condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 1.4988105 0.291001 2.70662 8 h after light 0.4506665 0.0 0.901333 4 h after dark 1.1623615 0.869623 1.4551 8 h after dark 0.582596 0.293135 0.872057 12 h after dark 0.435709 0.294753 0.576665