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To see the annual variation of snow coverage from each source independently click here
Monthly average snow coverage (%)
 01/1997 GGCIP/GAPP V2.1 at 1/8 deg. |
 01/1997 GCIP/GAPP V2.0 at 1/2 deg. |
 01/1997 GCIP/GAPP V1.0 at 1/2 deg. |
IMS product started in February 1997 |
 02/1997 GGCIP/GAPP V2.1 at 1/8 deg. |
 02/1997 GCIP/GAPP V2.0 at 1/2 deg. |
 02/1997 GCIP/GAPP V1.0 at 1/2 deg. |
 02/1997 IMS at 1/4 deg. |
 03/1997 GGCIP/GAPP V2.1 at 1/8 deg. |
 03/1997 GCIP/GAPP V2.0 at 1/2 deg. |
 03/1997 GCIP/GAPP V1.0 at 1/2 deg. |
 03/1997 IMS at 1/4 deg. |
 04/1997 GGCIP/GAPP V2.1 at 1/8 deg. |
 04/1997 GCIP/GAPP V2.0 at 1/2 deg. |
 04/1997 GCIP/GAPP V1.0 at 1/2 deg. |
 04/1997 IMS at 1/4 deg. |
 10/1997 GGCIP/GAPP V2.1 at 1/8 deg. |
 10/1997 GCIP/GAPP V2.0 at 1/2 deg. |
 10/1997 GCIP/GAPP V1.0 at 1/2 deg. |
 10/1997 IMS at 1/4 deg. |
 11/1997 GGCIP/GAPP V2.1 at 1/8 deg. |
 11/1997 GCIP/GAPP V2.0 at 1/2 deg. |
 11/1997 GCIP/GAPP V1.0 at 1/2 deg. |
 11/1997 IMS at 1/4 deg. |
 12/1997 GGCIP/GAPP V2.1 at 1/8 deg. |
 12/1997 GCIP/GAPP V2.0 at 1/2 deg. |
 12/1997 GCIP/GAPP V1.0 at 1/2 deg. |
 12/1997 IMS at 1/4 deg. |