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Jamestown vs Base Antartica Arturo P Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Base Antartica Arturo P, Antarctica is approximately 6,639 km or 4,125 mi.
  • To reach Jamestown in this distance one would set out from Base Antartica Arturo P bearing 64.2° or ENE and follow the great circles arc to approach Jamestown bearing 25.6° or NNE .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Base Antartica Arturo P has a tundra climate (ET).
  • The average temperature is 24.3 °C (43.8°F) warmer.
  • Average monthly temperatures vary by 4 °C (7.2°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 660.9 mm (26 in) less which is equivalent to 660.9 l/m² (16.22 US gal/ft²) or 6,609,000 l/ha (706,546 US gal/ac) less. About 1/6 as much.
  • The altitude of the sun at midday is overall 43.6° higher in Jamestown than in Base Antartica Arturo P.
  • Relative humidity levels are 15% lower.
  • The mean dew point temperature is 20.5°C (36.9°F) higher.

Climate Comparison Table

The table shows values for Jamestown relative to Base Antartica Arturo P. You can also view this comparison the other way around from the perspective of Base Antartica Arturo P vs Jamestown.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +23 (+41) +23 (+41) +24 (+43) +26 (+47) +26 (+47) +27 (+48) +27 (+48) +27 (+48) +25 (+44) +23 (+41) +22 (+40) +21 (+39) +24 (+44)
rainfall iconAverage Precipitation mm (in) -37 (-1) -61 (-2) -65 (-3) -44 (-2) -42 (-2) -34 (-1) -29 (-1) -52 (-2) -81 (-3) -75 (-3) -84 (-3) -58 (-2) -661 (-26)
daylight iconAverage Daylight Hours & Minutes/ Day -5h 29' -3h 08' -0h 33' +2h 07' +4h 43' +6h 23' +5h 35' +3h 09' +0h 28' -2h 12' -4h 47' -6h 23'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +37.9 +45.7 +46.6 +46.6 +46.5 +46.4 +46.4 +46.4 +46.4 +45.3 +37.3 +31.6   +43.6
relative humidity iconRelative Humidity (%) -20 -20 -21 -19 -13 -13 -11 -9 -11 -13 -10 -20   -15
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +17.7 (+32) +17.8 (+32) +18.6 (+33) +21.1 (+38) +22.6 (+41) +23.4 (+42) +23.8 (+43) +24.2 (+44) +21.8 (+39) +19.5 (+35) +19.2 (+35) +16.5 (+30) +20.5 (+37)

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Jamestown vs Base Antartica Arturo P Discussion

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