condition mean min max 0 h after light 9.425225000000001 8.73785 10.1126 2 h after light 8.837945000000001 8.26443 9.41146 4 h after light 6.635975 6.48958 6.78237 8 h after light 4.664339999999999 4.10685 5.22183 12 h after light 10.588650000000001 9.417 11.7603 2 h after dark 10.805485000000001 9.82997 11.781 4 h after dark 7.8136 7.6981 7.9291 8 h after dark 8.752905 8.22672 9.27909 12 h after dark 10.9952 10.6526 11.3378