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 0.07298933333333334 0.0 0.218968 4 h after dark 0.0 0.0 0.0 8 h after dark 0.033047766666666666 0.0 0.0991433 12 h after dark 0.0 0.0 0.0