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

Zeja Threshold Days by Year (RSM00031300)

12 fixed thresholds counted per year at Zeja (RSM00031300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zeja Thresholds

  • Zeja: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 2011 with 23.
  • Zeja: days with a maximum temperature at or below 0 C (32 F) in 44 years, most in 1980 with 159.
  • Zeja: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 2008 with 13.
  • Zeja: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1975 with 23.
  • 12 fixed thresholds have at least one qualifying day at Zeja.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Zeja Days per year at Zeja with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 23 in 2011. 01020301960: 91962: 151963: 191964: 71966: 61967: 131968: 221969: 61970: 171973: 71974: 151975: 71976: 71977: 71978: 31979: 131980: 131981: 41982: 41983: 41984: 61985: 51986: 161989: 91991: 101995: 132002: 192003: 42004: 132005: 202006: 122007: 102008: 202009: 62010: 102011: 232012: 212013: 72014: 142015: 182020: 152021: 82022: 202025: 12196019671974197919841995200620112020
Days per year at Zeja with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 23 in 2011.
Days at or above 30 C (86 F) per year at Zeja
YearDaysDecade average
1960912.1
19621512.1
19631912.1
1964712.1
1966612.1
19671312.1
19682212.1
1969612.1
1970179.5
197379.5
1974159.5
197579.5
197679.5
197779.5
197839.5
1979139.5
1980137.6
198147.6
198247.6
198347.6
198467.6
198557.6
1986167.6
198997.6
19911011.5
19951311.5
20021913
2003413
20041313
20052013
20061213
20071013
20082013
2009613
20101015.5
20112315.5
20122115.5
2013715.5
20141415.5
20151815.5
20201513.8
2021813.8
20222013.8
20251213.8
First to last qualifying date each year at Zeja For each year, a bar from the first to the last day at Zeja meeting 30 C (86 F). 1960: 11 June 1960 to 30 July 19601962: 21 June 1962 to 8 August 19621963: 15 June 1963 to 10 August 19631964: 13 May 1964 to 31 July 19641966: 1 June 1966 to 12 July 19661967: 13 June 1967 to 31 July 19671968: 27 May 1968 to 16 August 19681969: 7 June 1969 to 1 August 19691970: 17 June 1970 to 17 August 19701973: 8 June 1973 to 3 July 19731974: 8 June 1974 to 15 August 19741975: 26 May 1975 to 12 July 19751976: 6 July 1976 to 19 July 19761977: 17 June 1977 to 19 July 19771978: 19 May 1978 to 20 July 19781979: 25 May 1979 to 3 August 19791980: 21 June 1980 to 6 August 19801981: 20 May 1981 to 21 July 19811982: 28 June 1982 to 1 July 19821983: 6 July 1983 to 22 July 19831984: 20 May 1984 to 6 July 19841985: 16 May 1985 to 2 July 19851986: 3 June 1986 to 27 July 19861989: 29 May 1989 to 2 August 19891991: 14 June 1991 to 24 July 19911995: 10 June 1995 to 4 August 19952002: 4 June 2002 to 9 August 20022003: 11 June 2003 to 21 July 20032004: 22 June 2004 to 16 July 20042005: 19 June 2005 to 25 August 20052006: 24 June 2006 to 4 August 20062007: 31 May 2007 to 9 August 20072008: 11 June 2008 to 25 July 20082009: 4 July 2009 to 29 July 20092010: 17 June 2010 to 25 July 20102011: 15 June 2011 to 28 August 20112012: 31 May 2012 to 5 August 20122013: 23 June 2013 to 15 July 20132014: 11 June 2014 to 24 August 20142015: 12 June 2015 to 26 August 20152020: 28 May 2020 to 30 July 20202021: 7 June 2021 to 22 July 20212022: 6 June 2022 to 31 July 20222025: 28 May 2025 to 23 July 202519601968197619821991200620122022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zeja meeting 30 C (86 F).
First to last qualifying date each year at Zeja
YearFirst dateLast date
19601960-06-111960-07-30
19621962-06-211962-08-08
19631963-06-151963-08-10
19641964-05-131964-07-31
19661966-06-011966-07-12
19671967-06-131967-07-31
19681968-05-271968-08-16
19691969-06-071969-08-01
19701970-06-171970-08-17
19731973-06-081973-07-03
19741974-06-081974-08-15
19751975-05-261975-07-12
19761976-07-061976-07-19
19771977-06-171977-07-19
19781978-05-191978-07-20
19791979-05-251979-08-03
19801980-06-211980-08-06
19811981-05-201981-07-21
19821982-06-281982-07-01
19831983-07-061983-07-22
19841984-05-201984-07-06
19851985-05-161985-07-02
19861986-06-031986-07-27
19891989-05-291989-08-02
19911991-06-141991-07-24
19951995-06-101995-08-04
20022002-06-042002-08-09
20032003-06-112003-07-21
20042004-06-222004-07-16
20052005-06-192005-08-25
20062006-06-242006-08-04
20072007-05-312007-08-09
20082008-06-112008-07-25
20092009-07-042009-07-29
20102010-06-172010-07-25
20112011-06-152011-08-28
20122012-05-312012-08-05
20132013-06-232013-07-15
20142014-06-112014-08-24
20152015-06-122015-08-26
20202020-05-282020-07-30
20212021-06-072021-07-22
20222022-06-062022-07-31
20252025-05-282025-07-23

Every Fixed Threshold

Fixed thresholds at Zeja
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4423201112
35 C (95 F): Days7420041
90 F (32.2 C): Days341320085
100 F (37.8 C): Days1120041
0 C (32 F): Ice days (max44159198074
0 C (32 F): Frost days (min10n/a70
-10 C (14 F): Days with min10n/a51
-20 C (-4 F): Days with min10n/a39
-30 C (-22 F): Days with min10n/a8
10 mm (0.39 in): Days with 10 mm or more rain2223197512
25 mm (0.98 in): Days with 25 mm or more rain22719756
50 mm (1.97 in): Days with 50 mm or more rain12320132

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 Zeja 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).