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 2004-05-18
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
AAE221103119425594571243344152
ABG513614171410661155473111333122
ABK1812865510816252012618135657576174
AIA5311185226774424472624122
AMS6266341014136815453111311213
API111111000000000001112110
AQU3331911561617217559963343262
ARS
ASC11211146121092739645243031
ASP1134101491764321223233124412
BDV34431095615212094611963433272
BEL45536627191615831111535544283
BFE57649594152121133911563545493
BFO
BLC31311843191110927233326285439193855181829351915
BMT123211011110011001101211
BNG000000111001110110000000
BOU46410432456781119751528201059912
BOX97364410182011639118235444283
BRW643612351914710441118349313531231531233332233217
BSL352842254891212151271722208214149
CBB663224321019131321351731203433194444462954484425
CLF55438101141517162611912883353372
CMO222191845762355228814121013228302414118
CNB21167637525523134242232116
CSY
CTA168139471034312222233154127
CZT431611941116924664112112223
DLR43262223245713165615221511671013
DOU455389124162017229811972354382
DRV81623524147171421721109789666864530
EBR001012102233112220110010
ESK7764109124101816181279483473472
EUA
EYR9113346325853424323234667
FCC141052016303024355650201535278134115111411178
FRD331105336513141241191618191139146
FRN662322326533713711102522101256
FUR4442910831620201636111073343272
GCK
GDH5818302117262040487558113585084555132252825213412
GNA15869811946753333323423216
GUA1885101077164211211143194711
GUI3232221175251925155118119632141
GZH012211011110000000000111
HAD55549101141013162013611763252361
HBK2214311185916914144171323132132
HER31145211128111019124101423122132
HLP676486331922151141112732444283
HON769211111212122520114151617174
HRB344210831019161673812756444272
HRN573844383117343641793429252427363529417045634222
HUA311111232239287293412132
HYB
IPM
IQA7034458072331323371267785455943234359393923212318
IRT5514182117116141562274226436111012
IZN
KAK222111111100000001001201
KDU10241312114796321222133134610
KMH
KNY133201111110000001001210
KOU21211123271041123185375119411
LER76738912410201516877342253482
LRM25891312471032264323413238
LVV457488414201413741212625553263
LYC
LZH57142020126315147325531542381517
MAB
MAW
MBO223212637201918471110105232151
MCQ510353333620195855633342465
MEA71547584318121061117109112518137367
MGD
MID
MMB222101111010000001112212
NAQ248146423651314151518181814141475124644
NCK3442983716161673811755343262
NEW
NGK455310773172220122711862444382
NUR77544335211714758111524342102
NVS1077916211697107979534464661012
OTT4421795381020171391816131817971011106
PAF1353465713133710357222233223
PAG
PEG
PHU5815151196115124523322441351515
PPT1138402213223122147151222316
PST
QSB236972142123337877444344163
RES383925222813181925442029201615305164236200118633732
SBA3514101713711927311813211515131612121423171617
SFS
SHU
SIT413139434420376461188116925211156
SJG112211241613824212120621113832
SOD1796643681619158512124635474144
SPT3333471126152020124111184222251
STJ54413533881013101020201812381211742
SUA23448641922147381112427333162
TAM2221210731323114469543633152
TAN212317144918201436168312112122
TDC
THL46374011321332233754301822631234190127614356387834
THY444210941019161683812846354272
TRW21142111333387416121457122
TSU211324151061178151051562222132
TUC662522334244111757142221962812
UPS566464531521179398453434292
VAL65549813551414151275433152461
VIC6944332217175471057617161211126
VSS2211112223137463383644331
WNG565396123182020165812462444392
YKC37238231610121434109942210171212162014221011139