condition mean min max 4 h after light 257.606354 215.616672 299.596036 8 h after light 269.2933205 269.098743 269.487898 12 h after light 269.5590465 237.230372 301.887721 4 h after dark 298.090776 267.971465 328.210087 8 h after dark 294.3494325 277.872644 310.826221 12 h after dark 350.598264 350.598264 350.598264