| B21&B31_last 30 days | Band20
 | RGB(20-31-32) | RGB(29-31-32) |
| 2009-11-17+16h (GMT): dT(B20-B31)= 2.76; IQN = 122 |
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| 2009-11-17+12h (GMT): dT(B20-B31)= 0; IQN = 386 |
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| 2009-11-16+16h (GMT): dT(B20-B31)= 10.11; IQN = 970 |
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| 2009-11-16+13h (GMT): dT(B20-B31)= 7.51; IQN = 1025 |
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| 2009-11-15+17h (GMT): dT(B20-B31)= 1.81; IQN = 481 |
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| 2009-11-15+12h (GMT): dT(B20-B31)= 8.54; IQN = 74 |
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| 2009-11-14+16h (GMT): dT(B20-B31)= 0.46; IQN = 669 |
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| 2009-11-14+13h (GMT): dT(B20-B31)= 1.13; IQN = xx1363 |
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| 2009-11-14+12h (GMT): dT(B20-B31)= 0.76; IQN = xx1160 |
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| 2009-11-13+17h (GMT): dT(B20-B31)= 7.55; IQN = 762 |
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| 2009-11-13+13h (GMT): dT(B20-B31)= 0.07; IQN = 230 |
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| 2009-11-12+16h (GMT): dT(B20-B31)= 0.01; IQN = 315 |
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| 2009-11-12+12h (GMT): dT(B20-B31)= 2.78; IQN = 862 |
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| 2009-11-11+17h (GMT): dT(B20-B31)= 6.52; IQN = xx1135 |
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| 2009-11-10+16h (GMT): dT(B20-B31)= 7; IQN = 25 |
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| 2009-11-10+12h (GMT): dT(B20-B31)= 6.67; IQN = 552 |
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| 2009-11-09+16h (GMT): dT(B20-B31)= 0.66; IQN = xx1138 |
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| 2009-11-09+13h (GMT): dT(B20-B31)= 2.07; IQN = 839 |
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| 2009-11-08+16h (GMT): dT(B20-B31)= 0.57; IQN = 280 |
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| 2009-11-08+12h (GMT): dT(B20-B31)= 1.03; IQN = 228 |
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| 2009-11-07+16h (GMT): dT(B20-B31)= 4.4; IQN = 820 |
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| 2009-11-07+13h (GMT): dT(B20-B31)= 1.26; IQN = xx1197 |
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| 2009-11-07+11h (GMT): dT(B20-B31)= 1.15; IQN = xx1361 |
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| 2009-11-06+17h (GMT): dT(B20-B31)= 0.39; IQN = 620 |
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| 2009-11-06+12h (GMT): dT(B20-B31)= 1.19; IQN = 75 |
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| 2009-11-05+16h (GMT): dT(B20-B31)= 0.19; IQN = 508 |
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| 2009-11-05+12h (GMT): dT(B20-B31)= 1.44; IQN = 1010 |
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| 2009-11-04+17h (GMT): dT(B20-B31)= 5.17; IQN = 907 |
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| 2009-11-04+13h (GMT): dT(B20-B31)= 5.42; IQN = 400 |
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| 2009-11-03+16h (GMT): dT(B20-B31)= 0.41; IQN = 170 |
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