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 2004-04-16
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
AAE5327164918215032281815417873882917717
ABG88517191922121299854613568615131110
ABK2922825224244214151281317163327261340104322613664
AIA177412203010992311115513131377132017720
AMS4527114137616568571711454161455
API759141320151011129444583456713136
AQU32144716388586361133561514710
ARS
ASC441444129641546547486364613
ASP374612663511456251042223734
BDV221333134534595411425491055
BEL734410311966461210916846523684
BFE147441161210109512141410251268741121514
BFO
BLC54461818299417173827193643664961088043551091341511218470
BMT59129510977555743933423233
BNG44254151479101110371610831052514719
BOU61126114101384354810483551098
BOX11413610838998107191125123119146
BRW41211962141293945191135788360283213612838923056433537
BSL8247151361412510841011128546101578
CBB5220249871225528262914103235397218881892061299211782
CLF3224581224368665107387111369
CMO1632625907239633428232693193783718654643302212292515
CNB23386847121055625962221266
CSY
CTA4327154727125574612543171243
CZT622246443435642743366627
DLR10438141771012796468834461014610
DOU643446174464106781073881212611
DRV12560105153848286481156634363342356676464034515550102
EBR63271018194119597713168581725181220
ESK662279134565657131473961010513
EUA
EYR8841081062514175106338434364107
FCC6018938527300306230275196371001164722524216195350352345
FRD412369576755594568695367
FRN78133154108954326747286965
FUR3213341336466964114254101056
GCK
GDH3014141872795180666613127913979185681121668942646634146
GNA4812211252111172129445148643151555
GUA17714142621291361064865144442471410
GUI5215581533511121747455595713
GZH6827121017866568641262426143
HAD6424109153548645817849101613712
HBK23333794106455748554410579
HER3213271647102051368454285310
HLP95237512787512131382175652991110
HON3341111161011810822327633512494
HRB32134312755366739325511955
HRN1006022135102117485215980108131107789688395029752511644092
HUA1044141820411761117265444334241342732121010
HYB
IPM
IQA7531183217647568976769961349689624483662821091771695328
IRT883811571687546351562454427
IZN
KAK6111812161111771166975136353441112
KDU833621111657156595615652151073
KMH
KNY1036131361056117610651474526549
KOU5327116813431141114653891311456
LER2415486327510141342121426165719249538
LRM1072724231771313231112133826973381096
LVV634595159687101211814767722596
LYC
LZH439111274561185863945525452
MAB
MAW
MBO42268618531425116613863106107816
MCQ18191643377710227946914118129613866781466228312626251313
MEA28195206281156214267918251421812321115152013222925
MGD
MID
MMB5811814113510955754123343331211
NAQ10957376820413052675719997665156345059703853311132752148
NCK321323125652676210324410956
NEW10234614223540181051237865676101211
NGK23123311443249841153624833
NUR22626101375131513111015132713652353341522
NVS444798561661636331044268765
OTT1043634183014352468613101169132213121311
PAF71152512438883243126221436151013
PAG
PEG
PHU7176102214218811118108516836210454
PPT5338101511139582144910296116412
PST
QSB42149421451811633784446181369
RES192719254324201517129151542722111617111211751635146
SBA481617263755452544292325173736263538312933594734
SFS
SHU
SIT137418224636245215636146421111241881371271214
SJG632610104113521014361055512535
SOD67206201225211143372714151834571592272324784978
SPT42155111436377939973571415613
STJ1195153028212233231724151314151512262932131427
SUA
TAM4315492059151092312976572013817
TAN
TDC
THL121011404614191715142018327678297469383549202625
THY3213331365535652103254111056
TRW114261295833568371596647746
TSU2111266274411725852238537
TUC85144144778634310534359976
UPS208248149481299716122413651936231322
VAL10525171013884144329205410122619615
VIC147351415201932137810467781076111114
VSS541596473475212105512867367
WNG1253494157776910136251158635111311
YKC3914123837025146213816916761591074966583325183844422233