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 1993-05-20
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
AMS2334691288358233322221111
API
AQU
ARS
ASC
ASP
BDV
BEL246359195347512176565424322
BFE4456871144647132110945553323
BFO
BLC263334817598329279100362934121126215726152523336182220
BMT
BNG3454297221066381413735644322
BOU535589814733635152378161110823
BOX
BRW34314734167727017210840214264991101004473172716135713
BSL5386119161858468208111165674610
CBB294237201320370292343846254377578875295611167574543
CLF42333211354434115678332122
CMO1271536122740614018451814845286244531510121012595
CNB33674914136922444222322333
CSY
CTA
CZT124435244323322211232221
DLR
DOU
DRV9712213815742517458283940162615596313121413320142129
EBR
ESK3334428485356147866433223
EUA
EYR
FCC302441261242440488269161170995987736838222720211781219
FRD2263342763124155613141174675
FRN33765617186435424101982812665
FUR
GCK
GDH2019295227609544814910620018197150524730423934384924
GNA
GUA116111710202541074445421533101785
GUI
GZH
HAD5445341457576411101159454323
HBK
HER
HLP
HON556617139125443234115356232
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK3142014310224811264673354539125
KDU
KMH
KNY
KOU
LER8365757783547911665443323
LRM
LVV
LYC
LZH
MAB
MAW
MBO35663361916167611121610741033133
MCQ
MEA1413162613442841262101328358313029119911107769
MGD
MID
MMB8136749171081145646222536492
NAQ5149524460751708278625238284332262818263519131713
NCK3243461331233110
NEW65712571318171315116731012148148684
NGK
NUR667767787488202111554463232
NVS
OTT56712512252428115491110781414112766
PAF212334779344211112121111
PAG
PEG
PHU
PPT8585481916133724633711744799
PST
QSB
RES2611192212201229514203041314056473343808865972716
SBA
SFS
SHU
SIT87172413199950478955151610101127833747
SJG33645415117464214226335212
SOD321714141614635714161227141320128696532
SPT
STJ57101811182224171510162814301078986755
SUA
TAM3465445116158891311973543232
TAN123324953453222123232311
TDC
THL172124232422888044703497828683543331282333202012
THY3243461334232593434321121
TRW
TSU
TUC5485782021734535131323896423
UPS
VAL
VIC8611167714311514111167510131681412366
VSS
WNG
YKC14143545386138326615211788755212113044221513171081315