Annual Summary for 2011
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December 2011
A mild month with 8th highest mean temp in 56 years records, and setting a
new rcord for highest lo-min temp -1.1C, beating the previous record -1.2C in 1972. Temperatures normal until 12th, then cool spell before becoming mild from 22nd to 31st. Rainfall slightly below normal, most falling 12th-13th and 31st. No snowfall (true of about half the years) or fog reported (more unusually as only 9 years have not had any). With it being mild, there have been few air frosts, only 3 reported making it the 5th fewest in 56 years, and 8 ground frosts which is the 7th fewest. Some sunshine on 14 days, 17 remained sunless.
3 air frosts on 17-19, and 8 ground frosts on 2, 5-6, 10, 14 and 17-19
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TEMPERATURES
8.3 mean max (C)
+1.4 diff from av (C)
3.2 mean min (C)
+1.6 diff from av (C)
5.7 mean (C)
+1.4 diff from av (C)
12.2 high max (C) on 8,21
3.9 low max (C) on 16
9.8 high min (C) on 26
-1.1 low min (C) on 19
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