condition mean min max 4 h after light 191.298951 134.98922 247.608682 8 h after light 127.13898900000001 97.627573 156.650405 12 h after light 106.6465335 106.640257 106.65281 4 h after dark 162.3940535 117.385903 207.402204 8 h after dark 181.25910950000002 173.770518 188.747701 12 h after dark 243.507843 243.507843 243.507843