condition mean min max 0 h after light 0.3523385 0.240043 0.464634 4 h after light 0.3541255 0.236292 0.471959 8 h after light 0.121073 0.0 0.242146 4 h after dark 0.801658 0.688975 0.914341 8 h after dark 0.6880744999999999 0.685187 0.690962 12 h after dark 0.226547 0.0 0.453094