condition mean min max 4 h after light 330.515787 268.600552 392.431022 8 h after light 293.6151075 273.693595 313.53662 12 h after light 338.3307315 319.622446 357.039017 4 h after dark 464.9445385 376.30898 553.580097 8 h after dark 428.562814 372.259956 484.865672 12 h after dark 343.927471 343.927471 343.927471