Table 1.16 Weather Statistics
for the Annular Solar Eclipse of
2003 May 31

% Frequency of
Location Latitude Longitude Clear Scattered Broken Overcast & Obscured Probability % hours with cloud< 0.3 & vis >2 Monthly pcpn (mm) % observations with precipitation % observations with fog Mean Wind Prevailing direction Tmax (C) Tmin (C)
                               
Greenland                              
Angmagssalik 65.60 -37.63 10.0 18.7 17.3 53.9 0.27 17 58.4 38.0 15.5 11.1 vrbl 3 -2
Danmarkshaun 76.77 -18.67 19.6 26.3 17.7 36.4 0.42 30 5.1 22.1 18.9 10.0 W -4 -9
Egedesminde * 68.70 -52.75 4.8 24.4 32.5 38.2 0.30 11 15.2 20.7 5.2 5.8 W 0 -4
Frederiskshab 62.00 -43.72 6.4 16.4 13.9 63.2 0.21 11   30.9 14.0 6.1 NW 3 -1
Godthab 64.17 -51.75 6.2 19.1 21.8 52.9 0.25 12 43.2 37.4 11.1 10.3 S 2 -2
Holsteinsborg 66.92 -53.67 13.5 21.1 20.7 44.8 0.33 21   24.3 5.4 5.0 ENE 2 -3
Jakobshavn * 69.25 -51.07 11.4 20.0 42.9 25.8 0.37 11   23.4 8.4 4.6 S 0 -4
Julianehab 60.72 -46.05 12.8 20.5 19.1 47.6 0.32 19   28.8 8.8 5.6 calm 6 1
Narssarssuaq 60.18 -45.42 6.7 25.9 28.1 39.2 0.32 19   33.7 2.2 6.7 ENE 8 2
Prins Christian 60.03 -43.12 14.8 20.1 16.7 48.4 0.33 22 177.8 31.1 5.6 12.1 N 3 0
Sonder Stromfjord 67.00 -50.80 7.8 29.6 42.2 20.4 0.40 20 12.7 21.5 0.2 6.9 ENE 6 -2
Upernavik 72.78 -56.17 12.2 25.8 22.9 39.1 0.36 21   18.4 4.4 5.5 calm -2 -6
                               
Iceland                              
Akureyri* 65.68 -18.08 3.0 18.4 29.3 49.3 0.24 20 17.8 12.8 3.3 7.5 SE 9 3
Raufarhofn * 66.45 -15.95 6.8 15.1 22.3 55.9 0.23 11   17.3 19.1 9.1 SW 6 1
Blonduos * 65.67 -20.30 1.1 17 11.6 70.2 0.16 8   22.6 10.3 6.2 calm 7 3
Stykkisholmur * 65.08 -22.73 4.1 15.6 31.1 49.1 0.24 9 35.6 13.8 4.9 9.9 E 7 4
Hjardarnes * 65.25 -15.18 0.5 23.2 24.7 51.6 0.23 8 86.4 25.4 17.5 10.5 E 8 4
Reykjavik * 64.13 -21.54 0.9 26.9 35.2 36.9 0.29 13 43.2 34.3 7.4 9.3 E 8 4
Keflavik * 63.97 -22.60 2.4 20.7 32.3 44.7 0.26 10 76.2 23.1 8.2 10.0 NNE 4 4
Eyrarbakki * 63.87 -21.15 1.1 26.3 28.3 44.3 0.27 15   24.4 9.1 10.1 NE 9 5
Vestmannaeyjar * 63.40 -20.28 2.8 25.2 23.2 48.8 0.26 15 83.8 28.3 8.3 18.3 SE 7 4
                               
Faeroes                              
Thorshaun * 62.02 -6.77 4.6 12.4 28.3 54.6 0.21 7 78.7 32.3 9.9 8.0 calm 8 6
                               
Jan Mayen * 70.93 -8.67 1.1 12.9 37.2 48.7 0.21 5 30.5 25.9 17.4 10.4 N 1 -2
                               
United Kingdom                              
Lerwick, Shetland Is. * 60.13 -1.18 0.6 21.2 39.1 39.1 0.26 9 55.9 27.4 19.1 10.8 N 9 6
Kirkwall, Orkney Is. * 58.95 -2.90 1.9 25.0 41.2 31.8 0.31 10   24.0 20.1 10.4 S 11 6
Wick * 58.45 -3.08 2.4 22.4 47.6 27.6 0.31 9   19.9 17.5 8.2 SE 11 6
Stornoway * 58.22 -6.32 2.3 32.0 36.5 29.2 0.34 17 55.9 27.1 6.7 8.6 vrbl 12 6
Aberdeen 57.20 -2.22 1.8 25.9 40.5 31.8 0.31 11 53.3 24.2 21.5 5.9 vrbl 13 6
Benbecula Island 57.47 -7.37 3.7 32.8 39.3 24.0 0.37 17   25.1 5.2 10.5 vrbl 12 7
Fort William 56.83 -5.10 2.7 26.6 42.3 28.4 0.33 10 99.1 11.9 0.5 4.9 calm 14 8
Invergordon Harbour * 57.68 -4.17 6.7 21.2 32.0 40.1 0.30 12   17.8 6.4 5.8 calm 13 8
Inverness * 57.53 -4.05 1.7 17.8 56.1 24.4 0.30 10 45.7 18.8 7.1 6.0 SW 13 7
Kinloss RAF * 57.65 -3.57 1.6 24.1 52.4 21.8 0.33 14 48.3 24.0 11.0 6.5 SW 13 6
Lossiemouth RAF * 57.72 -3.32 2.5 25.3 51.0 21.1 0.34 13 53.3 21.8 9.7 6.9 SW 13 6
Peterhead Harbour 57.50 -1.77 5.9 23.2 30.8 40.2 0.30 8   18 7.6 7.9 S 11 7
Edinburgh 55.95 -3.21 2.6 27.2 46.0 24.3 0.34 14 50.8 23.6 18.0 5.7 WSW 14 6
Manchester 53.21 -2.27 7.7 27.9 42.6 21.8 0.39 17 63.5 20.5 8.0 6.2 S 15 7
Leeds 53.48 -1.55 12.7 31.7 39.7 15.9 0.45 29   14.3 6.3 3.6 WNW 16 8
Birmingham 52.45 -1.73 7.8 30 36.1 26.1 0.38 19 55.9 21.8 26 5.7 vrbl 16 6
London 51.48 -0.45 15.2 27.1 32.9 24.9 0.43 24 45.7 18.3 9.7 5.2 N 17 8
Glasgow 55.87 -4.43 3.3 27.8 44 24.9 0.35 14   22.2 11.7 6 ENE 15 6
* indicates station is within annular zone

Key

Percent Frequency of Clear, Scattered (2-4 tenths), Broken (5-9 tenths) and Overcast or Obscured Skies

These data are compiled from surface observations at the site. The time of the observation is usually 0300 UTC except for a few stations where observations at that time are missing. This is about one hour before the eclipse.

Probability

A rough calculation of the probability of seeing the eclipse based on the frequency of clear, scattered, broken or overcast cloud. It is essentially the sums of the frequency of the cloud category times a representative clear sky amount for the category.

% hours with cloud < 0.3 and vis > 2

This the frequency of hours with less than 3 tenths cloud and visibilities of 3 miles or more. The time of observation is 0300 UTC except for a few cases as noted above.

Monthly pcpn

Average May precipitation in mm. Snow is melted and the water content measured.

% of observations with precipitation

The percent of observations at 0300 UTC in May in which precipitation is reported.

% of observations with fog

The percent of 0300 UTC observations with visibility less than 3 miles.

Mean wind

The average wind speed in May at 0300 UTC

Prevailing Direction

The most frequent wind direction. Where winds do not show a dominant direction, “vrbl” (variable) is shown. If calm winds are the most common condition and more than 20% of observations, “calm” is indicated.

Tmax

Mean daily high temperature (°C) for December.

Tmin

Mean daily minimum temperature (°C) for December.
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