condition mean min max 4 h after light 241.464094 193.496802 289.431386 8 h after light 315.6464505 308.720489 322.572412 12 h after light 283.8457465 256.643224 311.048269 4 h after dark 255.149673 181.155134 329.144212 8 h after dark 203.1187625 196.30898 209.928545 12 h after dark 429.13607 429.13607 429.13607