condition mean min max 4 h after light 4.680233333333334 4.64021 4.74284 8 h after light 4.484916666666667 4.37218 4.58659 12 h after light 4.662716666666666 4.55898 4.86296 4 h after dark 4.617290000000001 4.569030000000001 4.64484 8 h after dark 4.5819 4.30998 4.82366 12 h after dark 4.53519 4.46387 4.6172699999999995