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

Kirkwall Threshold Days by Year (UKM00003017)

4 fixed thresholds counted per year at Kirkwall (UKM00003017): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kirkwall Thresholds

  • Kirkwall: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1981 with 23.
  • Kirkwall: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1976 with 2.
  • Kirkwall: days with a maximum temperature at or below 0 C (32 F) in 1 years, most in 1981 with 1.
  • 4 fixed thresholds have at least one qualifying day at Kirkwall.
23 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Kirkwall Days per year at Kirkwall with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1981. 0102030401973: 261974: 151975: 141976: 181977: 181978: 251979: 271980: 281981: 231999: 252006: 192007: 272008: 262009: 192010: 162011: 162012: 222013: 232014: 292015: 312022: 172023: 282024: 2619731976197919992008201120142023
Days per year at Kirkwall with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Kirkwall
YearDaysDecade average
19732620.4
19741520.4
19751420.4
19761820.4
19771820.4
19782520.4
19792720.4
19802825.5
19812325.5
19992525
20061922.8
20072722.8
20082622.8
20091922.8
20101622.8
20111622.8
20122222.8
20132322.8
20142922.8
20153122.8
20221723.7
20232823.7
20242623.7
First to last qualifying date each year at Kirkwall For each year, a bar from the first to the last day at Kirkwall meeting 10 mm (0.39 in). 1973: 31 January 1973 to 24 December 19731974: 9 January 1974 to 27 December 19741975: 22 January 1975 to 31 December 19751976: 7 January 1976 to 18 December 19761977: 4 January 1977 to 7 December 19771978: 2 January 1978 to 26 December 19781979: 16 January 1979 to 15 December 19791980: 4 January 1980 to 30 December 19801981: 9 January 1981 to 31 December 19811999: 3 February 1999 to 25 December 19992006: 26 March 2006 to 14 December 20062007: 1 January 2007 to 6 December 20072008: 5 January 2008 to 20 December 20082009: 7 February 2009 to 26 November 20092010: 26 February 2010 to 27 December 20102011: 8 January 2011 to 31 December 20112012: 3 January 2012 to 31 December 20122013: 31 January 2013 to 26 December 20132014: 2 January 2014 to 24 December 20142015: 8 January 2015 to 11 December 20152022: 31 January 2022 to 22 November 20222023: 2 January 2023 to 31 December 20232024: 3 January 2024 to 31 December 202419731976197919992008201120142023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kirkwall meeting 10 mm (0.39 in).
First to last qualifying date each year at Kirkwall
YearFirst dateLast date
19731973-01-311973-12-24
19741974-01-091974-12-27
19751975-01-221975-12-31
19761976-01-071976-12-18
19771977-01-041977-12-07
19781978-01-021978-12-26
19791979-01-161979-12-15
19801980-01-041980-12-30
19811981-01-091981-12-31
19991999-02-031999-12-25
20062006-03-262006-12-14
20072007-01-012007-12-06
20082008-01-052008-12-20
20092009-02-072009-11-26
20102010-02-262010-12-27
20112011-01-082011-12-31
20122012-01-032012-12-31
20132013-01-312013-12-26
20142014-01-022014-12-24
20152015-01-082015-12-11
20222022-01-312022-11-22
20232023-01-022023-12-31
20242024-01-032024-12-31

Every Fixed Threshold

Fixed thresholds at Kirkwall
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max1119811
10 mm (0.39 in): Days with 10 mm or more rain2323198126
25 mm (0.98 in): Days with 25 mm or more rain18219761
50 mm (1.97 in): Days with 50 mm or more rain30n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Kirkwall 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).