condition mean min max 3 h after light 108.146 105.399 111.363 6 h after light 43.47343333333333 38.2192 48.0713 9 h after light 28.5735 24.2505 34.1907 12 h after light 73.654475 43.4632 147.865 3 h after dark 53.9037 43.3091 60.0744 6 h after dark 85.76299999999999 81.4935 90.8903 9 h after dark 126.64433333333334 122.003 134.162 12 h after dark 176.52800000000002 168.931 184.125