Built 2026-10-19 (19 October 2026)

Ika Threshold Days by Year (RSM00030028)

12 fixed thresholds counted per year at Ika (RSM00030028): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ika Thresholds

  • Ika: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1946 with 10.
  • Ika: nights with a minimum temperature at or below 0 C (32 F) in 72 years, most in 1968 with 269.
  • Ika: nights with a minimum temperature at or below -10 C (14 F) in 72 years, most in 1984 with 198.
  • Ika: nights with a minimum temperature at or below -20 C (-4 F) in 72 years, most in 1956 with 156.
  • 12 fixed thresholds have at least one qualifying day at Ika.
64 years with a qualifying day
Days at or above 30 C (86 F) per year at Ika Days per year at Ika with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 2017. 051015201945: 21946: 31947: 11948: 41950: 21952: 11953: 11955: 41957: 31958: 41959: 91960: 11962: 61963: 51964: 31967: 11968: 61969: 121970: 81971: 61972: 31973: 31974: 31975: 71976: 21977: 51978: 51979: 81980: 41981: 11984: 61985: 41986: 131987: 21989: 11990: 41991: 81992: 71993: 101994: 131995: 41996: 91997: 31998: 71999: 62000: 42001: 92002: 92003: 112004: 22005: 62006: 72007: 32008: 32009: 52010: 62011: 52012: 62013: 92014: 132015: 52016: 42017: 172018: 91945195519641973198019901997200420112018
Days per year at Ika with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 2017.
Days at or above 30 C (86 F) per year at Ika
YearDaysDecade average
194522.5
194632.5
194712.5
194842.5
195023.4
195213.4
195313.4
195543.4
195733.4
195843.4
195993.4
196014.9
196264.9
196354.9
196434.9
196714.9
196864.9
1969124.9
197085
197165
197235
197335
197435
197575
197625
197755
197855
197985
198044.4
198114.4
198464.4
198544.4
1986134.4
198724.4
198914.4
199047.1
199187.1
199277.1
1993107.1
1994137.1
199547.1
199697.1
199737.1
199877.1
199967.1
200045.9
200195.9
200295.9
2003115.9
200425.9
200565.9
200675.9
200735.9
200835.9
200955.9
201068.2
201158.2
201268.2
201398.2
2014138.2
201558.2
201648.2
2017178.2
201898.2
First to last qualifying date each year at Ika For each year, a bar from the first to the last day at Ika meeting 30 C (86 F). 1945: 17 July 1945 to 18 July 19451946: 2 July 1946 to 4 July 19461947: 15 June 1947 to 15 June 19471948: 4 July 1948 to 11 July 19481950: 21 June 1950 to 16 August 19501952: 1 July 1952 to 1 July 19521953: 25 June 1953 to 25 June 19531955: 30 May 1955 to 12 July 19551957: 7 June 1957 to 2 August 19571958: 13 June 1958 to 16 June 19581959: 29 June 1959 to 7 July 19591960: 10 July 1960 to 10 July 19601962: 20 June 1962 to 25 July 19621963: 8 July 1963 to 9 August 19631964: 26 July 1964 to 28 July 19641967: 6 July 1967 to 6 July 19671968: 5 July 1968 to 19 July 19681969: 16 June 1969 to 3 August 19691970: 21 June 1970 to 22 July 19701971: 19 June 1971 to 17 July 19711972: 22 June 1972 to 30 July 19721973: 3 June 1973 to 18 June 19731974: 28 June 1974 to 7 August 19741975: 23 June 1975 to 3 August 19751976: 11 June 1976 to 23 June 19761977: 24 June 1977 to 11 July 19771978: 17 July 1978 to 1 August 19781979: 17 June 1979 to 9 July 19791980: 17 June 1980 to 9 August 19801981: 16 July 1981 to 16 July 19811984: 15 June 1984 to 5 July 19841985: 13 June 1985 to 16 July 19851986: 16 June 1986 to 5 August 19861987: 12 July 1987 to 13 August 19871989: 12 July 1989 to 12 July 19891990: 13 June 1990 to 17 July 19901991: 21 June 1991 to 19 July 19911992: 21 May 1992 to 9 July 19921993: 9 July 1993 to 27 July 19931994: 12 June 1994 to 18 July 19941995: 26 June 1995 to 4 August 19951996: 4 July 1996 to 12 August 19961997: 18 June 1997 to 12 August 19971998: 12 June 1998 to 18 August 19981999: 24 May 1999 to 19 July 19992000: 17 June 2000 to 10 August 20002001: 2 June 2001 to 9 August 20012002: 25 June 2002 to 13 August 20022003: 9 June 2003 to 25 July 20032004: 7 June 2004 to 8 June 20042005: 26 July 2005 to 23 August 20052006: 21 June 2006 to 5 July 20062007: 22 July 2007 to 12 August 20072008: 10 June 2008 to 8 July 20082009: 11 June 2009 to 15 June 20092010: 12 July 2010 to 24 August 20102011: 23 June 2011 to 5 August 20112012: 5 July 2012 to 31 July 20122013: 12 June 2013 to 23 June 20132014: 18 June 2014 to 14 August 20142015: 10 June 2015 to 22 August 20152016: 29 June 2016 to 26 July 20162017: 11 June 2017 to 13 August 20172018: 20 June 2018 to 13 August 201819451957196819761986199520032011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ika meeting 30 C (86 F).
First to last qualifying date each year at Ika
YearFirst dateLast date
19451945-07-171945-07-18
19461946-07-021946-07-04
19471947-06-151947-06-15
19481948-07-041948-07-11
19501950-06-211950-08-16
19521952-07-011952-07-01
19531953-06-251953-06-25
19551955-05-301955-07-12
19571957-06-071957-08-02
19581958-06-131958-06-16
19591959-06-291959-07-07
19601960-07-101960-07-10
19621962-06-201962-07-25
19631963-07-081963-08-09
19641964-07-261964-07-28
19671967-07-061967-07-06
19681968-07-051968-07-19
19691969-06-161969-08-03
19701970-06-211970-07-22
19711971-06-191971-07-17
19721972-06-221972-07-30
19731973-06-031973-06-18
19741974-06-281974-08-07
19751975-06-231975-08-03
19761976-06-111976-06-23
19771977-06-241977-07-11
19781978-07-171978-08-01
19791979-06-171979-07-09
19801980-06-171980-08-09
19811981-07-161981-07-16
19841984-06-151984-07-05
19851985-06-131985-07-16
19861986-06-161986-08-05
19871987-07-121987-08-13
19891989-07-121989-07-12
19901990-06-131990-07-17
19911991-06-211991-07-19
19921992-05-211992-07-09
19931993-07-091993-07-27
19941994-06-121994-07-18
19951995-06-261995-08-04
19961996-07-041996-08-12
19971997-06-181997-08-12
19981998-06-121998-08-18
19991999-05-241999-07-19
20002000-06-172000-08-10
20012001-06-022001-08-09
20022002-06-252002-08-13
20032003-06-092003-07-25
20042004-06-072004-06-08
20052005-07-262005-08-23
20062006-06-212006-07-05
20072007-07-222007-08-12
20082008-06-102008-07-08
20092009-06-112009-06-15
20102010-07-122010-08-24
20112011-06-232011-08-05
20122012-07-052012-07-31
20132013-06-122013-06-23
20142014-06-182014-08-14
20152015-06-102015-08-22
20162016-06-292016-07-26
20172017-06-112017-08-13
20182018-06-202018-08-13

Every Fixed Threshold

Fixed thresholds at Ika
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days641720179
35 C (95 F): Days2219941
90 F (32.2 C): Days31619942
0 C (32 F): Ice days (max701891984146
0 C (32 F): Frost days (min722691968244
-10 C (14 F): Days with min721981984161
-20 C (-4 F): Days with min721561956120
-30 C (-22 F): Days with min72114196680
-40 C (-40 F): Days with min7262196921
10 mm (0.39 in): Days with 10 mm or more rain7410194610
25 mm (0.98 in): Days with 25 mm or more rain33419912
50 mm (1.97 in): Days with 50 mm or more rain10119481

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Ika 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).