condition mean min max 0 h after light 0.7422725 0.674137 0.810408 4 h after light 1.424695 1.06346 1.78593 8 h after light 0.746534 0.686231 0.806837 4 h after dark 1.53235 1.46941 1.59529 8 h after dark 2.54578 2.12461 2.96695 12 h after dark 1.6610800000000001 1.34646 1.9757