condition mean min max 4 h after light 1.1682166666666667 0.0 2.18536 8 h after light 0.3998950666666667 0.0692012 0.706952 12 h after light 0.514135 0.0 1.33279 4 h after dark 0.660372 0.526196 0.80958 8 h after dark 0.361179 0.0 0.568476 12 h after dark 0.23601933333333333 0.0 0.418146