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Lapse rates are calculated for the individual months and for the individual watersheds within the basin. Table 4 provides an internally consistent set of values of λ_a for different months within the major watersheds of UIB.

Table 4

Monthly average lapse rates in the individual watersheds of UIB

	Gilgit	Hunza	Shigar	Shyok	Astore	Shingo	Kharmong
Jan	0.00591	0.00602	0.00641	0.00403	0.00577	0.00709	0.00840
Feb	0.00663	0.00631	0.00668	0.00587	0.00619	0.00824	0.00819
Mar	0.00690	0.00655	0.00716	0.00730	0.00657	0.00955	0.00899
Apr	0.00663	0.00649	0.00747	0.00743	0.00658	0.00922	0.01026
May	0.00618	0.00660	0.00743	0.00738	0.00677	0.00912	0.00962
Jun	0.00556	0.00661	0.00771	0.00680	0.00658	0.00861	0.00908
Jul	0.00605	0.00625	0.00734	0.00598	0.00675	0.00825	0.00995
Aug	0.00596	0.00596	0.00746	0.00594	0.00647	0.00756	0.01017
Sep	0.00538	0.00618	0.00736	0.00494	0.00619	0.00751	0.00905
Oct	0.00575	0.00666	0.00787	0.00446	0.00626	0.00729	0.00986
Nov	0.00561	0.00656	0.00749	0.00346	0.00617	0.00727	0.00956
Dec	0.00547	0.00641	0.00689	0.00357	0.00588	0.00707	0.00933

	Gilgit	Hunza	Shigar	Shyok	Astore	Shingo	Kharmong
Jan	0.00591	0.00602	0.00641	0.00403	0.00577	0.00709	0.00840
Feb	0.00663	0.00631	0.00668	0.00587	0.00619	0.00824	0.00819
Mar	0.00690	0.00655	0.00716	0.00730	0.00657	0.00955	0.00899
Apr	0.00663	0.00649	0.00747	0.00743	0.00658	0.00922	0.01026
May	0.00618	0.00660	0.00743	0.00738	0.00677	0.00912	0.00962
Jun	0.00556	0.00661	0.00771	0.00680	0.00658	0.00861	0.00908
Jul	0.00605	0.00625	0.00734	0.00598	0.00675	0.00825	0.00995
Aug	0.00596	0.00596	0.00746	0.00594	0.00647	0.00756	0.01017
Sep	0.00538	0.00618	0.00736	0.00494	0.00619	0.00751	0.00905
Oct	0.00575	0.00666	0.00787	0.00446	0.00626	0.00729	0.00986
Nov	0.00561	0.00656	0.00749	0.00346	0.00617	0.00727	0.00956
Dec	0.00547	0.00641	0.00689	0.00357	0.00588	0.00707	0.00933

Station pairs and period of records.

Gilgit: Gilgit–Schandur (1995–2005); Hunza: Naltar–Khunjerab (1999–2010); Shigar: Shigar–Khunjerab (1999–2010).

Shyok: Skardu–Hushey (1999–2010); Astore: Astore–Burzil (1999–2010); Shingo: Skardu–Deosai (1999–2010).

Kharmong: Leh–Demchok (1978–1990).

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