JANUARY 1997
Normally a very stormy month, this was Fair Isle's calmest January on record. The monthly mean wind speed of 14.0 kts (monthly ave. 21.5 kts) is a value to be expected only during the summer months.
Unlike the rest of the UK, it was a mild month with a mean daily temperature of 5.4° Celsius, 1.0° above the long-term mean. Also dry (57.6%) and sunny (148.5%) it was not a typical winter month for Fair Isle!
 | Daily Data |
1997 Day 1974-96 1997 Day 1974-96
Mean Max Temperature 6.5 5.8 Highest Max temp 10.3 13 10.7
Mean Min Temperature 4.3 3.1 Lowest Min temp 0.6 3 -4.5
Mean Sea Temperature 7.5 7.1 Lowest grass minimum -5.5 1 -10.2
30 cm Earth temperature 4.4 4.6 Days with ground frost 8 11.4
100cm Earth temperature 5.2 5.6 Days with air frost 0 5.0
Total Rainfall (mm) 58.6 101.7 Days with snow/sleet 4 14.0
Wettest Day (mm) 27.0 11 15.0 Days snow cover at 09hr 0 5.0
Rain Days ( 0.1mm +) 20 25.7 Days with hail 7 14.7
Wet Days (0.9mm +) 13 19.3 Days fog during 24hrs 2 3.4
Total sunshine, hrs 38.4 25.9 Days with fog at 09hrs 0 0.4
Sunniest day, hrs 6.8 31 4.3 Days with NIL sun 10 14.5
Mean wind speed, kts 14.0 21.5 Days with gale 3 12.0
Maximum gust, kts 51 13 77.3 Days with thunder 0 1.1
Mean Sea Level pressure 1019.5 1005.3 Days with aurora 0 3.7
Wind Direction%
North 9.7 10.3 S. West 22.6 16.7
N. East 6.5 5.4 West 16.1 19.2
East 3.2 8.1 N. West 12.9 9.7
S. East 3.2 12.1
South 25.8 18.3 CALM 0.0 1.2
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