condition mean min max 4 h after light 236.3399395 233.553721 239.126158 8 h after light 200.35222149999998 194.956184 205.748259 12 h after light 221.0177395 203.97455 238.060929 4 h after dark 193.5715775 185.116351 202.026804 8 h after dark 245.6374015 237.770518 253.504285 12 h after dark 212.621797 212.621797 212.621797