condition mean min max 4 h after light 0.902803 0.175929 1.32901 8 h after light 1.7808629333333332 0.0343588 4.21131 12 h after light 0.6799189999999999 0.210795 0.944429 4 h after dark 2.02205 1.27777 3.15038 8 h after dark 1.7466653333333333 0.727236 3.29961 12 h after dark 1.9350233333333333 0.52034 4.60323