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Built 2026-10-17 (17 October 2026)

Twin Hills Post Office Threshold Days by Year

14 fixed thresholds counted per year at Twin Hills Post Office (ASN00036047): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Twin Hills Post Office Thresholds

  • Twin Hills Post Office: days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 1950 with 34.
  • Twin Hills Post Office: days with 25 mm (0.98 in) or more of precipitation in 79 years, most in 1917 with 18.
  • Twin Hills Post Office: days with 50 mm (1.97 in) or more of precipitation in 68 years, most in 1954 with 7.
  • Twin Hills Post Office: days with a maximum temperature at or above 30 C (86 F) in 15 years, most in 1980 with 232.
  • 14 fixed thresholds have at least one qualifying day at Twin Hills Post Office.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at Twin Hills Post Office Days per year at Twin Hills Post Office with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 232 in 1980. 01002003001966: 2071967: 2171968: 1801969: 2271970: 2191971: 2051972: 2091973: 2211978: 1931979: 2071980: 2321981: 2061982: 2171983: 2121984: 19519661968197019721978198019821984
Days per year at Twin Hills Post Office with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 232 in 1980.
Days at or above 30 C (86 F) per year at Twin Hills Post Office
YearDaysDecade average
1966207207.8
1967217207.8
1968180207.8
1969227207.8
1970219209
1971205209
1972209209
1973221209
1978193209
1979207209
1980232212.4
1981206212.4
1982217212.4
1983212212.4
1984195212.4
First to last qualifying date each year at Twin Hills Post Office For each year, a bar from the first to the last day at Twin Hills Post Office meeting 30 C (86 F). 1966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 31 December 19731978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 198419661968197019721978198019821984JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Twin Hills Post Office meeting 30 C (86 F).
First to last qualifying date each year at Twin Hills Post Office
YearFirst dateLast date
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-31
19711971-01-011971-12-31
19721972-01-011972-12-31
19731973-01-011973-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-12-31

Every Fixed Threshold

Fixed thresholds at Twin Hills Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days152321980195
35 C (95 F): Days15110198258
40 C (104 F): Days151619693
90 F (32.2 C): Days151891980112
100 F (37.8 C): Days1550196913
110 F (43.3 C): Days2219792
0 C (32 F): Frost days (min111819826
20 C (68 F): Tropical nights (min141371973124
25 C (77 F): Days with min142019737
10 mm (0.39 in): Days with 10 mm or more rain7934195018
25 mm (0.98 in): Days with 25 mm or more rain791819178
50 mm (1.97 in): Days with 50 mm or more rain68719542
100 mm (3.94 in): Days with 100 mm or more rain15219121
200 mm (7.87 in): Days with 200 mm or more rain2119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Twin Hills Post Office 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).