condition mean min max 4 h after light 0.251722 0.0 0.755166 8 h after light 1.51482 1.02527 2.48146 12 h after light 0.9962903333333334 0.860562 1.16938 4 h after dark 0.7233736666666667 0.204511 1.2775 8 h after dark 0.5995456666666666 0.0 0.928302 12 h after dark 0.464928 0.283431 0.80259