condition mean min max 4 h after light 4.01486 3.14725 4.88247 8 h after light 2.0521399999999996 2.0109 2.09338 12 h after light 2.943865 2.77708 3.11065 4 h after dark 4.984629999999999 4.72936 5.2399 8 h after dark 4.7595600000000005 4.73851 4.78061 12 h after dark 6.193545 5.95345 6.43364