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
AMS111026151915181140392826532830412115303339393210
API
AQU
ARS
ASC
ASP
BDV
BEL15732925311616111061926172428311415292760399
BFE182585044561920101819293424314743282085441376033
BFO
BLC358456403313710511617748411378352388228270341190128129271482852
BMT
BNG3011711381113173929244827184433111042151022137
BOU667121213915105592617171617157352034262817
BOX
BRW83741074338281191071253428227617920325921223545122343342345285132
BSL7662222151910173292630312728111137315249538
CBB2350151516418279804641585622731810517619413718450128363725
CLF22839161245199822201918221271519512109
CMO358634711201091053023106552855183212432663181991061082171999912360
CNB61011968131918126422818199188121818191615
CSY
CTA
CZT8691117159889142830141916151018191443177
DLR787292013171145541224232917211712383635565914
DOU
DRV61207143116212152408184235160159379299208275308286113110413426172150192
EBR
ESK1716410141410611161113282220321715174010371316
EUA
EYR
FCC1302141233561992211481034325392392035213922771692881642252893679475106
FRD42253781017119191212222524916152836163
FRN9116189141283662101512166655373229463722
FUR
GCK
GDH17510026791311951411039280159333171339202295199107692846061047596
GNA
GUA8191433149818514313402421261111171515192759
GUI
GZH
HAD2611412202181014141026211616272015172912252617
HBK
HER
HLP
HON177520101291682612309141511191114181247137
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK101213167811194748105436342222172116192951409
KDU
KMH
KNY
KOU
LER26502244613238141121112059372429301885203281597830
LRM
LVV
LYC
LZH
MAB
MAW
MBO3191063991712372027465431413481646211521185
MCQ
MEA2039119171214133941308781287147495162247249191196949122312515013270
MGD
MID
MMB411778656343595840271519171712201849458
NAQ258332116288311325196284318171208299317287134150187190332764188600779140
NCK176291713710171110282418161912915151017119
NEW9121540617538674114650153455634283613372642264512
NGK
NUR9531634304026916241446414654435031621548119913848
NVS
OTT161093942556311317018428754933403348232986512684416
PAF1239832201313207254212742381088626405158962406266
PAG
PEG
PHU
PPT181315286119132114103819171212281017181732227
PST
QSB
RES232010111429212727874817789745539849516949365234
SBA
SFS
SHU
SIT1728155612917520210332524121941015330123312215632119818511513826
SJG1067161979913145199162019211113282936256
SOD17656742701962008349388844149804019818314175137251259490573336
SPT
STJ413215253377838064813810775365174714261597318513619
SUA
TAM29116123812136371720342417402513113916920108
TAN
TDC
THL3517102329422330313644859270792473565211058776025
THY1652111513891796232113151812714141112137
TRW
TSU
TUC5772110111184151919142086138333124464118
UPS
VAL
VIC1217719293048482510942115275235293719513040546620
VSS
WNG
YKC461541497548207282201532122013026529518922325835417017026521416216499