condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0571965 0.0 0.114393 12 h after light 0.01397095 0.0 0.0279419 4 h after dark 0.04902165 0.0247756 0.0732677 8 h after dark 0.0304893 0.0242621 0.0367165 12 h after dark 0.022193749999999998 0.0202893 0.0240982