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 
250101 -2.9 -3.0 -2.8 -2.7 -2.8 -3.1 -3.1 -3.2 -3.0 -3.1 -3.4 -3.7 -3.2 -3.2 -3.6 -3.8 -4.0 -4.1 -4.0 -4.4 -4.7 -4.9 -5.3 -5.4   -3.64 
250102 -5.0 -4.9 -4.8 -4.7 -4.8 -4.8 -4.7 -4.5 -4.5 -4.0 -3.8 -3.9 -3.6 -3.7 -4.0 -3.9 -3.7 -3.8 -3.6 -3.5 -3.4 -3.5 -3.5 -3.7   -4.08 
250103 -3.1 -2.9 -2.7 -2.5 -2.6 -2.6 -2.6 -2.6 -2.6 -2.5 -2.6 -2.3 -2.3 -2.2 -2.2 -2.2 -2.2 -2.4 -2.4 -2.4 -2.6 -2.8 -2.4 -2.2   -2.51 
250104 -2.0 -1.9 -1.8 -1.6 -1.8 -2.1 -2.1 -2.4 -2.3 -2.6 -2.6 -2.7 -2.9 -3.0 -3.0 -3.0 -2.8 -2.8 -2.8 -3.1 -3.0 -3.0 -3.0 -3.2   -2.56 
250105 -3.2 -3.2 -2.9 -2.6 -2.4 -2.7 -2.7 -2.9 -2.9 -2.8 -2.9 -2.7 -2.7 -2.5 -2.4 -2.6 -2.6 -2.5 -2.6 -2.7 -2.5 -2.4 -2.1 -2.2   -2.65 
250106 -2.3 -2.2 -2.4 -2.3 -2.3 -2.1 -2.2 -2.2 -2.2 -2.3 -2.3 -2.2 -2.3 -2.1 -2.1 -2.5 -2.4 -2.3 -2.2 -2.4 -2.0 -1.9 -1.9 -2.0   -2.21 
250107 -1.9 -1.9 -1.9 -1.7 -1.6 -1.7 -1.7 -1.7 -1.7 -1.7 -2.0 -2.1 -2.2 -2.0 -2.2 -2.2 -2.1 -1.8 -1.8 -1.7 -1.7 -1.7 -2.0 -1.9   -1.88 
250108 -2.1 -2.2 -2.1 -1.9 -2.0 -2.0 -2.1 -2.2 -2.2 -2.3 -2.4 -2.4 -2.7 -2.7 -2.8 -2.8 -2.6 -2.4 -2.4 -2.5 -2.4 -2.6 -2.6 -2.7   -2.39 
250109 -2.6 -2.3 -2.3 -2.3 -2.4 -2.2 -2.1 -2.2 -2.3 -2.4 -2.3 -2.0 -2.0 -2.2 -2.5 -2.3 -2.0 -2.1 -2.3 -2.3 -2.1 -2.1 -2.2 -2.1   -2.23 
250110 -2.1 -2.2 -2.1 -2.2 -2.1 -2.2 -1.9 -1.6 -1.8 -1.9 -2.1 -2.3 -2.2 -2.1 -2.2 -2.2 -2.2 -2.5 -2.8 -2.8 -2.4 -2.2 -2.0 -2.1   -2.17 
250111 -2.3 -2.3 -2.1 -2.2 -2.3 -2.4 -2.3 -2.2 -2.2 -2.4 -2.5 -2.6 -2.8 -2.6 -2.6 -2.4 -2.4 -2.4 -2.3 -2.2 -2.1 -2.4 -2.4 -2.4   -2.36 
250112 -2.4 -2.3 -2.4 -2.4 -2.6 -2.5 -2.3 -2.3 -2.1 -2.1 -2.3 -2.4 -2.7 -2.7 -2.6 -2.5 -2.5 -2.6 -2.6 -2.6 -2.7 -2.6 -2.6 -2.5   -2.46 
250113 -2.1 -1.9 -1.7 -1.6 -1.7 -1.8 -2.0 -2.2 -2.2 -2.1 -1.7 -1.9 -2.0 -2.2 -2.2 -2.4 -2.5 -2.2 -2.0 -2.4 -2.3 -2.0 -2.3 -2.3   -2.08 
250114 -2.4 -2.5 -2.4 -2.3 -2.4 -2.4 -2.3 -2.0 -2.0 -2.1 -2.1 -2.2 -2.3 -2.2 -1.9 -1.7 -1.8 -1.9 -1.8 -2.0 -2.1 -2.2 -2.0 -2.0   -2.12 
250115 -1.8 -2.0 -1.9 -2.1 -2.5 -2.5 -2.3 -2.1 -2.3 -2.4 -2.5 -2.4 -2.3 -2.4 -2.5 -2.4 -2.3 -2.4 -2.4 -2.4 -2.6 -2.4 -2.3 -2.1   -2.31 
250116 -2.2 -2.3 -1.9 -2.0 -2.0 -2.0 -2.0 -2.0 -2.1 -2.2 -2.3 -2.3 -2.1 -2.0 -2.0 -1.9 -1.9 -1.9 -2.2 -2.6 -2.4 -2.1 -1.8 -1.8   -2.08 
250117 -1.8 -2.0 -2.2 -2.1 -2.0 -1.4 -1.2 -1.6 -1.7 -1.8 -1.6 -1.8 -1.9 -1.6 -1.7 -1.7 -1.4 -1.6 -1.6 -1.4 -1.7 -2.1 -2.1 -1.6   -1.74 
250118 -1.7 -1.5 -1.6 -1.8 -1.8 -2.0 -1.9 -1.7 -1.7 -1.8 -1.9 -1.9 -1.9 -2.1 -2.0 -2.0 -2.0 -1.9 -2.1 -2.2 -2.2 -2.0 -1.9 -1.8   -1.89 
250119 -1.8 -1.6 -1.7 -1.6 -1.8 -1.6 -1.4 -1.6 -1.7 -1.7 -1.8 -2.0 -2.0 -2.1 -2.1 -1.9 -2.0 -1.8 -1.2 -1.3 -1.4 -1.5 -1.4 -1.6   -1.68 
250120 -1.7 -1.7 -1.6 -1.7 -1.6 -1.7 -1.6 -1.6 -1.5 -1.6 -1.6 -1.7 -1.8 -2.0 -1.6 -1.4 -1.5 -1.7 -1.8 -1.7 -1.7 -1.5 -1.6 -1.4   -1.64 
250121 -1.4 -1.5 -1.5 -1.5 -1.5 -1.6 -1.6 -1.5 -1.4 -1.5 -1.7 -1.9 -1.9 -1.9 -1.6 -1.7 -1.8 -1.5 -1.3 -1.0 -1.0 -1.2 -1.4 -1.5   -1.52 
250122 -1.7 -1.8 -1.6 -1.5 -1.4 -1.2 -1.2 -1.2 -1.4 -1.5 -1.7 -1.7 -1.6 -1.9 -1.4 -1.6 -1.7 -1.6 -1.4 -1.4 -1.6 -1.9 -2.0 -1.9   -1.58 
250123 -1.6 -1.4 -1.2 -1.1 -1.0 -1.2 -1.2 -1.4 -1.4 -1.3 -1.6 -1.7 -1.7 -1.5 -1.2 -1.5 -1.2 -1.1 -1.2 -1.8 -1.6 -1.3 -1.3 -1.6   -1.38