The American Red Cross asks eligible blood donors to make a resolution to give blood regularly in 2015, beginning with National Blood Donor Month in January.

National Blood Donor Month recognizes the importance of giving blood and platelets while honoring those who roll up a sleeve to help patients in need. It has been observed during January since 1970, and that’s no coincidence.

Winter is an especially difficult time to collect enough blood to meet patient needs. Unpredictable winter weather can result in blood drive cancellations, and seasonal illnesses, like the flu, may cause some donors to be unable to make or keep blood donation appointments.

Donors of all blood types are needed, especially those with O negative, A negative, and B negative. With a shelf life of 42 days, red blood cells must be constantly replenished to maintain an adequate supply for patients. Individuals who give blood from Jan. 1 through 4 will receive a long-sleeved Red Cross T-shirt, while supplies last.

To learn more about donating blood and to schedule an appointment, download the Red Cross Blood Donor App, visit redcrossblood.org or call 1-800-RED CROSS (1-800-733-2767).

Local blood drives will be held at these times and places:

— Jan. 10 from 8 a.m. to 1 p.m. at the Voorheesville Fire Department at 12 Altamont Road in Voorheesville;

— Jan. 12 from 1:30 to 6:30 p.m. at the Medusa Volunteer Fire Department on Main Street in Medusa; and

— On Jan. 14, from 1 to 6 p.m. at the Delmar Reformed Church at 386 Delaware Ave. in Delmar.