condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0274517 0.0 0.0823551 12 h after light 0.018042566666666666 0.0 0.0541277 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.011184933333333334 0.0 0.0335548