condition mean min max 4 h after light 1118.103546 1023.271408 1212.935684 8 h after light 1103.8724515 1061.155134 1146.589769 12 h after light 1249.7518555000001 1195.209466 1304.294245 4 h after dark 1253.930033 1170.442527 1337.417539 8 h after dark 1653.1399345 1446.847408 1859.432461 12 h after dark 1180.796175 1180.796175 1180.796175