Table 2 The laboratory water standards used in the measurements, along with their mean values and precision.

From: Three Years of Stable Water Isotope Data of Daily Rain Samples Collected from Three Geomorphic Regions of India

Standard

Instrument with model number

δ18O (‰-VSMOW)

δ2H (‰-VSMOW)

LPS-1410

LGR, TIWA - 45- EP

−11.6 ± 0.06

−78 ± 0.4

E1-2

LGR, TIWA - 45- EP

−10.3 ± 0.14

−42 ± 0.3

RW2

LGR, TIWA - 45- EP

−4.2 ± 0.08

−23 ± 0.4

RO1

LGR, TIWA - 45- EP

−2.9 ± 0.07

−14 ± 0.9

IITM-EN2-1

LGR, TIWA - 45- EP

8.2 ± 0.17

25 ± 1.5