Table 2 Meteorological conditions in Yangtze River basin during 2005–2020, stratified by different ENSO phases and season
Monthly weather mean (SD) | Year round | Spring | Summer | Fall | Winter |
|---|---|---|---|---|---|
Tmax (℃) | |||||
Normal | 20.1 (8.4) | 21.0 (5.1) | 29.1 (4.0) | 21.5 (5.5) | 9.6 (3.4) |
El Niño | 19.6 (8.5) | 20.2 (4.8) | 29.2 (4.1) | 19.2 (5.8) | 9.9 (3.3) |
La Niña | 20.4 (8.2) | 21.4 (5.2) | 29.9 (4.2) | 21.3 (5.2) | 9.3 (3.7) |
Rainfall (mm) | |||||
Normal | 117.1 (97.8) | 134.6 (90.9) | 198.4 (107.1) | 88.0 (64.2) | 48.3 (45.3) |
El Niño | 129.5 (104.8) | 135.3 (94.6) | 208.8 (115.2) | 102.9 (62.4) | 59.8 (56.9) |
La Niña | 100.2 (80.4) | 112.8 (75.4) | 182.7 (90.4) | 74.4 (49.6) | 43.6 (38.3) |