condition mean min max 4 h after light 5.291315 3.62031 6.96232 8 h after light 6.576565 5.86286 7.29027 12 h after light 7.608090000000001 7.28788 7.9283 4 h after dark 6.57706 5.80189 7.21147 8 h after dark 6.421436666666667 6.14064 6.91398 12 h after dark 4.373676666666666 3.01988 5.38161