condition mean min max 4 h after light 11.279171 11.279171 11.279171 8 h after light 10.7581255 10.356926 11.159325 12 h after light 11.328521 11.279171 11.377871 4 h after dark 10.946716 10.603754 11.289678 8 h after dark 11.7609455 11.589979 11.931912 12 h after dark 10.9568 10.9568 10.9568