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 2004-05-08
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
AAE5441517111251595233553431253
ABG6103851213739116262321212141
ABK774037301632161620192912181430272225234150263340
AIA91821148211071762111731157773841422
AMS6769687121014521103141010695113713
API110000000101001001111001
AQU66687108251818534151183543357
ARS
ASC2122253412127752191762243222
ASP1071177956814149541195632621217
BDV7791061384614226441011755654510
BEL881013413851017175571610536785612
BFE101313166179861219997139778975916
BFO
BLC5111912294431021052320471579945664010546518412561444667
BMT112311101111101110000211
BNG000010110111000010000000
BOU7282989155362531715141910171555321012
BOX81291391259131612125520465911156719
BRW77851051237985452383320364878512815513224237922711263643554
BSL52218751143771914972316195548899
CBB4911344713310785341459124752123543548411639994473547
CLF81281171698312231475109884634710
CMO4032364127923873114388112634174672631382421201721
CNB41512869677282291181091173261097
CSY
CTA3129912841061512445675522613168
CZT91191459641124419744477167751220
DLR
DOU71291371697512241386109995644710
DRV8112176873963402536808723212346375427295320344176
EBR111112111232111211111111
ESK91513171321108613229207116610128651014
EUA
EYR1812851111842019152687211610374108411
FCC2772146537917433139221412974182341222420316330245034
FRD61916771254951817972218171333148712
FRN1217124513425181691117989121543753
FUR78910714845152194581176665459
GCK
GDH4519345023653555478899153624656956870636831363697
GNA21147111210845172426206232116985146412
GUA132536141236331213222117378
GUI38444114746131523871210131022244
GZH012211111101000000000120
HAD715712101687511191117679699544710
HBK574785151061796633664634255
HER5103933910612123234854434255
HLP99131561575818227592167569107816
HON113873632314355229765111192
HRB7791141173917164651211637654610
HRN745944961441903771815611187516678656686985268915747
HUA2234441232513776492752325
HYB
IPM
IQA73185261154489836335812320985775971744174162862331177129
IRT81481914711549151286168865455153
IZN
KAK111102111111001010001111
KDU1168989426117732674422551521
KMH
KNY222102110011001000000201
KOU1433252447541517107541248625
LER1112181917249871022916691057118951114
LRM1810891291153151222195191710655115616
LVV76101261184141813567189549886510
LYC
LZH111172417942813656373522334177
MAB
MAW
MBO344431035614111815418121391073244
MCQ151713311428155136277615435351721281811412714
MEA1528451219831141989821717262514131611151191116
MGD
MID
MMB221112111121112111011111
NAQ65114944852951521202544172514311623274540391036118
NCK778105117381517444101063665459
NEW920287123352841341416202171316765669
NGK89121361695614209671210767755712
NUR111115156146611151965722655610147922
NVS131591612101216515231251511744115785
OTT625301215187614142615141129141810781581516
PAF612613151371281913249519915122792251329
PAG
PEG
PHU671329185641110573234231235178
PPT455343114541033674512739510
PST
QSB53510666191665102310343352247
RES5710835632594284418455854233551128392710962101634953
SBA484443753064382154304645371988643534625237403563
SFS
SHU
SIT813301512542744445192519283033171271814397
SJG2432342425101078161097329558
SOD23291821101791310172810131130171210201434181527
SPT493661381031424187391369422346
STJ717264414108511121416132515113188114817
SUA6461247551617854616843665348
TAM44343511432122546111125522244
TAN3365719133614122244143523155
TDC
THL5355324629102414332524172503235476960586922455873
THY7791151273917174651211737654610
TRW18565723641051451211122947668
TSU4536539851075832474333243
TUC71615441032214185141612612227443711
UPS1291815516778131977716775410106819
VAL7185131217886101410219694913465911
VIC9171979329114362415152119111414965464
VSS1243442365179443337535334
WNG911141571896414211088127786865814
YKC36475666852812927177257294127344455332728326435214127