condition mean min max 4 h after light 154.2055 152.431 155.98 8 h after light 161.03199999999998 159.833 162.231 12 h after light 145.31650000000002 144.413 146.22 4 h after dark 215.0275 203.501 226.554 8 h after dark 202.014 196.637 207.391 12 h after dark 190.42 181.509 199.331