 2008 to 9 September 20082009: 10 June 2009 to 19 August 20092010: 7 May 2010 to 2 September 20102011: 19 June 2011 to 31 August 20112012: 10 May 2012 to 15 August 20122013: 14 May 2013 to 25 August 20132014: 16 May 2014 to 17 August 20142015: 25 May 2015 to 24 September 20152016: 16 June 2016 to 28 August 20162017: 16 July 2017 to 28 August 20172018: 18 May 2018 to 2 September 201819601969197719841991199820052012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rostoshi meeting 30 C (86 F).
First to last qualifying date each year at Rostoshi
YearFirst dateLast date
19601960-06-131960-08-05
19611961-06-141961-08-14
19621962-05-291962-08-17
19631963-07-091963-09-08
19651965-07-031965-09-08
19671967-05-081967-08-29
19681968-06-211968-08-26
19691969-06-101969-09-01
19701970-07-051970-08-13
19711971-05-231971-09-18
19721972-05-301972-09-01
19731973-06-111973-06-11
19741974-05-121974-08-19
19751975-05-141975-08-27
19771977-05-151977-09-10
19781978-07-091978-08-10
19791979-05-201979-08-28
19801980-06-261980-07-25
19811981-06-091981-08-26
19821982-06-151982-09-02
19831983-08-081983-08-08
19841984-05-151984-08-13
19851985-08-081985-08-19
19861986-05-311986-08-31
19871987-06-111987-07-30
19881988-06-041988-08-26
19891989-06-111989-09-09
19901990-07-071990-07-09
19911991-05-281991-08-09
19921992-06-171992-09-08
19931993-07-221993-08-08
19941994-06-101994-08-12
19951995-05-151995-09-08
19961996-05-091996-08-24
19971997-06-121997-08-27
19981998-06-101998-08-23
19991999-06-081999-08-12
20002000-07-152000-08-23
20012001-07-122001-08-20
20022002-07-052002-09-01
20032003-05-242003-08-06
20042004-05-312004-08-30
20052005-05-222005-08-11
20062006-06-042006-08-31
20072007-05-212007-08-26
20082008-05-242008-09-09
20092009-06-102009-08-19
20102010-05-072010-09-02
20112011-06-192011-08-31
20122012-05-102012-08-15
20132013-05-142013-08-25
20142014-05-162014-08-17
20152015-05-252015-09-24
20162016-06-162016-08-28
20172017-07-162017-08-28
20182018-05-182018-09-02

Every Fixed Threshold

Fixed thresholds at Rostoshi
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5670201031
35 C (95 F): Days263620102
40 C (104 F): Days3620106
90 F (32.2 C): Days4851201011
100 F (37.8 C): Days71820101
0 C (32 F): Ice days (max571311987113
0 C (32 F): Frost days (min571901987163
-10 C (14 F): Days with min57113198777
-20 C (-4 F): Days with min574219729
-30 C (-22 F): Days with min29819761
20 C (68 F): Tropical nights (min382820103
25 C (77 F): Days with min1220102
10 mm (0.39 in): Days with 10 mm or more rain5722198212
25 mm (0.98 in): Days with 25 mm or more rain41619891
50 mm (1.97 in): Days with 50 mm or more rain4119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Rostoshi 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).