condition mean min max 4 h after light 242.8910945 236.68606 249.096129 8 h after light 226.56435699999997 214.478954 238.64976 12 h after light 251.154764 241.220785 261.088743 4 h after dark 341.81564249999997 280.168459 403.462826 8 h after dark 312.9898205 293.485336 332.494305 12 h after dark 231.153165 231.153165 231.153165