condition mean min max 4 h after light 339.789 294.257 385.321 8 h after light 317.5535 266.6 368.507 12 h after light 682.9735000000001 622.441 743.506 4 h after dark 1143.4533333333334 1118.51 1168.62 8 h after dark 1147.2766666666666 1021.29 1213.47 12 h after dark 616.699 520.688 673.59