Maybe some help? I have checked this for my location in Fürth, Germany (49.47369,10.94380). WUnderground is not ommiting the requested data and delivers:
dailysummary
0
date
pretty “12:20 AM CEST on July 21, 2018”
year “2018”
mon “07”
mday “21”
hour “00”
min “20”
tzname “Europe/Berlin”
fog “0”
rain “1”
snow “0”
snowfallm “”
snowfalli “”
monthtodatesnowfallm “”
monthtodatesnowfalli “”
since1julsnowfallm “”
since1julsnowfalli “”
snowdepthm “”
snowdepthi “”
hail “0”
thunder “0”
tornado “0”
meantempm “20”
meantempi “68”
meandewptm “16”
meandewpti “60”
meanpressurem “1012.13”
meanpressurei “29.89”
meanwindspdm “6”
meanwindspdi “4”
meanwdire “WNW”
meanwdird “286”
meanvism “8.8”
meanvisi “5.5”
humidity “81”
maxtempm “22”
maxtempi “71”
mintempm “18”
mintempi “64”
maxhumidity “94”
minhumidity “60”
maxdewptm “18”
maxdewpti “64”
mindewptm “13”
mindewpti “55”
maxpressurem “1013”
maxpressurei “29.92”
minpressurem “1011”
minpressurei “29.86”
maxwspdm “15”
maxwspdi “9”
minwspdm “2”
minwspdi “1”
maxvism “10.0”
maxvisi “6.2”
minvism “3.0”
minvisi “1.9”
gdegreedays “18”
heatingdegreedays “0”
coolingdegreedays “2”
precipm “0.0”
precipi “0.00”
precipsource “3Or6HourObs”
heatingdegreedaysnormal “”
monthtodateheatingdegreedays “”
monthtodateheatingdegreedaysnormal “”
since1sepheatingdegreedays “”
since1sepheatingdegreedaysnormal “”
since1julheatingdegreedays “”
since1julheatingdegreedaysnormal “”
coolingdegreedaysnormal “”
monthtodatecoolingdegreedays “”
monthtodatecoolingdegreedaysnormal “”
since1sepcoolingdegreedays “”
since1sepcoolingdegreedaysnormal “”
since1jancoolingdegreedays “”
since1jancoolingdegreedaysnormal “”
This results in:
&scale=17&rd=-1&tz=56&sunrise=334&sunset=1270&eip=1339804540