condition mean min max 3 h after light 1.153261 0.969233 1.43937 6 h after light 0.684732 0.543712 0.889152 9 h after light 1.2310366666666668 1.04113 1.33957 12 h after light 3.9824425000000003 2.17944 5.1227 3 h after dark 8.34623 7.48557 8.94513 6 h after dark 8.208406666666667 7.62405 8.73012 9 h after dark 5.516193333333334 5.05333 6.07948 12 h after dark 2.19779 1.89441 2.50117