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Vs > Base Antartica B. O’Hig
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Jamestown vs Base Antartica B. O’Hig Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Base Antartica B. O’Hig, Antarctica is approximately 6,546 km or 4,068 mi.
  • To reach Jamestown in this distance one would set out from Base Antartica B. O’Hig bearing 60.8° or ENE and follow the great circles arc to approach Jamestown bearing 24° or NNE .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Base Antartica B. O’Hig has a tundra climate (ET).
  • The mean temperature is 25.7 °C (46.3°F) warmer.
  • Average monthly temperatures vary by 5 °C (9°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 633.5 mm (24.9 in) less which is equivalent to 633.5 l/m² (15.55 US gal/ft²) or 6,335,000 l/ha (677,254 US gal/ac) less. About 1/6 as much.
  • The altitude of the sun at midday is overall 44.4° higher in Jamestown than in Base Antartica B. O’Hig.
  • Relative humidity levels are 12.2% lower.
  • The mean dew point temperature is 22.2°C (40°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +24 (+42) +24 (+43) +25 (+46) +28 (+51) +28 (+51) +29 (+52) +29 (+51) +28 (+51) +26 (+46) +24 (+42) +23 (+41) +22 (+39) +26 (+46)
rainfall iconAverage Precipitation mm (in) -21 (-1) -54 (-2) -54 (-2) -68 (-3) -49 (-2) -33 (-1) -33 (-1) -57 (-2) -83 (-3) -85 (-3) -62 (-2) -36 (-1) -634 (-25)
daylight iconAverage Daylight Hours & Minutes/ Day -5h 47' -3h 17' -0h 34' +2h 13' +4h 57' +6h 47' +5h 54' +3h 18' +0h 29' -2h 18' -5h 02' -6h 47'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +38.7 +46.5 +47.4 +47.4 +47.3 +47.2 +47.2 +47.2 +47.3 +46.1 +38.1 +32.4   +44.4
relative humidity iconRelative Humidity (%) -18 -19 -19 -16 -12 -10 -8 -5 -7 -9 -8 -16   -12.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +18.6 (+33) +19 (+34) +20.4 (+37) +23.6 (+42) +25 (+45) +26.1 (+47) +25.9 (+47) +26.4 (+48) +23.3 (+42) +20.8 (+37) +20.2 (+36) +17.5 (+32) +22.2 (+40)

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Jamestown vs Base Antartica B. O’Hig Discussion

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