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

Uki (Sunnyvale) Threshold Days by Year (ASN00058058)

5 fixed thresholds counted per year at Uki (Sunnyvale) (ASN00058058): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Uki (Sunnyvale) Thresholds

  • Uki (Sunnyvale): days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1967 with 61.
  • Uki (Sunnyvale): days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1934 with 24.
  • Uki (Sunnyvale): days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1967 with 12.
  • Uki (Sunnyvale): days with 100 mm (3.94 in) or more of precipitation in 20 years, most in 1929 with 6.
  • 5 fixed thresholds have at least one qualifying day at Uki (Sunnyvale).
24 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Uki (Sunnyvale) Days per year at Uki (Sunnyvale) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1967. 0204060801923: 351924: 391925: 541926: 271927: 471928: 401929: 361930: 431931: 381932: 361933: 461934: 411942: 451943: 391944: 371945: 431946: 311965: 401966: 291967: 611968: 311969: 371970: 391971: 4319231926192919321942194519661969
Days per year at Uki (Sunnyvale) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1967.
Days with 10 mm (0.39 in) or more of precipitation per year at Uki (Sunnyvale)
YearDaysDecade average
19233539.7
19243939.7
19255439.7
19262739.7
19274739.7
19284039.7
19293639.7
19304340.8
19313840.8
19323640.8
19334640.8
19344140.8
19424539
19433939
19443739
19454339
19463139
19654039.6
19662939.6
19676139.6
19683139.6
19693739.6
19703941
19714341
First to last qualifying date each year at Uki (Sunnyvale) For each year, a bar from the first to the last day at Uki (Sunnyvale) meeting 10 mm (0.39 in). 1923: 26 January 1923 to 27 December 19231924: 7 January 1924 to 27 December 19241925: 5 January 1925 to 19 November 19251926: 5 March 1926 to 18 December 19261927: 9 January 1927 to 26 December 19271928: 9 January 1928 to 20 October 19281929: 11 January 1929 to 31 December 19291930: 2 January 1930 to 10 December 19301931: 27 January 1931 to 23 December 19311932: 5 January 1932 to 21 December 19321933: 14 January 1933 to 28 December 19331934: 4 January 1934 to 28 December 19341942: 16 January 1942 to 31 December 19421943: 3 January 1943 to 31 December 19431944: 4 January 1944 to 22 December 19441945: 3 January 1945 to 27 December 19451946: 7 January 1946 to 18 November 19461965: 4 January 1965 to 23 December 19651966: 1 February 1966 to 30 December 19661967: 1 January 1967 to 10 December 19671968: 6 January 1968 to 5 December 19681969: 1 January 1969 to 24 December 19691970: 2 January 1970 to 31 December 19701971: 19 January 1971 to 28 December 197119231926192919321942194519661969JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Uki (Sunnyvale) meeting 10 mm (0.39 in).
First to last qualifying date each year at Uki (Sunnyvale)
YearFirst dateLast date
19231923-01-261923-12-27
19241924-01-071924-12-27
19251925-01-051925-11-19
19261926-03-051926-12-18
19271927-01-091927-12-26
19281928-01-091928-10-20
19291929-01-111929-12-31
19301930-01-021930-12-10
19311931-01-271931-12-23
19321932-01-051932-12-21
19331933-01-141933-12-28
19341934-01-041934-12-28
19421942-01-161942-12-31
19431943-01-031943-12-31
19441944-01-041944-12-22
19451945-01-031945-12-27
19461946-01-071946-11-18
19651965-01-041965-12-23
19661966-02-011966-12-30
19671967-01-011967-12-10
19681968-01-061968-12-05
19691969-01-011969-12-24
19701970-01-021970-12-31
19711971-01-191971-12-28

Every Fixed Threshold

Fixed thresholds at Uki (Sunnyvale)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2461196743
25 mm (0.98 in): Days with 25 mm or more rain2424193414
50 mm (1.97 in): Days with 50 mm or more rain241219674
100 mm (3.94 in): Days with 100 mm or more rain20619291
200 mm (7.87 in): Days with 200 mm or more rain5219311

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

  • Data for Uki (Sunnyvale) 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).