condition mean min max 0 h after light 43.32105 43.2681 43.374 4 h after light 84.7029 69.9207 99.4851 8 h after light 84.45875000000001 75.9559 92.9616 4 h after dark 47.7378 41.5204 53.9552 8 h after dark 37.53045 33.2552 41.8057 12 h after dark 37.202200000000005 36.1147 38.2897