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 1991-11-19
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
AMS35221917232330231912161536164766978839666522921
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE7208812107884565471962721525231943
BFO
BLC392830478513878578576797210482806483855510261902930
BMT
BNG
BOU6744613161381213710674614943411
BOX
BRW4626455666816759143556312563531031071134195965973715046
BSL463225464544455427432221
CBB312135391261707959961004676697184527163398083602835
CLF313447555634433310142481571031
CMO1511183519285064316763687665471092272031714040202016
CNB382516254025342712261330451150187965503938134025
CSY
CTA
CZT1038212232303639192810113115349285116583771711313
DLR242123554543444226332211
DOU
DRV104852321562082495823310612062811625250121601101318175162195200
EBR
ESK4187710810794554551727441318161441
EUA
EYR
FCC7433325518613012919415110714811610612912991891558887114391925
FRD510524121164536655337442431
FRN13113696781058454612723322
FUR
GCK
GDH262522193937223838113231504840362557161319432111
GNA
GUA111111121011111111121110
GUI
GZH
HAD313347565734434411112292210931
HBK
HER
HLP
HON111121112111322322522111
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK111112232221523234342121
KDU
KMH
KNY
KOU
LER7242314121415711455666201221582545212053
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA1078759184129253366281623213571662065674651132222175554425239
MGD
MID
MMB
NAQ34525729545929132138233226212315274411425371165229
NCK
NEW4844111329192020281618711612302166634
NGK
NUR671055528504033393120294325225012932749460971431372813
NVS
OTT62119562264136167887348625665484827286346502630136
PAF1171002233444548304451172538457028526825782147200723826
PAG
PEG
PHU
PPT11896944664336331613105816202110
PST
QSB
RES
SBA
SFS
SHU
SIT
SJG121114321114222133111221
SOD183228110105122103699448415274547498262505258491072442686841
SPT
STJ241138816345984644616674435253226569331868330711
SUA
TAM
TAN
TDC
THL37493948905950778843436291508476651069636711012747
THY5010939305138333442182845252344771232055611172105259
TRW
TSU
TUC231125765774645349532211
UPS
VAL
VIC242824124647866165861076011459644144146992621311416
VSS
WNG
YKC