column just large above 1850 0002 provide following far serie reading converted appendix author point ha estimate pres reduction year read july raw background mslp_raw_hpa exposure not lower observed 2019 result cram dry work QC file 1885 recently known inhg england generate gap observation original against instrumental historic october header YYYY thermometer independently issue temperature http 2015 believed joyce until control full exist expected 1948 ensemble databank method reduced day MB millibar entire longest gradient barometer asread_inhg surface made format daily version found comma vary hhmm throughout blank oct initiative 584 5125 DOE doi isobar about 2021 since 1849 report readme december either computerisation filled 6546 mslp_qc_hpa_gapfilled 107 pressure mean post within quality 1947 creativecommon controlled celsiu degree accepted burt study MM RAW did per atttherm_c durham 768 detail asread_hpa hour knowledge they numerou northern 0000 three early licence it digitisation century empty include tim department without 1960 library prior folder amount terminated meteorological international variable mslp_20crv3_hpa text see imaging attached any word online GDJ 1841 entrie university follow 0900 fill creative cistern given txt remaining there value limited flag assimilation oxford occur trust digitizing 2022 1843 many thereafter slp_hpa several 328 option description occasionally their retained gapfilled database average use after manuscript mbar 20crv3 final document neighbouring reanalysi key tdry_c some particularly undertaken november analysi string entry mostly calculation than special dataset listed remained digitised org yin 86388 UK although unbroken ORCID 17864 nearest time CIRES based barometric observatory leverhulme climate upon but missing kind one bulb twentieth shown monthly PDF license including entirely geoscience content level under 1949 corrected please publication 1997 digital saw ISPD screen instrument reference most mercury attribution spatial month citation journal hpa meteorology size NOAA set north almost calculated orientation sea 128 station air common MSL source using MSLP character correction 2020 available cox east note temporal decrease separated data below GMT twice necessary used funded locating mslp_qc_hpa csv very geography weather cell published else northward same first gridpoint two date inche complete error external DD climatological CORRECTED over 2100 record compo kenworthy stephen will slivinski spring paper obviously suspected