condition mean min max 4 h after light 825.613713 799.7646 851.462826 8 h after light 952.287767 759.412332 1145.163202 12 h after light 1066.8965094999999 989.491055 1144.301964 4 h after dark 916.173715 691.949265 1140.398165 8 h after dark 705.8258605 497.225221 914.4265 12 h after dark 606.078206 606.078206 606.078206