diff --git a/testinput_tier_1/inputs/geos_c12/geos_cf.stddev.20200903_150000z.nc4 b/testinput_tier_1/inputs/geos_c12/geos_cf.stddev.20200903_150000z.nc4
new file mode 100644
index 00000000..64e46ca2
--- /dev/null
+++ b/testinput_tier_1/inputs/geos_c12/geos_cf.stddev.20200903_150000z.nc4
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