condition mean min max 0 h after light 0.06115 0.0 0.1223 4 h after light 0.0200968 0.0 0.0401936 8 h after light 0.0604985 0.0 0.120997 4 h after dark 0.02001895 0.0 0.0400379 8 h after dark 0.06056325 0.0401499 0.0809766 12 h after dark 0.0203559 0.0 0.0407118