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

Harlan Threshold Days by Year (USC00153622)

10 fixed thresholds counted per year at Harlan (USC00153622): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harlan Thresholds

  • Harlan: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 1932 with 84.
  • Harlan: nights with a minimum temperature at or below -10 C (14 F) in 3 years, most in 1932 with 8.
  • Harlan: nights with a minimum temperature at or above 20 C (68 F) in 3 years, most in 1932 with 25.
  • Harlan: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 1932 with 44.
  • 10 fixed thresholds have at least one qualifying day at Harlan.
3 years with a qualifying day
Nights at or below 0 C (32 F) per year at Harlan Days per year at Harlan with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 84 in 1932. 0501001501930: 1111931: 811932: 84193019311932
Days per year at Harlan with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 84 in 1932.
Nights at or below 0 C (32 F) per year at Harlan
YearDaysDecade average
193011192
19318192
19328492
First to last qualifying date each year at Harlan For each year, a bar from the first to the last day at Harlan meeting 0 C (32 F). 1930: 1 January 1930 to 31 December 19301931: 1 January 1931 to 28 December 19311932: 4 January 1932 to 21 December 1932193019311932JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Harlan meeting 0 C (32 F).
First to last qualifying date each year at Harlan
YearFirst dateLast date
19301930-01-011930-12-31
19311931-01-011931-12-28
19321932-01-041932-12-21

Every Fixed Threshold

Fixed thresholds at Harlan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days254193254
35 C (95 F): Days2319323
90 F (32.2 C): Days218193118
0 C (32 F): Ice days (max2519325
0 C (32 F): Frost days (min384193284
-10 C (14 F): Days with min3819328
20 C (68 F): Tropical nights (min325193225
10 mm (0.39 in): Days with 10 mm or more rain344193244
25 mm (0.98 in): Days with 25 mm or more rain315193215
50 mm (1.97 in): Days with 50 mm or more rain2319323

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

  • Data for Harlan 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).