Table 2. Percent regression coefficient (%) of rice yield response to climate variables.

Cool cropping season					Warm cropping season
Cultivar	ΔT	ΔDTR	ΔR	ΔS	Cultivar	ΔT	ΔDTR	ΔR	ΔS
NM	37.94	−61.38	−2.12	−0.35	NM	−16.28	−9.45	−4.00	−29.87
TCS2	71.82	−69.51	−3.80	−5.04	TCS2	−15.55	−2.51	−2.69	−11.80
BK	7.28	−3.99	−2.13	−6.61	JG	−5.22	1.50	−1.44	−9.95
TCS6	−8.00	−40.92	−11.42	−2.36	WY	−4.57	−1.95	−1.47	−9.07
Mean	27.26	−43.95	−4.87	−3.59	Mean	−10.41	−3.10	−2.40	−15.17
WG	3.29	−2.14	0.09	0.80	SJ	−4.30	−0.73	−0.06	4.66
BMF	0.00	2.68	−1.13	4.21	SL	−8.85	−7.99	−3.71	1.13
TC65	2.98	−5.90	−1.03	1.25	TC65	−0.03	2.77	−0.35	2.80
TC150	−1.30	−8.01	−0.68	7.13	TC150	−6.57	0.27	−0.81	3.64
Mean	1.24	−3.34	−0.69	3.35	Mean	−4.94	−1.42	−1.23	3.06
TCI1	0.61	−10.64	−1.33	5.27	TCI2	−67.40	34.51	−9.34	−13.88
TCI3	−13.08	−22.99	1.56	8.82	TCI3	−46.75	−64.65	−1.41	58.85
Mean	−6.23	−16.82	0.11	7.04	Mean	−57.08	−15.07	−5.38	22.49
TA67	−2.32	24.94	0.65	−9.46	TA67	13.96	−3.49	−0.52	−5.96
TC189	−6.29	31.44	1.47	−7.99	TC189	−5.93	−8.56	−3.21	−1.57
TCI10	−3.88	23.83	0.14	−3.55	TCI10	−0.98	−13.86	−3.45	−3.91
TJ9	−11.19	48.61	0.92	−9.24	TJ9	−10.02	−8.33	−4.09	−8.83
Mean	−5.92	32.20	0.79	−7.56	Mean	−0.74	−8.56	−2.82	−5.07

Note:

ΔT, ΔDTR, ΔR, and ΔS represent the first difference values of average temperature, diurnal temperature range, rainfall, and sunshine duration, respectively.