condition mean min max 4 h after light 329.915438 302.232057 357.598819 8 h after light 400.63214949999997 380.699367 420.564932 12 h after light 334.4086115 275.523155 393.294068 4 h after dark 318.7867455 291.325984 346.247507 8 h after dark 309.298954 293.673544 324.924364 12 h after dark 225.20392 225.20392 225.20392