condition mean min max 4 h after light 63.271471 45.848753 80.694189 8 h after light 57.147204 49.66518 64.629228 12 h after light 96.504683 71.603162 121.406204 4 h after dark 94.1598655 73.295756 115.023975 8 h after dark 194.430313 191.628569 197.232057 12 h after dark 70.420259 70.420259 70.420259