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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Mandalee Threshold Days by Year (ASN00031138)

5 fixed thresholds counted per year at Mandalee (ASN00031138): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mandalee Thresholds

  • Mandalee: days with 10 mm (0.39 in) or more of precipitation in 11 years, most in 1959 with 31.
  • Mandalee: days with 25 mm (0.98 in) or more of precipitation in 11 years, most in 1963 with 14.
  • Mandalee: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1967 with 6.
  • Mandalee: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1967 with 3.
  • 5 fixed thresholds have at least one qualifying day at Mandalee.
11 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mandalee Days per year at Mandalee with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1959. 0102030401959: 311960: 211961: 101962: 171963: 281964: 241965: 161966: 91967: 221968: 241969: 16195919611963196519671969
Days per year at Mandalee with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1959.
Days with 10 mm (0.39 in) or more of precipitation per year at Mandalee
YearDaysDecade average
19593131
19602118.7
19611018.7
19621718.7
19632818.7
19642418.7
19651618.7
1966918.7
19672218.7
19682418.7
19691618.7
First to last qualifying date each year at Mandalee For each year, a bar from the first to the last day at Mandalee meeting 10 mm (0.39 in). 1959: 3 January 1959 to 30 December 19591960: 17 January 1960 to 28 December 19601961: 3 January 1961 to 10 November 19611962: 6 January 1962 to 30 December 19621963: 6 January 1963 to 20 December 19631964: 4 January 1964 to 10 December 19641965: 30 January 1965 to 16 December 19651966: 5 January 1966 to 9 November 19661967: 21 January 1967 to 16 December 19671968: 11 January 1968 to 26 December 19681969: 4 January 1969 to 19 December 1969195919611963196519671969JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mandalee meeting 10 mm (0.39 in).
First to last qualifying date each year at Mandalee
YearFirst dateLast date
19591959-01-031959-12-30
19601960-01-171960-12-28
19611961-01-031961-11-10
19621962-01-061962-12-30
19631963-01-061963-12-20
19641964-01-041964-12-10
19651965-01-301965-12-16
19661966-01-051966-11-09
19671967-01-211967-12-16
19681968-01-111968-12-26
19691969-01-041969-12-19

Every Fixed Threshold

Fixed thresholds at Mandalee
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1131195916
25 mm (0.98 in): Days with 25 mm or more rain111419637
50 mm (1.97 in): Days with 50 mm or more rain10619672
100 mm (3.94 in): Days with 100 mm or more rain2319673
200 mm (7.87 in): Days with 200 mm or more rain1219672

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Mandalee 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).