UT   00   01   02   03   04   05   06   07   08   09   10   11   12   13   14   15   16   17   18   19   20   21   22   23   mean
260101 -1.3 -1.1 -1.0 -1.1 -1.2 -1.2 -1.0 -1.0 -1.1 -1.2 -1.4 -1.6 -1.5 -1.6 -1.6 -1.6 -1.7 -1.8 -1.8 -1.9 -1.8 -1.9 -1.5 -1.3   -1.42
260102 -1.6 -1.7 -1.8 -1.8 -1.7 -1.6 -1.7 -1.6 -1.6 -1.7 -2.0 -1.9 -2.0 -2.0 -1.8 -1.6 -1.6 -1.6 -1.7 -1.9 -2.1 -2.1 -2.0 -2.1   -1.80
260103 -2.2 -1.7 -1.7 -1.9 -2.1 -2.2 -2.2 -2.0 -2.0 -2.4 -2.6 -2.5 -2.4 -2.2 -2.2 -2.3 -2.1 -2.2 -2.0 -2.2 -2.3 -2.3 -2.5 -2.3   -2.18
260104 -2.7 -2.6 -2.4 -2.5 -2.3 -2.4 -2.6 -2.5 -2.5 -2.6 -2.6 -2.3 -2.5 -2.6 -2.7 -2.8 -2.9 -2.6 -2.5 -2.3 -2.2 -2.3 -2.2 -2.2   -2.48
260105 -1.9 -1.9 -1.8 -1.7 -1.8 -2.1 -2.4 -2.1 -2.2 -2.0 -2.3 -2.4 -2.5 -2.7 -2.7 -2.5 -2.6 -2.4 -2.6 -2.6 -2.6 -2.5 -2.5 -2.7   -2.31