condition mean min max 0 h after light 0.117803 0.0 0.235606 4 h after light 0.238122 0.116147 0.360097 8 h after light 0.236464 0.233096 0.239832 4 h after dark 0.115926 0.115697 0.116155 8 h after dark 0.350019 0.232042 0.467996 12 h after dark 0.2314455 0.117645 0.345246