condition mean min max 0 h after light 2.589445 2.5424 2.63649 2 h after light 0.9449045 0.636569 1.25324 4 h after light 4.566165 2.80121 6.33112 8 h after light 4.6722649999999994 2.83242 6.51211 12 h after light 3.240965 0.0 6.48193 2 h after dark 8.457955 4.95831 11.9576 4 h after dark 2.8938550000000003 1.9865 3.80121 8 h after dark 4.52902 2.97194 6.0861 12 h after dark 2.9143499999999998 2.26435 3.56435