condition mean min max 2 h after light 0.5675746666666667 0.321262 1.40016 6 h after light 0.47364483333333335 0.263056 0.708062 10 h after light 0.9085920000000001 0.247467 1.21529 14 h after light 1.2118955 0.824113 1.54799 18 h after light 0.7061375 0.377733 1.31574 2 h after dark 1.4133915 0.826229 2.60999