condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.03682755 0.0 0.0736551 12 h after light 0.072679 0.0 0.145358 2 h after dark 0.0404985 0.0 0.080997 4 h after dark 0.0350571 0.0 0.0701142 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0382724 0.0 0.0765448