Charlotte, N.C. Weather Records (Daily)
First official records started 1878...
Airport observations started 1948...
My observations started 1 April 1975...
If you find mistakes, have the official data, or have questions, contact Mr. Patterson at ronaldpatterson@windstream.net .
Please provide the source of your information.
| High Temperature | 104 F. | 6 September 1954 9 August 2007 10 August 2007 29 June 2012 30 June 2012 1 July 2012 |
absolute maximum (official) |
| Low Temperature | -5 F. | 21 January 1985 30 December 1880 14 February 1899 |
absolute minimum (official) |
| Low Max. Temperature | 14 F. | 12 February 1899 13 February 1899 |
Official
|
| High Min. Temperature | 82 F. | 13 August 1881 |
Official
|
| High Dew Point | 78 F. | 22 July 1982 | my observations (airport ATIS)** (not official) |
| Low Dew Point | -30 F. | 21 January 1985, 1:00 am 20 January 1985, 11:00 pm |
airport ATIS (likely official) |
| Chill Factor (gust) | -21.2 F. (new formula) | 21 January 1985 | -3 F. and 12 mph sustained (airport ATIS) (likely official) |
| Wind Gust (straight line) |
87 mph | 22 September 1989 |
Hurricane Hugo |
| Wind Gust (thunderstorm) | 64 mph | 26 January 1978 | not official (Charlotte) |
| Wind Gust (thunderstorm) | 71 mph | 27 June 2000 | Mooresville (my ob. with a Weather Monitor II) |
| High Barometric Pressure | 30.97" | 13 February 1981 | airport ATIS (likely official) |
| Low Barometric Pressure | 28.69" | 13 March 1993 (13L) | absolute min. (The
Superstorm) (likely official) |
| Low Relative Humidity |
11% | 16 December 1991 | airport NOAA radio (not official) |
| Severe Thunderstorm Surface
Potential Index (SPOT) |
125 | 28 March 1984 (1350Z) | Temp.=62F., Dew Point=55F., Wind S-16G22, SLP=29.21". (Killer Tornadoes hit Raleigh; official records probably not kept) see: N.C. Tornado Outbreak |
| Snowfall (24h.) | 16.5" | 14-15 February 1902 | 24h. accumulation (official) |
| Rainfall (24h.) | 6.88" | 23 July 1997 | Remains of H. Danny (official) |
| Earliest Snow on Ground | Trace | 31 October 1887 | Official |
| Latest Snowfall | Trace | 28 April 1928 | Official |
| Greatest November Depth | 2.5" | 19 November 2000 | Official |
| Earliest Freeze | 31 F. | 9 October 2000 | Official |
| Latest Freeze | 32 F. | 2 May 1963 | Official |
| Longest 90F.+ Streak | 33 Days | 28 June-30 July 1993 | Official |
| Longest streak with no
measurable precipitation |
40 Days | 16 Sept.-26 Oct.1886 | Official |
| Longest streak with measurable precipitation |
16 days | Ending 30 August 1906 | Official |
NCDC = National Climatic Data Center ( Asheville, NC). ATIS = Airport Terminal Information Service (Charlotte Douglas International)