Built 2026-10-19 (19 October 2026)

Port Blair Threshold Days by Year (IN099999901)

10 fixed thresholds counted per year at Port Blair (IN099999901): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Port Blair Thresholds

  • Port Blair: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1907 with 101.
  • Port Blair: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1957 with 66.
  • Port Blair: days with 50 mm (1.97 in) or more of precipitation in 66 years, most in 1957 with 49.
  • Port Blair: days with 100 mm (3.94 in) or more of precipitation in 62 years, most in 1957 with 27.
  • 10 fixed thresholds have at least one qualifying day at Port Blair.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at Port Blair Days per year at Port Blair with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 295 in 2015. 01002003002004: 2422005: 2342006: 2372007: 2232008: 2402009: 2772010: 2832011: 2672012: 2932013: 2542014: 2782015: 2952023: 2842025: 1202026: 14020042006200820102012201420232026
Days per year at Port Blair with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 295 in 2015.
Days at or above 30 C (86 F) per year at Port Blair
YearDaysDecade average
2004242242.2
2005234242.2
2006237242.2
2007223242.2
2008240242.2
2009277242.2
2010283278.3
2011267278.3
2012293278.3
2013254278.3
2014278278.3
2015295278.3
2023284181.3
2025120181.3
2026140181.3
First to last qualifying date each year at Port Blair For each year, a bar from the first to the last day at Port Blair meeting 30 C (86 F). 2004: 2 January 2004 to 31 December 20042005: 2 January 2005 to 25 December 20052006: 1 January 2006 to 23 December 20062007: 7 January 2007 to 23 December 20072008: 1 January 2008 to 28 December 20082009: 1 January 2009 to 30 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122013: 1 January 2013 to 23 December 20132014: 2 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152023: 1 January 2023 to 31 December 20232025: 26 January 2025 to 5 December 20252026: 26 January 2026 to 12 October 202620042006200820102012201420232026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Port Blair meeting 30 C (86 F).
First to last qualifying date each year at Port Blair
YearFirst dateLast date
20042004-01-022004-12-31
20052005-01-022005-12-25
20062006-01-012006-12-23
20072007-01-072007-12-23
20082008-01-012008-12-28
20092009-01-012009-12-30
20102010-01-012010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-23
20142014-01-022014-12-31
20152015-01-012015-12-31
20232023-01-012023-12-31
20252025-01-262025-12-05
20262026-01-262026-10-12

Every Fixed Threshold

Fixed thresholds at Port Blair
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days152952015140
35 C (95 F): Days71020132
90 F (32.2 C): Days1599201011
20 C (68 F): Tropical nights (min23572025276
25 C (77 F): Days with min22662025240
10 mm (0.39 in): Days with 10 mm or more rain66101190764
25 mm (0.98 in): Days with 25 mm or more rain6666195730
50 mm (1.97 in): Days with 50 mm or more rain6649195718
100 mm (3.94 in): Days with 100 mm or more rain622719571
200 mm (7.87 in): Days with 200 mm or more rain7619571

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2004.

Download the Data

  • Data for Port Blair 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 (2026-10-17).