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 2004-05-03
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
AAE226111533363512244336146736611914151010
ABG410717101014132012768657878814101010
ABK139212729131521202211301143311645404866210193125126
AIA433131478811174844829474610138
AMS1353651515137910642334875546
API568763549642533544536584
AQU123325775641066135411815161115
ARS
ASC12663392563243568610885711
ASP532684888664335343161134513
BDV222236611674665357413815191414
BEL44343981186679899117151215221912
BFE4365488119888811138199201716292712
BFO
BLC4732334440422424121190756833665846444443461237569106
BMT118471916141114147555447681544814
BNG1266642091278149125465131014131112
BOU33475411131520636311772713612812
BOX4388510111010121114715161019918188131117
BRW4228477910994706140222897444258681179619321239747564540
BSL323994119101564312111082578779
CBB282251533535372149325346232385615514014890671278060
CLF22332599574556359514718171319
CMO2017263833363853179816855296674592321184726101952
CNB42410158111110128544762516143859
CSY
CTA263491161010764435343131044311
CZT3243107815206367543366126161012
DLR2238741110111863939463385778
DOU2235379107856665711614819201621
DRV403329282443241038391915109826188477631422629
EBR2243981212996139104986181619151318
ESK3348691113816889121282210201927262222
EUA
EYR334614397171085634635810141443
FCC241821102146752721210616078578843181528252529101436285
FRD32391339698566121517169489151112
FRN56455510151518538623910893667
FUR222325711565656348513816191415
GCK
GDH1710203532253431108145769461386444141216444555676838
GNA4910109283364432334217132482
GUA153614141810131284344234176682111
GUI237455107912441184101210189126815
GZH7811685102015843342353783527
HAD234536911510545667146161121171520
HBK12674811610715133411066131115161010
HER2246379987612323865129151489
HLP333441191210679510118178171114252510
HON532461648732552342356493
HRB222335712796857358413815191413
HRN301734434627293133814665304388204034623254433029
HUA124892855649454742137414637714811
HYB
IPM
IQA96344233017049555012711362957347232545847612349959773
IRT8141081023121182267575557820361010
IZN
KAK461512115914139535432536102722
KDU383677818124434343421283675
KMH
KNY4617121339181811645433547102946
KOU115673733627201483792033768
LER32681199158108810151662813172215352514
LRM255810289474433335216134493
LVV233557712109410996610813814181613
LYC
LZH97182011151317135455347571345414
MAB
MAW
MBO1275441041416169512111098159105813
MCQ7791415131812654840281732553812510249151217
MEA8913118713287751161513151316226142420242742
MGD
MID
MMB77171212912121213755543769134966
NAQ7180174111199302257387813108101114512050731056410992
NCK222235610695656347512814171313
NEW5577751419282110610412111557208131322
NGK33234771086577676137161016252213
NUR3488799141310913920191024821179192112
NVS39131464101551366677511711183646
OTT53510145101110575714137171791517201519
PAF3357163131517119910755456921121218
PAG
PEG
PHU810109126122321954443464894747
PPT112454558731443665157889
PST
QSB2236571474845696585121116181413
RES451413131811262533375954265767361751258512131233324
SBA232416213027191158481815121719165134285523222824
SFS
SHU
SIT971411118157301299114115161311229111220
SJG11467263353316952431312955
SOD4517171812111716281026113526173623375416711691127
SPT12534598383884236416917121118
STJ10241972217221014
SUA23336571351210828447512614181612
TAM126544113109426677136141114121115
TAN1246710183151513923265699131467
TDC
THL29161711351921131611383113496411813134374044384035
THY22233571161076573575131015191414
TRW33610102865112797541071184478
TSU136736153851311364795131216141112
TUC33375411131319631076683666658
UPS236678713116711121616923918151126259
VAL234636911511554657177151221121420
VIC34767512182218761038101367176101116
VSS2278728448251012910141418693710
WNG333469811986868107178181618302812
YKC161836203243394662522397345597661423314212952516989