condition mean min max 4 h after light 193.113972 189.526868 196.701076 8 h after light 192.88375100000002 181.117749 204.649753 12 h after light 227.0807345 190.620573 263.540896 4 h after dark 303.79322149999996 274.194525 333.391918 8 h after dark 282.586478 244.094745 321.078211 12 h after dark 307.307726 307.307726 307.307726