| Observatory | K-Index | H1 (High) |
H2 (Low) |
Delta H (nT) |
D1 (High) |
D2 (Low) |
Delta D (arc min) |
|---|---|---|---|---|---|---|---|
| Newport, WA | 0 | 18090.6060 | 18087.1250 | 3.4810 | 857.1020 | 856.2760 | 0.8260 |
| Boulder, CO | 0 | 20661.1670 | 20660.2700 | 0.8970 | 475.4750 | 474.9370 | 0.5380 |
| Fredericksburg, VA | 0 | 21718.4430 | 21716.8570 | 1.5860 | -630.1230 | -630.5140 | 0.3910 |
| Stennis Space Center, MS | 0 | 23768.1170 | 23767.5500 | 0.5670 | -103.4810 | -103.6970 | 0.2160 |
| Barrow, AK | 4 | 9230.4700 | 9162.9640 | 67.5060 | 614.1640 | 606.2010 | 7.9630 |
| College (Fairbanks), AK | 3 | 12713.1890 | 12682.8510 | 30.3380 | 901.5540 | 900.0930 | 1.4610 |
| Fresno, CA | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Honolulu, HI | 0 | 26977.5280 | 26976.1060 | 1.4220 | 571.5380 | 571.4060 | 0.1320 |
| San Juan, PR | 0 | 27117.7360 | 27116.8850 | 0.8510 | -810.0870 | -810.2270 | 0.1400 |
| Tucson, AZ | 0 | 23896.9900 | 23895.6690 | 1.3210 | 512.6070 | 512.3980 | 0.2090 |
| Shumagin Islands, AK | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Guam, Marianas Islands | 0 | 35967.2430 | 35966.3060 | 0.9370 | 27.0440 | 26.9750 | 0.0690 |
| Vieques, PR | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Standard Deviation | - | - | - | 20.7666 | - | - | 2.2920 |