condition mean min max 0 h after light 0.23531649999999998 0.156691 0.313942 4 h after light 1.0300185 0.463467 1.59657 8 h after light 1.098597 0.957014 1.24018 4 h after dark 0.5395305 0.463497 0.615564 8 h after dark 0.9291799999999999 0.77811 1.08025 12 h after dark 0.4660345 0.306145 0.625924