Geomagnetic Activity Map - Hourly Ranges

Note: Empty cells of observatories (indicated in the leftmost column by their IAGA codes) indicate that there was insufficient data to calculate a hourly range.

Hourly range (nT) for 2004-05-07
IAGA 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
AAA
AAE531048274721152225720162112910249932811
ABG777101811912991261071510101313589199
ABK14217212324662415237373477587682128105734947710110987420229
AIA610232125241721217138115246214167882015
AMS8794420776111210121513191014257135175
API461416521132365742676933831253
AQU1061066231111109913121118511103610652517
ARS
ASC365566896541156191452138651610
ASP881555161122896916888116775859
BDV1151481026131878131511131471610468872720
BEL11620121029112191218211419125231254711103020
BFE109251316301120810242418341783315771415143227
BFO
BLC7056357127761933235367675540641791161461501351441008818512959
BMT16771116131014610151314115167111174445
BNG654561118516101321416239872212942714
BOU1872532937282011874101017731711101020217
BOX1015191711289241325333634462421261754910172217
BRW829514412812355423568931696502631185953384175712493801651129958102
BSL752117163210136874895101889111111165
CBB5135549421818247374147295953851622001852231602361023956
CLF981141124171987131611917915114512972521
CMO6810215452884971433592687429213917016531722914074522933164552
CNB810218131912391811899911720771397155
CSY
CTA86181261014241095711496144694794
CZT11778112652571715109101971455091073518
DLR752122133917161085587681879987185
DOU10713412271723108161614141611201452141082624
DRV6644101834087383642291628401756456241244751454537
EBR879613241616111610155152414181736111182520
ESK1082062134252211122119173216164120791319133732
EUA
EYR8514129572656198149109132121989710239
FCC78984912749425217214920768911301291457390454913150691529189
FRD111121819101017176831012178244141214181311
FRN1161524746222712810484107181088913188
FUR1061361024141887111511111681510438872620
GCK
GDH108112548075675542547911837706316827315777214764128300136
GNA71127913151218107892017101281010845411
GUA1171917971216564784578355391119
GUI58477161414131031146208451416771914
GZH59651297941311912731359553363
HAD9713415262121861612101515122215531112102824
HBK58559145132714411712511525101052814
HER575661071568183671041032011762512
HLP1172111132911191012252421251772813671013123022
HON66121262414259573266734453594
HRB1151488261215710131511121561510447872719
HRN2469586313416528918910282888977372146566642032184336236231
HUA56168192898124510175729235617242827998
HYB
IPM
IQA144158312225132132184749018611783141108501881412061281028977448136
IRT92428917162826111120171319717101522144366
IZN
KAK911441410811767993511946646104
KDU10111617611131678571356995563838
KMH
KNY8165489911777910441186763655
KOU461031484810841411121111696145567
LER101224143326131210152321174315134315731420122933
LRM10102076111312898819159119119855512
LVV10616118261116612141715151341811427992715
LYC
LZH1451071511811591591310415512854495
MAB
MAW
MBO474671211918209812915856910651812
MCQ27334148372147713175271579917210417122711844404525222933
MEA4344545227416102213139276223245440333412332520514030
MGD
MID
MMB86571714111910891212561510698610135
NAQ1201382931619513112623611254303525503012011353169748390258101
NCK95137825121579121411121561410407772417
NEW282129411349302515911513141492415171715311916
NGK1062010142813201092118131813725126071293123
NUR111725221327102110163236305128183313731512212123
NVS813211151226161017212071972310161797688
OTT1915392817343035346144141723143212221623332021
PAF12111412102511191421201622232817219691622162421
PAG
PEG
PHU711851510594121391293155105444103
PPT45312728152054833747425743142
PST
QSB106125622208251315513172391615359963217
RES3739924828762836415692579313240104761041339880805855
SBA586311586521214313572293727317260626851383044416459
SFS
SHU
SIT26444234197748754282610222934451515211918101223
SJG451031492784453786423105354
SOD20812782109402138362737665268691047872443668257120233219
SPT88856231718128111479234893113692419
STJ11213026154032222561212151019151823351720182213
SUA9714710241491011101216111581412407882716
TAM68655171662616931315249662311752516
TAN5554612844411379121097246103258
TDC
THL2943112184630314748941176383114647911550693380613645
THY1061488271415711121513121771511457872719
TRW45154182371114456761371136854109
TSU575661181536133691451052211952815
TUC1061924104021231288587141121591166207
UPS9825161327516892730234523103711761412182219
VAL8712416282219751710101410132116501411112723
VIC211929348602639169114121011121911181313251415
VSS4711415135911589813131012759751310
WNG11724121730122089212116261573214791515123529
YKC61106107191864151613312239317210610616525595232109111314011119399