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 0.064992 0.0 0.129984 4 h after dark 0.10482433333333334 0.0 0.314473 8 h after dark 0.07256 0.0 0.21768 12 h after dark 0.026014533333333336 0.0 0.0780436