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 2004-05-11
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
AAE810611942272222822291248189810252413
ABG1511720231610121121197989776181111151519
ABK22524110411339211712162719142026141248381022974659214311
AIA242836208887355223103466911363927
AMS1231395310213973322441287102912
API15781085251432332338789121210
AQU101431043738612659556610713323114
ARS
ASC461875328991511568141818710891913
ASP11311115637244126323121710911164
BDV13185114361066144456311614614443713
BEL16201097481296176669615820717483814
BFE2621131057111211131510871282110271022576310
BFO
BLC70271422221452032513212928163415012629714658795819686156
BMT456177788210434573682391071510
BNG78116268181285591798398911203013
BOU20101815610910386453912177651618926
BOX26914138814561825171113169211224725163422
BRW671071431778536933720361525304628645917117710010756138160
BSL13141915788112751299355951622623
CBB32475269353619181316182123552548109547212154116104169
CLF171541052654568585612515914394412
CMO34679291432447181012126113619134025532337347855
CNB13714138945135225322111615719117
CSY
CTA1041515873824412532310131081394
CZT1492721639361244754139984272313
DLR14141513589113852681644841622816
DOU20155105489669108785137171017435210
DRV57315689672619198101055957918535635725434
EBR14149914105495616612510179101316293815
ESK4215613468911138587168261133925589113
EUA
EYR1413202597662452263326101210272813
FCC701322121271149269369854391415472418382420246523464127
FRD171621188610925538742586719241030
FRN189151047810375274371258412211315
FUR1417410436945124575311613714423912
GCK
GDH39173526263553465873332028404239135207667557508252
GNA471211435832422532313209910256
GUA3920636137554124413676910115
GUI87179724910812938888108121162615
GZH689104463684134423612594147
HAD23156106356896756861682181644569
HBK9669385327695365210710827379
HER8641034543116953883969725355
HLP21179776139101018787117172322622474610
HON1631255336244133326744131286
HRB12185105461056158486310713715423613
HRN23118735127827970622070342360143681329729416164114451216
HUA13163118753113353162041314513634853521616
HYB
IPM
IQA432443125510849484249733030184837165193806881165252183
IRT6101014310912813118449410929151212287
IZN
KAK694845722542234235128813103
KDU571585354144125312912897143
KMH
KNY6177545724642345246148911103
KOU1011241173372369157116314181515251016
LER4613111066612151712989108289219194910624
LRM3713196474234136424122210911266
LVV1218578771288157777511916617373114
LYC
LZH44717567829513462672081242012
MAB
MAW
MBO7820962310151418641310101015141313102612
MCQ242639392014251146534743818542316376340
MEA30255326111312667845147133118221840416758
MGD
MID
MMB101261277105275234635619111213129
NAQ1781123401361001859126191712641428186136475765120201169
NCK121541043693613748639712715383411
NEW221441218111111487347611201014925231738
NGK21219114481197148568516820719555311
NUR23141514861311132018191512139241125923213325
NVS68105958915101485874118231212133512
OTT211720211079824537125481618929361942
PAF2610272064103438864334617128406419
PAG
PEG
PHU78121446731010422552471661241910
PPT1853733362431223365651020208
PST
QSB12146111412411229636137499151017323518
RES18775145252140131443391975671206688899585768040159
SBA222565832246371012179149101653623482843292732
SFS
SHU
SIT15246023101314757635115101914171423201823
SJG119188634624654233251298161315
SOD2641065171321317912262116172116113920382742692441289
SPT121211962333556685546101013243715
STJ1617431214977456476871811231223292812
SUA1215476682511164787581612517403413
TAM89138556161396261711108981113193213
TAN9621133545844234138977242110
TDC
THL1630635623336631166828185941606810450887844683633
THY13164104479361475107410814818423612
TRW14193218765833662895686712281116
TSU8712837536889256231071010223611
TUC1611121248810385284895611714251014
UPS191711107591314181416121010821821719354614
VAL21129105355810243487171118714315410
VIC18144018810994762566916813720191129
VSS61329146438337811486716161215191116
WNG29211212468121010137671162092592264708
YKC45457576717754505047791424795919562724236410216864