condition mean min max 4 h after light 486.576207 453.362846 519.789568 8 h after light 541.4624759999999 515.231357 567.693595 12 h after light 611.3103395 576.347573 646.273106 4 h after dark 573.806949 519.766457 627.847441 8 h after dark 564.832853 546.083762 583.581944 12 h after dark 725.954055 725.954055 725.954055