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

Nypo Threshold Days by Year (ASN00077032)

3 fixed thresholds counted per year at Nypo (ASN00077032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nypo Thresholds

  • Nypo: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1917 with 17.
  • Nypo: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1902 with 3.
  • Nypo: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1899 with 1.
  • 3 fixed thresholds have at least one qualifying day at Nypo.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Nypo Days per year at Nypo with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1917. 051015201897: 41898: 91899: 111900: 111901: 81902: 61913: 71914: 71915: 81917: 171918: 61927: 11928: 121929: 21930: 81932: 101946: 51947: 11189718991901191319151918192819301946
Days per year at Nypo with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Nypo
YearDaysDecade average
189748
189898
1899118
1900118.3
190188.3
190268.3
191379
191479
191589
1917179
191869
192715
1928125
192925
193089
1932109
194658
1947118
First to last qualifying date each year at Nypo For each year, a bar from the first to the last day at Nypo meeting 10 mm (0.39 in). 1897: 8 January 1897 to 19 November 18971898: 11 February 1898 to 22 December 18981899: 18 January 1899 to 14 October 18991900: 1 March 1900 to 2 December 19001901: 23 April 1901 to 21 December 19011902: 24 March 1902 to 16 December 19021913: 14 February 1913 to 23 December 19131914: 28 February 1914 to 15 December 19141915: 20 February 1915 to 6 December 19151917: 22 January 1917 to 22 November 19171918: 30 January 1918 to 6 October 19181927: 1 September 1927 to 1 September 19271928: 18 January 1928 to 15 October 19281929: 4 April 1929 to 28 December 19291930: 12 May 1930 to 16 December 19301932: 5 February 1932 to 15 December 19321946: 18 February 1946 to 2 July 19461947: 6 February 1947 to 30 November 1947189719001913191719281932JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nypo meeting 10 mm (0.39 in).
First to last qualifying date each year at Nypo
YearFirst dateLast date
18971897-01-081897-11-19
18981898-02-111898-12-22
18991899-01-181899-10-14
19001900-03-011900-12-02
19011901-04-231901-12-21
19021902-03-241902-12-16
19131913-02-141913-12-23
19141914-02-281914-12-15
19151915-02-201915-12-06
19171917-01-221917-11-22
19181918-01-301918-10-06
19271927-09-011927-09-01
19281928-01-181928-10-15
19291929-04-041929-12-28
19301930-05-121930-12-16
19321932-02-051932-12-15
19461946-02-181946-07-02
19471947-02-061947-11-30

Every Fixed Threshold

Fixed thresholds at Nypo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1817191711
25 mm (0.98 in): Days with 25 mm or more rain14319023
50 mm (1.97 in): Days with 50 mm or more rain3118991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

  • Data for Nypo 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).