condition mean min max 0 h after light 42.38145 34.8643 49.8986 4 h after light 16.6804 12.3033 21.0575 8 h after light 14.43515 13.1509 15.7194 4 h after dark 18.9766 13.7097 24.2435 8 h after dark 32.25695 29.0378 35.4761 12 h after dark 33.51755 28.038 38.9971