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 2004-04-18
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
AAE3391541613126444436762343373
ABG3106516167145775634231241322
ABK1311271215302018411713171713243940134542301324856
AIA9221191721413982491044174959696
AMS7710792411134665451526133169611116
API100100011000000010011110
AQU33725711522172016613162145101051566
ARS
ASC2132222416145547161232346331
ASP545141241196321345106351354127
BDV449256105161324184111724451416621109
BEL65103771111181621157111830671819624119
BFE65123711107161220194619307620228351714
BFO
BLC4016201159865063105191933678587764653425643604747
BMT112331012100311010110021
BNG000010110100010000000000
BOU8245111644151749144171620198644910
BOX1371286146112114126131016422010262662277
BRW322820177045831222091323734246153116704349808245414640
BSL6112121033540438418112194766696
CBB461329164522542725221332693239465269437761647951
CLF649277115158172713101823531213723108
CMO11764195630219219666368176122195402936253322262310
CNB5545574212783424614161458176576
CSY
CTA523447211126229469624134674
CZT6332691422822624141712718131121137
DLR53236822426125646251473631911
DOU6492871161672026121019255214156251210
DRV66485855406245425813911553745535012303927353646
EBR111011112233213321111211
ESK9492119117162152315613236519148321412
EUA
EYR1413771389494573829121812104613108517
FCC2356131452671221501886325509211744163039292718332432
FRD5122131163942539521101387279663
FRN1245378414198471413145132520328510
FUR439257116171124204111824441314621108
GCK
GDH6111202835372738384649512434110323921263026335124
GNA61010941159894425121217149121911151914
GUA719251041072230121212235161392
GUI4253444834172822712149121046932
GZH101111011000100000000011
HAD73828710613315241551420541610723119
HBK323457251011182010841212528561073
HER322445169451319113109528561383
HLP75134691181914231771319295417206301310
HON44333241381345723149471520122
HRB4492779820152315812172636151562098
HRN643858477079937362383641423461316522233716544525
HUA22122553242237856810156732
HYB
IPM
IQA6121262732614044991111361013341100464961695362536834
IRT47819231279951232773464441102114
IZN
KAK112211111000100010101121
KDU45522737562273364231032104
KMH
KNY112220111000100010111122
KOU212212473525541012659105122
LER104103121197164131710612208320147391515
LRM651010396103432191013895410791416
LVV5411695811211720138101829681618520108
LYC
LZH9872024115101077314432423427137
MAB
MAW
MBO3153245313912131411191798266621
MCQ10812141319215613344263913168118294413252822886
MEA15467445725971292117283325231520161916710118
MGD
MID
MMB113211121010200121111121
NAQ51773783101765379261218161527113418191920317240
NCK3482578718132114712152335131461897
NEW12556221912394614111624201210161618657310
NGK44102581071612231951119274517186281311
NUR1361546151191713171488174014726277431612
NVS8910917182212571311279101311513135202510
OTT833523151253667769261112864811676
PAF15585122291755115651245349342751688
PAG
PEG
PHU657151683711524822222263377
PPT823254241311523361252137311
PST
QSB239141241017279357758529105554
RES171232242330374130221523732817467968375142393036
SBA4333293034333686102151827443616281911575857386754
SFS
SHU
SIT955518292713485206237272171619719161415107
SJG21223241312665397517116119362
SOD249231082714142513141610923523510342822944231
SPT5262558761122241251619769641374
STJ634851861612155661616717616858115
SUA
TAM42632810518192610717201368655733
TAN
TDC
THL341429241940235925111144561675336146563138512721
THY3492789821152315812172536141561997
TRW31144971514521083411243639453
TSU323435191141518128371072645873
TUC624267220273361011181520257226811
UPS961436131061712181857173311521248411714
VAL9373881081221118171081746178623118
VIC116551817134330171015272768141219558210
VSS21232645581654510834774532
WNG541137910617921206818274317197311512
YKC17121232691458047342851264467206265402722404725363728