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

Greensboro Lock 7 Threshold Days by Year (USC00363503)

16 fixed thresholds counted per year at Greensboro Lock 7 (USC00363503): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greensboro Lock 7 Thresholds

  • Greensboro Lock 7: days with 10 mm (0.39 in) or more of precipitation in 98 years, most in 1890 with 57.
  • Greensboro Lock 7: days with 25 mm (0.98 in) or more of precipitation in 98 years, most in 1890 with 20.
  • Greensboro Lock 7: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1941 with 4.
  • Greensboro Lock 7: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 1963 with 6.
  • 16 fixed thresholds have at least one qualifying day at Greensboro Lock 7.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Greensboro Lock 7 Days per year at Greensboro Lock 7 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1898. 0204060801897: 641898: 771899: 541900: 761897189818991900
Days per year at Greensboro Lock 7 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1898.
Days at or above 30 C (86 F) per year at Greensboro Lock 7
YearDaysDecade average
18976465
18987765
18995465
19007676
First to last qualifying date each year at Greensboro Lock 7 For each year, a bar from the first to the last day at Greensboro Lock 7 meeting 30 C (86 F). 1897: 29 April 1897 to 16 October 18971898: 1 May 1898 to 4 October 18981899: 29 April 1899 to 11 September 18991900: 1 June 1900 to 7 October 19001897189818991900JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greensboro Lock 7 meeting 30 C (86 F).
First to last qualifying date each year at Greensboro Lock 7
YearFirst dateLast date
18971897-04-291897-10-16
18981898-05-011898-10-04
18991899-04-291899-09-11
19001900-06-011900-10-07

Every Fixed Threshold

Fixed thresholds at Greensboro Lock 7
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days477189876
35 C (95 F): Days41818973
40 C (104 F): Days1118971
90 F (32.2 C): Days440189739
100 F (37.8 C): Days2218972
0 C (32 F): Ice days (max446190046
0 C (32 F): Frost days (min11141898114
-10 C (14 F): Days with min119189819
-20 C (-4 F): Days with min1718987
20 C (68 F): Tropical nights (min112189812
10 mm (0.39 in): Days with 10 mm or more rain9857189044
25 mm (0.98 in): Days with 25 mm or more rain9820189012
50 mm (1.97 in): Days with 50 mm or more rain49419412
10 cm (3.9 in): Days with 10 cm or more snowfall35619633
25 cm (9.8 in): Days with 25 cm or more snowfall8219602
50 cm (19.7 in): Days with 50 cm or more snowfall1119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

  • Data for Greensboro Lock 7 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).