condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0727627 0.0 0.144197 9 h after light 0.0 0.0 0.0 12 h after light 0.033551399999999995 0.0 0.0687723 3 h after dark 0.06344866666666667 0.0 0.106043 6 h after dark 0.055997333333333336 0.0 0.167992 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0