condition mean min max 4 h after light 190.072245 178.297049 201.847441 8 h after light 192.9834705 189.960387 196.006554 12 h after light 215.8917525 194.381134 237.402371 4 h after dark 199.340553 191.155134 207.525972 8 h after dark 219.0070355 212.038517 225.975554 12 h after dark 229.287396 229.287396 229.287396