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.
Days with 10 mm (0.39 in) or more of precipitation
15 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1901 | 28 | 28 |
| 1949 | 38 | 38 |
| 1950 | 37 | 37 |
| 2002 | 34 | 34.6 |
| 2003 | 32 | 34.6 |
| 2004 | 38 | 34.6 |
| 2005 | 26 | 34.6 |
| 2006 | 33 | 34.6 |
| 2007 | 39 | 34.6 |
| 2008 | 40 | 34.6 |
| 2010 | 26 | 34.2 |
| 2012 | 27 | 34.2 |
| 2013 | 46 | 34.2 |
| 2014 | 29 | 34.2 |
| 2015 | 43 | 34.2 |
| Year | First date | Last date |
|---|---|---|
| 1901 | 1901-01-09 | 1901-12-13 |
| 1949 | 1949-01-15 | 1949-12-31 |
| 1950 | 1950-01-03 | 1950-10-03 |
| 2002 | 2002-01-24 | 2002-12-31 |
| 2003 | 2003-02-06 | 2003-12-28 |
| 2004 | 2004-01-17 | 2004-12-07 |
| 2005 | 2005-01-03 | 2005-11-01 |
| 2006 | 2006-01-22 | 2006-12-30 |
| 2007 | 2007-01-13 | 2007-12-15 |
| 2008 | 2008-02-07 | 2008-12-28 |
| 2010 | 2010-01-29 | 2010-12-29 |
| 2012 | 2012-01-11 | 2012-12-25 |
| 2013 | 2013-01-01 | 2013-12-21 |
| 2014 | 2014-02-03 | 2014-12-18 |
| 2015 | 2015-01-02 | 2015-12-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 1 | 119 | 1901 | 119 |
| 35 C (95 F): Days | 1 | 62 | 1901 | 62 |
| 40 C (104 F): Days | 1 | 11 | 1901 | 11 |
| 90 F (32.2 C): Days | 1 | 92 | 1901 | 92 |
| 100 F (37.8 C): Days | 1 | 26 | 1901 | 26 |
| 0 C (32 F): Ice days (max | 1 | 1 | 1901 | 1 |
| 0 C (32 F): Frost days (min | 1 | 84 | 1901 | 84 |
| -10 C (14 F): Days with min | 1 | 9 | 1901 | 9 |
| 20 C (68 F): Tropical nights (min | 1 | 42 | 1901 | 42 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 15 | 46 | 2013 | 43 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 15 | 26 | 2015 | 26 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 15 | 12 | 2015 | 12 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 7 | 3 | 2006 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 1 | 1 | 2010 | 1 |
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
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).