condition mean min max 4 h after light 0.2451375 0.146283 0.343992 8 h after light 0.3526445 0.278702 0.426587 12 h after light 0.5656325 0.486262 0.645003 4 h after dark 2.026195 1.03478 3.01761 8 h after dark 0.8706215 0.591113 1.15013 12 h after dark 0.34760599999999997 0.317778 0.377434