condition mean min max 4 h after light 230.630029 180.988158 280.2719 8 h after light 154.7741905 150.926046 158.622335 12 h after light 258.3183425 248.8905 267.746185 4 h after dark 174.514205 170.71943 178.30898 8 h after dark 238.60563199999999 208.313763 268.897501 12 h after dark 318.905899 318.905899 318.905899