condition mean min max 4 h after light 381.019669 365.045562 396.993776 8 h after light 348.013095 332.637131 363.389059 12 h after light 313.0928645 252.152944 374.032785 4 h after dark 292.450803 265.989713 318.911893 8 h after dark 323.406569 314.179556 332.633582 12 h after dark 267.673779 267.673779 267.673779