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
AMS261413102825163222291835392156584553245035421621
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE55244734455028663625493920324347112139177367373513
BFO
BLC3744306223012974100879852122101559977721731166461604549
BMT
BNG
BOU211123113521561837133620413417434954311616184411
BOX
BRW10810695154213189110963341422245372331354652236119931190124323239157118
BSL12272313424843211511351231151942344635172019487
CBB3941364410116172691295361868897102673911710984451074122
CLF21211710292121451414331915162836448621404620227
CMO17864129220195527237435483626498301610290467504881113555939030311810299
CNB272423355532393540333226511746453554425637131520
CSY
CTA
CZT143526212729235714363250453943866187542749661713
DLR142225153740501620183115302813473750321621144310
DOU
DRV1462311712422201578394961198476434470483613812461118332199222
EBR
ESK38285925424346823927554227314556314311532195743319
EUA
EYR
FCC5958284440123314050235492148212358324186246200450292162641192629
FRD12262215443630402410451032122929214438231520428
FRN1481910231730181732241724301538413430914103213
FUR
GCK
GDH6641563719596471508462537412517712961551286910030347366
GNA
GUA13121127303529331020171061424113327322511133922
GUI
GZH
HAD252526153129345321173723162130409614525744627238
HBK
HER
HLP
HON161013231422111712391618391525171131382312101514
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK8691421161124149148546181542302526161593
KDU
KMH
KNY
KOU
LER9012924246648032816825394022476867495317149246141954311
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA1651381392352235366342983443802162023962652291651451431659094846626
MGD
MID
MMB
NAQ24215625015340541033753357023725117315713313386257289141871992133380
NCK
NEW311411254464539080644824806437596174413630163915
NGK
NUR784755566161216140184152334058553683919286149862620
NVS
OTT6853343578181160141166367418393339332270726329164112
PAF1681684466536428563090489757568220837241197177253844520
PAG
PEG
PHU
PPT151551178586847854941315810141720
PST
QSB
RES
SBA
SFS
SHU
SIT
SJG143021152219171475215156103428381391122309
SOD199279942281791701121318565551425313016027769933615812333437018064
SPT
STJ2574461444551223456302734342224303579584448153310
SUA
TAM
TAN
TDC
THL26435321825526867642468013891668899803761511212836
THY21111612281913411314342514162734575520206116229
TRW
TSU
TUC151325123222391523272717273310474343291417113911
UPS
VAL
VIC171310172227316468313034795638616254372725193512
VSS
WNG
YKC