condition mean min max 4 h after light 0.07344445 0.0442549 0.102634 8 h after light 0.045554899999999995 0.0350674 0.0560424 12 h after light 0.038591600000000004 0.0363177 0.0408655 4 h after dark 0.0 0.0 0.0 8 h after dark 0.06272906666666667 0.0 0.119751 12 h after dark 0.023888633333333336 0.0 0.0716659