condition mean min max 4 h after light 13.50165 12.735 14.2683 8 h after light 9.744969999999999 9.08054 10.4094 12 h after light 9.784005 9.58782 9.98019 4 h after dark 13.9289 13.3094 14.3802 8 h after dark 14.3045 13.5726 14.7497 12 h after dark 13.580166666666667 13.408 13.8264