condition mean min max 4 h after light 6.494305000000001 5.61852 7.37009 8 h after light 8.41171 8.19225 8.63117 12 h after light 11.93205 11.502 12.3621 4 h after dark 11.39265 11.2326 11.5527 8 h after dark 7.433249999999999 6.68077 8.18573 12 h after dark 7.47268 7.32505 7.62031