condition mean min max 0 h after light 0.656091 0.525434 0.786748 4 h after light 0.7585059999999999 0.581768 0.935244 8 h after light 0.95271 0.8676 1.03782 4 h after dark 1.174145 1.03432 1.31397 8 h after dark 0.9718245 0.781379 1.16227 12 h after dark 0.7429705 0.589268 0.896673