condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.14520566666666665 0.0 0.255472 12 h after light 0.029754 0.0 0.089262 4 h after dark 0.099302 0.0 0.297906 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0