Table 3 Explanatory variables by statistical model

1

T(day 0)

*

*

*

*

*

2

∆T ₁ = T(day 0) − T(day-1)

*

*

*

*

*

3

∆T ₂ = T(day 0) − T(day-2)

*

*

*

*

*

4

∆T ₃ = T(day 0) − T(day-3)

*

*

*

*

*

5

∆T ₄ = T(day 0) − T(day-4)

*

*

*

*

*

6

∆T ₅ = T(day 0) − T(day-5)

*

*

*

*

*

7

∆T _d  = T _max (day 0) − T _min (day 0)

*

*

*

*

*

8

Thermal seasons (spring, summer, autumn, winter)

*

*

9

Number of days (from the onset of thermal spring)

*

*

*

10

Number of days (from the onset of thermal summer)

*

*

*

11

Number of days (from the onset of thermal autumn)

*

*

*

12

Number of days (from the onset of thermal winter)

*

*

*

13

Astronomical seasons (spring, summer, autumn, winter)

*

14

Number of days (from the onset of astronomical spring)

*

15

Number of days (from the onset of astronomical summer)

*

16

Number of days (from the onset of astronomical autumn)

*

17

Number of days (from the onset of astronomical winter)

*

18

Mismatch days of astronomical and thermal seasons

*

19

Weekday

*

*

*

*

20

Number of days (from the onset of calendar year)

*

*

21

Calendar year

*

*

*

*

*

*