| B21&B31_last 30 days | Band20
   | RGB(20-31-32) | RGB(29-31-32) | 
| 2024-04-28+18h (GMT):   dT(B20-B31)= 22.06;   IQN = xx1122 | 
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| 2024-04-28+14h (GMT):   dT(B20-B31)= 17.77;   IQN = 992 | 
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| 2024-04-27+19h (GMT):   dT(B20-B31)= 11.35;   IQN = 404 | 
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| 2024-04-27+15h (GMT):   dT(B20-B31)= 12.07;   IQN = 559 | 
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| 2024-04-26+18h (GMT):   dT(B20-B31)= 22.81;   IQN = 685 | 
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| 2024-04-26+14h (GMT):   dT(B20-B31)= 19.8;   IQN = 523 | 
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| 2024-04-25+19h (GMT):   dT(B20-B31)= 16.34;   IQN = 839 | 
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| 2024-04-25+15h (GMT):   dT(B20-B31)= 12.27;   IQN = 1011 | 
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| 2023-10-16+18h (GMT):   dT(B20-B31)= 2.81;   IQN = 914 | 
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| 2023-10-16+14h (GMT):   dT(B20-B31)= 5.79;   IQN = 205 | 
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| 2023-10-15+18h (GMT):   dT(B20-B31)= 0.62;   IQN = 593 | 
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| 2023-10-14+18h (GMT):   dT(B20-B31)= 8.29;   IQN = 514 | 
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| 2023-10-14+14h (GMT):   dT(B20-B31)= 3.49;   IQN = 233 | 
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| 2023-10-13+19h (GMT):   dT(B20-B31)= 2.74;   IQN = 994 | 
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| 2023-10-13+14h (GMT):   dT(B20-B31)= 3.86;   IQN = 855 | 
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| 2023-10-12+18h (GMT):   dT(B20-B31)= 6.37;   IQN = 114 | 
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| 2023-10-12+15h (GMT):   dT(B20-B31)= 3.68;   IQN = 689 | 
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| 2023-10-11+14h (GMT):   dT(B20-B31)= 2.36;   IQN = 400 | 
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| 2023-10-10+18h (GMT):   dT(B20-B31)= 2.06;   IQN = 285 | 
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| 2023-10-10+15h (GMT):   dT(B20-B31)= 3.95;   IQN = xx1126 | 
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| 2023-10-09+18h (GMT):   dT(B20-B31)= 3.97;   IQN = 826 | 
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| 2023-10-09+14h (GMT):   dT(B20-B31)= 6.99;   IQN = 37 | 
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| 2023-10-08+19h (GMT):   dT(B20-B31)= 2.51;   IQN = 684 | 
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| 2023-10-08+14h (GMT):   dT(B20-B31)= 6.45;   IQN = xx1051 | 
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| 2023-10-07+18h (GMT):   dT(B20-B31)= 3.1;   IQN = 429 | 
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| 2023-10-07+15h (GMT):   dT(B20-B31)= 3.94;   IQN = 475 | 
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| 2023-10-06+19h (GMT):   dT(B20-B31)= 7.14;   IQN = xx1082 | 
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| 2023-10-06+14h (GMT):   dT(B20-B31)= 3.64;   IQN = 613 | 
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| 2023-10-05+18h (GMT):   dT(B20-B31)= 1.33;   IQN = 32 | 
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| 2023-10-05+15h (GMT):   dT(B20-B31)= 3.07;   IQN = 931 | 
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