condition mean min max 3 h after light 31.7227 30.453 32.8675 6 h after light 38.8974 30.3554 47.1416 9 h after light 48.691266666666664 42.3741 52.4096 12 h after light 52.311375 35.3263 60.606 3 h after dark 54.2218 42.0017 60.4216 6 h after dark 33.96993333333333 32.7412 35.8962 9 h after dark 27.2221 23.41 31.9922 12 h after dark 30.28535 28.0805 32.4902