condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.1136365 0.111767 0.115506 8 h after light 0.16985 0.115394 0.224306 4 h after dark 0.1674415 0.111334 0.223549 8 h after dark 0.0562935 0.0 0.112587 12 h after dark 0.0 0.0 0.0