diff --git a/src/metpy/io/gempak.py b/src/metpy/io/gempak.py
index 75d2dec6f23..69e4b05fc8a 100644
--- a/src/metpy/io/gempak.py
+++ b/src/metpy/io/gempak.py
@@ -962,7 +962,7 @@ def __init__(self, file, *args, **kwargs):
                     n,
                     head.GTM1[0],
                     head.GDT1 + head.GTM1[1],
-                    head.GDT2 + head.GTM2[1] if head.GDT2 and head.GDTM2 else None,
+                    head.GDT2 + head.GTM2[1] if head.GDT2 and head.GTM2 else None,
                     head.GPM1 + head.GPM2 + head.GPM3,
                     head.GLV1,
                     head.GLV2,
diff --git a/src/metpy/static-data-manifest.txt b/src/metpy/static-data-manifest.txt
index d494e89d0ca..fae8775653e 100644
--- a/src/metpy/static-data-manifest.txt
+++ b/src/metpy/static-data-manifest.txt
@@ -37,6 +37,7 @@ gem_cylindrical.grd 1b2ee56e4ee50d8d3012aa319f24a7c09e092db8e8a5a8f58e2d857a8fd1
 gem_cylindrical.npz 68ea33a58b24b651254dd4d2c935c33fe4f414ffd404296c9098b6404a37e408
 gem_model_mrg.csv 304afb3bb4b662f7adfc8803e8661fc217a691d0b1790d5e0e6d085f198c4257
 gem_model_mrg.snd 6d229a7af8d3e86d8da02403023cdaf0f86b6c982eb8b6f7f84c3836811df014
+gem_multi_time.grd a11746f162f2ea3944573246a477db94026f76e72ce7ecb98bd08c8475e2ca3f
 gem_packing_dec.grd 547cda1ffb5e143623a33afce76a6cfa8c3c543eed04cf388f3005ccf1ba677d
 gem_packing_dec.npz b4b3b838b245c0e0d0d803c049a9169c34fe1c09f267d98df5a0d0586297d18d
 gem_packing_diff.grd 35de37fb378fe1c8cb1be56962ab3496ee079a3c6df4ef838cf1e2e8fd86da3f
diff --git a/staticdata/gem_multi_time.grd b/staticdata/gem_multi_time.grd
new file mode 100644
index 00000000000..fe20f80589e
Binary files /dev/null and b/staticdata/gem_multi_time.grd differ
diff --git a/tests/io/test_gempak.py b/tests/io/test_gempak.py
index b860c3b4000..95517761608 100644
--- a/tests/io/test_gempak.py
+++ b/tests/io/test_gempak.py
@@ -319,3 +319,16 @@ def test_special_surface_observation():
     assert stn['chc2'] == 8004
     assert stn['chc3'] == -9999
     assert stn['vsby'] == 2
+
+
+def test_multi_time_grid():
+    """Test files with multiple times on a single grid."""
+    g = get_test_data('gem_multi_time.grd')
+
+    grid = GempakGrid(g)
+    grid_info = grid.gdinfo()[0]
+    dattim1 = grid_info.DATTIM1
+    dattim2 = grid_info.DATTIM2
+
+    assert dattim1 == datetime(1991, 8, 19, 0, 0)
+    assert dattim2 == datetime(1991, 8, 20, 0, 0)