condition mean min max 4 h after light 12.339231 10.829067 13.849395 8 h after light 11.190568500000001 11.074471 11.306666 12 h after light 16.509138 11.78001 21.238266 4 h after dark 21.76436 15.130732 28.397988 8 h after dark 58.9970245 23.801193 94.192856 12 h after dark 16.427069 16.427069 16.427069