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 1992-10-20
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
AMS20123722494213441033224535327
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE1046411112235221111112223
BFO
BLC46617713619202329439513161928753531373147353034
BMT
BNG
BOU324511112112121222111111
BOX
BRW3243602611271291694310321710171917203629391311
BSL422311111111111222111011
CBB646278802722182417121614141812503649844554674341
CLF2416202646610510202515881042556666
CMO1013198354477134111036557691033
CNB1615241371141164758734335891594
CSY
CTA
CZT421319295981517916298332253479
DLR212210111001111222101001
DOU
DRV13016642534920163964923161816283717332927162757214787
EBR
ESK544911121235421310111121
EUA
EYR
FCC441088813129206969307143823692741182091220161526
FRD723621111102111222111011
FRN113210111011112212211101
FUR
GCK
GDH5527264821491699728212418268812611757
GNA
GUA111110000000000000000010
GUI
GZH
HAD332711121135411310111111
HBK
HER
HLP
HON211100000000000011101101
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK121201100010100000000111
KDU
KMH
KNY
KOU
LER11461122122236521311112222
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA152770521081614136121724231217102014610967
MGD
MID
MMB
NAQ881384354585344845232332231050
NCK
NEW328611112122222213211111
NGK
NUR401662374796111310165935326978512
NVS
OTT652557831578128631815991812108412568
PAF492540469161011874796552441095914
PAG
PEG
PHU
PPT
PST
QSB
RES775174116251719251871124251926814144572830352815
SBA
SFS
SHU
SIT6610611222255431233434311
SJG211110000001100111100010
SOD12449195581111141012159221110585661713141037
SPT
STJ58682801097465918615137136755577
SUA
TAM
TAN
TDC
THL41392028201429341317850454120231315301834171310
THY2511256386811121717986444866668
TRW
TSU
TUC213210111011121222111011
UPS
VAL
VIC1211322964548410141211985161354515
VSS
WNG
YKC777298794724312337212017283620392030312324362420