| Observatory | K-Index | H1 (High) |
H2 (Low) |
Delta H (nT) |
D1 (High) |
D2 (Low) |
Delta D (arc min) |
|---|---|---|---|---|---|---|---|
| Newport, WA | 0 | 18101.7170 | 18099.9290 | 1.7880 | 852.6150 | 852.3910 | 0.2240 |
| Boulder, CO | 0 | 20689.6840 | 20688.3480 | 1.3360 | 470.5330 | 470.3770 | 0.1560 |
| Fredericksburg, VA | 0 | 21750.6540 | 21748.9250 | 1.7290 | -631.2720 | -631.3580 | 0.0860 |
| Stennis Space Center, MS | 0 | 23791.2260 | 23789.6040 | 1.6220 | -105.5540 | -105.6810 | 0.1270 |
| Barrow, AK | 4 | 9302.3600 | 9244.1760 | 58.1840 | 605.8320 | 599.8630 | 5.9690 |
| College (Fairbanks), AK | 2 | 12719.4800 | 12709.0370 | 10.4430 | 898.5050 | 897.4990 | 1.0060 |
| Fresno, CA | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Honolulu, HI | 0 | 26999.0820 | 26998.3600 | 0.7220 | 569.0660 | 568.9770 | 0.0890 |
| San Juan, PR | 0 | 27115.0450 | 27113.9780 | 1.0670 | -810.1090 | -810.1640 | 0.0550 |
| Tucson, AZ | 0 | 23922.9860 | 23922.0800 | 0.9060 | 508.4490 | 508.1980 | 0.2510 |
| Shumagin Islands, AK | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Guam, Marianas Islands | 0 | 36034.7070 | 36033.5430 | 1.1640 | 28.4870 | 28.4630 | 0.0240 |
| Vieques, PR | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Standard Deviation | - | - | - | 16.9864 | - | - | 1.7445 |