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 2004-05-05
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
AAE33467177192531181416151382020171467167
ABG511111262112111371110121081416241877897
ABK117466328924438111013355131142620783577249869617260
AIA691427121319710810126518101517211574155
AMS44365310125871055651039266710115
API36488873111524646362012656768
AQU3426258106376103896181265485
ARS
ASC2341234548731034101612104833103
ASP2629766517105255810101161544
BDV33123366646349131116151235374
BEL1233466613978155141816222424778137
BFE1966897910129121271829263244371110142710
BFO
BLC33466918911512522183122591591251018112118523842836217313214814527
BMT7734713106487554987131482527
BNG1431095121013131149141181811131355165
BOU7754105871046532916291318166896
BOX113357667599198112013162517775126
BRW27332433151591066462691951421325427291573302069958453231
BSL7711817916159131398151641219152397107
CBB1523395649461569411943428666445915237540733319010716073
CLF24243358656567121018241456375
CMO2515194962537856157117178253122621006421379735929271821
CNB42633626335523464111152356
CSY
CTA5331081379312171047811191813731027
CZT43244665335543348121053253
DLR8810917131819131012116615151818122397109
DOU45346567410741013151120231458675
DRV46878593998856444435111738263473813814516757101455190
EBR68512811139967111078983426131110149
ESK551897341047451319132932158125104
EUA
EYR476676388872188471517985547
FCC49724444337678582082361249876138594837351039610640513123
FRD5322104638262613146617161579103
FRN4537138111212786435919216145468
FUR33233267645368131016191245474
GCK
GDH535430361061385949183221123941307658141119109839048554430
GNA568161067111382020106692553158671312
GUA57715195878918858510171096451213
GUI45310368366810457711167105494
GZH24275159891176567107181774768
HAD4646655963865915142436217116127
HBK64964374864104664116883363
HER2431338114961353611581013934103
HLP106377681187121391425202333247910187
HON553910895913174553519111368849
HRB43233479447536111013161245575
HRN53491002211521612360150138681801221611027096180179831163517650
HUA77121916815218141119194862363611995312321115
HYB
IPM
IQA5182431529812684671931548494112567157166288282193474810953
IRT37610414867961085679131172636
IZN
KAK337551313136101610871113152313124956
KDU36778779512178488121716165310114
KMH
KNY353862191110111610781114152016105755
KOU746146757341118149455211768544
LER8108252220163124479131210293316211814133
LRM13101022151011912191919911131523302211581314
LVV1064888914587108111718152322899137
LYC
LZH81195616136479555997191885858
MAB
MAW
MBO454144787161010155588202113864124
MCQ15222143264229889112631234099541192022251351564326192236
MEA1120265848344614882539153722317134728252822332218
MGD
MID
MMB366548141039686478716998857
NAQ16687791431941651427613399683744345230109132646740546029
NCK23233468345346111011161145374
NEW58566651314787945923159811111210
NGK322342536683414111019131136253
NUR17671210116778819101525163642241114101811
NVS84710755411991583551010854356
OTT481020202581715171379131913142928181922139
PAF5754558433753253623167714109
PAG
PEG
PHU3639820111013101176991372723969107
PPT73571310910111017644431697775511
PST
QSB442353153955645458181186787
RES20311818132013241827221823884753631362123291631409053
SBA171719433660211663334740303349364251554845371818
SFS
SHU
SIT716121533242721114042323210168362222136111014
SJG54612978115961475335138871145
SOD864044422939216811295122202518342028289636511552
SPT15273487444855744191065475
STJ181892931351483328202120141416155047262627248
SUA5313539124378461086141164684
TAM25211649514567681272314101355126
TAN323576726117254251211883593
TDC
THL2022131422181924182322437511459725747575857275235
THY33233369445445111011151145474
TRW448106791151039741097108110384
TSU2112146281054734383452271
TUC655912812131188754815281415176577
UPS11751391066104713817201332202211156167
VAL85659561010313766151421402071210177
VIC51141099117147599531220221589131314
VSS336122666555945899199103384
WNG1565685798811771723212344337912236
YKC29259113422413062201192647816411979129135107125856724503832