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 1991-03-24
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
AMS91415206260160864863513426383698422230389538920982
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE4547812250324444332051195510131721861277638
BFO
BLC45948150912398277599116403292052072402852351572411529519923535197207
BMT
BNG
BOU1122725461428122112710784464623231520
BOX
BRW563028325652835241318234273257252144211161133205917319032328911578
BSL11115233511181116658856332716141917
CBB9114313599712009686959976653362231972822981409614415199187278344146191
CLF232456027132426171455433446102325228
CMO7129126308420841039480807951453329312936491601186564
CNB182636149162141130131455629313113619231518491431498195
CSY
CTA
CZT71011260390394134118927931194123132333597167250442434227
DLR01115142361261153655432159131010
DOU
DRV287216508148986419401226650467513249399434271192313200230132272436258199147
EBR
ESK352558344183944252278675671622221425023
EUA
EYR
FCC242966722134272355585667426726713011912711211717718313221121325699217
FRD11220415215221823111013958442919293732
FRN2111714269158984447423441412510
FUR
GCK
GDH2237394698584423313001291271281591821001541261464994991351188981
GNA
GUA132332122111111011112431
GUI
GZH
HAD231395824112527131135333438121834259
HBK
HER
HLP
HON112764244131221112355452
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK224796453341211101217646
KDU
KMH
KNY
KOU
LER453681318427596228281098978152335561496861
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA1022195494395732232873468025441627913575584276101234341325186351
MGD
MID
MMB
NAQ12172926355134612813211810770373927272623436564140638557
NCK
NEW304642
NGK
NUR2421204086152542051592511251374539562924456856861319849512250
NVS
OTT4182412638465329731323023614211513582738432412689215674511495
PAF141724480885874191175150115815414788214513117118717673816191131515
PAG
PEG
PHU
PPT991056544532322426261012116989102320301321
PST
QSB
RES
SBA
SFS
SHU
SIT2645511412670683853341512181161111165499847639
SJG00131615564635431232249624
SOD2835325911109745513318293197148611081147052107266271210422506328216
SPT
STJ720207641470921914713814613084103613640231129116386568325340
SUA
TAM
TAN
TDC
THL49118152566190110727289981009349434972605125126921126192217148277231176218
THY1514121983441236491112476627274417162317235818114813664
TRW
TSU
TUC111151224514610644472332491577
UPS
VAL
VIC315817618138114013110415162353940401722272492171202205123
VSS
WNG
YKC