condition mean min max 3 h after light 0.771436 0.51057 0.948706 6 h after light 0.9387283333333333 0.168191 1.69204 9 h after light 1.33283 1.20312 1.47013 12 h after light 3.5258 2.16917 4.37132 3 h after dark 2.81688 1.62271 3.53422 6 h after dark 5.605176666666667 2.48338 9.09876 9 h after dark 7.237979999999999 3.89579 11.5818 12 h after dark 1.9029323333333332 0.432817 3.45001