Calculate PW using Reitan's formula
Latitude (deg, + for N, - for S):
Longitude (deg, + for E, - for W):
(default coordinates for Philadelphia, PA, USA)
Date (mm/dd/yyyy):
/
/
Time (UT hr:min:sec):
:
:
Temperature (°C):
Relative humidity (%):
Julian Day:
Earth/sun distance (AU):
Solar elevation angle (deg):
Relative air mass:
Dewpoint temperature (°C):
PW (cm H
2
O) overhead:
PW (cm H
2
O) along slant path:
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