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 2004-05-10
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
AAE25351136313214101630251413722415999
ABG111091113951013108119689811889968
ABK226714241044867810151088161852673727108
AIA5399528421413184355534713
AMS2234127122651232233104454
API2474541223512111353343714
AQU211411335723436934237466
ARS
ASC226322457813349108105233656
ASP696545652231112221132359
BDV211212356654597824245344
BEL3344446858665129865446646
BFE4487324710785913111267691310915
BFO
BLC30242463333521129587929232040726542571629267867105114
BMT123571194433222222122334211
BNG2265278111126413713942346989
BOU2446123312112171112416645104
BOX1236421145759598373347658
BRW12741231510411931196028726754335274624244181714
BSL331110257542428171488847791012
CBB39514348121638403451233197944702418188787739143111
CLF31122315853665111128356255
CMO91525161343341414311240215916591414221313
CNB213942211121114232122233
CSY
CTA3283399423411222321522315
CZT112112224224122211265334
DLR3310934763321451863326491412
DOU2232343873664891038276365
DRV283950607121341121122224252331382816273951283254
EBR3236693466310554136105811101111
ESK21222313499551081049468355
EUA
EYR334822342341332312223548
FCC118181112536326117646291792210126716211836534337
FRD11351223251377545101085564
FRN333522442221251616135877113
FUR2113111496353881015236356
GCK
GDH874711097841732337048393739393511185577638131452460
GNA971516264495222223432103645
GUA7315961113531412223212448245
GUI237442221234333232364589
GZH444873137931322312344577
HAD324423335107961010123135684711
HBK324443344537486433435445
HER215623231273229532244334
HLP3242234888878121095457107912
HON14912421112411111522544104
HRB212312475563697823235356
HRN5157205310428172224295237464285162921385589847140
HUA351313341151494142732371015233634101121
HYB
IPM
IQA263934316912742275436272520152217323753508958866463
IRT5515556456656653315433427
IZN
KAK410811643331523233123554210
KDU3386424631312223322625813
KMH
KNY45612966443523223123532316
KOU24873252124581311655121413158
LER22210842235944749873584614
LRM9724579614151244334534384378
LVV44593481048945109744468988
LYC
LZH8101038119547312222223545512
MAB
MAW
MBO24844232581910341176768661011
MCQ813917138111261011726981717766713126
MEA810171565362637767648455911112220
MGD
MID
MMB675643243231212222234686
NAQ2159204165613244221415156816162727393351712818113
NCK212222464552386723245355
NEW36562232131121399164959148
NGK111112269653787724244222
NUR2354542586784131188457118415
NVS46684764571253364542713433
OTT4210644743754269279711761813
PAF1133415413221110111410215
PAG
PEG
PHU5539113567123233332346671410
PPT24531122124122234106495919
PST
QSB112651565363422323315676
RES4029121755131115616361342484460431287746494734
SBA251345402081519241512994525142917172620334420
SFS
SHU
SIT513769484326394475485861112
SJG327722533147323657494657
SOD17667116427361041488591234573420105
SPT212325212534443657456475
STJ7315107464841171091016789131371610
SUA21141231041224766623225447
TAM1344425468735598323567109
TAN111311344963121111122554
TDC
THL149516101420113150378251132106434355283419142215
THY211322384562486823235355
TRW3186226222541415967633549
TSU111224527967256611122322
TUC22452354222145821536518137
UPS123342344855411994346125412
VAL6389332261191066131251697105517
VIC577653322322124751857611138
VSS22842141171124546128562559
WNG325632288763811974958128813
YKC1222714836104199171396526164033161124128927152428