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
AMS76161286674464251311133322
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE36791874736236942322212425
BFO
BLC58713182451343381591032407160853730323323755049
BMT
BNG
BOU754541211111131735327311
BOX
BRW67896424162218261923816913910254282110162910251015
BSL13571654321213368812273611
CBB64472335391812231813923262830845249595553895331
CLF622213634872455212111213
CMO15375336202419242050544446302820913171216251112
CNB107161248231244862323223545
CSY
CTA
CZT99111357396314221323122337
DLR9451064221211238628165922
DOU
DRV1381522723481411569912641364037664228403540363892607575
EBR
ESK1597854332353443222311225
EUA
EYR
FCC8357138171695872772818184640126422615871020181920
FRD323542112112356113452111
FRN342422121111133696512674
FUR
GCK
GDH31758319472443279534052277946445365533743321713920
GNA
GUA348516313112211211111751
GUI
GZH
HAD17671365655754475321323224
HBK
HER
HLP
HON628614212211111142536422
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK4912653323233331312112377
KDU
KMH
KNY
KOU
LER392621401086713131424223233612
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA4835851002021117971018243291194346656
MGD
MID
MMB
NAQ301864681906950453423181117191511262214179182959173
NCK
NEW81011681421122363251321132
NGK
NUR37111530134612337652313122644
NVS
OTT1151833144224314466456344423
PAF2416241119155475132213121424310
PAG
PEG
PHU
PPT
PST
QSB
RES24221511171410211110716201720527833563251591213
SBA
SFS
SHU
SIT16221314861047741220119946638534
SJG412743222122415413334411
SOD70597690311112443281095431451011212719
SPT
STJ29135140291075878191311710971148779
SUA
TAM
TAN
TDC
THL593119423611302291172936342734272018151517812
THY537537458646833545444354
TRW
TSU
TUC4213111111121241091254341
UPS
VAL
VIC1186373321123443444325432
VSS
WNG
YKC1042361241502235546743153128549525431816162314221518