condition mean min max 4 h after light 96.9 96.9 96.9 8 h after light 53.55 36.3 70.8 12 h after light 60.05 47.3 72.8 4 h after dark 98.30000000000001 56.7 139.9 8 h after dark 96.94999999999999 81.8 112.1 12 h after dark 123.7 118.9 128.5