condition mean min max 0 h after light 1.778665 1.41438 2.14295 2 h after light 5.02796 4.88042 5.1755 4 h after light 5.929495 5.74847 6.11052 8 h after light 7.127055 6.87062 7.38349 12 h after light 7.05429 6.15568 7.9529 2 h after dark 4.861525 4.15267 5.57038 4 h after dark 5.000375 4.98449 5.01626 8 h after dark 3.55116 3.18171 3.92061 12 h after dark 1.53146 1.34203 1.72089