condition mean min max 4 h after light 5446.73 4788.483 6485.78 8 h after light 9588.688666666667 8786.954 10557.54 12 h after light 5601.113 4261.898 7651.22 16 h after light 7404.635333333334 6741.436 8684.226 4 h after dark 7762.701 7046.474 8131.464 8 h after dark 4142.691 3207.7859999999996 4655.811