condition mean min max 4 h after light 187.62566900000002 185.679729 189.571609 8 h after light 170.823339 170.318423 171.328255 12 h after light 155.8586115 117.092036 194.625187 4 h after dark 145.0133815 100.508335 189.518428 8 h after dark 114.808997 93.001322 136.616672 12 h after dark 153.714378 153.714378 153.714378