condition mean min max 4 h after light 199.4007385 155.492403 243.309074 8 h after light 224.0119095 202.871646 245.152173 12 h after light 206.490318 192.693595 220.287041 4 h after dark 283.457386 171.098535 395.816237 8 h after dark 314.146677 236.882739 391.410615 12 h after dark 172.379236 172.379236 172.379236