condition mean min max 4 h after light 105.141189 96.245633 114.036745 8 h after light 139.1410285 121.832457 156.4496 12 h after light 110.7352055 90.247552 131.222859 4 h after dark 116.8685885 109.889736 123.847441 8 h after dark 100.67468550000001 97.955501 103.39387 12 h after dark 89.112143 89.112143 89.112143