condition mean min max 0 h after light 2.947425 2.88482 3.01003 2 h after light 2.865825 2.44156 3.29009 4 h after light 8.952025 8.07205 9.832 8 h after light 24.3144 24.109 24.5198 12 h after light 18.55075 18.0529 19.0486 2 h after dark 22.6351 21.5105 23.7597 4 h after dark 16.50365 15.6977 17.3096 8 h after dark 8.92341 8.7615 9.08532 12 h after dark 3.00131 2.73373 3.26889