condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.034072 0.0 0.102216 4 h after dark 0.0 0.0 0.0 8 h after dark 0.013940800000000001 0.0 0.0418224 12 h after dark 0.014721366666666666 0.0 0.0441641