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
AMS1242215101115820292119331824331514222632332811
API
AQU
ARS
ASC
ASP
BDV
BEL41031181497126813126121015118251636284
BFE8278282536118191412172111242828221569281114924
BFO
BLC358755433214111011717947012276377421245288365186133135280523747
BMT
BNG1132335645374555354521082
BOU541320101481836376261621810124149151464
BOX
BRW646510533402114512813720810134620520827713220447148258272339322136
BSL54781371541225419231719196517143420284
CBB2352141615427982774601526223932610317919814418947127313822
CLF46334532442471281043843873
CMO3357485517513612725542880132157942639740132013811314530120311613751
CNB53101495810822172731123118318725716810
CSY
CTA
CZT815161438248141915811171024181914283631661716
DLR6361111695928510121512147715171616295
DOU
DRV61213146114213155413187237162160383302209277311290114113418431174153192
EBR
ESK71631020149613931012813174728291742157
EUA
EYR
FCC1131991293621802421629749160422121646036525415029415920929233711592116
FRD462111157131968686691465992064
FRN854310462327610845854161017121411
FUR
GCK
GDH20611620871402291537799841793572193782193101971174834572748575122
GNA
GUA94844778311413544333334935
GUI
GZH
HAD91039111466910714738151312131915232612
HBK
HER
HLP
HON2474475491587910357610552476
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK48849651018307312021101612106111729295
KDU
KMH
KNY
KOU
LER35522141523136232317112542403017391867140251225918
LRM
LVV
LYC
LZH
MAB
MAW
MBO461776851782125362322231410420619226
MCQ
MEA1725105185222142121957801218214543125185194148131665517910412211555
MGD
MID
MMB35344355413718128597468617214
NAQ258315107279247329200227353227244288260251114162176165319745159654750119
NCK361852427543121089535841163
NEW5519407081366657136371385250242725910822182513
NGK
NUR12461534152316101917655202754485835571548116013236
NVS
OTT151394444465910112713222524332231827131982462345517
PAF926192845271413291434825247827633408566661618067
PAG
PEG
PHU
PPT353285451514513145717181313119894
PST
QSB
RES232110111428212627884816779744559848516949365335
SBA
SFS
SHU
SIT12181654110145183863132221403721852751678711331847266899731
SJG32138342582961211871046159134
SOD18938542611822056454377532133754825920416184158257204503527340
SPT
STJ45351324447973804866349969293661583852567216313924
SUA
TAM3111322337853371222622442
TAN
TDC
THL37231320252925272428326077858250683941114561004340
THY2415433373448597437831053
TRW
TSU
TUC4354622341134344325123103108
UPS
VAL
VIC88112138364748351023510029492728291325192222445
VSS
WNG
YKC4316013574482072452245761200138308292186240211398167185255189188190108