condition mean min max 4 h after light 136.8121295 116.278241 157.346018 8 h after light 140.53360049999998 136.16383 144.903371 12 h after light 124.02144 108.924365 139.118515 4 h after dark 148.147932 127.525346 168.770518 8 h after dark 134.8631825 119.591455 150.13491 12 h after dark 109.991398 109.991398 109.991398