condition mean min max 4 h after light 388.656701 281.196183 496.117219 8 h after light 462.2490025 357.417552 567.080453 12 h after light 307.8606455 119.613213 496.108078 4 h after dark 75.0243035 36.277806 113.770801 8 h after dark 48.1573985 43.50684 52.807957 12 h after dark 176.883044 176.883044 176.883044