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 2004-05-04
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
AAE56104929344217891621113324457977
ABG12108717818111410861368766869878
ABK129245450604793048232735264331262141384038136283101
AIA6111115198121656571069336841321126
AMS66411661811124935674247513986
API262420531035343483224554766
AQU3513812912105998105463854811710
ARS
ASC3785723934781163772729852
ASP25131399121410664811521623210106
BDV441481312127471181179357641215612
BEL66171012121512951114997496751722816
BFE862011171214615881381673109862127818
BFO
BLC263956396468488160314474431441646531494873107153126105
BMT5813101814141815777810732855510816
BNG4711612392413336161445145551286
BOU5141318813557448574365895121111
BOX1272313111112132481919131286111015917111616
BRW4628167138978632032815016777456148312471756678624420510186
BSL5121513131361156371361310887781288
CBB89254650346135544027307325100778054929418811322515283
CLF7512915812445879793710641014611
CMO3832133717059300128385551453213694112519231923524681
CNB15149141612179575812322345710916
CSY
CTA5111715104131194648104215244866
CZT5476119184114754344161061723814
DLR614141410123865365526377881178
DOU85151115101456689119102911841120912
DRV315349463024435212131412437712101613233327364791
EBR56128198148108101498411813914714710
ESK1171717238147111112881615615131471736915
EUA
EYR271191311272876745158343661413511
FCC513758120207947115065586248263975221927284947916979
FRD6121811221311135821214813123867813119
FRN411111610111156447310675534615107
FUR541381311137471071069258641214712
GCK
GDH1724292488415921997371466151395981955178751696147
GNA2615161111131966448107319534753
GUA1314172621121578253663115124121413
GUI361089564814191479278167371066
GZH111810685161113634767226343746
HAD951211188114876661114799851121712
HBK468513211512855104107336561668
HER35759462121644144128135361657
HLP661911129148146111691294101011625251017
HON252121631035253483114632754
HRB45158111112105101171267457741315812
HRN27365155181916238637097112526740332059162165222513056
HUA4919135761265516182720620267143512117
HYB
IPM
IQA677163533401078043101118737165395263591219311415721311697
IRT8818121822173319785101373499101611118
IZN
KAK12127117313811365574125132553
KDU101412211051598453885216222883
KMH
KNY1314867312912364685226133766
KOU2811105421035574832366815464
LER9618162178101311109101810617111282042712
LRM4415131241514115548127218445964
LVV46161310814127914111167776861416813
LYC
LZH471291371221126557673285567410
MAB
MAW
MBO3712893416131010109789714349985
MCQ79272913201138322311812451765874991827154020
MEA14225835441598582119620131220101712151511173846
MGD
MID
MMB81388962113144757115337253778
NAQ4867128127173917862453023211725171928494024511903163
NCK341481110109491071166447641112710
NEW9163222191313897512795714814104162026
NGK5517101512157961011111110399841823716
NUR146211215912726716181016851410111014151417
NVS2723131161132116121011655511116913610
OTT10132412271316167831110810741010108181910
PAF1257913726810107598633142092618117
PAG
PEG
PHU131912996181315633868227454736
PPT131512431125332282147758969
PST
QSB582012124927101265161247366511121012
RES4626465729593830315129413330123958722635116461099472
SBA1515505541471178426362529204665273225233012288350
SFS
SHU
SIT142247123713466361491381514414101088181739
SJG2899741835312765186314344
SOD10310392427259173818253122312416182824332923214090
SPT56129136874781184447133451179
STJ1081421777710108126798412158815136
SUA4917910911165171171654637651613913
TAM27138124425161073131210139103461088
TAN4675936111296611310322448967
TDC
THL3820224638373733659843612838105337841413013815055
THY46169121112115111071367558741314912
TRW5101181062124555103343633111275
TSU469512387119449466246561576
TUC31413177126463473751543931178
UPS1052091481162291215916831491181626916
VAL941011177104787451113911984721611
VIC9152619171221148751059471471196151722
VSS4912955211334710558693491074
WNG6519111711168147813814841210952330918
YKC382211556453013516871115475863144168392820164314848385