Built 2026-10-18 (18 October 2026)

Sea Hill Threshold Days by Year

5 fixed thresholds counted per year at Sea Hill (ASN00039115): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sea Hill Thresholds

  • Sea Hill: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1927 with 38.
  • Sea Hill: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1921 with 16.
  • Sea Hill: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1910 with 9.
  • Sea Hill: days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 1929 with 4.
  • 5 fixed thresholds have at least one qualifying day at Sea Hill.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sea Hill Days per year at Sea Hill with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1927. 0102030401900: 131901: 211902: 131903: 191904: 241905: 301906: 311907: 231908: 211909: 261910: 261911: 251912: 251913: 311914: 171915: 101916: 291917: 321918: 221919: 121920: 121921: 301922: 191923: 171924: 311925: 151926: 141927: 381928: 291929: 281900190319061909191219151918192119241927
Days per year at Sea Hill with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1927.
Days with 10 mm (0.39 in) or more of precipitation per year at Sea Hill
YearDaysDecade average
19001322.1
19012122.1
19021322.1
19031922.1
19042422.1
19053022.1
19063122.1
19072322.1
19082122.1
19092622.1
19102622.9
19112522.9
19122522.9
19133122.9
19141722.9
19151022.9
19162922.9
19173222.9
19182222.9
19191222.9
19201223.3
19213023.3
19221923.3
19231723.3
19243123.3
19251523.3
19261423.3
19273823.3
19282923.3
19292823.3
First to last qualifying date each year at Sea Hill For each year, a bar from the first to the last day at Sea Hill meeting 10 mm (0.39 in). 1900: 9 January 1900 to 25 December 19001901: 3 January 1901 to 6 December 19011902: 9 January 1902 to 29 December 19021903: 24 January 1903 to 13 December 19031904: 3 January 1904 to 19 December 19041905: 6 January 1905 to 31 December 19051906: 1 January 1906 to 24 December 19061907: 11 January 1907 to 19 December 19071908: 3 January 1908 to 28 November 19081909: 15 January 1909 to 24 December 19091910: 12 January 1910 to 24 December 19101911: 9 January 1911 to 20 October 19111912: 5 January 1912 to 27 November 19121913: 5 January 1913 to 24 December 19131914: 22 February 1914 to 30 December 19141915: 7 January 1915 to 29 December 19151916: 23 February 1916 to 29 December 19161917: 1 January 1917 to 25 December 19171918: 11 January 1918 to 18 December 19181919: 31 January 1919 to 21 November 19191920: 9 January 1920 to 27 November 19201921: 16 January 1921 to 31 December 19211922: 1 January 1922 to 20 December 19221923: 2 January 1923 to 10 November 19231924: 31 January 1924 to 17 December 19241925: 20 January 1925 to 31 December 19251926: 3 January 1926 to 31 December 19261927: 2 January 1927 to 23 December 19271928: 17 January 1928 to 29 December 19281929: 20 January 1929 to 30 December 192919001904190819121916192019241928JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sea Hill meeting 10 mm (0.39 in).
First to last qualifying date each year at Sea Hill
YearFirst dateLast date
19001900-01-091900-12-25
19011901-01-031901-12-06
19021902-01-091902-12-29
19031903-01-241903-12-13
19041904-01-031904-12-19
19051905-01-061905-12-31
19061906-01-011906-12-24
19071907-01-111907-12-19
19081908-01-031908-11-28
19091909-01-151909-12-24
19101910-01-121910-12-24
19111911-01-091911-10-20
19121912-01-051912-11-27
19131913-01-051913-12-24
19141914-02-221914-12-30
19151915-01-071915-12-29
19161916-02-231916-12-29
19171917-01-011917-12-25
19181918-01-111918-12-18
19191919-01-311919-11-21
19201920-01-091920-11-27
19211921-01-161921-12-31
19221922-01-011922-12-20
19231923-01-021923-11-10
19241924-01-311924-12-17
19251925-01-201925-12-31
19261926-01-031926-12-31
19271927-01-021927-12-23
19281928-01-171928-12-29
19291929-01-201929-12-30

Every Fixed Threshold

Fixed thresholds at Sea Hill
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3038192728
25 mm (0.98 in): Days with 25 mm or more rain3016192114
50 mm (1.97 in): Days with 50 mm or more rain24919106
100 mm (3.94 in): Days with 100 mm or more rain17419294
200 mm (7.87 in): Days with 200 mm or more rain3119131

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for Sea Hill 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).