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 1991-07-13
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
AMS142312172291429554141793851724625477334932407121
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE18145564252518621357384143862022532755631915949661055657
BFO
BLC9710596401832271518056729097231129265186219959751677570640278172152
BMT
BNG
BOU28293978401826541157258124497686872882122248124724448
BOX
BRW2111542884721033122951526725519392114276127115643656267143711771039442956289
BSL181847833926226679412573205844481071042946125822521
CBB14349841181461008246935763901361201741631567151115514552565226135144
CLF2282929171215218874393726263457217165393372713228
CMO671834937811712063187978202923591247114177157414298341230320284524283273160
CNB172419774413165058613412612236107783660432648808111
CSY
CTA
CZT3523221812101150794231947284117188274112502537824531
DLR19173878392523689048306017534868101991741106894624
DOU
DRV596612012188583323113386602121048580841711231351071141289554
EBR
ESK442050613216195116410989121882362833354303427358922448954
EUA
EYR
FCC137893424751173874059737501017482561068127617591459973369309600261299184
FRD222763873924226711143341465472665113515075551486510841
FRN15142743342019458251483124316273177134412568746929
FUR
GCK
GDH37315107144951271066456919614389216336148215516387241913011686368
GNA
GUA148371082618241966572582662944285243121853302320
GUI
GZH
HAD289353920161232112865358336466852642434440771003332
HBK
HER
HLP
HON15101551158172550321967353434153753191250692618
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK12103743279353042462970473138377449121627221411
KDU
KMH
KNY
KOU
LER4853621554134168114798902172394604087486001747317574641271150
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA8815130628159128294849101672052392055410127787811330591151146253308272253
MGD
MID
MMB
NAQ12818096393110317195778633298625202397389532350117063914422712535822891
NCK
NEW476886975426251371663931207292272833781295243427977134907996
NGK
NUR3117447423311361110671114353044402237098421959019319031690191
NVS
OTT39427785382913192287576152276278150933004432797512933432541081
PAF2849316333131557846575393258438456909852411213194562389528263
PAG
PEG
PHU
PPT23191231228163362292545162619253339261770781610
PST
QSB
RES
SBA
SFS
SHU
SIT461152153548810341673722544228779565575623534128568210693149111135117
SJG14532451920104454211161122731224926221761712727
SOD27512625129714789551572623022114783564234993541403960301157344635785187
SPT
STJ111410011815282482108102917991516324831127680651511793421
SUA
TAM
TAN
TDC
THL74135119130121951432101796010913492170162120466365289175271112167123
THY19123130161122238067424345383347120146503081595924
TRW
TSU
TUC221627613924236010059353622406280170130253592826328
UPS
VAL
VIC345573117513427961301839039127623425898444315956686667952
VSS
WNG
YKC