| B21&B31_last 30 days | Band20
 | RGB(20-31-32) | RGB(29-31-32) |
| 2010-02-05+16h (GMT): dT(B20-B31)= 3.27; IQN = 568 |
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| 2010-02-05+14h (GMT): dT(B20-B31)= 4.11; IQN = xx1062 |
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| 2010-02-04+17h (GMT): dT(B20-B31)= -2.06; IQN = 894 |
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| 2010-02-04+13h (GMT): dT(B20-B31)= 1.92; IQN = 74 |
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| 2010-02-03+17h (GMT): dT(B20-B31)= 4.65; IQN = 263 |
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| 2010-02-03+12h (GMT): dT(B20-B31)= 1.58; IQN = xx1183 |
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| 2010-02-02+18h (GMT): dT(B20-B31)= -0.35; IQN = xx1184 |
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| 2010-02-02+13h (GMT): dT(B20-B31)= 3.08; IQN = 254 |
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| 2010-02-01+17h (GMT): dT(B20-B31)= 1.31; IQN = 89 |
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| 2010-02-01+12h (GMT): dT(B20-B31)= 3.6; IQN = 878 |
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| 2010-01-31+16h (GMT): dT(B20-B31)= 0.76; IQN = xx1070 |
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| 2010-01-31+13h (GMT): dT(B20-B31)= 5.06; IQN = 576 |
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| 2010-01-30+17h (GMT): dT(B20-B31)= 0.21; IQN = 386 |
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| 2010-01-30+13h (GMT): dT(B20-B31)= 5.36; IQN = 547 |
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| 2010-01-29+16h (GMT): dT(B20-B31)= 1.56; IQN = 750 |
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| 2010-01-29+14h (GMT): dT(B20-B31)= 2.27; IQN = 891 |
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| 2010-01-28+17h (GMT): dT(B20-B31)= 1.1; IQN = 691 |
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| 2010-01-28+13h (GMT): dT(B20-B31)= 7.07; IQN = 230 |
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| 2010-01-27+17h (GMT): dT(B20-B31)= -1.3; IQN = 417 |
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| 2010-01-27+14h (GMT): dT(B20-B31)= 5.16; IQN = xx1224 |
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| 2010-01-26+17h (GMT): dT(B20-B31)= 1.18; IQN = 1040 |
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| 2010-01-26+13h (GMT): dT(B20-B31)= 1.42; IQN = 84 |
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| 2010-01-25+17h (GMT): dT(B20-B31)= 0.55; IQN = 107 |
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| 2010-01-25+12h (GMT): dT(B20-B31)= 3.05; IQN = 1030 |
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| 2010-01-24+16h (GMT): dT(B20-B31)= -4.6; IQN = xx1225 |
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| 2010-01-24+13h (GMT): dT(B20-B31)= -1.11; IQN = 415 |
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| 2010-01-23+17h (GMT): dT(B20-B31)= 0.79; IQN = 237 |
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| 2010-01-23+13h (GMT): dT(B20-B31)= 2.01; IQN = 715 |
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| 2010-01-22+16h (GMT): dT(B20-B31)= -2.72; IQN = 912 |
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| 2010-01-22+14h (GMT): dT(B20-B31)= 4.95; IQN = 710 |
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