Tideswell, Derbyshire - September 2018
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Note: Anomalies (in brackets) refer to the 2009-2018 averages.


Mean max: 16.4 (-0.1)
Mean min: 8.3 (-0.4)
Mean temp: 12.3 (-0.3)

Highest max: 24.4 (+1.4) (2nd)
Lowest max: 10.7 (-0.9) (21st, 22nd)

Lowest min: 0.7 (-2.4) (25th)
Highest min: 13.3 (-0.7) (2nd)
Lowest grass: -2.7 (-2.5) (25th)

Air frosts: 0 (0)
Ground frosts: 4 (+3)

Days with max 20.0-24.9: 6 (+2)
Days with max 15.0-19.9: 13 (-3)
Days with max 10.0-14.9: 11 (+2)

Frost duration: 0.0 hours (0.0)

Total rainfall: 133.7 mm (169%)
Wettest rainfall day (09-09z) 76.4 mm (-55.6) (20th)
Rain days (0.2 mm or more): 17 (-1)
Wet days (1.0 mm or more): 12 (-1)

Days with snow/sleet falling: 0 (0)
Days with 50%+ snow cover at 09z: 0 (0)
Deepest at 0900z 0 cm (0)
Eden Snow Index: 0 cm/days (0)

Total sunshine: 105.4 hours (121%)
Sunniest day: 9.8 hours (+1.3) (24th, 25th)
Days with no sun: 5 (+2)

Days with thunder heard: 0 (0)
Days with hail: 0 (0)
Days with fog at 0900z: 0 (-1)

Mean wind speed: 4.8 knots (+0.9)
Highest 10-min mean wind: 21 kt from S (+4) (20th)
Max gust: 42 knots (+10) (19th)
Days with gale: 0 (0)

Wind direction at 0900z
-----------------------
N:1 NNE:0 NE:0 ENE:0 E:0 ESE:0 SE:1 SSE:1
S:7 SSW:7 SW:4 WSW:0 W:3 WNW:3 NW:1 NNW:2
CALM:0

Remarks
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Taken overall, it was a very wet and very sunny month relative to
average, with temperatures very marginally below average. The most
notable event was the rainfall on the 20th. The 24-hour total from
0900z on the 20th to 0900z on the 21st was 76.4 mm, including 71.1 mm
falling in 12 hours between 1100z and 2300z on the 20th. It was the
wettest September in my 10-year record and second sunniest. The max
gust of 42 knots was the highest September gust I have recorded. The
24th and 25th were the 2 sunniest days I have recorded in September.

--
Norman Lynagh
Tideswell, Derbyshire
303m a.s.l.