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 2004-04-17
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
AAE44571011433673264725422452
ABG684481313414115321222223322
ABK4923282121171113101619149711818121447858510070
AIA245471571253585106313121261077128
AMS138978481392593675659831033
API001000000000001001011100
AQU8644861241120168456645436663
ARS
ASC32133123119332371143331231
ASP71112643415143297325644363
BDV11875861328112115658838559874
BEL15877861136162011541174866101185
BFE159109116133582016105107410591211125
BFO
BLC40482947282278451738333313303850493983727697225118
BMT111321011110011100001011
BNG000011110000010000000000
BOU389103928188876478129111415686610
BOX22139710378161912451010967561330126
BRW6157335552413120534667213222884129108811556459266930
BSL76352724256528121012179105314746
CBB60714240931014812242524151744304066711354035596029
CLF9876116147410202516311838768794
CMO262014234062191449263113354646582722201326122613
CNB101712784536223316241447775775
CSY
CTA7149542125222279535549664
CZT1659720111861312535454369871054
DLR455518137444331156131110958647
DOU118771161464919251531294977108105
DRV85123159673033222030261521175261291921184051106348
EBR011121211133211111111110
ESK11899951367715212291274121461213126
EUA
EYR1414882513841059561716121085511969
FCC151420179431356554962272422212223261538513124202111
FRD7525292883556968111811106315833
FRN94792313164463355159518231021610
FUR107751071347132117858938559874
GCK
GDH334134305127191420606755524081827569582444296244
GNA1210131511542525542124177717911749
GUA1312149417133822122321223616104
GUI24237316831219221071179664342
GZH001211001100000000001111
HAD77669511785142222810838949985
HBK42671492318315208334425443432
HER32571441712831515555425453633
HLP16111178411381423158511849871215117
HON3351851122224332916542720103
HRB11875761239131813559737558984
HRN565068585885837354746753366451304035272761353435
HUA322253332244722655954675
HYB
IPM
IQA487229381421738432334865424164304251991134759286172
IRT97881323113591235121412455712497
IZN
KAK123211210010011000001121
KDU4912333222333254223532953
KMH
KNY123211211110011000001121
KOU2312655222536296341244332
LER15798771154101412189954121271619177
LRM108131710641526641520144310645211
LVV1389666105101518846108386581074
LYC
LZH1086132216448962276422438478
MAB
MAW
MBO242353353411151871214106444241
MCQ1811171717201062114883546344117191620991211
MEA8131637777047152217118142024101121328217910
MGD
MID
MMB132211111010011100101121
NAQ6141188091110511117212822201422221932232644182236
NCK10775761128121712548636547874
NEW561220493931899767141978162669189
NGK13897961326102217751093956101095
NUR2312128114103814161095119586101727138
NVS17711261414179612781091154478888
OTT1294849361648101111912122011126419946
PAF281071021448103974778771912143664
PAG
PEG
PHU46413141426107122342223265912
PPT35148231212225213131034776
PST
QSB854576218181055474235524773
RES49674015474039101122163723293341951101066165187026
SBA273638544747271114333144314644264266524157296519
SFS
SHU
SIT11514136669251126151191122321418162610235154
SJG33118962256544109884712131
SOD272120131312126917151197109119124561665723
SPT45348311117721241547858546443
STJ1276725171435814129151420191017720755
SUA
TAM45335610492024149129513434352
TAN
TDC
THL21344220201814179222330446350523765612940305917
THY118757612310141813559637547884
TRW93343453124813362122127913573
TSU2245951917931414822355443432
TUC45662013114453366118121911655710
UPS22111181051034111814114108410710141597
VAL6656961079612132515983910481066
VIC4412174236286710656142151215227115107
VSS42226233361685157938522341
WNG1491081061435102020126108410771110115
YKC161723672192186719135664218304343241838572356294320