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 1991-07-13
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
AAE
ABG
ABK
AIA
AMS4157137111824421630602786574624082464237595119
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE271937531812940752461154962552443735541156771561686161
BFO
BLC871051794431083141964594579313389493762374891399759206202368586056
BMT
BNG
BOU13182145138124953875311239414739124112311751712332
BOX
BRW1395616623716276173619455156147428239174148298233155338366230224326213
BSL142052883815165572272972314628398477302698552215
CBB1116492139783951745014288138585313170197413738574537362728433
CLF12414131485145236263132465928126101321728312512
CMO3895842346714117226227042931883011143804298434996361046610314313573
CNB859202095231516184823142716504213914183211
CSY
CTA
CZT9610118551331922383161937911154301334671413
DLR141742733518196073352349184836627583222592483817
DOU
DRV791773132961368112023110514212724325084101170253141149936416817973
EBR
ESK2613213133682854263762111204200411234952033171464637
EUA
EYR
FCC13711717242480245272715555230371526171435507615116045245935765320789141
FRD79103221652941594068181530411275616288110211053
FRN61320311611122945413036252232528687221843426022
FUR
GCK
GDH76158911091211152047696484314915319113331013118122528799841706657
GNA
GUA148341022517241864562578642842264741111750282218
GUI
GZH
HAD176272417169236743373851898655214153252431623820
HBK
HER
HLP
HON1371138147122242301749232426155152221742572720
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK151140473212373034323271483845438457131724301810
KDU
KMH
KNY
KOU
LER774543997424166034622414316720426936020716545651333088397
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA39942261814720324548510576054334215051088113211557652929812010219028683
MGD
MID
MMB
NAQ215174132141743243337398812094093642722613135677431149154191116645366141
NCK
NEW204250902117261632383841654071751773852012801154228551417391
NGK
NUR5223415846151038668171301248272155586899339106143176417124202
NVS
OTT1816261196236139194224514129194188127150331336118888421516320636
PAF18102510159636203715133521231682292551604837399213274118
PAG
PEG
PHU
PPT21171129228153365203049142621243540271767791315
PST
QSB
RES
SBA
SFS
SHU
SIT307214730169835471240287413533693410655291016102148181658016611497
SJG116264219188404819115492317194128201855612621
SOD19022035433211360414823427118369024231029241812476251149743537432676
SPT
STJ262721632626644814392161125134120187164397444358731002103235846
SUA
TAM
TAN
TDC
THL573741569467649489384145404459932021674984157644837
THY859119513123027184038314219617419112914349
TRW
TSU
TUC121118342014133156362021112028679981161758394221
UPS
VAL
VIC21496778301519126159310161504240163317133346169424051887054
VSS
WNG
YKC