condition mean min max 3 h after light 0.6398913333333334 0.515908 0.838885 6 h after light 0.7968246666666666 0.746221 0.852047 9 h after light 1.84934 1.09723 2.67711 12 h after light 1.56170875 0.781665 2.54814 3 h after dark 2.17025 1.5511 2.52066 6 h after dark 1.1546756666666667 0.670027 1.54553 9 h after dark 0.5858206666666667 0.25065 0.794612 12 h after dark 0.7951794999999999 0.768058 0.822301