condition mean min max 4 h after light 230.9820215 172.435657 289.528386 8 h after light 253.1349765 239.038142 267.231811 12 h after light 192.9878135 146.732433 239.243194 4 h after dark 159.4315575 150.616672 168.246443 8 h after dark 155.737326 138.129908 173.344744 12 h after dark 123.730547 123.730547 123.730547