Wet with temperatures slightly above normal. The first lying snow in November for 15 years. Temperatures
Temperatures during November 2008 in Morden were slightly above the 20-year average. The average maximum was 10.7 Celsius (51F), and that was 0.6 degrees Celsius (0.8F) below average, making it the 7th successive month with below average maxima, but the average minimum temperature was 6.0 Celsius (43F), and that was about 1 degree Celsius (1.8F) above average.
The highest temperature recorded in November was 15.2 Celsius (60F). That maximum, recorded on the 15th, was 0.3 Celsius milder than the previous day, and a degree warmer than the high on the 20th. Apart from the first day of the month, when the high was only 8.3 Celsius (47F), the temperature exceeded 10 Celsius (50F) on every day until the 22nd. Thereafter, the 27th was the only day when 10 Celsius was bettered. Maxima during the last week of November were typically between 6 and 8 Celsius (43-46F), but the top temperature on the 29th was only 4.9 Celsius (41F).
There were 3 nights when the minimum temperature was above 10 Celsius (50F), the consecutive nights beginning on the 13th/14th. The mildest night was the 15th/16th with a low of 11.8 Celsius (53F). The opening night of the month had a minimum temperature below 3 Celsius (37F), but the other 6 cold nights all occurred after mid month. On 2 occasions the temperature dipped below freezing, and before dawn on the 23rd a low of minus 3.0 Celsius (27F) was recorded.
Frost
There were 2 air frosts in November, that's 3 fewer than average and half the number that occurred during October. The night of the 22nd/23rd was the frostiest night, but a slight air frost occurred on the night of the 25th/26th. There were 7 grass frosts with 4 of these occurring between the 22nd and 26th. Early on the 23rd, the grass minimum temperature fell to minus 5.9 Celsius (21F).
Rain
Measurable rain fell on 21 days during November, and that's 5 days above the average for the month. A total of 12 'wet' days (more than 1mm/0.04ins) occurred, and that's 2 days above normal. The total rainfall for the month, 89.3mm (3.5ins), was nearly 50% above average for the month. The wettest weather occurred during the first 10 days with over 67mm (2.6ins) measured. This included nearly 17mm (0.7ins) on the 1st, over 19mm (0.8ins) on the 8th, and 23.9 mm (nearly 1in) on the 10th.
Thunderstorms
No thunderstorms were reported.
Hail
No hail was reported.
Snow
Snow fell from around dawn on the 23rd but turned to drizzle by mid morning. It settled on most surfaces to a depth of 1cm, making it the first lying snow in November for 15 years. Wind
Winds were mainly gentle or moderate north to northeasterly during the first 5 days, before swinging southerly on the 6th. Fresh or strong south to southwesterlies occurred at the beginning of the second week, and on the 9th a gust of 36 knots (41mph) was recorded. During the second half of November, winds veered west or northwest, mostly moderate or fresh, but lighter and cyclonic variable at times during the last few days.
