Table 5 Probability distribution of index grading
From: Research on precision management of farming season based on big data
Precipitation | Sunshine duration | Temperature | Accumulated temperature | |
|---|---|---|---|---|
− 2 | 2 | |||
− 1 | 60 | |||
0 | 4150 | 949 | 1321 | 235 |
1 | 50 | 89 | 651 | 304 |
2 | 21 | 113 | 602 | 959 |
3 | 5 | 154 | 757 | 1278 |
4 | 3 | 132 | 561 | 355 |
5 | 1 | 169 | 264 | 264 |
6 | 0 | 233 | 14 | 234 |
7 | 0 | 423 | 205 | |
8 | 1 | 717 | 177 | |
9 | 1 | 435 | 160 | |
10 | 399 | 61 | ||
11 | 263 | |||
12 | 140 |