condition mean min max 4 h after light 758.4608935 734.108411 782.813376 8 h after light 775.2742390000001 635.30898 915.239498 12 h after light 793.0401850000001 766.232929 819.847441 4 h after dark 562.7198565 470.284579 655.155134 8 h after dark 289.3915405 166.155134 412.627947 12 h after dark 497.940833 497.940833 497.940833