condition mean min max 0 h after light 16.84245 14.0384 19.6465 2 h after light 18.5013 18.0144 18.9882 4 h after light 14.5558 13.7608 15.3508 8 h after light 9.33545 8.6297 10.0412 12 h after light 14.97035 14.4984 15.4423 2 h after dark 15.686150000000001 15.2098 16.1625 4 h after dark 15.0808 14.8699 15.2917 8 h after dark 22.59955 21.0532 24.1459 12 h after dark 19.80515 19.5587 20.0516