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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Union City Filtration Plt Threshold Days by Year (USC00369042)

14 fixed thresholds counted per year at Union City Filtration Plt (USC00369042): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Union City Filtration Plt Thresholds

  • Union City Filtration Plt: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1990 with 58.
  • Union City Filtration Plt: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 2019 with 15.
  • Union City Filtration Plt: days with 10 cm (3.9 in) or more of snowfall in 62 years, most in 1995 with 15.
  • Union City Filtration Plt: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 2022 with 4.
  • 14 fixed thresholds have at least one qualifying day at Union City Filtration Plt.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Union City Filtration Plt Days per year at Union City Filtration Plt with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 2025. 01020302013: 132014: 42015: 172016: 232017: 82018: 242019: 142020: 212021: 162022: 192023: 82024: 152025: 262026: 122013201520172019202120232025
Days per year at Union City Filtration Plt with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 2025.
Days at or above 30 C (86 F) per year at Union City Filtration Plt
YearDaysDecade average
20131314.7
2014414.7
20151714.7
20162314.7
2017814.7
20182414.7
20191414.7
20202116.7
20211616.7
20221916.7
2023816.7
20241516.7
20252616.7
20261216.7
First to last qualifying date each year at Union City Filtration Plt For each year, a bar from the first to the last day at Union City Filtration Plt meeting 30 C (86 F). 2013: 22 May 2013 to 12 September 20132014: 14 May 2014 to 6 September 20142015: 9 May 2015 to 9 September 20152016: 29 May 2016 to 11 September 20162017: 14 June 2017 to 28 September 20172018: 29 May 2018 to 22 September 20182019: 20 May 2019 to 2 October 20192020: 26 May 2020 to 10 September 20202021: 21 May 2021 to 29 August 20212022: 22 May 2022 to 4 September 20222023: 2 June 2023 to 8 September 20232024: 21 May 2024 to 30 August 20242025: 5 June 2025 to 17 August 20252026: 19 May 2026 to 19 July 20262013201520172019202120232025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Union City Filtration Plt meeting 30 C (86 F).
First to last qualifying date each year at Union City Filtration Plt
YearFirst dateLast date
20132013-05-222013-09-12
20142014-05-142014-09-06
20152015-05-092015-09-09
20162016-05-292016-09-11
20172017-06-142017-09-28
20182018-05-292018-09-22
20192019-05-202019-10-02
20202020-05-262020-09-10
20212021-05-212021-08-29
20222022-05-222022-09-04
20232023-06-022023-09-08
20242024-05-212024-08-30
20252025-06-052025-08-17
20262026-05-192026-07-19

Every Fixed Threshold

Fixed thresholds at Union City Filtration Plt
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1426202512
90 F (32.2 C): Days8720255
0 C (32 F): Ice days (max1466201440
0 C (32 F): Frost days (min13164202589
-10 C (14 F): Days with min1359201438
-20 C (-4 F): Days with min919201511
-30 C (-22 F): Days with min1120151
20 C (68 F): Tropical nights (min111020183
10 mm (0.39 in): Days with 10 mm or more rain6758199035
25 mm (0.98 in): Days with 25 mm or more rain6715201910
50 mm (1.97 in): Days with 50 mm or more rain39420221
100 mm (3.94 in): Days with 100 mm or more rain3119941
10 cm (3.9 in): Days with 10 cm or more snowfall621519954
25 cm (9.8 in): Days with 25 cm or more snowfall28219711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2013.

Download the Data

  • Data for Union City Filtration Plt 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 (2026-10-17).