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Table 1

Data Information of the selected 20 watersheds with long record lengths in Norway

Station_ID	Name	Area (km²)	Data period	Record length	Longitude	Latitude	P-value
2.32	Atnasjø	463.3	1916–2015	100	10.22	61.85	0.095
2.145	Losna	11,200	1896–2017	122	10.28	61.33	0.022*
2.614	Rosten	1,833	1917–2015	99	9.40	61.86	0.685
2.1088	Glomma ved Skogmuseet	15,500	1871–2017	147	11.56	60.87	0.000*
12.228	Kistefoss	3,703	1917–2015	99	10.36	60.22	0.050*
16.23	Kirkevollbru	3,845.4	1906–2015	110	9.04	59.69	0.001*
19.127	Rygenetotal	3,946.4	1900–2015	116	8.67	58.41	0.011*
20.3	Flaksvatn	1,780	1900–2017	118	8.20	58.33	0.719
22.4	Kjæøemo	1,757.7	1897–2015	119	7.53	58.12	0.115
27.24	Helleland	184.7	1897–2015	119	6.15	58.53	0.009*
41.1	Stordalsvatn	130.7	1913–2015	103	6.01	59.68	0.340
48.1	Sandvenvatn	470	1908–2017	110	6.55	60.01	0.502
72.77	Flåm bru	263	1908–2017	110	7.12	60.84	0.020*
88.4	Lovatn	234.9	1900–2015	116	6.89	61.86	0.003*
133.7	Krinsvatn	206.6	1916–2015	100	10.23	63.80	0.187
152.4	Fustvatn	525.7	1909–2015	107	13.31	65.91	0.019*
191.2	Øvrevatn	526	1914–2015	102	17.94	68.86	0.679
234.18	Polmak	14,161.4	1912–2015	104	28.02	70.07	0.161
311.4	Femundsenden (Femunden)	1,790	1896–2017	122	11.94	61.92	0.081
311.6	Nybergsund	4,424.9	1909–2015	107	12.32	61.26	0.413

Station_ID	Name	Area (km²)	Data period	Record length	Longitude	Latitude	P-value
2.32	Atnasjø	463.3	1916–2015	100	10.22	61.85	0.095
2.145	Losna	11,200	1896–2017	122	10.28	61.33	0.022*
2.614	Rosten	1,833	1917–2015	99	9.40	61.86	0.685
2.1088	Glomma ved Skogmuseet	15,500	1871–2017	147	11.56	60.87	0.000*
12.228	Kistefoss	3,703	1917–2015	99	10.36	60.22	0.050*
16.23	Kirkevollbru	3,845.4	1906–2015	110	9.04	59.69	0.001*
19.127	Rygenetotal	3,946.4	1900–2015	116	8.67	58.41	0.011*
20.3	Flaksvatn	1,780	1900–2017	118	8.20	58.33	0.719
22.4	Kjæøemo	1,757.7	1897–2015	119	7.53	58.12	0.115
27.24	Helleland	184.7	1897–2015	119	6.15	58.53	0.009*
41.1	Stordalsvatn	130.7	1913–2015	103	6.01	59.68	0.340
48.1	Sandvenvatn	470	1908–2017	110	6.55	60.01	0.502
72.77	Flåm bru	263	1908–2017	110	7.12	60.84	0.020*
88.4	Lovatn	234.9	1900–2015	116	6.89	61.86	0.003*
133.7	Krinsvatn	206.6	1916–2015	100	10.23	63.80	0.187
152.4	Fustvatn	525.7	1909–2015	107	13.31	65.91	0.019*
191.2	Øvrevatn	526	1914–2015	102	17.94	68.86	0.679
234.18	Polmak	14,161.4	1912–2015	104	28.02	70.07	0.161
311.4	Femundsenden (Femunden)	1,790	1896–2017	122	11.94	61.92	0.081
311.6	Nybergsund	4,424.9	1909–2015	107	12.32	61.26	0.413

‘*’ denotes the trend is significant at 5% significance level.