condition mean min max 0 h after light 34.9001 32.0735 37.7267 2 h after light 11.23291 9.00692 13.4589 4 h after light 9.93111 9.49372 10.3685 8 h after light 10.72155 10.6103 10.8328 12 h after light 15.28475 14.8731 15.6964 2 h after dark 20.83915 19.5357 22.1426 4 h after dark 27.317749999999997 25.3223 29.3132 8 h after dark 50.0256 49.4731 50.5781 12 h after dark 40.95725 38.8205 43.094