condition mean min max 0 h after light 8.13183 7.23613 9.02753 2 h after light 9.29031 7.72322 10.8574 4 h after light 10.4237 10.3072 10.5402 8 h after light 7.45697 6.49523 8.41871 12 h after light 10.59195 10.1126 11.0713 2 h after dark 12.95315 12.8107 13.0956 4 h after dark 11.428650000000001 10.9848 11.8725 8 h after dark 10.080375 9.96455 10.1962 12 h after dark 8.159595 7.36324 8.95595