condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0371153 0.0 0.0742306 12 h after light 0.090659 0.0 0.181318 4 h after dark 0.5569729999999999 0.321543 0.792403 8 h after dark 0.3563365 0.236159 0.476514 12 h after dark 0.1049239 0.0781878 0.13166