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

Postojna Threshold Days by Year (SIE00115076)

12 fixed thresholds counted per year at Postojna (SIE00115076): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Postojna Thresholds

  • Postojna: days with a maximum temperature at or below 0 C (32 F) in 61 years, most in 1963 with 52.
  • Postojna: nights with a minimum temperature at or below 0 C (32 F) in 61 years, most in 1962 with 130.
  • Postojna: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 2014 with 66.
  • Postojna: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 2017 with 32.
  • 12 fixed thresholds have at least one qualifying day at Postojna.
51 years with a qualifying day
Days at or above 30 C (86 F) per year at Postojna Days per year at Postojna with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 2003. 0102030401962: 31963: 21965: 31967: 11968: 31969: 21970: 11971: 41972: 41973: 31974: 51980: 11981: 31983: 91984: 21985: 51986: 31987: 11988: 141990: 11991: 41992: 151993: 151994: 161995: 31996: 21998: 161999: 22000: 112001: 82002: 62003: 352004: 42005: 62006: 202007: 92008: 42009: 162010: 102011: 182012: 322013: 262014: 52015: 272016: 102017: 192018: 152019: 242020: 72021: 152022: 23196219701981198819952002200820142020
Days per year at Postojna with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 2003.
Days at or above 30 C (86 F) per year at Postojna
YearDaysDecade average
196232.3
196322.3
196532.3
196712.3
196832.3
196922.3
197013.4
197143.4
197243.4
197333.4
197453.4
198014.8
198134.8
198394.8
198424.8
198554.8
198634.8
198714.8
1988144.8
199018.2
199148.2
1992158.2
1993158.2
1994168.2
199538.2
199628.2
1998168.2
199928.2
20001111.9
2001811.9
2002611.9
20033511.9
2004411.9
2005611.9
20062011.9
2007911.9
2008411.9
20091611.9
20101018.6
20111818.6
20123218.6
20132618.6
2014518.6
20152718.6
20161018.6
20171918.6
20181518.6
20192418.6
2020715
20211515
20222315
First to last qualifying date each year at Postojna For each year, a bar from the first to the last day at Postojna meeting 30 C (86 F). 1962: 24 June 1962 to 15 August 19621963: 3 August 1963 to 4 August 19631965: 25 June 1965 to 27 June 19651967: 4 August 1967 to 4 August 19671968: 9 July 1968 to 11 July 19681969: 28 July 1969 to 29 July 19691970: 24 July 1970 to 24 July 19701971: 3 August 1971 to 8 August 19711972: 11 August 1972 to 15 August 19721973: 21 August 1973 to 6 September 19731974: 3 August 1974 to 18 August 19741980: 5 August 1980 to 5 August 19801981: 15 June 1981 to 3 August 19811983: 19 July 1983 to 1 August 19831984: 12 July 1984 to 5 August 19841985: 26 July 1985 to 22 August 19851986: 30 July 1986 to 3 August 19861987: 18 September 1987 to 18 September 19871988: 22 July 1988 to 19 August 19881990: 30 July 1990 to 30 July 19901991: 8 July 1991 to 13 July 19911992: 27 July 1992 to 28 August 19921993: 30 July 1993 to 24 August 19931994: 3 July 1994 to 10 August 19941995: 21 July 1995 to 27 July 19951996: 11 June 1996 to 12 June 19961998: 20 July 1998 to 17 August 19981999: 4 July 1999 to 5 July 19992000: 12 August 2000 to 25 August 20002001: 15 July 2001 to 27 August 20012002: 18 June 2002 to 24 June 20022003: 9 June 2003 to 24 August 20032004: 20 July 2004 to 23 July 20042005: 27 June 2005 to 30 July 20052006: 22 June 2006 to 5 September 20062007: 15 July 2007 to 28 July 20072008: 25 June 2008 to 5 August 20082009: 25 May 2009 to 28 August 20092010: 2 July 2010 to 23 July 20102011: 9 July 2011 to 4 September 20112012: 17 June 2012 to 30 August 20122013: 17 June 2013 to 19 August 20132014: 8 June 2014 to 12 June 20142015: 6 June 2015 to 30 August 20152016: 24 June 2016 to 29 August 20162017: 21 June 2017 to 27 August 20172018: 29 July 2018 to 23 August 20182019: 10 June 2019 to 1 September 20192020: 6 July 2020 to 10 August 20202021: 19 June 2021 to 16 August 20212022: 26 June 2022 to 18 August 202219621971198419922000200720142021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Postojna meeting 30 C (86 F).
First to last qualifying date each year at Postojna
YearFirst dateLast date
19621962-06-241962-08-15
19631963-08-031963-08-04
19651965-06-251965-06-27
19671967-08-041967-08-04
19681968-07-091968-07-11
19691969-07-281969-07-29
19701970-07-241970-07-24
19711971-08-031971-08-08
19721972-08-111972-08-15
19731973-08-211973-09-06
19741974-08-031974-08-18
19801980-08-051980-08-05
19811981-06-151981-08-03
19831983-07-191983-08-01
19841984-07-121984-08-05
19851985-07-261985-08-22
19861986-07-301986-08-03
19871987-09-181987-09-18
19881988-07-221988-08-19
19901990-07-301990-07-30
19911991-07-081991-07-13
19921992-07-271992-08-28
19931993-07-301993-08-24
19941994-07-031994-08-10
19951995-07-211995-07-27
19961996-06-111996-06-12
19981998-07-201998-08-17
19991999-07-041999-07-05
20002000-08-122000-08-25
20012001-07-152001-08-27
20022002-06-182002-06-24
20032003-06-092003-08-24
20042004-07-202004-07-23
20052005-06-272005-07-30
20062006-06-222006-09-05
20072007-07-152007-07-28
20082008-06-252008-08-05
20092009-05-252009-08-28
20102010-07-022010-07-23
20112011-07-092011-09-04
20122012-06-172012-08-30
20132013-06-172013-08-19
20142014-06-082014-06-12
20152015-06-062015-08-30
20162016-06-242016-08-29
20172017-06-212017-08-27
20182018-07-292018-08-23
20192019-06-102019-09-01
20202020-07-062020-08-10
20212021-06-192021-08-16
20222022-06-262022-08-18

Every Fixed Threshold

Fixed thresholds at Postojna
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5135200323
35 C (95 F): Days7520134
90 F (32.2 C): Days2513200311
0 C (32 F): Ice days (max615219636
0 C (32 F): Frost days (min61130196290
-10 C (14 F): Days with min573219631
-20 C (-4 F): Days with min7219632
20 C (68 F): Tropical nights (min7320152
10 mm (0.39 in): Days with 10 mm or more rain6166201433
25 mm (0.98 in): Days with 25 mm or more rain6132201711
50 mm (1.97 in): Days with 50 mm or more rain61919772
100 mm (3.94 in): Days with 100 mm or more rain13219651

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Postojna 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).