condition mean min max 0 h after light 1.2226415 0.636573 1.80871 2 h after light 1.55151 1.43079 1.67223 4 h after light 2.93955 2.43311 3.44599 8 h after light 16.5563 15.3069 17.8057 12 h after light 9.62901 9.56257 9.69545 2 h after dark 3.952595 3.60707 4.29812 4 h after dark 3.38957 2.62998 4.14916 8 h after dark 2.62455 2.09774 3.15136 12 h after dark 1.1503755 0.662461 1.63829