condition mean min max 4 h after light 256.0065755 250.57282 261.440331 8 h after light 312.519099 295.924364 329.113834 12 h after light 366.5800465 358.928036 374.232057 4 h after dark 444.383562 383.208854 505.55827 8 h after dark 394.339258 330.462826 458.21569 12 h after dark 250.916128 250.916128 250.916128