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Built 2026-10-19 (19 October 2026)

Reserve Rs Threshold Days by Year (USC00297386)

15 fixed thresholds counted per year at Reserve Rs (USC00297386): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Reserve Rs Thresholds

  • Reserve Rs: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1978 with 23.
  • Reserve Rs: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1978 with 4.
  • Reserve Rs: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1956 with 115.
  • Reserve Rs: days with a maximum temperature at or above 35 C (95 F) in 33 years, most in 1956 with 30.
  • 15 fixed thresholds have at least one qualifying day at Reserve Rs.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Reserve Rs Days per year at Reserve Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 115 in 1956. 0501001501955: 771956: 1151957: 711960: 911961: 681962: 731963: 621964: 701965: 691968: 541969: 611970: 611972: 501973: 731974: 781975: 581976: 361977: 671978: 791979: 701980: 801981: 621982: 661983: 641984: 521985: 591986: 491987: 511988: 441989: 941990: 642025: 1002026: 20195519611965197219761980198419882026
Days per year at Reserve Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 115 in 1956.
Days at or above 30 C (86 F) per year at Reserve Rs
YearDaysDecade average
19557787.7
195611587.7
19577187.7
19609168.5
19616868.5
19627368.5
19636268.5
19647068.5
19656968.5
19685468.5
19696168.5
19706163.6
19725063.6
19737363.6
19747863.6
19755863.6
19763663.6
19776763.6
19787963.6
19797063.6
19808062.1
19816262.1
19826662.1
19836462.1
19845262.1
19855962.1
19864962.1
19875162.1
19884462.1
19899462.1
19906464
202510060
20262060
First to last qualifying date each year at Reserve Rs For each year, a bar from the first to the last day at Reserve Rs meeting 30 C (86 F). 1955: 28 May 1955 to 30 September 19551956: 3 May 1956 to 6 October 19561957: 28 May 1957 to 30 September 19571960: 9 May 1960 to 26 September 19601961: 19 May 1961 to 28 August 19611962: 18 April 1962 to 19 September 19621963: 7 May 1963 to 29 September 19631964: 15 May 1964 to 6 September 19641965: 21 April 1965 to 24 October 19651968: 27 May 1968 to 10 September 19681969: 21 May 1969 to 30 September 19691970: 18 May 1970 to 13 September 19701972: 29 May 1972 to 30 August 19721973: 8 June 1973 to 21 September 19731974: 10 May 1974 to 13 September 19741975: 15 May 1975 to 2 September 19751976: 15 May 1976 to 9 September 19761977: 29 May 1977 to 30 September 19771978: 28 April 1978 to 1 October 19781979: 13 June 1979 to 11 October 19791980: 5 June 1980 to 6 October 19801981: 6 June 1981 to 29 September 19811982: 1 June 1982 to 27 September 19821983: 24 May 1983 to 16 September 19831984: 13 May 1984 to 14 September 19841985: 7 June 1985 to 12 September 19851986: 21 May 1986 to 7 September 19861987: 2 June 1987 to 11 September 19871988: 16 May 1988 to 27 September 19881989: 19 April 1989 to 2 October 19891990: 22 May 1990 to 17 September 19902025: 13 April 2025 to 19 September 20252026: 22 August 2026 to 14 September 20261955196219691975198019851990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Reserve Rs meeting 30 C (86 F).
First to last qualifying date each year at Reserve Rs
YearFirst dateLast date
19551955-05-281955-09-30
19561956-05-031956-10-06
19571957-05-281957-09-30
19601960-05-091960-09-26
19611961-05-191961-08-28
19621962-04-181962-09-19
19631963-05-071963-09-29
19641964-05-151964-09-06
19651965-04-211965-10-24
19681968-05-271968-09-10
19691969-05-211969-09-30
19701970-05-181970-09-13
19721972-05-291972-08-30
19731973-06-081973-09-21
19741974-05-101974-09-13
19751975-05-151975-09-02
19761976-05-151976-09-09
19771977-05-291977-09-30
19781978-04-281978-10-01
19791979-06-131979-10-11
19801980-06-051980-10-06
19811981-06-061981-09-29
19821982-06-011982-09-27
19831983-05-241983-09-16
19841984-05-131984-09-14
19851985-06-071985-09-12
19861986-05-211986-09-07
19871987-06-021987-09-11
19881988-05-161988-09-27
19891989-04-191989-10-02
19901990-05-221990-09-17
20252025-04-132025-09-19
20262026-08-222026-09-14

Every Fixed Threshold

Fixed thresholds at Reserve Rs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days33115195620
35 C (95 F): Days333019565
40 C (104 F): Days3219892
90 F (32.2 C): Days3378195613
100 F (37.8 C): Days15919905
0 C (32 F): Ice days (max16619604
0 C (32 F): Frost days (min31216197063
-10 C (14 F): Days with min318019564
-20 C (-4 F): Days with min14719877
-30 C (-22 F): Days with min2119601
10 mm (0.39 in): Days with 10 mm or more rain442319787
25 mm (0.98 in): Days with 25 mm or more rain35419782
50 mm (1.97 in): Days with 50 mm or more rain7119651
10 cm (3.9 in): Days with 10 cm or more snowfall14719871
25 cm (9.8 in): Days with 25 cm or more snowfall2119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Reserve Rs 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).