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

Olla Threshold Days by Year (USC00166978)

14 fixed thresholds counted per year at Olla (USC00166978): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Olla Thresholds

  • Olla: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1979 with 58.
  • Olla: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1979 with 33.
  • Olla: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1979 with 13.
  • Olla: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1978 with 78.
  • 14 fixed thresholds have at least one qualifying day at Olla.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Olla Days per year at Olla with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 2005. 0501001501970: 1271971: 1251972: 1401973: 1231974: 1081975: 1171976: 1041977: 1341978: 1291979: 1201980: 1361981: 1321982: 1381983: 1221986: 1321987: 1321988: 1211989: 1162001: 1232002: 1382003: 1222004: 1332005: 1422006: 1372008: 114197019731976197919821987200120042008
Days per year at Olla with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 2005.
Days at or above 30 C (86 F) per year at Olla
YearDaysDecade average
1970127122.7
1971125122.7
1972140122.7
1973123122.7
1974108122.7
1975117122.7
1976104122.7
1977134122.7
1978129122.7
1979120122.7
1980136128.6
1981132128.6
1982138128.6
1983122128.6
1986132128.6
1987132128.6
1988121128.6
1989116128.6
2001123129.9
2002138129.9
2003122129.9
2004133129.9
2005142129.9
2006137129.9
2008114129.9
First to last qualifying date each year at Olla For each year, a bar from the first to the last day at Olla meeting 30 C (86 F). 1970: 18 April 1970 to 9 October 19701971: 24 April 1971 to 3 November 19711972: 8 April 1972 to 19 October 19721973: 10 May 1973 to 11 October 19731974: 30 March 1974 to 29 September 19741975: 25 April 1975 to 14 October 19751976: 13 May 1976 to 5 October 19761977: 26 February 1977 to 2 October 19771978: 10 April 1978 to 22 October 19781979: 17 April 1979 to 22 October 19791980: 23 April 1980 to 18 October 19801981: 31 March 1981 to 18 October 19811982: 18 March 1982 to 10 October 19821983: 14 May 1983 to 21 October 19831986: 10 March 1986 to 6 October 19861987: 17 April 1987 to 2 October 19871988: 21 April 1988 to 29 September 19881989: 22 April 1989 to 8 November 19892001: 5 April 2001 to 25 October 20012002: 16 March 2002 to 7 October 20022003: 18 April 2003 to 6 November 20032004: 21 March 2004 to 30 October 20042005: 29 April 2005 to 8 November 20052006: 12 March 2006 to 19 October 20062008: 16 March 2008 to 28 September 20081970197419781982198820032008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Olla meeting 30 C (86 F).
First to last qualifying date each year at Olla
YearFirst dateLast date
19701970-04-181970-10-09
19711971-04-241971-11-03
19721972-04-081972-10-19
19731973-05-101973-10-11
19741974-03-301974-09-29
19751975-04-251975-10-14
19761976-05-131976-10-05
19771977-02-261977-10-02
19781978-04-101978-10-22
19791979-04-171979-10-22
19801980-04-231980-10-18
19811981-03-311981-10-18
19821982-03-181982-10-10
19831983-05-141983-10-21
19861986-03-101986-10-06
19871987-04-171987-10-02
19881988-04-211988-09-29
19891989-04-221989-11-08
20012001-04-052001-10-25
20022002-03-162002-10-07
20032003-04-182003-11-06
20042004-03-212004-10-30
20052005-04-292005-11-08
20062006-03-122006-10-19
20082008-03-162008-09-28

Every Fixed Threshold

Fixed thresholds at Olla
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days251422005114
35 C (95 F): Days2580198021
90 F (32.2 C): Days25118198076
100 F (37.8 C): Days81719804
0 C (32 F): Ice days (max11719831
0 C (32 F): Frost days (min2678197845
-10 C (14 F): Days with min8619771
20 C (68 F): Tropical nights (min26115200490
25 C (77 F): Days with min10920031
10 mm (0.39 in): Days with 10 mm or more rain3758197937
25 mm (0.98 in): Days with 25 mm or more rain3733197919
50 mm (1.97 in): Days with 50 mm or more rain371319797
100 mm (3.94 in): Days with 100 mm or more rain21219742
200 mm (7.87 in): Days with 200 mm or more rain2119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Olla 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).