condition mean min max 0 h after light 9.451730000000001 7.91666 10.9868 2 h after light 7.30972 6.21095 8.40849 4 h after light 7.782304999999999 6.35772 9.20689 8 h after light 9.633365000000001 8.76683 10.4999 12 h after light 11.111049999999999 10.3433 11.8788 2 h after dark 12.652149999999999 10.998 14.3063 4 h after dark 12.1274 11.5121 12.7427 8 h after dark 15.03355 13.4103 16.6568 12 h after dark 11.519950000000001 10.996 12.0439