Table 5 Changes per year and trends of the Daily Temperature Range (DTR), Growing Degree Days (GDD), and Growing Season Length (GSL) for observed (1989–2014) and two future periods: FP1 (2026–2050) and FP2 (2051–2075), under two shared socioeconomic pathways SSP2-4.5 and SSP5-8.5.

From: Future projections of temperature-related indices in Prince Edward Island using ensemble average of three CMIP6 models

Stations		DTR (°C/year)					GDD (Degree-days/year)					GSL (days/year)
		OBS	FP1		FP2		OBS	FP1		FP2		OBS	FP1		FP
		OBS	SSP2-4.5	SSP5-8.5	SSP2-4.5	SSP2-4.5	OBS	SSP2-4.5	SSP5-8.5	SSP2-4.5	SSP5-8.5	OBS	SSP2-4.5	SSP5-8.5	SSP2-4.5	SSP5-8.5
East Point	Observed	↑0.08^a					↑2.90					↑0.88^c
	NORESM2-MM		↑0.07^c	↑0.07^c	↑0.08^b	↑0.07^b		↑2.23	↑10.36	↑4.34	↑9.49^c		↑1.38	↑2.39^c	↑1.40^c	↑0.37
	MPI-ESM1.2-HR		↑0.08^c	↑0.09^b	↑0.06^a	↑0.09^c		↑17.66^a	↑11.25^c	↑7.94	↑14.63^c		↑1.23	↑1.73^b	↑0.58	↑0.63
	CanESM5		↑0.07^b	↑0.09^c	↑0.08^b	↑0.09^a		↑13.18^c	↑13.69^c	↑10.32	↑16.75^b		↑0.63	↑0.92	↑1.39^c	↑1.67^a
	Ensemble-Average		↑0.08^b	↑0.09^b	↑0.08^a	↑0.09^b		↑12.93^b	↑12.13^a	↑11.02^c	↑15.58^a		↑1.88^b	↑0.98	↑2.04^a	↑1.59^c
Charlottetown	Observed	↑0.03^b					↑5.78					↑0.72^c
	NORESM2-MM		↑0.01	↑0.01	↑0.02	↑0.02		↑0.64	↑6.69	↑3.30	↑4.78		↑0.66	↑1.25	↑1.38^a	0.00
	MPI-ESM1.2-HR		↑0.02	↑0.02	↑0.02	↑0.02		↑16.10^c	↑11.26	↑6.74	↑11.65^c		↑0.54	↑1.27	↑1.00	↑0.94
	CanESM5		↑0.01	↑0.03	↑0.02	↑0.05^b		↑8.42^a	↑10.92^c	↑7.93	↑17.13^c		↑0.30	↑0.90	↑0.63	↑0.67
	Ensemble-Average		↑0.01	↑0.02	↑0.03	↑0.04^a		↑10.66^a	↑10.17^b	↑6.59	↑14.48^a		↑0.33	↑1.32	↑1.14^c	↑1.27^c
Summerside	Observed	↑0.01					↑3.49					↑0.09
	NORESM2-MM		↑0.03^c	↑0.04^c	↑0.02^c	↑0.04^b		↑2.36	↑7.39	↑2.00	↑8.51		↑1.32	↑0.09	↑2.32^c	↑0.03
	MPI-ESM1.2-HR		↑0.04	↑0.03	↑0.05^c	↑0.03^c		v11.74	↑7.61	↑5.38	↑11.43^c		↑1.00	↑1.27	↑0.07	↑0.61
	CanESM5		↑0.05^a	↑0.05^a	↑0.06^a	↑0.06^a		↑6.79	↑7.51^a	↑5.42	↑13.07^c		↑0.49	↑1.17^c	↑0.44	↑1.35
	Ensemble-Average		↑0.04^b	↑0.04^b	↑0.04^a	↑0.05^a		↑6.33	↑7.78^c	↑4.29	↑12.05^b		↑0.18	↑1.72^a	↑1.38	↑2.31^b
North Cape	Observed	↑0.06^a					↑2.73					↑0.50^c
	NORESM2-MM		↑0.07	↑0.08	↑0.05	↑0.05		↑0.88	↑6.96	↑5.41	↑9.24		↑0.20	↑0.87	↑0.92	↑0.74
	MPI-ESM1.2-HR		↑0.08	↑0.09	↑0.05	↑0.08		↑13.42^c	↑7.02	↑4.76	↑12.59^c		↑0.73	↑0.29	↑0.76	↑0.54
	CanESM5		↑0.06	↑0.07	↑0.05	↑0.07		↑6.16	↑8.06	↑4.94	↑12.70		↑0.17	↑0.86	↑0.37	↑0.33
	Ensemble-Average		↑0.07	↑0.08	↑0.07	↑0.07		↑9.64^b	↑9.40	↑5.41	↑11.71^b		↑0.71	↑1.37^a	↑0.42	↑2.20^b

↑ Increasing trend, ↓ Decreasing trend, ^aSignificant at 0.001 level (99.9%); ^bSignificant at 0.01 level (99%); ^cSignificant at 0.05 level (95%).

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Table 5 Changes per year and trends of the Daily Temperature Range (DTR), Growing Degree Days (GDD), and Growing Season Length (GSL) for observed (1989–2014) and two future periods: FP1 (2026–2050) and FP2 (2051–2075), under two shared socioeconomic pathways SSP2-4.5 and SSP5-8.5.

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