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

Smyrna 6S Threshold Days by Year (USC00408414)

15 fixed thresholds counted per year at Smyrna 6S (USC00408414): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Smyrna 6S Thresholds

  • Smyrna 6S: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 2009 with 59.
  • Smyrna 6S: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1954 with 21.
  • Smyrna 6S: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 2010 with 8.
  • Smyrna 6S: days with a maximum temperature at or above 30 C (86 F) in 11 years, most in 2007 with 123.
  • 15 fixed thresholds have at least one qualifying day at Smyrna 6S.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Smyrna 6S Days per year at Smyrna 6S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 2007. 0501001501999: 802000: 892001: 622002: 1032003: 742005: 862006: 892007: 1232008: 972009: 622010: 114199920012003200620082010
Days per year at Smyrna 6S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 2007.
Days at or above 30 C (86 F) per year at Smyrna 6S
YearDaysDecade average
19998080
20008987.2
20016287.2
200210387.2
20037487.2
20058687.2
20068987.2
200712387.2
20089787.2
20096287.2
2010114114
First to last qualifying date each year at Smyrna 6S For each year, a bar from the first to the last day at Smyrna 6S meeting 30 C (86 F). 1999: 30 May 1999 to 29 September 19992000: 7 May 2000 to 21 September 20002001: 11 April 2001 to 24 September 20012002: 17 April 2002 to 3 October 20022003: 30 April 2003 to 27 September 20032005: 12 May 2005 to 20 October 20052006: 15 April 2006 to 6 October 20062007: 1 May 2007 to 9 October 20072008: 24 May 2008 to 30 September 20082009: 26 April 2009 to 13 September 20092010: 6 April 2010 to 12 October 2010199920012003200620082010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Smyrna 6S meeting 30 C (86 F).
First to last qualifying date each year at Smyrna 6S
YearFirst dateLast date
19991999-05-301999-09-29
20002000-05-072000-09-21
20012001-04-112001-09-24
20022002-04-172002-10-03
20032003-04-302003-09-27
20052005-05-122005-10-20
20062006-04-152006-10-06
20072007-05-012007-10-09
20082008-05-242008-09-30
20092009-04-262009-09-13
20102010-04-062010-10-12

Every Fixed Threshold

Fixed thresholds at Smyrna 6S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days111232007114
35 C (95 F): Days932200725
40 C (104 F): Days1520075
90 F (32.2 C): Days1174200773
100 F (37.8 C): Days62120071
0 C (32 F): Ice days (max1121201021
0 C (32 F): Frost days (min111122010112
-10 C (14 F): Days with min1121201021
-20 C (-4 F): Days with min1220032
20 C (68 F): Tropical nights (min1156201056
10 mm (0.39 in): Days with 10 mm or more rain2559200934
25 mm (0.98 in): Days with 25 mm or more rain2521195416
50 mm (1.97 in): Days with 50 mm or more rain23820108
100 mm (3.94 in): Days with 100 mm or more rain6220102
10 cm (3.9 in): Days with 10 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 1999.

Download the Data

  • Data for Smyrna 6S 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).