condition mean min max 3 h after light 0.247226 0.0 0.442543 6 h after light 0.0 0.0 0.0 9 h after light 0.21590733333333334 0.168365 0.293902 12 h after light 0.5463126666666667 0.254886 0.892809 3 h after dark 2.362516666666667 1.35566 4.28936 6 h after dark 2.7824133333333334 1.03942 3.8614 9 h after dark 3.0014659999999997 0.330768 5.40255 12 h after dark 1.47395 1.0647 2.14577