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 2004-05-01
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
AAE37960153298456102364542437
ABG51759212412211797462432152126
ABK227721113469212627582511121618111015113436203430141
AIA5126234183230241623510771414733545797
AMS5541141179966811462412914553531
API111010100100110010010000
AQU4121761049715171614999845151035412
ARS
ASC36336376131846826986232214
ASP69156597712510112334123553288
BDV5152510116128181815149118846211525518
BEL5192112118111323171295109765251536419
BFE9184413121014112720141210137569312346928
BFO
BLC1990145836929273159605343353643609736356848546753
BMT024110111111001110111111
BNG011111111101100100000001
BOU3142718121512691110191112102126136134210
BOX9271510106915243857767633949523
BRW3315998126120123797172154992173669606310174333566583138
BSL6914147658810516131124192055543212
CBB3211988334936352730366643415338546640536684706345
CLF71433611611617211516169119510191535720
CMO1156574145171375784147182102172918213419332117221211
CNB51313872141681519236567187455776
CSY
CTA89349119208910133334124343696
CZT37391571487104367103992191258663
DLR2912856557659151215212510314425
DOU91437811612719221615161011749211835722
DRV1913772534318252629443046303615223821302845183724
EBR113111112322221222220111
ESK121356109712725221719151212116102718571128
EUA
EYR13131171113121118251716118711154366744
FCC1321185171123702841105833115213324224515112614153053
FRD492422769118126108192418822734523
FRN251411745265611716101326181734544
FUR6142781141061819171510910747201535618
GCK
GDH3071140114344544531257383789411655597131323223313984
GNA4202697311712711134668177161174710
GUA12142227636224212371235162011
GUI38123756731216201938610121284345
GZH011110111100000010010111
HAD101040997951721171815710759201555720
HBK36981016157657310453625633220
HER457968967611106442535533119
HLP723251010812122419121091212955271547624
HON6115339113872563698410141132
HRB416219117109211715127128855211335417
HRN671201731712211389697929443403365247758169079477530102
HUA12975484528656781353332713
HYB
IPM
IQA32721802419647303916661603258725578119333645413727158
IRT
IZN
KAK123101100111000110111002
KDU444439749467122392332187
KMH
KNY023101100101000010111111
KOU158872758910159151610691686224
LER1811742112413103019141313897593124381328
LRM91621753135612896734114774359
LVV4161799881320161085118766221247417
LYC
LZH2107425459271044136
MAB
MAW
MBO2863657651319111188778773443
MCQ15372027273026316145881141918142725108818101113
MEA7306581375232244850364282314212312181176710
MGD
MID
MMB134101111111001110122102
NAQ381831119213886304235432230193020222861214121448144
NCK415208106108181613127118855191235416
NEW711252519149812121624914101320131444247
NGK7173412117121021201514111210657252035723
NUR112922189111215291610951385533721411626
NVS71435138191010713161475610191211214678
OTT7115940131422151219101092326251666846644
PAF16176934858713121013912511187342010101272
PAG
PEG
PHU69141512343109331533924634117
PPT11311662214773562251315934158
PST
QSB312641043131818855944651123427
RES151731037336332824383658283026317017586316267212995
SBA338638623210151827512437646754551911193835181973
SFS
SHU
SIT5151925343717314429112951916131113281571056
SJG15811526565145418181583853255
SOD196711691272118214216101391711898513620181654
SPT6920374758181416176867911103359
STJ108352612228920111211519142012514557533
SUA613136118613181712438766418824312
TAM3111056512417201486511854762535
TAN1514510191012125474854514422218
TDC
THL2112980824325281841472437761177812258322133343546103
THY415209117109191714138129855201235417
TRW
TSU456695121294637103372442229
TUC3914107663766910177182818934825
UPS72436159111213291611109148544332248823
VAL11843158794181617151749748221545819
VIC4719201810681291421814131017141684434
VSS121077411668151765656710323213
WNG817411112812922201515121210858272035926
YKC12308695163984324701307559263521385312331915172064