condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.31770353333333334 0.0247366 0.665273 12 h after light 0.41350366666666666 0.26235 0.516174 4 h after dark 0.496522 0.289457 0.709225 8 h after dark 0.37482533333333334 0.0 0.725724 12 h after dark 0.1314229 0.0 0.340057