condition mean min max 4 h after light 251.767581 245.34027 258.194892 8 h after light 229.908882 184.158707 275.659057 12 h after light 232.18032699999998 212.809372 251.551282 4 h after dark 248.398523 216.982086 279.81496 8 h after dark 255.783423 249.380557 262.186289 12 h after dark 188.89657 188.89657 188.89657