condition mean min max 0 h after light 0.9820665 0.688243 1.27589 4 h after light 0.788693 0.677361 0.900025 8 h after light 1.1306795 0.999059 1.2623 4 h after dark 1.111165 0.86752 1.35481 8 h after dark 0.6307395 0.584853 0.676626 12 h after dark 0.4804597 0.0980134 0.862906