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
AMS1612202812827463323504441106705622665375725611721
API
AQU
ARS
ASC
ASP
BDV
BEL
BFE18145564252518621357384143862022532755631915949661055657
BFO
BLC97105104389832261517956678896230130265188224997786673568639278172151
BMT
BNG
BOU28293979401826541157158125497686862862112248124724447
BOX
BRW196158283461101302298148670151038611177442721464065396363981109972412921278
BSL181847833926226679412573205844481071042946125822521
CBB13974104128133119104545417931081151481651621757111407739379529202102142
CLF2282829171215218874393726263457217165393372713228
CMO651834887681682023177828132913561225113375955513828271205315280512275260156
CNB17252579481414525559361171192798683943422347616915
CSY
CTA
CZT153312139710395238547037837517139196483527775226
DLR19173878392523689048306017534868101991741106894624
DOU
DRV651181241028863462221358361240114718091177151201837320617038
EBR
ESK442050613216195116410989121882362833354293437358922458954
EUA
EYR
FCC138883414711183874059737501017482551068107617531375966373314597259300184
FRD222762873924226711043341465472655113515075551486410841
FRN15142742342019458251483124326272176133412567746929
FUR
GCK
GDH33290127115861231055986279514494206327137173500341236963141626274
GNA
GUA148371082618241966572582662944285243121853302320
GUI
GZH
HAD289353920161232112865358336466852642434440771003332
HBK
HER
HLP
HON15101551158172550321967353434153753191250692618
HRB
HRN
HUA
HYB
IPM
IQA
IRT
IZN
KAK12103743279353042462970473138377449121626221411
KDU
KMH
KNY
KOU
LER4853621554134168114798902172394604097485991737317574642272150
LRM
LVV
LYC
LZH
MAB
MAW
MBO
MCQ
MEA961623182886814729687910407614749885468727847991268517137169298372291259
MGD
MID
MMB
NAQ12718197382108313190763621294619197394379519334115361614222511635221689
NCK
NEW476785975426251351653931197292282813771295203407876133907996
NGK
NUR29174574223013631106911343930543721871786420194195186305101186
NVS
OTT393880723824121662736091302952761671062954322697112933332140591
PAF21322437201728806262713361713864176421282605233212625289362232
PAG
PEG
PHU
PPT22181233217162960332545162322273342261469802011
PST
QSB
RES
SBA
SFS
SHU
SIT461152123508710241671719534228769557569623537128067610592149109134116
SJG14532451920104454211161122731224926221761712727
SOD2619724427713988551512713232215053644344753361361954287150275566672188
SPT
STJ16179012322262082991049612286577332135533782982132185125
SUA
TAM
TAN
TDC
THL1129318410678767815520270142144106147140154397440292123382139200126
THY19123130161122237968424245383346121145482981606123
TRW
TSU
TUC221627613824236010059353621406180169130253592826328
UPS
VAL
VIC355872824929247511216193505296231310101407301746295676446
VSS
WNG
YKC