condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.151631 0.0 0.454893 12 h after light 0.14156433333333335 0.0 0.298978 4 h after dark 0.36028499999999997 0.0 0.661291 8 h after dark 0.11017733333333334 0.0 0.330532 12 h after dark 0.2684916666666667 0.0 0.434792