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

Surprise Bay Threshold Days by Year (ASN00098012)

4 fixed thresholds counted per year at Surprise Bay (ASN00098012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Surprise Bay Thresholds

  • Surprise Bay: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1910 with 42.
  • Surprise Bay: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1910 with 5.
  • Surprise Bay: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1932 with 2.
  • Surprise Bay: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1932 with 1.
  • 4 fixed thresholds have at least one qualifying day at Surprise Bay.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Surprise Bay Days per year at Surprise Bay with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1910. 02040601910: 421911: 291912: 211913: 161914: 131915: 241916: 261917: 251918: 251919: 231920: 211921: 251922: 201923: 321924: 271925: 151926: 271927: 171928: 181929: 241930: 171931: 261932: 211933: 182019: 39191019131916191919221925192819312019
Days per year at Surprise Bay with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1910.
Days with 10 mm (0.39 in) or more of precipitation per year at Surprise Bay
YearDaysDecade average
19104224.4
19112924.4
19122124.4
19131624.4
19141324.4
19152424.4
19162624.4
19172524.4
19182524.4
19192324.4
19202122.6
19212522.6
19222022.6
19233222.6
19242722.6
19251522.6
19262722.6
19271722.6
19281822.6
19292422.6
19301720.5
19312620.5
19322120.5
19331820.5
20193939
First to last qualifying date each year at Surprise Bay For each year, a bar from the first to the last day at Surprise Bay meeting 10 mm (0.39 in). 1910: 15 January 1910 to 20 November 19101911: 9 February 1911 to 18 December 19111912: 5 March 1912 to 10 December 19121913: 3 January 1913 to 23 December 19131914: 27 January 1914 to 26 December 19141915: 7 March 1915 to 14 November 19151916: 28 January 1916 to 12 December 19161917: 15 February 1917 to 28 October 19171918: 14 January 1918 to 3 December 19181919: 3 February 1919 to 21 October 19191920: 29 February 1920 to 15 December 19201921: 26 February 1921 to 3 December 19211922: 22 February 1922 to 28 December 19221923: 25 March 1923 to 14 December 19231924: 5 January 1924 to 26 December 19241925: 22 January 1925 to 18 November 19251926: 9 February 1926 to 17 December 19261927: 3 February 1927 to 5 December 19271928: 1 January 1928 to 26 October 19281929: 26 January 1929 to 28 December 19291930: 22 February 1930 to 16 December 19301931: 14 March 1931 to 17 November 19311932: 12 February 1932 to 1 December 19321933: 30 March 1933 to 2 December 19332019: 7 February 2019 to 8 November 20191910191419181922192619302019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Surprise Bay meeting 10 mm (0.39 in).
First to last qualifying date each year at Surprise Bay
YearFirst dateLast date
19101910-01-151910-11-20
19111911-02-091911-12-18
19121912-03-051912-12-10
19131913-01-031913-12-23
19141914-01-271914-12-26
19151915-03-071915-11-14
19161916-01-281916-12-12
19171917-02-151917-10-28
19181918-01-141918-12-03
19191919-02-031919-10-21
19201920-02-291920-12-15
19211921-02-261921-12-03
19221922-02-221922-12-28
19231923-03-251923-12-14
19241924-01-051924-12-26
19251925-01-221925-11-18
19261926-02-091926-12-17
19271927-02-031927-12-05
19281928-01-011928-10-26
19291929-01-261929-12-28
19301930-02-221930-12-16
19311931-03-141931-11-17
19321932-02-121932-12-01
19331933-03-301933-12-02
20192019-02-072019-11-08

Every Fixed Threshold

Fixed thresholds at Surprise Bay
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2542191039
25 mm (0.98 in): Days with 25 mm or more rain22519105
50 mm (1.97 in): Days with 50 mm or more rain6219321
100 mm (3.94 in): Days with 100 mm or more rain1119321

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

  • Data for Surprise Bay 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).