condition mean min max 4 h after light 17.382550000000002 17.212 17.5531 8 h after light 15.59445 15.3286 15.8603 12 h after light 19.6067 19.0055 20.2079 4 h after dark 26.11645 25.7684 26.4645 8 h after dark 29.2283 27.6991 30.7575 12 h after dark 26.066049999999997 25.9608 26.1713