Built 2026-10-19 (19 October 2026)

Bengal 4 NNW Threshold Days by Year (USC00340670)

14 fixed thresholds counted per year at Bengal 4 NNW (USC00340670): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bengal 4 NNW Thresholds

  • Bengal 4 NNW: days with 10 mm (0.39 in) or more of precipitation in 15 years, most in 2013 with 46.
  • Bengal 4 NNW: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 2015 with 26.
  • Bengal 4 NNW: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 2015 with 12.
  • Bengal 4 NNW: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 2006 with 3.
  • 14 fixed thresholds have at least one qualifying day at Bengal 4 NNW.
15 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bengal 4 NNW Days per year at Bengal 4 NNW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 2013. 02040601901: 281949: 381950: 372002: 342003: 322004: 382005: 262006: 332007: 392008: 402010: 262012: 272013: 462014: 292015: 4319011950200320052007201020132015
Days per year at Bengal 4 NNW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 2013.
Days with 10 mm (0.39 in) or more of precipitation per year at Bengal 4 NNW
YearDaysDecade average
19012828
19493838
19503737
20023434.6
20033234.6
20043834.6
20052634.6
20063334.6
20073934.6
20084034.6
20102634.2
20122734.2
20134634.2
20142934.2
20154334.2
First to last qualifying date each year at Bengal 4 NNW For each year, a bar from the first to the last day at Bengal 4 NNW meeting 10 mm (0.39 in). 1901: 9 January 1901 to 13 December 19011949: 15 January 1949 to 31 December 19491950: 3 January 1950 to 3 October 19502002: 24 January 2002 to 31 December 20022003: 6 February 2003 to 28 December 20032004: 17 January 2004 to 7 December 20042005: 3 January 2005 to 1 November 20052006: 22 January 2006 to 30 December 20062007: 13 January 2007 to 15 December 20072008: 7 February 2008 to 28 December 20082010: 29 January 2010 to 29 December 20102012: 11 January 2012 to 25 December 20122013: 1 January 2013 to 21 December 20132014: 3 February 2014 to 18 December 20142015: 2 January 2015 to 28 December 201519011950200320052007201020132015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bengal 4 NNW meeting 10 mm (0.39 in).
First to last qualifying date each year at Bengal 4 NNW
YearFirst dateLast date
19011901-01-091901-12-13
19491949-01-151949-12-31
19501950-01-031950-10-03
20022002-01-242002-12-31
20032003-02-062003-12-28
20042004-01-172004-12-07
20052005-01-032005-11-01
20062006-01-222006-12-30
20072007-01-132007-12-15
20082008-02-072008-12-28
20102010-01-292010-12-29
20122012-01-112012-12-25
20132013-01-012013-12-21
20142014-02-032014-12-18
20152015-01-022015-12-28

Every Fixed Threshold

Fixed thresholds at Bengal 4 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11191901119
35 C (95 F): Days162190162
40 C (104 F): Days111190111
90 F (32.2 C): Days192190192
100 F (37.8 C): Days126190126
0 C (32 F): Ice days (max1119011
0 C (32 F): Frost days (min184190184
-10 C (14 F): Days with min1919019
20 C (68 F): Tropical nights (min142190142
10 mm (0.39 in): Days with 10 mm or more rain1546201343
25 mm (0.98 in): Days with 25 mm or more rain1526201526
50 mm (1.97 in): Days with 50 mm or more rain1512201512
100 mm (3.94 in): Days with 100 mm or more rain7320061
10 cm (3.9 in): Days with 10 cm or more snowfall1120101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

  • Data for Bengal 4 NNW 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).