condition mean min max 0 h after light 1.733315 1.54225 1.92438 4 h after light 1.461045 1.22273 1.69936 8 h after light 0.6419630000000001 0.522374 0.761552 4 h after dark 2.631625 1.88999 3.37326 8 h after dark 2.349225 1.89528 2.80317 12 h after dark 2.074485 1.62928 2.51969