condition mean min max 4 h after light 215.4 215.4 215.4 8 h after light 197.6 186.0 209.2 12 h after light 236.39999999999998 181.4 291.4 4 h after dark 236.75 228.3 245.2 8 h after dark 224.25 216.1 232.4 12 h after dark 267.29999999999995 266.7 267.9