Built 2026-10-19 (19 October 2026)

Princeton Threshold Days by Year (CA006146728)

5 fixed thresholds counted per year at Princeton (CA006146728): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Princeton Thresholds

  • Princeton: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1906 with 41.
  • Princeton: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1906 with 15.
  • Princeton: days with 10 cm (3.9 in) or more of snowfall in 24 years, most in 1908 with 12.
  • Princeton: days with 25 cm (9.8 in) or more of snowfall in 14 years, most in 1893 with 2.
  • 5 fixed thresholds have at least one qualifying day at Princeton.
24 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Princeton Days per year at Princeton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1906. 02040601884: 381885: 271886: 331887: 261888: 271889: 251890: 261891: 281892: 271893: 301895: 251896: 251897: 331898: 321899: 241900: 291901: 371902: 311905: 321906: 411907: 311908: 331909: 341910: 2918841887189018931897190019051908
Days per year at Princeton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1906.
Days with 10 mm (0.39 in) or more of precipitation per year at Princeton
YearDaysDecade average
18843829.3
18852729.3
18863329.3
18872629.3
18882729.3
18892529.3
18902627.8
18912827.8
18922727.8
18933027.8
18952527.8
18962527.8
18973327.8
18983227.8
18992427.8
19002933.5
19013733.5
19023133.5
19053233.5
19064133.5
19073133.5
19083333.5
19093433.5
19102929
First to last qualifying date each year at Princeton For each year, a bar from the first to the last day at Princeton meeting 10 mm (0.39 in). 1884: 3 January 1884 to 30 December 18841885: 12 January 1885 to 23 December 18851886: 4 January 1886 to 24 December 18861887: 9 January 1887 to 11 December 18871888: 1 January 1888 to 26 December 18881889: 5 January 1889 to 24 December 18891890: 2 January 1890 to 3 December 18901891: 1 January 1891 to 8 December 18911892: 7 January 1892 to 8 December 18921893: 2 January 1893 to 15 December 18931895: 4 January 1895 to 26 December 18951896: 24 January 1896 to 21 November 18961897: 4 January 1897 to 18 December 18971898: 12 January 1898 to 22 December 18981899: 4 January 1899 to 19 December 18991900: 2 January 1900 to 25 November 19001901: 10 January 1901 to 25 December 19011902: 22 January 1902 to 8 December 19021905: 8 January 1905 to 29 December 19051906: 3 January 1906 to 31 December 19061907: 4 January 1907 to 30 December 19071908: 4 January 1908 to 30 December 19081909: 10 January 1909 to 26 December 19091910: 14 January 1910 to 28 December 191018841887189018931897190019051908JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Princeton meeting 10 mm (0.39 in).
First to last qualifying date each year at Princeton
YearFirst dateLast date
18841884-01-031884-12-30
18851885-01-121885-12-23
18861886-01-041886-12-24
18871887-01-091887-12-11
18881888-01-011888-12-26
18891889-01-051889-12-24
18901890-01-021890-12-03
18911891-01-011891-12-08
18921892-01-071892-12-08
18931893-01-021893-12-15
18951895-01-041895-12-26
18961896-01-241896-11-21
18971897-01-041897-12-18
18981898-01-121898-12-22
18991899-01-041899-12-19
19001900-01-021900-11-25
19011901-01-101901-12-25
19021902-01-221902-12-08
19051905-01-081905-12-29
19061906-01-031906-12-31
19071907-01-041907-12-30
19081908-01-041908-12-30
19091909-01-101909-12-26
19101910-01-141910-12-28

Every Fixed Threshold

Fixed thresholds at Princeton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2441190629
25 mm (0.98 in): Days with 25 mm or more rain2415190612
50 mm (1.97 in): Days with 50 mm or more rain11218922
10 cm (3.9 in): Days with 10 cm or more snowfall241219087
25 cm (9.8 in): Days with 25 cm or more snowfall14218932

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

Download the Data

  • Data for Princeton 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).