DECEMBER 1996With almost twice (189.3%) the normal amount of sunshine this was the sunniest December recorded on Fair Isle. A cold (mean temperature 0.6 Celsius below avearage) month and, with pressure higher (+8.2mb) than normal, also dry (80.4%) and less windy than usual.
1996 Day 1974-95 1996 Day 1974-95
Mean Max Temperature 5.9 6.5 Highest Max temp 10.0 8 11.5
Mean Min Temperature 3.4 3.9 Lowest Min temp -1.8 31 -4.5
Mean Sea Temperature 8.3 8.1 Lowest grass minimum -4.5 21 -11.5
30 cm Earth temperature 4.7 5.8 Days with ground frost 11 9.1
100cm Earth temperature 6.0 6.8 Days with air frost 3 3.2
Total Rainfall (mm) 80.4 104.2 Days with snow/sleet 15 11.0
Wettest Day (mm) 13.2 1 14.3 Days snow cover at 09hr 1 3.4
Rain Days ( 0.1mm +) 22 25.7 Days with hail 10 13.0
Wet Days (0.9mm +) 16 20.5 Days fog during 24hrs 3 2.4
Total sunshine, hrs 31.1 16.4 Days with fog at 09hrs 0 0.3
Sunniest day, hrs 4.5 21 3.4 Days with NIL sun 12 15.7
Mean wind speed, kts 14.9 19.9 Days with gale 3 9.5
Maximum gust, kts 56 14 72.1 Days with thunder 0 0.5
Mean Sea Level pressure 1014.2 1006.0 Days with aurora 2 2.6
Wind Direction%
North 9.7 12.1 S. West 19.4 15.5
N. East 12.9 3.2 West 12.9 17.6
East 19.4 8.4 N. West 12.9 9.0
S. East 0.0 12.6
South 6.5 19.4 CALM 6.5 2.3
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