condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.156172 0.139827 0.172517 12 h after light 0.0 0.0 0.0 4 h after dark 0.06924954999999999 0.0687526 0.0697465 8 h after dark 0.1024515 0.0 0.204903 12 h after dark 0.0856755 0.0 0.171351