condition mean min max 0 h after light 5.42158 3.22383 7.61933 2 h after light 1.2732065000000001 0.690043 1.85637 4 h after light 15.6688 15.5072 15.8304 8 h after light 38.44665 37.0057 39.8876 12 h after light 22.2289 18.3358 26.122 2 h after dark 11.8948 11.5514 12.2382 4 h after dark 19.946199999999997 19.6742 20.2182 8 h after dark 9.542845 9.09081 9.99488 12 h after dark 5.126605 3.97172 6.28149