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 1993-01-31
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
AMS112517153717111159372525623123292117342828252113
API
AQU
ARS
ASC
ASP
BDV
BEL35137565048223239171560473352534924395546785323
BFE2385514748192722131740353037453922237139843624
BFO
BLC4961424468801501486948112812159847336126635321637911217319016977
BMT
BNG3111812391214194030254927174434111043151125147
BOU1113194614222515931011355243327292113615654876436
BOX
BRW1352839911790671803501209462888177452893907909091372759191065259567431
BSL91312402519181654481338283931301716475547826015
CBB4260363542408664593473171552342211441649414911915914520014098
CLF4421419392291250211646352337342315473612252119
CMO11917889143237173295274573617240764572655667639643316616528479407536160
CNB925153218273339587136121172138323715302842503031
CSY
CTA
CZT726131740222625532816547836405535243355441203026
DLR81116442019201773661535273718202011495840866519
DOU
DRV82335319131601502151295410285198203851171761969811722925911811495
EBR
ESK61278255237152259403254725866644432577041585342
EUA
EYR
FCC179257207202249339303184558687335177745824417368471250174205394320220100
FRD8167332627161316181042273947453321455753835611
FRN61319342226181572931543192814101810494931765226
FUR
GCK
GDH7047302726111799436639640165124118801758610918010829824296
GNA
GUA720143314107195345144125212712121816151928610
GUI
GZH
HAD49224204226111349261447403340362517514121322224
HBK
HER
HLP
HON20711241010121812341439101119102011121913411310
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK1011112057111851391147322922151421191925462712
KDU
KMH
KNY
KOU
LER531694210156313447273038785756974837792383322815158
LRM
LVV
LYC
LZH
MAB
MAW
MBO3181074191813402130505733443281747241622215
MCQ
MEA276992306185230268386716583435746204350304213313142212216240175167108
MGD
MID
MMB1016131599141562591887564128252327242826665212
NAQ1171365416121288173195160174190154221169886710314212123612043030594
NCK38165344132172152201959402643463421453830363219
NEW172816273730282195137491923635553556269164771009153
NGK
NUR29318716673444137303579857265703124481074421910450
NVS
OTT15262235295326541732052790434062687437555572199699
PAF48574231693839346078791537098117111703911316113431814992
PAG
PEG
PHU
PPT231519331112101215141238141813926614181536218
PST
QSB
RES24563631354339404165341871608310215317012116459137537980
SBA
SFS
SHU
SIT21481437108137174782282093454591871613501391854513910012618517783
SJG179102121991214139181612191927816362643235
SOD236165109231196179120675814111531792101281325134116376308455757492270
SPT
STJ2212151350344817737223604224504946333960301065720
SUA
TAM3513814441414843202640281943321414471910251210
TAN
TDC
THL21384124345536662863491167881921401168113916017313616772
THY35165334030172050211959412543483423454230353317
TRW
TSU
TUC8122143142321168690164123371611228485832886422
UPS
VAL
VIC132817273934291748124301203322442238278156561007651
VSS
WNG
YKC921492177987228403150285924185391453530344503543262353180453369294129