condition mean min max 4 h after light 99.88115 99.2043 100.558 8 h after light 95.2317 93.1713 97.2921 12 h after light 101.52925 98.9775 104.081 4 h after dark 135.562 134.385 136.739 8 h after dark 127.34100000000001 122.412 132.27 12 h after dark 116.1425 115.969 116.316