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 2004-05-04
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
AAE6412514751077248146933233547
ABG794917151249886315121131437
ABK422133383817322032121313131498619401713015632104
AIA14314222623361219945374855426431011
AMS971091251561345948611131141211512
API100011110000010000111021
AQU34786610714816125121194645141046
ARS
ASC11522559201894613141513342423
ASP410111264164433236422474681411
BDV658105612514616167129841075191558
BEL861013117137155151391188312105201868
BFE1381215108167197151699983131282729714
BFO
BLC4041586758456665634431292855434748486765656610778
BMT123310111110011000011222
BNG001101110001110010000000
BOU9614182410202471047710101319123431366
BOX7121613217198216761713352181942021108
BRW444880757659192195739188363318576282333304722928365
BSL651113114487951291491334233927
CBB734271615732919739392339264152415666127976511612461
CLF6699118115128162087121081257221768
CMO111836331016122150263326202535628926141512393727
CNB4101395628215642614102369667125
CSY
CTA8138945191023322541237468155
CZT122813182110515446437216941825614
DLR669119571056357451411114231224
DOU8591011712513718219913961166242169
DRV434988552724387539231625194149101923152735256647
EBR001112112233111211113211
ESK10813142061251671416136118615593325911
EUA
EYR169961073232467361672345595812
FCC2414217913698736750192322141527212721231823532732
FRD541210833510981391999422331135
FRN8578117161945343815615181146966
FUR557986114148181771111851065201658
GCK
GDH452435303320713486127103102765171233558343735465038
GNA1381317168241376431021322813715181312
GUA107389797421113112123741112
GUI23757233131314884710513558442
GZH112210111000000000000122
HAD5689167114126151711581151146262098
HBK627561511151012101012612734446834
HER627594518731117968743448924
HLP1191314127136131016141112874161072121710
HON10533424312233121121074212066
HRB668126411615614126121173975171468
HRN624411954225122116621025443506467312542349669331133957
HUA633355835265912731121043548
HYB
IPM
IQA804954642055690476676896158436737375235951141246357
IRT64182224357961121585336848221211
IZN
KAK212111210000010000010111
KDU5106995123332133212253481513
KMH
KNY123211110000010000010111
KOU5262535539689810384847324
LER17811171961552071214135964127941341015
LRM1781218871485642111832247581598
LVV66913108147157131012116751195161569
LYC
LZH5815211764101085325612226581320
MAB
MAW
MBO228443491714165461015811277333
MCQ1061320101294110625161048593584410119112213
MEA91223233825856719227610242381921988181712
MGD
MID
MMB212211210010011000111111
NAQ57334684159496125323423203227138817131347561939
NCK557104411614613127101073965151467
NEW91012122114414271145616164162410581068
NGK96912751451651518812118412972321611
NUR1211141320101672071491312672161663029910
NVS5712212761257810711128248987191116
OTT641712188771513101512221210433561768
PAF208915191219919496449222126536271024
PAG
PEG
PHU991618122612952434312225451521
PPT6411542332233252231010312654
PST
QSB44171013712141356411162126437956
RES2734653945377847213913201730484196158859446618373
SBA2332313627312937672228343746452322523140356411049
SFS
SHU
SIT7131261412828591110610282648229131324168
SJG436253434311413116872324744
SOD48182318309271423101111151375619361068901939
SPT236678538131615647126826151054
STJ10312123081112125101018191112977582858
SUA451013731691371291114773963121158
TAM238537986813117111112366510644
TAN617514172713655229114324526
TDC
THL312069172335722133233269797212012510382305458335172
THY568125411715714127121183975161468
TRW7147108156753674512864631756
TSU52755511196108915108883444633
TUC64911116121556356510171586721555
UPS159131418111662071214108964151362930810
VAL4679195941261114131069410472820109
VIC8119814114042610445161741121121271166
VSS42344584551814663857932935
WNG117111396135165161788129413972426612
YKC171041605153959672693226248071123228183316604627