condition mean min max 0 h after light 27.786 25.2446 30.3274 4 h after light 111.8358 92.3036 131.368 8 h after light 161.81 155.095 168.525 4 h after dark 93.8522 60.0024 127.702 8 h after dark 156.08249999999998 132.606 179.559 12 h after dark 54.83225 40.8212 68.8433