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Built 2026-10-19 (19 October 2026)

Mayhill Rs Threshold Days by Year (USC00295502)

15 fixed thresholds counted per year at Mayhill Rs (USC00295502): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mayhill Rs Thresholds

  • Mayhill Rs: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1941 with 32.
  • Mayhill Rs: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1941 with 11.
  • Mayhill Rs: days with 10 cm (3.9 in) or more of snowfall in 40 years, most in 1931 with 8.
  • Mayhill Rs: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1970 with 187.
  • 15 fixed thresholds have at least one qualifying day at Mayhill Rs.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Mayhill Rs Days per year at Mayhill Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1951. 0204060801942: 151943: 331944: 301945: 371946: 461947: 601948: 461949: 151950: 231951: 741952: 441953: 661954: 411955: 261958: 691959: 301960: 411961: 221962: 211963: 261964: 441965: 201966: 171967: 201968: 181969: 321970: 81971: 181972: 191973: 111974: 311975: 1219421946195019541960196419681972
Days per year at Mayhill Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1951.
Days at or above 30 C (86 F) per year at Mayhill Rs
YearDaysDecade average
19421535.3
19433335.3
19443035.3
19453735.3
19464635.3
19476035.3
19484635.3
19491535.3
19502346.6
19517446.6
19524446.6
19536646.6
19544146.6
19552646.6
19586946.6
19593046.6
19604126.1
19612226.1
19622126.1
19632626.1
19644426.1
19652026.1
19661726.1
19672026.1
19681826.1
19693226.1
1970816.5
19711816.5
19721916.5
19731116.5
19743116.5
19751216.5
First to last qualifying date each year at Mayhill Rs For each year, a bar from the first to the last day at Mayhill Rs meeting 30 C (86 F). 1942: 31 May 1942 to 30 July 19421943: 26 May 1943 to 12 September 19431944: 9 June 1944 to 14 August 19441945: 25 May 1945 to 7 September 19451946: 4 June 1946 to 24 August 19461947: 3 May 1947 to 24 September 19471948: 15 May 1948 to 6 September 19481949: 14 June 1949 to 31 August 19491950: 30 May 1950 to 24 August 19501951: 25 May 1951 to 26 September 19511952: 7 May 1952 to 19 September 19521953: 21 May 1953 to 27 September 19531954: 6 May 1954 to 20 September 19541955: 7 June 1955 to 21 September 19551958: 27 May 1958 to 2 September 19581959: 12 May 1959 to 5 September 19591960: 13 May 1960 to 29 August 19601961: 30 May 1961 to 10 August 19611962: 11 June 1962 to 30 August 19621963: 15 June 1963 to 26 July 19631964: 16 May 1964 to 2 September 19641965: 21 April 1965 to 20 July 19651966: 30 May 1966 to 9 August 19661967: 8 May 1967 to 1 August 19671968: 29 May 1968 to 4 September 19681969: 19 May 1969 to 17 August 19691970: 13 June 1970 to 14 July 19701971: 24 June 1971 to 22 July 19711972: 19 June 1972 to 1 August 19721973: 11 June 1973 to 24 August 19731974: 14 May 1974 to 10 September 19741975: 5 June 1975 to 27 June 197519421946195019541960196419681972JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mayhill Rs meeting 30 C (86 F).
First to last qualifying date each year at Mayhill Rs
YearFirst dateLast date
19421942-05-311942-07-30
19431943-05-261943-09-12
19441944-06-091944-08-14
19451945-05-251945-09-07
19461946-06-041946-08-24
19471947-05-031947-09-24
19481948-05-151948-09-06
19491949-06-141949-08-31
19501950-05-301950-08-24
19511951-05-251951-09-26
19521952-05-071952-09-19
19531953-05-211953-09-27
19541954-05-061954-09-20
19551955-06-071955-09-21
19581958-05-271958-09-02
19591959-05-121959-09-05
19601960-05-131960-08-29
19611961-05-301961-08-10
19621962-06-111962-08-30
19631963-06-151963-07-26
19641964-05-161964-09-02
19651965-04-211965-07-20
19661966-05-301966-08-09
19671967-05-081967-08-01
19681968-05-291968-09-04
19691969-05-191969-08-17
19701970-06-131970-07-14
19711971-06-241971-07-22
19721972-06-191972-08-01
19731973-06-111973-08-24
19741974-05-141974-09-10
19751975-06-051975-06-27

Every Fixed Threshold

Fixed thresholds at Mayhill Rs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3274195112
35 C (95 F): Days7419512
90 F (32.2 C): Days323919512
0 C (32 F): Ice days (max24819513
0 C (32 F): Frost days (min331871970162
-10 C (14 F): Days with min3335194722
-20 C (-4 F): Days with min12519703
20 C (68 F): Tropical nights (min1119511
10 mm (0.39 in): Days with 10 mm or more rain563219418
25 mm (0.98 in): Days with 25 mm or more rain511119412
50 mm (1.97 in): Days with 50 mm or more rain21319411
100 mm (3.94 in): Days with 100 mm or more rain1119311
10 cm (3.9 in): Days with 10 cm or more snowfall40819311
25 cm (9.8 in): Days with 25 cm or more snowfall10319311
50 cm (19.7 in): Days with 50 cm or more snowfall1119371

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Mayhill 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 (2025-12-31).