condition mean min max 4 h after light 63.75475 60.5859 66.9236 8 h after light 57.699799999999996 57.102 58.2976 12 h after light 60.6185 57.4494 63.7876 4 h after dark 65.79525000000001 65.6384 65.9521 8 h after dark 71.64895 71.2024 72.0955 12 h after dark 72.09934999999999 71.3003 72.8984