condition mean min max 4 h after light 44.0625095 39.956745 48.168274 8 h after light 46.9327885 42.096116 51.769461 12 h after light 48.712396999999996 44.506882 52.917912 4 h after dark 52.9616295 47.018599 58.90466 8 h after dark 48.171159 47.948483 48.393835 12 h after dark 39.742672 39.742672 39.742672