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Built 2026-10-19 (19 October 2026)

Coronado Nmem Threshold Days by Year (USC00022140)

16 fixed thresholds counted per year at Coronado Nmem (USC00022140): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coronado Nmem Thresholds

  • Coronado Nmem: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1978 with 33.
  • Coronado Nmem: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 2024 with 136.
  • Coronado Nmem: days with a maximum temperature at or above 35 C (95 F) in 59 years, most in 1980 with 52.
  • Coronado Nmem: days with a maximum temperature at or above 90 F (32.2 C) in 59 years, most in 1980 with 90.
  • 16 fixed thresholds have at least one qualifying day at Coronado Nmem.
59 years with a qualifying day
Days at or above 30 C (86 F) per year at Coronado Nmem Days per year at Coronado Nmem with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 2024. 0501001501961: 1121962: 1141963: 971964: 851965: 961966: 851967: 831968: 871969: 1161970: 931971: 691972: 981973: 1091974: 961975: 971976: 881977: 1011978: 1101979: 1131980: 1201981: 971982: 1091983: 991984: 891985: 971986: 571987: 611988: 761989: 1191990: 671991: 761992: 781993: 881994: 991995: 781996: 1081997: 1061998: 931999: 812000: 1212001: 962002: 892003: 1192004: 872005: 862007: 852008: 612009: 1022010: 892015: 862016: 762017: 1062018: 1032019: 882021: 862022: 652023: 1092024: 1362026: 1031961196719731979198519911997200320102021
Days per year at Coronado Nmem with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 2024.
Days at or above 30 C (86 F) per year at Coronado Nmem
YearDaysDecade average
196111297.2
196211497.2
19639797.2
19648597.2
19659697.2
19668597.2
19678397.2
19688797.2
196911697.2
19709397.4
19716997.4
19729897.4
197310997.4
19749697.4
19759797.4
19768897.4
197710197.4
197811097.4
197911397.4
198012092.4
19819792.4
198210992.4
19839992.4
19848992.4
19859792.4
19865792.4
19876192.4
19887692.4
198911992.4
19906787.4
19917687.4
19927887.4
19938887.4
19949987.4
19957887.4
199610887.4
199710687.4
19989387.4
19998187.4
200012194
20019694
20028994
200311994
20048794
20058694
20078594
20086194
200910294
20108991.3
20158691.3
20167691.3
201710691.3
201810391.3
20198891.3
20218699.8
20226599.8
202310999.8
202413699.8
202610399.8
First to last qualifying date each year at Coronado Nmem For each year, a bar from the first to the last day at Coronado Nmem meeting 30 C (86 F). 1961: 4 April 1961 to 5 October 19611962: 13 April 1962 to 9 October 19621963: 13 April 1963 to 11 October 19631964: 12 May 1964 to 9 October 19641965: 20 April 1965 to 12 October 19651966: 6 May 1966 to 25 September 19661967: 8 May 1967 to 5 October 19671968: 19 May 1968 to 29 October 19681969: 21 April 1969 to 8 October 19691970: 13 May 1970 to 25 September 19701971: 10 April 1971 to 22 September 19711972: 5 April 1972 to 16 October 19721973: 7 May 1973 to 23 October 19731974: 17 March 1974 to 2 October 19741975: 10 May 1975 to 11 October 19751976: 11 May 1976 to 21 September 19761977: 27 May 1977 to 2 October 19771978: 12 May 1978 to 15 October 19781979: 5 May 1979 to 25 October 19791980: 18 April 1980 to 11 October 19801981: 10 May 1981 to 30 September 19811982: 11 April 1982 to 3 October 19821983: 22 May 1983 to 15 September 19831984: 16 April 1984 to 21 September 19841985: 13 April 1985 to 26 September 19851986: 2 May 1986 to 18 September 19861987: 17 April 1987 to 7 October 19871988: 10 May 1988 to 17 September 19881989: 11 March 1989 to 30 September 19891990: 14 April 1990 to 13 September 19901991: 25 May 1991 to 16 October 19911992: 27 April 1992 to 12 October 19921993: 21 April 1993 to 4 October 19931994: 18 April 1994 to 30 September 19941995: 31 May 1995 to 12 October 19951996: 23 April 1996 to 13 October 19961997: 3 May 1997 to 5 October 19971998: 17 May 1998 to 13 October 19981999: 7 May 1999 to 5 October 19992000: 24 April 2000 to 7 October 20002001: 1 May 2001 to 28 September 20012002: 14 April 2002 to 26 September 20022003: 12 May 2003 to 2 October 20032004: 4 May 2004 to 17 September 20042005: 15 May 2005 to 5 October 20052007: 10 May 2007 to 11 October 20072008: 18 May 2008 to 23 September 20082009: 21 April 2009 to 17 October 20092010: 4 May 2010 to 2 October 20102015: 28 May 2015 to 2 October 20152016: 12 May 2016 to 20 September 20162017: 17 April 2017 to 18 October 20172018: 6 May 2018 to 30 September 20182019: 26 April 2019 to 19 September 20192021: 6 May 2021 to 22 September 20212022: 18 April 2022 to 18 September 20222023: 11 April 2023 to 22 October 20232024: 18 May 2024 to 27 October 20242026: 20 March 2026 to 19 September 202619611969197719851993200120102023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coronado Nmem meeting 30 C (86 F).
First to last qualifying date each year at Coronado Nmem
YearFirst dateLast date
19611961-04-041961-10-05
19621962-04-131962-10-09
19631963-04-131963-10-11
19641964-05-121964-10-09
19651965-04-201965-10-12
19661966-05-061966-09-25
19671967-05-081967-10-05
19681968-05-191968-10-29
19691969-04-211969-10-08
19701970-05-131970-09-25
19711971-04-101971-09-22
19721972-04-051972-10-16
19731973-05-071973-10-23
19741974-03-171974-10-02
19751975-05-101975-10-11
19761976-05-111976-09-21
19771977-05-271977-10-02
19781978-05-121978-10-15
19791979-05-051979-10-25
19801980-04-181980-10-11
19811981-05-101981-09-30
19821982-04-111982-10-03
19831983-05-221983-09-15
19841984-04-161984-09-21
19851985-04-131985-09-26
19861986-05-021986-09-18
19871987-04-171987-10-07
19881988-05-101988-09-17
19891989-03-111989-09-30
19901990-04-141990-09-13
19911991-05-251991-10-16
19921992-04-271992-10-12
19931993-04-211993-10-04
19941994-04-181994-09-30
19951995-05-311995-10-12
19961996-04-231996-10-13
19971997-05-031997-10-05
19981998-05-171998-10-13
19991999-05-071999-10-05
20002000-04-242000-10-07
20012001-05-012001-09-28
20022002-04-142002-09-26
20032003-05-122003-10-02
20042004-05-042004-09-17
20052005-05-152005-10-05
20072007-05-102007-10-11
20082008-05-182008-09-23
20092009-04-212009-10-17
20102010-05-042010-10-02
20152015-05-282015-10-02
20162016-05-122016-09-20
20172017-04-172017-10-18
20182018-05-062018-09-30
20192019-04-262019-09-19
20212021-05-062021-09-22
20222022-04-182022-09-18
20232023-04-112023-10-22
20242024-05-182024-10-27
20262026-03-202026-09-19

Every Fixed Threshold

Fixed thresholds at Coronado Nmem
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days591362024103
35 C (95 F): Days5952198027
40 C (104 F): Days9219741
90 F (32.2 C): Days5990198070
100 F (37.8 C): Days471619741
0 C (32 F): Ice days (max3219781
0 C (32 F): Frost days (min599019649
-10 C (14 F): Days with min19819711
20 C (68 F): Tropical nights (min5829202325
25 C (77 F): Days with min8219891
10 mm (0.39 in): Days with 10 mm or more rain6033197816
25 mm (0.98 in): Days with 25 mm or more rain58920008
50 mm (1.97 in): Days with 50 mm or more rain27320101
100 mm (3.94 in): Days with 100 mm or more rain1120001
10 cm (3.9 in): Days with 10 cm or more snowfall13319821
25 cm (9.8 in): Days with 25 cm or more snowfall1119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Coronado Nmem 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 (2026-10-17).