condition mean min max 4 h after light 0.101174 0.0 0.202348 8 h after light 0.0409856 0.0 0.0819712 12 h after light 0.232907 0.200225 0.265589 4 h after dark 0.17627199999999998 0.175007 0.177537 8 h after dark 0.1092397 0.0869284 0.131551 12 h after dark 0.202206 0.145389 0.259023