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 2004-04-25
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
AAE336109881657104355554432343
ABG384761919812925642433131212
ABK191114162227383557343519131211173025145540142524
AIA465371111291632178109103121478253108
AMS321113812723261210213933463842118
API110111011001010000110011
AQU525136171061710149646988576384
ARS
ASC323349656105573812132542121
ASP812211717611717910117522375246714
BDV536178221052181513736910851193117
BEL74717102111526917105410109961194107
BFE85723113012636141514856910107191161913
BFO
BLC24233136164247151281681045070844165758473983570586040
BMT112212111112110100110111
BNG000011201100000000000000
BOU4451924338103191720241672121206372311
BOX86619121010630101664891061141310338
BRW413632778898911473941652301651132537524841372231455451
BSL433191714615218189131318272113348879
CBB47155264108711014213611447473448235780721563772597870
CLF5361892585221010181288810971385139
CMO10121026247646100286140951401453832232915231614252220
CNB6172415914179261091081134488451082
CSY
CTA1022141615121571568566233663414116
CZT53418562532502181691145593148354
DLR3341210144416610817184262517653359
DOU63619927762610111713687119514951511
DRV76741496962807134118437935321334231923141819213831
EBR101214111222211122121021
ESK646241531673613141414135121186191162013
EUA
EYR2617610102652337141926131335568139659
FCC7222025156243726417313827589383128404329361326232816
FRD22417798242111201378192814937121252
FRN425111020815141141918129169171974336
FUR53617823942181416955910961194128
GCK
GDH45283068120536984339133951271039342668544512623301530
GNA157918271211131691920144444138987713
GUA10447165517332232322352444
GUI424781986696201513161511864243
GZH012211111110000000000011
HAD436201229362510913121349116515941510
HBK32466825724463453755383142
HER32364820822536552655393164
HLP7571710171510281019135771499612115104
HON2571284535236526119521115123
HRB63615921115239151254810886983106
HRN246469485928818210910617019045514738493838427462134026
HUA312574885591196510756522134
HYB
IPM
IQA52465630625714078613692581181315465451306097675052252630
IRT74102062484161532015555345867311
IZN
KAK111111200102100000100011
KDU8111915136751248843222542351015
KMH
KNY111201211112100000101011
KOU4221610486444121188967113332
LER5462715338744161314119391362271482618
LRM196722267719113181514543476455715
LVV53615817114248158451011695109394
LYC
LZH8592111205981139944433563235
MAB
MAW
MBO42459167106681612145102211523233
MCQ9151329192542271564838100521714181112201367114
MEA3310195498224310447515440188191610241096108
MGD
MID
MMB111112211112201100111111
NAQ29222010715725222620218013270242729162718242261273638
NCK635149201052191411547987597495
NEW
NGK6372010261152891515105710997151151510
NUR866207161610381218757710111041814597
NVS66519826510131910201265755716106610
OTT24839281413383719271411121827171168151264
PAF84922121313264328172231167919613841813
PAG
PEG
PHU5519236846121634743334531376
PPT313331149103610462361394714119
PST
QSB437715146417867437546432331
RES1022763564158974111510935702765371466214814012082223034
SBA6924514247716040134417239357229553035534655264749
SFS
SHU
SIT53131327423155141393660421610108102211515105
SJG22258641164795512169531013741
SOD121110211315242551192714991012241810412961117
SPT4251292137861018128561210685285
STJ464242630622248161981015211061049864
SUA911744101057586374
TAM5267718109516911596895643243
TAN
TDC
THL1347506644817965988468382310194117205186714431222519
THY5361592012522915125581188698495
TRW33113861269775135517166736374
TSU234513208104837743104483242
TUC23413111866167815181871217231322238
UPS7562062016103611161165511128417125137
VAL445201533310271091013152812641684159
VIC539141637153031281234321281310122054425
VSS32265864621193611555531263
WNG
YKC201112351354268315921317715745314719363332602427284427