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 2004-05-12
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
AAE31383623142432262620351479456555343
ABG10177331017141015981179877131011128911
ABK233232289548196423013213215241816251323334469116433555
AIA1121940484445443275654564872
AMS21016141691410781152222249710533
API861415157631132216325341051036
AQU14151436316665121982954651088444
ARS
ASC431820556108111045381168432333
ASP5714251145393231833427781062
BDV2019944324127552054744107141011445
BEL252510603161813681869786111117915558
BFE3322288032915111210141012810813172314216811
BFO
BLC6311213414243291515472840383949639258128707860576260
BMT95141311115463233445696889610
BNG611163211121820847141284455153443
BOU1510104648118310722257101219711121197
BOX24214582245211211161812151012813162611197411
BRW1299211011812479621412731741434528636744571958711099544244
BSL105116047984853479979571311774
CBB754272837434203431281610322154875327993199888913784
CLF15131932344768513954439715128554
CMO7745129217170322153452148422595037241847443042263740
CNB95202722137410333212534471071348
CSY
CTA5518251444392232933436961234
CZT12201543134711156746542247911433
DLR54752491083116333665947118664
DOU18132129366961061497856117161510664
DRV432027657919271029201810102112131416214945104928
EBR13132234321561113161914561010107101710654
ESK181419353812671487912811918152324188105
EUA
EYR769381495620744284456598776
FCC167102188326129625557166796441193331253371328248404550
FRD95146440954434710513878101611897
FRN12812334312104148322526539610964
FUR181713383249755185484496131010555
GCK
GDH331625187124323544796938574539363955881075760877951
GNA4102213122358732142333758445
GUA8126311143642321523434659614
GUI64253315352720219458999352443
GZH355161293106331242344467533
HAD151123333758795888556129171711664
HBK711193013108996210935554233443
HER4101829207969737927454334434
HLP28241454249191681117101071081213191317778
HON118162219882123121522633106843
HRB192094431513867214384410713911555
HRN1531075567838786406450382953283434333471102861061074922
HUA1251844398821426691421212428122421852
HYB
IPM
IQA5054107261955531226686505131364045429212764657710434
IRT13173319121168161365454689789957
IZN
KAK62717116395342252435372667
KDU33122611361082231733426771151
KMH
KNY439121383106242252445475767
KOU9317321786263567876681187522
LER211152103331078911471471381614242123887
LRM3101314105578714253433868547
LVV21235412961911981857767129151013557
LYC
LZH10131619913744313343568689636
MAB
MAW
MBO54233174614141475676666852443
MCQ4029316863161630842191363440851181319121211
MEA582811366161142540565112941114152919162432232233
MGD
MID
MMB848242387595523546494837106
NAQ150135295382259141463646421721101210172137709236585343
NCK171711372741055619438449612910445
NEW331924554315871362425613238121619191216
NGK27229533471697715776761110191316667
NUR3727481122041891312161216813812182412236411
NVS149332213114916141145666898910834
OTT12111343398458848125871119213017121412
PAF774867331081298106633345241922745
PAG
PEG
PHU4742415114128622243456679643
PPT105111321792144111522636122475
PST
QSB1421134337567101513528859610810654
RES41822467732121253723202224612611225416315892109537042
SBA493930537113322481281412191715182754293218292742
SFS
SHU
SIT441750813310616162034376101213181012191219
SJG62113118972612657544612115444
SOD27820844553010124191119251220171321111822364664141917
SPT1110243431329716237278674995553
STJ8101244416257798744491423271613108
SUA141921382467891117437649611811455
TAM7102233174815141482710101185253453
TAN7121034154679523524345333333
TDC
THL49201549112242415604320163953931118261576540698551
THY19191240304116682043945106131011555
TRW891540338638355675456482243
TSU610223114101144748643374244444
TUC969424710941373314339810106765
UPS35234398236147141112915712712151911206610
VAL9925263954696776555127171710653
VIC2914185337148615733334121761391716913
VSS872132157639813127449914654543
WNG30221567349151110812898971215241519679
YKC1061082301571325658312591974739313435363864374445503471