condition mean min max 4 h after light 5.275385 5.1602 5.39057 8 h after light 6.155195 5.84376 6.46663 12 h after light 8.007445 6.88374 9.13115 4 h after dark 12.052466666666668 11.9343 12.1933 8 h after dark 10.300633333333334 9.9649 10.6163 12 h after dark 8.157476666666668 7.68149 8.40118