condition mean min max 4 h after light 87.0175435 77.033786 97.001301 8 h after light 93.73209750000001 90.462894 97.001301 12 h after light 103.2548165 92.363368 114.146265 4 h after dark 123.8376705 94.366361 153.30898 8 h after dark 114.58588 97.001301 132.170459 12 h after dark 85.533686 85.533686 85.533686