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Data as of 2026-10-14
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Built 2026-10-19 (19 October 2026)

Petersburg 1E Threshold Days by Year (USC00116765)

15 fixed thresholds counted per year at Petersburg 1E (USC00116765): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Petersburg 1E Thresholds

  • Petersburg 1E: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1993 with 48.
  • Petersburg 1E: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 2015 with 15.
  • Petersburg 1E: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 2008 with 7.
  • Petersburg 1E: days with 10 cm (3.9 in) or more of snowfall in 14 years, most in 1999 with 3.
  • 15 fixed thresholds have at least one qualifying day at Petersburg 1E.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Petersburg 1E Days per year at Petersburg 1E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 2018. 0204060802015: 332016: 552017: 552018: 722019: 502020: 572021: 562022: 532023: 562024: 562025: 692026: 49201520172019202120232025
Days per year at Petersburg 1E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 2018.
Days at or above 30 C (86 F) per year at Petersburg 1E
YearDaysDecade average
20153353
20165553
20175553
20187253
20195053
20205756.6
20215656.6
20225356.6
20235656.6
20245656.6
20256956.6
20264956.6
First to last qualifying date each year at Petersburg 1E For each year, a bar from the first to the last day at Petersburg 1E meeting 30 C (86 F). 2015: 8 June 2015 to 18 September 20152016: 7 June 2016 to 18 October 20162017: 19 May 2017 to 15 October 20172018: 2 May 2018 to 4 October 20182019: 17 May 2019 to 30 September 20192020: 9 April 2020 to 27 September 20202021: 25 May 2021 to 1 October 20212022: 11 May 2022 to 22 October 20222023: 8 May 2023 to 4 October 20232024: 15 April 2024 to 13 October 20242025: 16 May 2025 to 7 October 20252026: 11 March 2026 to 19 September 2026201520172019202120232025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Petersburg 1E meeting 30 C (86 F).
First to last qualifying date each year at Petersburg 1E
YearFirst dateLast date
20152015-06-082015-09-18
20162016-06-072016-10-18
20172017-05-192017-10-15
20182018-05-022018-10-04
20192019-05-172019-09-30
20202020-04-092020-09-27
20212021-05-252021-10-01
20222022-05-112022-10-22
20232023-05-082023-10-04
20242024-04-152024-10-13
20252025-05-162025-10-07
20262026-03-112026-09-19

Every Fixed Threshold

Fixed thresholds at Petersburg 1E
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1272201849
35 C (95 F): Days6520231
90 F (32.2 C): Days1234202518
0 C (32 F): Ice days (max1245202223
0 C (32 F): Frost days (min11145201867
-10 C (14 F): Days with min1148202223
-20 C (-4 F): Days with min10920185
20 C (68 F): Tropical nights (min1147202138
25 C (77 F): Days with min6420221
10 mm (0.39 in): Days with 10 mm or more rain3148199323
25 mm (0.98 in): Days with 25 mm or more rain3115201512
50 mm (1.97 in): Days with 50 mm or more rain26720083
100 mm (3.94 in): Days with 100 mm or more rain2220082
10 cm (3.9 in): Days with 10 cm or more snowfall14319991
25 cm (9.8 in): Days with 25 cm or more snowfall1120221

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2015.

Download the Data

  • Data for Petersburg 1E 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 (2026-10-14).