condition mean min max 4 h after light 147.649295 141.876877 153.421713 8 h after light 137.11133949999999 126.398494 147.824185 12 h after light 181.49994800000002 137.893265 225.106631 4 h after dark 116.160784 106.714152 125.607416 8 h after dark 128.415354 116.941199 139.889509 12 h after dark 130.770518 130.770518 130.770518