condition mean min max 4 h after light 38.501813 36.833796 40.16983 8 h after light 39.924839500000004 35.436296 44.413383 12 h after light 49.20381 44.506882 53.900738 4 h after dark 52.904439499999995 52.255863 53.553016 8 h after dark 55.2717445 51.932592 58.610897 12 h after dark 46.765579 46.765579 46.765579