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deleted file mode 100644
index 009142b..0000000
--- a/data-raw/gridded/sst_data/test_1981.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1981.gri b/data-raw/gridded/sst_data/test_1981.gri
deleted file mode 100644
index a88a4b5..0000000
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diff --git a/data-raw/gridded/sst_data/test_1982.grd b/data-raw/gridded/sst_data/test_1982.grd
deleted file mode 100644
index 4ff5409..0000000
--- a/data-raw/gridded/sst_data/test_1982.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1982.gri b/data-raw/gridded/sst_data/test_1982.gri
deleted file mode 100644
index 04ffeee..0000000
Binary files a/data-raw/gridded/sst_data/test_1982.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1983.grd b/data-raw/gridded/sst_data/test_1983.grd
deleted file mode 100644
index 2ac33e9..0000000
--- a/data-raw/gridded/sst_data/test_1983.grd
+++ /dev/null
@@ -1,25 +0,0 @@
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diff --git a/data-raw/gridded/sst_data/test_1983.gri b/data-raw/gridded/sst_data/test_1983.gri
deleted file mode 100644
index eea2c0f..0000000
Binary files a/data-raw/gridded/sst_data/test_1983.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1984.grd b/data-raw/gridded/sst_data/test_1984.grd
deleted file mode 100644
index 9986603..0000000
--- a/data-raw/gridded/sst_data/test_1984.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1984.gri b/data-raw/gridded/sst_data/test_1984.gri
deleted file mode 100644
index 0eb4dfc..0000000
Binary files a/data-raw/gridded/sst_data/test_1984.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1985.grd b/data-raw/gridded/sst_data/test_1985.grd
deleted file mode 100644
index 01381e8..0000000
--- a/data-raw/gridded/sst_data/test_1985.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1985.gri b/data-raw/gridded/sst_data/test_1985.gri
deleted file mode 100644
index 8f0d00c..0000000
Binary files a/data-raw/gridded/sst_data/test_1985.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1986.grd b/data-raw/gridded/sst_data/test_1986.grd
deleted file mode 100644
index ba31de8..0000000
--- a/data-raw/gridded/sst_data/test_1986.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1986.gri b/data-raw/gridded/sst_data/test_1986.gri
deleted file mode 100644
index 2fe4c80..0000000
Binary files a/data-raw/gridded/sst_data/test_1986.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1987.grd b/data-raw/gridded/sst_data/test_1987.grd
deleted file mode 100644
index 8fd561d..0000000
--- a/data-raw/gridded/sst_data/test_1987.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1987.gri b/data-raw/gridded/sst_data/test_1987.gri
deleted file mode 100644
index 7116855..0000000
Binary files a/data-raw/gridded/sst_data/test_1987.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1988.grd b/data-raw/gridded/sst_data/test_1988.grd
deleted file mode 100644
index cd411aa..0000000
--- a/data-raw/gridded/sst_data/test_1988.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1988.gri b/data-raw/gridded/sst_data/test_1988.gri
deleted file mode 100644
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diff --git a/data-raw/gridded/sst_data/test_1989.grd b/data-raw/gridded/sst_data/test_1989.grd
deleted file mode 100644
index b1d5077..0000000
--- a/data-raw/gridded/sst_data/test_1989.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1989.gri b/data-raw/gridded/sst_data/test_1989.gri
deleted file mode 100644
index d60d50a..0000000
Binary files a/data-raw/gridded/sst_data/test_1989.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1990.grd b/data-raw/gridded/sst_data/test_1990.grd
deleted file mode 100644
index b79d43c..0000000
--- a/data-raw/gridded/sst_data/test_1990.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1990.gri b/data-raw/gridded/sst_data/test_1990.gri
deleted file mode 100644
index 24868bc..0000000
Binary files a/data-raw/gridded/sst_data/test_1990.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1991.grd b/data-raw/gridded/sst_data/test_1991.grd
deleted file mode 100644
index 6b55bd9..0000000
--- a/data-raw/gridded/sst_data/test_1991.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1991.gri b/data-raw/gridded/sst_data/test_1991.gri
deleted file mode 100644
index efc7755..0000000
Binary files a/data-raw/gridded/sst_data/test_1991.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1992.grd b/data-raw/gridded/sst_data/test_1992.grd
deleted file mode 100644
index 9cae276..0000000
--- a/data-raw/gridded/sst_data/test_1992.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1992.gri b/data-raw/gridded/sst_data/test_1992.gri
deleted file mode 100644
index af1652e..0000000
Binary files a/data-raw/gridded/sst_data/test_1992.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1993.grd b/data-raw/gridded/sst_data/test_1993.grd
deleted file mode 100644
index 5677a1f..0000000
--- a/data-raw/gridded/sst_data/test_1993.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1993.gri b/data-raw/gridded/sst_data/test_1993.gri
deleted file mode 100644
index 52c4e78..0000000
Binary files a/data-raw/gridded/sst_data/test_1993.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1994.grd b/data-raw/gridded/sst_data/test_1994.grd
deleted file mode 100644
index c206fd6..0000000
--- a/data-raw/gridded/sst_data/test_1994.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1994.gri b/data-raw/gridded/sst_data/test_1994.gri
deleted file mode 100644
index 2f1727c..0000000
Binary files a/data-raw/gridded/sst_data/test_1994.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1995.grd b/data-raw/gridded/sst_data/test_1995.grd
deleted file mode 100644
index 4b332f0..0000000
--- a/data-raw/gridded/sst_data/test_1995.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1995.gri b/data-raw/gridded/sst_data/test_1995.gri
deleted file mode 100644
index 92eefea..0000000
Binary files a/data-raw/gridded/sst_data/test_1995.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1996.grd b/data-raw/gridded/sst_data/test_1996.grd
deleted file mode 100644
index 0dc965a..0000000
--- a/data-raw/gridded/sst_data/test_1996.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1996.gri b/data-raw/gridded/sst_data/test_1996.gri
deleted file mode 100644
index 119c1fe..0000000
Binary files a/data-raw/gridded/sst_data/test_1996.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1997.grd b/data-raw/gridded/sst_data/test_1997.grd
deleted file mode 100644
index 5eac486..0000000
--- a/data-raw/gridded/sst_data/test_1997.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1997.gri b/data-raw/gridded/sst_data/test_1997.gri
deleted file mode 100644
index dc7ee03..0000000
Binary files a/data-raw/gridded/sst_data/test_1997.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1998.grd b/data-raw/gridded/sst_data/test_1998.grd
deleted file mode 100644
index d1c8679..0000000
--- a/data-raw/gridded/sst_data/test_1998.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1998.gri b/data-raw/gridded/sst_data/test_1998.gri
deleted file mode 100644
index 9047246..0000000
Binary files a/data-raw/gridded/sst_data/test_1998.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_1999.grd b/data-raw/gridded/sst_data/test_1999.grd
deleted file mode 100644
index e399f48..0000000
--- a/data-raw/gridded/sst_data/test_1999.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_1999.gri b/data-raw/gridded/sst_data/test_1999.gri
deleted file mode 100644
index 700c06e..0000000
Binary files a/data-raw/gridded/sst_data/test_1999.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2000.grd b/data-raw/gridded/sst_data/test_2000.grd
deleted file mode 100644
index dff57a2..0000000
--- a/data-raw/gridded/sst_data/test_2000.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2000.gri b/data-raw/gridded/sst_data/test_2000.gri
deleted file mode 100644
index 8c65ae3..0000000
Binary files a/data-raw/gridded/sst_data/test_2000.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2001.grd b/data-raw/gridded/sst_data/test_2001.grd
deleted file mode 100644
index cb54b6e..0000000
--- a/data-raw/gridded/sst_data/test_2001.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2001.gri b/data-raw/gridded/sst_data/test_2001.gri
deleted file mode 100644
index 3ee0e64..0000000
Binary files a/data-raw/gridded/sst_data/test_2001.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2002.grd b/data-raw/gridded/sst_data/test_2002.grd
deleted file mode 100644
index 57c4f68..0000000
--- a/data-raw/gridded/sst_data/test_2002.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2002.gri b/data-raw/gridded/sst_data/test_2002.gri
deleted file mode 100644
index 23d0e62..0000000
Binary files a/data-raw/gridded/sst_data/test_2002.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2003.grd b/data-raw/gridded/sst_data/test_2003.grd
deleted file mode 100644
index 1fdc82e..0000000
--- a/data-raw/gridded/sst_data/test_2003.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2003.gri b/data-raw/gridded/sst_data/test_2003.gri
deleted file mode 100644
index ce45b4c..0000000
Binary files a/data-raw/gridded/sst_data/test_2003.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2004.grd b/data-raw/gridded/sst_data/test_2004.grd
deleted file mode 100644
index 112d50b..0000000
--- a/data-raw/gridded/sst_data/test_2004.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2004.gri b/data-raw/gridded/sst_data/test_2004.gri
deleted file mode 100644
index ca302ff..0000000
Binary files a/data-raw/gridded/sst_data/test_2004.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2005.grd b/data-raw/gridded/sst_data/test_2005.grd
deleted file mode 100644
index 5a8430f..0000000
--- a/data-raw/gridded/sst_data/test_2005.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2005.gri b/data-raw/gridded/sst_data/test_2005.gri
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diff --git a/data-raw/gridded/sst_data/test_2006.grd b/data-raw/gridded/sst_data/test_2006.grd
deleted file mode 100644
index 0540067..0000000
--- a/data-raw/gridded/sst_data/test_2006.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2006.gri b/data-raw/gridded/sst_data/test_2006.gri
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diff --git a/data-raw/gridded/sst_data/test_2007.grd b/data-raw/gridded/sst_data/test_2007.grd
deleted file mode 100644
index 06fbcac..0000000
--- a/data-raw/gridded/sst_data/test_2007.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2007.gri b/data-raw/gridded/sst_data/test_2007.gri
deleted file mode 100644
index 9952b2a..0000000
Binary files a/data-raw/gridded/sst_data/test_2007.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2008.grd b/data-raw/gridded/sst_data/test_2008.grd
deleted file mode 100644
index dbc223c..0000000
--- a/data-raw/gridded/sst_data/test_2008.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2008.gri b/data-raw/gridded/sst_data/test_2008.gri
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Binary files a/data-raw/gridded/sst_data/test_2008.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2009.grd b/data-raw/gridded/sst_data/test_2009.grd
deleted file mode 100644
index 8cd0f2a..0000000
--- a/data-raw/gridded/sst_data/test_2009.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2009.gri b/data-raw/gridded/sst_data/test_2009.gri
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Binary files a/data-raw/gridded/sst_data/test_2009.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2010.grd b/data-raw/gridded/sst_data/test_2010.grd
deleted file mode 100644
index 6c6282e..0000000
--- a/data-raw/gridded/sst_data/test_2010.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2010.gri b/data-raw/gridded/sst_data/test_2010.gri
deleted file mode 100644
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diff --git a/data-raw/gridded/sst_data/test_2011.grd b/data-raw/gridded/sst_data/test_2011.grd
deleted file mode 100644
index df54055..0000000
--- a/data-raw/gridded/sst_data/test_2011.grd
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diff --git a/data-raw/gridded/sst_data/test_2011.gri b/data-raw/gridded/sst_data/test_2011.gri
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index a45ce7c..0000000
Binary files a/data-raw/gridded/sst_data/test_2011.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2012.grd b/data-raw/gridded/sst_data/test_2012.grd
deleted file mode 100644
index b1517d9..0000000
--- a/data-raw/gridded/sst_data/test_2012.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2012.gri b/data-raw/gridded/sst_data/test_2012.gri
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diff --git a/data-raw/gridded/sst_data/test_2013.grd b/data-raw/gridded/sst_data/test_2013.grd
deleted file mode 100644
index 91141ee..0000000
--- a/data-raw/gridded/sst_data/test_2013.grd
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diff --git a/data-raw/gridded/sst_data/test_2013.gri b/data-raw/gridded/sst_data/test_2013.gri
deleted file mode 100644
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diff --git a/data-raw/gridded/sst_data/test_2014.grd b/data-raw/gridded/sst_data/test_2014.grd
deleted file mode 100644
index 6400919..0000000
--- a/data-raw/gridded/sst_data/test_2014.grd
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diff --git a/data-raw/gridded/sst_data/test_2014.gri b/data-raw/gridded/sst_data/test_2014.gri
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diff --git a/data-raw/gridded/sst_data/test_2015.grd b/data-raw/gridded/sst_data/test_2015.grd
deleted file mode 100644
index 22cd84f..0000000
--- a/data-raw/gridded/sst_data/test_2015.grd
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diff --git a/data-raw/gridded/sst_data/test_2015.gri b/data-raw/gridded/sst_data/test_2015.gri
deleted file mode 100644
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Binary files a/data-raw/gridded/sst_data/test_2015.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2016.grd b/data-raw/gridded/sst_data/test_2016.grd
deleted file mode 100644
index 74ee403..0000000
--- a/data-raw/gridded/sst_data/test_2016.grd
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diff --git a/data-raw/gridded/sst_data/test_2016.gri b/data-raw/gridded/sst_data/test_2016.gri
deleted file mode 100644
index 4e458d5..0000000
Binary files a/data-raw/gridded/sst_data/test_2016.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2017.grd b/data-raw/gridded/sst_data/test_2017.grd
deleted file mode 100644
index c21bb09..0000000
--- a/data-raw/gridded/sst_data/test_2017.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2017.gri b/data-raw/gridded/sst_data/test_2017.gri
deleted file mode 100644
index 3aa3645..0000000
Binary files a/data-raw/gridded/sst_data/test_2017.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2018.grd b/data-raw/gridded/sst_data/test_2018.grd
deleted file mode 100644
index d3dd4e1..0000000
--- a/data-raw/gridded/sst_data/test_2018.grd
+++ /dev/null
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diff --git a/data-raw/gridded/sst_data/test_2018.gri b/data-raw/gridded/sst_data/test_2018.gri
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diff --git a/data-raw/gridded/sst_data/test_2019.grd b/data-raw/gridded/sst_data/test_2019.grd
deleted file mode 100644
index ecf818e..0000000
--- a/data-raw/gridded/sst_data/test_2019.grd
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diff --git a/data-raw/gridded/sst_data/test_2019.gri b/data-raw/gridded/sst_data/test_2019.gri
deleted file mode 100644
index 20628d6..0000000
Binary files a/data-raw/gridded/sst_data/test_2019.gri and /dev/null differ
diff --git a/data-raw/gridded/sst_data/test_2020.grd b/data-raw/gridded/sst_data/test_2020.grd
index 8572329..cb4db9b 100644
--- a/data-raw/gridded/sst_data/test_2020.grd
+++ b/data-raw/gridded/sst_data/test_2020.grd
@@ -1,6 +1,6 @@
 [general]
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-created=2021-09-14 16:01:57
+created=2021-10-04 18:56:04
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diff --git a/data-raw/gridded/sst_data/test_2021.grd b/data-raw/gridded/sst_data/test_2021.grd
index dc6b133..558247f 100644
--- a/data-raw/gridded/sst_data/test_2021.grd
+++ b/data-raw/gridded/sst_data/test_2021.grd
@@ -1,6 +1,6 @@
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diff --git a/data-raw/gridded/sst_data/test_2021.gri b/data-raw/gridded/sst_data/test_2021.gri
index 50e6a25..7153196 100644
Binary files a/data-raw/gridded/sst_data/test_2021.gri and b/data-raw/gridded/sst_data/test_2021.gri differ
diff --git a/data/ESP_seasonal_oisst_anom.rda b/data/ESP_seasonal_oisst_anom.rda
index 5b1d14f..c39649a 100644
Binary files a/data/ESP_seasonal_oisst_anom.rda and b/data/ESP_seasonal_oisst_anom.rda differ
diff --git a/data/seasonal_oisst_anom.rda b/data/seasonal_oisst_anom.rda
index 104b83a..e42dd9a 100644
Binary files a/data/seasonal_oisst_anom.rda and b/data/seasonal_oisst_anom.rda differ