| B21&B31_last 30 days | Band20
 | RGB(20-31-32) | RGB(29-31-32) |
| 2009-11-17+17h (GMT): dT(B20-B31)= 4.43; IQN = 236 |
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| 2009-11-17+14h (GMT): dT(B20-B31)= 9.57; IQN = 275 |
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| 2009-11-16+16h (GMT): dT(B20-B31)= 6.54; IQN = 907 |
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| 2009-11-16+13h (GMT): dT(B20-B31)= 8.56; IQN = 865 |
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| 2009-11-15+17h (GMT): dT(B20-B31)= 4.55; IQN = 571 |
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| 2009-11-15+14h (GMT): dT(B20-B31)= 8.61; IQN = 612 |
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| 2009-11-14+16h (GMT): dT(B20-B31)= 5.94; IQN = 581 |
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| 2009-11-14+13h (GMT): dT(B20-B31)= 6.09; IQN = 543 |
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| 2009-11-13+17h (GMT): dT(B20-B31)= 8.51; IQN = 896 |
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| 2009-11-13+14h (GMT): dT(B20-B31)= 11.44; IQN = 934 |
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| 2009-11-12+16h (GMT): dT(B20-B31)= 5.92; IQN = 250 |
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| 2009-11-12+13h (GMT): dT(B20-B31)= 8; IQN = 207 |
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| 2009-11-10+16h (GMT): dT(B20-B31)= 6.04; IQN = 77 |
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| 2009-11-10+13h (GMT): dT(B20-B31)= 6.62; IQN = 114 |
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| 2009-11-09+16h (GMT): dT(B20-B31)= 21.95; IQN = xx1070 |
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| 2009-11-09+13h (GMT): dT(B20-B31)= 16.95; IQN = 1041 |
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| 2009-11-08+17h (GMT): dT(B20-B31)= 6.38; IQN = 407 |
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| 2009-11-08+14h (GMT): dT(B20-B31)= 7; IQN = 436 |
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| 2009-11-07+16h (GMT): dT(B20-B31)= 4.7; IQN = 741 |
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| 2009-11-07+13h (GMT): dT(B20-B31)= 5.14; IQN = 703 |
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| 2009-11-06+17h (GMT): dT(B20-B31)= 8.03; IQN = 737 |
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| 2009-11-06+14h (GMT): dT(B20-B31)= 8.07; IQN = 773 |
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| 2009-11-05+16h (GMT): dT(B20-B31)= 5.96; IQN = 414 |
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| 2009-11-05+13h (GMT): dT(B20-B31)= 7; IQN = 383 |
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| 2009-11-04+17h (GMT): dT(B20-B31)= 7.55; IQN = xx1063 |
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| 2009-11-04+14h (GMT): dT(B20-B31)= 11.81; IQN = xx1094 |
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| 2009-11-03+16h (GMT): dT(B20-B31)= 3.3; IQN = 83 |
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| 2009-11-03+13h (GMT): dT(B20-B31)= 4.08; IQN = 46 |
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| 2009-11-01+17h (GMT): dT(B20-B31)= 4.93; IQN = 240 |
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| 2009-11-01+14h (GMT): dT(B20-B31)= 4.71; IQN = 274 |
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