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Built 2026-10-19 (19 October 2026)

Imperial Beach Ream Fld NAS Threshold Days by Year (USW00093115)

9 fixed thresholds counted per year at Imperial Beach Ream Fld NAS (USW00093115): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Imperial Beach Ream Fld NAS Thresholds

  • Imperial Beach Ream Fld NAS: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1965 with 13.
  • Imperial Beach Ream Fld NAS: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1980 with 12.
  • Imperial Beach Ream Fld NAS: nights with a minimum temperature at or above 20 C (68 F) in 23 years, most in 1959 with 27.
  • Imperial Beach Ream Fld NAS: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1965 with 4.
  • 9 fixed thresholds have at least one qualifying day at Imperial Beach Ream Fld NAS.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Imperial Beach Ream Fld NAS Days per year at Imperial Beach Ream Fld NAS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1980. 051015201956: 21958: 41960: 11961: 31963: 21964: 21965: 51966: 31967: 21968: 31970: 21971: 11972: 11973: 21974: 51975: 11978: 41979: 11980: 121982: 41983: 42008: 162009: 42013: 12014: 82026: 8195619611965196819721975198020082014
Days per year at Imperial Beach Ream Fld NAS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1980.
Days at or above 30 C (86 F) per year at Imperial Beach Ream Fld NAS
YearDaysDecade average
195623
195843
196012.6
196132.6
196322.6
196422.6
196552.6
196632.6
196722.6
196832.6
197022.1
197112.1
197212.1
197322.1
197452.1
197512.1
197842.1
197912.1
1980126.7
198246.7
198346.7
20081610
2009410
201314.5
201484.5
202688
First to last qualifying date each year at Imperial Beach Ream Fld NAS For each year, a bar from the first to the last day at Imperial Beach Ream Fld NAS meeting 30 C (86 F). 1956: 9 November 1956 to 10 November 19561958: 7 September 1958 to 18 October 19581960: 5 October 1960 to 5 October 19601961: 4 September 1961 to 16 October 19611963: 25 September 1963 to 28 September 19631964: 19 October 1964 to 20 October 19641965: 1 October 1965 to 24 October 19651966: 25 October 1966 to 2 November 19661967: 15 October 1967 to 17 October 19671968: 23 September 1968 to 25 September 19681970: 27 September 1970 to 28 September 19701971: 6 October 1971 to 6 October 19711972: 22 August 1972 to 22 August 19721973: 27 September 1973 to 28 September 19731974: 15 October 1974 to 24 November 19741975: 24 September 1975 to 24 September 19751978: 22 September 1978 to 23 October 19781979: 18 September 1979 to 18 September 19791980: 23 June 1980 to 30 December 19801982: 24 September 1982 to 3 November 19821983: 10 September 1983 to 26 October 19832008: 20 June 2008 to 16 November 20082009: 3 February 2009 to 28 August 20092013: 6 October 2013 to 6 October 20132014: 16 March 2014 to 7 November 20142026: 27 February 2026 to 7 October 20261956196319671972197819832014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Imperial Beach Ream Fld NAS meeting 30 C (86 F).
First to last qualifying date each year at Imperial Beach Ream Fld NAS
YearFirst dateLast date
19561956-11-091956-11-10
19581958-09-071958-10-18
19601960-10-051960-10-05
19611961-09-041961-10-16
19631963-09-251963-09-28
19641964-10-191964-10-20
19651965-10-011965-10-24
19661966-10-251966-11-02
19671967-10-151967-10-17
19681968-09-231968-09-25
19701970-09-271970-09-28
19711971-10-061971-10-06
19721972-08-221972-08-22
19731973-09-271973-09-28
19741974-10-151974-11-24
19751975-09-241975-09-24
19781978-09-221978-10-23
19791979-09-181979-09-18
19801980-06-231980-12-30
19821982-09-241982-11-03
19831983-09-101983-10-26
20082008-06-202008-11-16
20092009-02-032009-08-28
20132013-10-062013-10-06
20142014-03-162014-11-07
20262026-02-272026-10-07

Every Fixed Threshold

Fixed thresholds at Imperial Beach Ream Fld NAS
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days261219808
35 C (95 F): Days8219641
90 F (32.2 C): Days20420141
0 C (32 F): Frost days (min5419712
20 C (68 F): Tropical nights (min2327195941
25 C (77 F): Days with min10n/a5
10 mm (0.39 in): Days with 10 mm or more rain341319654
25 mm (0.98 in): Days with 25 mm or more rain23419651
50 mm (1.97 in): Days with 50 mm or more rain4119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Imperial Beach Ream Fld NAS 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).