condition mean min max 4 h after light 9.499600000000001 8.6581 10.3411 8 h after light 5.163679999999999 4.87141 5.45595 12 h after light 4.18957 2.6971 5.68204 4 h after dark 2.8217049999999997 1.76064 3.88277 8 h after dark 2.63028 2.34191 2.91865 12 h after dark 3.074695 2.46292 3.68647