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 2004-04-17
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
AAE8481211425126919312718581224133611113
ABG684712141061755812104546117410115
ABK1693639316752181682133292235401120275779109101142134
AIA810111029211542474714177984855610
AMS4668163232576596462667685
API31315165262235438533629310134
AQU134442724891510612552593611115
ARS
ASC53321074126101043358131634794
ASP1085111871225656101782576741512
BDV1455449375711757744711481397
BEL1367651056571214669661116781577
BFE169777125711111317138148914197112187
BFO
BLC374036185084425617385258299962885562704260472112639
BMT565413231341398746982613466108
BNG932351061716781111138734143510114
BOU65852629727485941467867133138
BOX89710121239915242211111110810191397105
BRW5056122117697789444980442138366119239130145243116142495030
BSL679526111244274166615117117144105
CBB4247371442642293223373366407895799188982092812996
CLF17554310436599475467134912126
CMO62751036390824125483354391031721271354628312433223320
CNB94761559335756211894410611353
CSY
CTA476172065224656141572475510167
CZT13545479131069945445411551986
DLR657423161035385108512125114124104
DOU17775411566511105865781351013137
DRV8816213094588417917131510127336212336413161219453
EBR154551218913149818612811891314811135
ESK21998101863119141199161213172161413139
EUA
EYR109158148123968551815115610713473
FCC33515325435334010477948962393944322322281548642212252
FRD581082781152384149513137910165116
FRN66642221428376651144547113115
FUR155543104567127586457114813106
GCK
GDH50100312018243122175741322352525755117483494313751
GNA3476862125546712827755282
GUA128101510343545447931473512119
GUI1145366356117355694710258123
GZH813946433117544475151044498
HAD19675514527686449610111651111117
HBK11643911775754796243123712115
HER10542710226987474232101410104
HLP1395671047891517771198141671020117
HON3679546233553854349298155
HRB14655484641110768654811471396
HRN6057467244944646433310579584371215048424169303214
HUA375424511536372133272716417110208125
HYB
IPM
IQA4290423925827714319404179433743395811619315911879365788
IRT7810156153065710876610471467373
IZN
KAK4610636478365458613845358
KDU9851521622145457125257546155
KMH
KNY2575494511556449714946448
KOU3443165721712141688115101776384
LER148682123961210138614191112161471413810
LRM654610436666578148269642116
LVV13667687547111178884813571386
LYC
LZH34466211821099645762612453115
MAB
MAW
MBO85338653152220611181384514356104
MCQ24244838533327132219161438109117112552413111610128
MEA203631145135201015121282313131271623914103819
MGD
MID
MMB48168554384765512112411663614
NAQ4588489223720512619182319221418293946663939614244121
NCK13554374541111767544710471296
NEW13131510383212512598146108815176952411
NGK16766511476611124687610156101777
NUR9951012153131312212113141588121812914115
NVS659211101611771398776641277682
OTT8111111493165561081411114192213142481510
PAF666914109747109610661161615101379
PAG
PEG
PHU81413564261067554761511553128
PPT86447631324328358115114279
PST
QSB12757474714207511197465145611136
RES435349404054261432273837553829425413587551535913253
SBA33746127535249933232124144726304450482428167235
SFS
SHU
SIT1732291041242261710107167106616217892110
SJG2442153921239910422615912373
SOD1022422214935101610203229202926111220355880507063
SPT155543722665168106436115710134
STJ5977141382388141211591521109208115
SUA
TAM1154355114201948911131345112510124
TAN
TDC
THL28323339435132925384949415435553861692892246142
THY146554846313127896548114714106
TRW46862381241445681041241143489
TSU11543813465656696154123611115
TUC55642020627386621159564112115
UPS98481013491214151611131579121591121146
VAL18564611625599431081011154109135
VIC1313131029281541358812710581412654209
VSS45631868446511151681511182323597
WNG17876715581110111587128813197111988
YKC548663762382001112817186425781122857252223311192411234