condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.027215533333333333 0.0 0.0816466 12 h after light 0.0 0.0 0.0 3 h after dark 0.039322666666666665 0.0 0.117968 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0464364 0.0 0.0928728