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 1993-12-20
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
AAE
ABG
ABK
AIA
AMS6415111347663813753561410121310137
API
AQU
ARS
ASC
ASP
BDV
BEL517179118466755484569812711155
BFE91934141510549448612981016132015272812
BFO
BLC34361241601747141281422291281051098736214917234823128514512772
BMT
BNG9211510746911851015987711922125512
BOU3413753212226343558385583
BOX
BRW2966763729301515321220316310310777765539869379974859
BSL63251586435241168381510101096913
CBB17263547533415141019366861443713476153126111168954455
CLF59125533244365445457115467
CMO11395742191715101810160167409834492326446036272426
CNB7611161133462554555486968106
CSY
CTA
CZT41081035366255573425774639
DLR
DOU
DRV2171071221653681797042673210611511112545109986415621623610915288
EBR
ESK6102010334365464565465969118
EUA
EYR
FCC782541009010634382330252838766652122374612470945376114
FRD4313753113114246453857344
FRN24147751232545335236144562
FUR
GCK
GDH90655081762038451349950421158561691224360817366123054
GNA
GUA8911131353375103149455146674815
GUI
GZH
HAD81321129763867656667108149101310
HBK
HER
HLP
HON4411108433541248745281571191112
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK1757168837647512845714878467
KDU
KMH
KNY
KOU
LER615251291044444578633106131114185
LRM
LVV
LYC
LZH
MAB
MAW
MBO1015229314776881473651171496513
MCQ
MEA19284826201318131516614241321743913362142332522
MGD
MID
MMB74811725442277545610747336
NAQ159415298330147122563063292443628337613345454964635477
NCK49105432254335433455106675
NEW37131054443377455758476595
NGK
NUR142128201245373466967616121711242810
NVS
OTT861819117439447310911581516189711
PAF2213101910522435687131655714163
PAG
PEG
PHU
PPT22121289444641441063547201212787
PST
QSB
RES1411532813188107161430392213404233725358281413
SBA
SFS
SHU
SIT410221411476443825171586741391181116
SJG1032176433514910146333873568
SOD1009685614717115746791581967257684415110153
SPT
STJ2216563631171272277109181018622223729101315
SUA
TAM818156639963679123669818106211
TAN2958633972237554476108234
TDC
THL2520167532934211622111437394311321426514741282721
THY498453235522532345595674
TRW
TSU
TUC46188952242646445312574474
UPS
VAL
VIC472013965443467549677878127
VSS
WNG
YKC44119902256561691949120133108788216952841228112110243104