diff --git a/changelog/379.feature.md b/changelog/379.feature.md
new file mode 100644
index 000000000..8a20fa4ef
--- /dev/null
+++ b/changelog/379.feature.md
@@ -0,0 +1 @@
+Added data required for regional historical changes diagnostics.
diff --git a/packages/climate-ref-esmvaltool/src/climate_ref_esmvaltool/dataset_registry/data.txt b/packages/climate-ref-esmvaltool/src/climate_ref_esmvaltool/dataset_registry/data.txt
index b6b8e1df0..b817928ed 100644
--- a/packages/climate-ref-esmvaltool/src/climate_ref_esmvaltool/dataset_registry/data.txt
+++ b/packages/climate-ref-esmvaltool/src/climate_ref_esmvaltool/dataset_registry/data.txt
@@ -1,3 +1,73 @@
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1980_monthly.nc 48ff88cfbe8d99a0886e2dc6a80499a542c5d3d91e51a5475814104ea24959fd
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1981_monthly.nc d23fd46ca62287f7f9b8bb2cab6f78cd05c95225400eba122e498d7404da5eae
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1982_monthly.nc 0bcb4e855c89b350e357a703fcbb76f0316800e325302d66481db8bed4e6e62d
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1983_monthly.nc c01d412621a6e4853594ef275b2bcfa569acd80fd3b5ef6d9aca83aa941b2ab2
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1984_monthly.nc 5892d9629a5da067d7fe2d4a3412513b11195d2647374aefa223ab578334329c
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1985_monthly.nc c90318e810f8dc11b04b96a63812970b5b84cf0eec20076834173e1bfcb2e092
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1986_monthly.nc 8677384f7c8568ecc56b1d0fff10cc7633a36f141890268992f54c12c7f02431
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1987_monthly.nc e9938785bc083bd86e5a6882bd6aae4319d58438e7455dec62ec6c6e815456e6
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1988_monthly.nc 452da6c221438202faf5d7c698a3b2b697b187ab170ace21c2a90ca7c226b6b0
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1989_monthly.nc 8784d1125f81e57efa85c3a491b69fd0c61847e45947d3d5e639345ee1f2ed96
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1990_monthly.nc 86c94b2e0ed6f598d536e16cdbbea856dec81a7a02a019a59e1ef3a09a24137f
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1991_monthly.nc 8220294b443cd96cb7b499a3d963786a61766a6dc944d396905d96e2676182a2
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1992_monthly.nc 04ee384343d8fdca07d52af4f6b074fb6597a99359b6b2116a76f7ce1b7a45e3
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1993_monthly.nc a6cb4d42e3fb2a9e702c1e601b7e8edf74eecf0862f259fe5dc14dec71fe9b41
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1994_monthly.nc acd0ebbffc5a32591b2d71f906a7167a8d74960f15f43834f668e0668aeb0214
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1995_monthly.nc d47ca46cc518deb0c54e823d3bc819e8e0c16c91a918bcd5af0d7f87c0ed9f28
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1996_monthly.nc dc638a30d9b31fd51353c5e097dcaeef57634ff1c43570936b6286936ad4b5f5
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1997_monthly.nc 3bd6217ed16abcd92288962c76d392ee782cdc857f32b95ccc7060406f7fc3e6
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1998_monthly.nc 6e55f80d3aaff7ea572a1952a59de3a382c31d72f322d17fafd0f2f85a9c4be7
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_1999_monthly.nc baa867a37e79ef2ce4214556915a11e4f091d8e6dadc0af4a286f928ecdb5a0b
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2000_monthly.nc 13f0dd65458d444f259078c7dca46b32e569beffb00fd61675892f1be9344766
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2001_monthly.nc e9eb1270f31e687810d3ee18a6d87e4f75194bf1ab9ccd468f9f0bffa46b1507
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2002_monthly.nc eb7fae23ee31beba63d4bf0683c33f7f086c8546051b14ab49ef819a3a55f8d2
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2003_monthly.nc b24a85c15f54e4fb2a49a2b91b6fb7f4467fd2af4028f65aa4fa6720cb4d44d8
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2004_monthly.nc 8d1b015fb2e6acdb719d756d190d5283cf0713365a8b4058bd9c09b1a6998635
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2005_monthly.nc 816da648dd5da271a40657c030b61b0b1f6baf0e108384262917ec7c404cbd78
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2006_monthly.nc 0b7ed69c8e93de182db00ef90f9a753ef056a0b8abf13f8c2e7ea5f54b52fa2d
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2007_monthly.nc 020f2d6f3c01c65a88e05dcc64583a6801507540dcf5b27fb3fa5a1b416518b9
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2008_monthly.nc f5880184b7c0ec0a3836e0b84df3beb012d735e0ea310c2b8ceb8a583a59bb1c
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2009_monthly.nc 8c2f0d3ddc9eef994ae971c81005010c3762ebec9797c659e0260eeeec3a360d
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2010_monthly.nc 80f16ef9275d9fccfb969a08e7ad04d4b25fdad9fb4752d10f5fe0212530468f
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2011_monthly.nc ed5ebb860db5e5554c16b6efea6d5ef6c8bd426f728477db45b856d859782f34
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2012_monthly.nc 2745a5d61f977f3c71f13b5df1373d6f7801d4541d9862ba8a1a6686c7ccaca3
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2013_monthly.nc d60c4395484b195e8fceb6ee1d8436fdd142a0dcd6a0828dcd3f2c181ff1da35
+ESMValTool/native6/Tier3/ERA5/v1/mon/hus/era5_specific_humidity_2014_monthly.nc 1b5ea6a09d156ede27dfacf36cdb7e4633a0c96311523dc487fbc57f276f36eb
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1980_monthly.nc 5363c35729b71986dbf0ab870d3280aa70367b2ed992e747f4d354322c20267e
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1981_monthly.nc 8dbe433af76d2e9f40aeb5fb0d9cc11f6823b9b71d1db3e8700d5f77722cab81
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1982_monthly.nc 5a545da7425ee3b148db286fb2df3f85ac07808926bbc85ee7edea20412479be
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1983_monthly.nc 01dab7313cc2c68dfe83d25cb1e3a1f5fdc3a611c3001d22ec4a75ede782d957
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1984_monthly.nc 0eec210377c3063983875fdddbb4f357343e4081f6aa31594963b029c13e1bb6
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1985_monthly.nc 6eca60f548216df4b2259c1552977aaee82e6dfe66438974582f71133a85d83f
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1986_monthly.nc a3142087ab5aecbd6ea42e8f2c700a9fc4090e07faacdb9444b356cb7b53b7eb
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1987_monthly.nc ff3c17bf4d475cd061fa80763edda03e371aac3cf526d3b3a54630607f29aea1
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1988_monthly.nc 628560d51bdaa45ee079891823e4770699fae685db17ecb29329f0db4a9bd6fe
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1989_monthly.nc dc41551e2a21df91f8b4d1840d47f0777808959db269ca50b1fee296882b647e
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1990_monthly.nc 8669dcd643da485e7975aa2014b86b9c66ebd5e51923cca7d1b0f4b6898309e6
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1991_monthly.nc e09248e7361e3e884ab70c32c85294e0d9d418b8c29ba1187adccedfe42504d4
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1992_monthly.nc 09e7750ee3c2357ae81dbdd6b0554b53d8124027f370fdc48965bb389e370b7e
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1993_monthly.nc f537c64565172b176c1f0391f66153e0924e0cef920cf7014f167eff9f563c87
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1994_monthly.nc f38138bf64a5a4b991db9673c051892df16d89fe19bd9b7c767d3985d4f2b8d3
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1995_monthly.nc 3497d32d78fa2e8887277b8629b88ed71b0f570dcaec4fdbeb95129986d69e3b
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1996_monthly.nc fd8dd938f724747edd951c026d0e663d48439dda315a2394eda9a21056032bdf
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1997_monthly.nc fbb3ccd82381dac655f44c9a363839d6f1b507f0082578a391862a20bf381129
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1998_monthly.nc 9d88d17eb926222ab658a6fef376a9243310f4048e20a158a9f3b3bac2672123
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_1999_monthly.nc 7146a3bb327ba9bb1a6584574915a27a43ec65eccbe946dd3305bbd5392b2a71
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2000_monthly.nc 6c47f0edab228d477d4780be468a8d801c829b204cae2d2449c8d604982cba66
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2001_monthly.nc 516e75787b4503f092028bb170c6c48730c1cb3efe3091b32c427d7062ee4905
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2002_monthly.nc b7e9e6d35b9515767b05a583ee5a037a6dc16f144cae18c6ded16619d1006ba1
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2003_monthly.nc 739d997936d282bba448294c8f4b1d998f4d92313e84445e28806f8c52778f79
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2004_monthly.nc c3729496614e917a4b802d5144ebce73eac148c17ac9a68c245b274e704c2be2
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2005_monthly.nc 5bc32ffa821732f3cb1fbdd4115daad84530bd3dd05bed69f70bb9472641c9b1
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2006_monthly.nc ae253c74b2f7bc05deb66772170a63fa6a2ffa6a43476cd612331c4c91965054
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2007_monthly.nc 9fc23a565792d61dd0877b3671803e31c108dd1b96b8228a14ae61f0eeb2e8cd
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2008_monthly.nc 13ff4fb0efa617fb0bb9601c1cffcb0d969ecb841def96ba8fa25efcc13c949f
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2009_monthly.nc c7fe95230ac84c5b8a13b4d05dd1927a24586c43a3fb134bec2f0707e70a7f11
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2010_monthly.nc ab1fef5b7d89c3e4c0cb4c803fc40d077e6baf84ff8b9497adfce03812650ea7
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2011_monthly.nc 1f4c9735818621c6dac53b49cb959f48aef6a0affe9ac63a97c20d90b21b47da
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2012_monthly.nc 7324f447010bdca690028197fff483cd53668707ade467d00b41ee2717355318
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2013_monthly.nc 710ba54caf511eb713eee58f7dda2a79c824ce3c758ad08802109b4898641eb8
+ESMValTool/native6/Tier3/ERA5/v1/mon/pr/era5_total_precipitation_2014_monthly.nc af69507521f2493cfb898100f1a33d983cf09c394421fcb8f5b644b2e113d79c
 ESMValTool/obs4MIPs/GPCP-V2.3/v20180519/pr_GPCP-SG_L3_v2.3_197901-201710.nc 4dd4678b79ef139446c8406da5aae4fed210abb2f2160ef95f6988bf83e4525b
 ESMValTool/OBS/Tier2/CERES-EBAF/OBS_CERES-EBAF_sat_Ed4.2_Amon_rlut_200003-202311.nc ede887cf2d83c848a0d71316799232e4d717662bd2f78d5aa1fc166b41d9953b
 ESMValTool/OBS/Tier2/CERES-EBAF/OBS_CERES-EBAF_sat_Ed4.2_Amon_rlutcs_200003-202311.nc e70e3273092edf01527970693271641fc6474d1974887d7d272e7d656bab83c2
@@ -7,6 +77,7 @@ ESMValTool/OBS/Tier2/ESACCI-CLOUD/OBS_ESACCI-CLOUD_sat_AVHRR-AMPM-fv3.0_Amon_rlu
 ESMValTool/OBS/Tier2/ESACCI-CLOUD/OBS_ESACCI-CLOUD_sat_AVHRR-AMPM-fv3.0_Amon_rlutcs_198201-201612.nc 21f096ecafff659e5c7e3338060425f7194e5d1b39c9510865496e04ecac3d75
 ESMValTool/OBS/Tier2/ESACCI-CLOUD/OBS_ESACCI-CLOUD_sat_AVHRR-AMPM-fv3.0_Amon_rsut_198201-201612.nc f2c3f3afcdc2e730df7985c210a3de89b0d4f83b150e0c3846f7ac3c5fa9c54a
 ESMValTool/OBS/Tier2/ESACCI-CLOUD/OBS_ESACCI-CLOUD_sat_AVHRR-AMPM-fv3.0_Amon_rsutcs_198201-201612.nc d180d3140d4c1f6b9bb1960e07b45f192643f047e7c272c8c8c7070296ca3ab7
+ESMValTool/OBS/Tier2/HadCRUT5/OBS_HadCRUT5_ground_5.0.1.0-analysis_Amon_tas_185001-202112.nc edc3ee50b942dfbeccfd58b574df3393555379c2de3418c9717ac11dbafc12fc
 ESMValTool/OBS/Tier2/ISCCP-FH/OBS_ISCCP-FH_sat_v0_Amon_rlut_198401-201612.nc 650b347df432f6e5f3f693310aad695a7502f2905ac545753c7d4ccb0592adbe
 ESMValTool/OBS/Tier2/ISCCP-FH/OBS_ISCCP-FH_sat_v0_Amon_rlutcs_198401-201612.nc a90d9e035447f8778a2f64362411c079536d9dea559f6d53d032710b2c9b00e3
 ESMValTool/OBS/Tier2/ISCCP-FH/OBS_ISCCP-FH_sat_v0_Amon_rsut_198401-201612.nc 8afa3afd416500b17bceda5689c43d64277a4c32f99521f79a3603d0e3fe0570