condition mean min max 0 h after light 1.867635 1.73189 2.00338 2 h after light 1.50208 1.36837 1.63579 4 h after light 1.23842 1.04864 1.4282 8 h after light 1.39207 1.25392 1.53022 12 h after light 2.267255 2.21754 2.31697 2 h after dark 1.6544699999999999 1.40626 1.90268 4 h after dark 1.8311950000000001 1.63377 2.02862 8 h after dark 2.14673 2.07426 2.2192 12 h after dark 2.20417 2.0089 2.39944