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

Bartlett Threshold Days by Year (USC00270390)

3 fixed thresholds counted per year at Bartlett (USC00270390): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bartlett Thresholds

  • Bartlett: days with 10 mm (0.39 in) or more of precipitation in 2 years, most in 1906 with 39.
  • Bartlett: days with 25 mm (0.98 in) or more of precipitation in 2 years, most in 1906 with 15.
  • Bartlett: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1904 with 2.
  • 3 fixed thresholds have at least one qualifying day at Bartlett.
2 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bartlett Days per year at Bartlett with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1906. 0102030401904: 311906: 3919041906
Days per year at Bartlett with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1906.
Days with 10 mm (0.39 in) or more of precipitation per year at Bartlett
YearDaysDecade average
19043135
19063935
First to last qualifying date each year at Bartlett For each year, a bar from the first to the last day at Bartlett meeting 10 mm (0.39 in). 1904: 9 January 1904 to 13 November 19041906: 4 January 1906 to 31 December 190619041906JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bartlett meeting 10 mm (0.39 in).
First to last qualifying date each year at Bartlett
YearFirst dateLast date
19041904-01-091904-11-13
19061906-01-041906-12-31

Every Fixed Threshold

Fixed thresholds at Bartlett
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain239190639
25 mm (0.98 in): Days with 25 mm or more rain215190615
50 mm (1.97 in): Days with 50 mm or more rain2219041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

  • Data for Bartlett 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).