condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.041138666666666664 0.0 0.123416 12 h after light 0.05407633333333334 0.0 0.162229 4 h after dark 0.044748 0.0 0.134244 8 h after dark 0.029891833333333336 0.0 0.0896755 12 h after dark 0.0 0.0 0.0