condition mean min max 4 h after light 0.0833267 0.0718358 0.0948176 8 h after light 0.11189750000000001 0.097016 0.126779 12 h after light 0.5119675 0.268123 0.755812 4 h after dark 0.5156365 0.33806 0.693213 8 h after dark 0.219904 0.211821 0.227987 12 h after dark 0.154809 0.111792 0.197826