condition mean min max 0 h after light 0.0189928 0.0 0.0379856 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.038980600000000004 0.0382733 0.0396879 12 h after dark 0.0 0.0 0.0