condition mean min max 0 h after light 1.150128 0.556886 1.74337 4 h after light 0.7721735 0.480427 1.06392 8 h after light 0.7006335 0.550953 0.850314 4 h after dark 1.096433 0.888766 1.3041 8 h after dark 0.7915939999999999 0.760493 0.822695 12 h after dark 0.655114 0.476021 0.834207