condition mean min max 2 h after light 1.45725 1.2122 1.64554 6 h after light 1.0484643333333334 0.921303 1.20174 10 h after light 0.9178310000000001 0.874013 0.962918 2 h after dark 0.9185 0.777433 1.00546 6 h after dark 1.0948766666666667 1.0393 1.20332 10 h after dark 1.3082433333333334 1.17686 1.47585