| Observatory | K-Index | H1 (High) |
H2 (Low) |
Delta H (nT) |
D1 (High) |
D2 (Low) |
Delta D (arc min) |
|---|---|---|---|---|---|---|---|
| Newport, WA | 0 | 18137.1870 | 18136.3840 | 0.8030 | 859.3060 | 858.7780 | 0.5280 |
| Boulder, CO | 0 | 20716.6570 | 20714.9410 | 1.7160 | 475.9570 | 475.6560 | 0.3010 |
| Fredericksburg, VA | 0 | 21764.5040 | 21761.6940 | 2.8100 | -625.7970 | -626.2870 | 0.4900 |
| Stennis Space Center, MS | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Barrow, AK | 1 | 9311.8990 | 9306.6130 | 5.2860 | 600.5320 | 596.2340 | 4.2980 |
| College (Fairbanks), AK | 3 | 12788.1300 | 12765.9440 | 22.1860 | 906.4600 | 904.7020 | 1.7580 |
| Fresno, CA | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Honolulu, HI | 0 | 27040.5180 | 27040.1380 | 0.3800 | 573.2920 | 573.2610 | 0.0310 |
| San Juan, PR | 0 | 27141.5820 | 27141.0640 | 0.5180 | -801.6550 | -802.0260 | 0.3710 |
| Tucson, AZ | 0 | 23974.1780 | 23972.2220 | 1.9560 | 513.9420 | 513.8040 | 0.1380 |
| Shumagin Islands, AK | 0 | 19767.6670 | 19766.4190 | 1.2480 | 553.3750 | 553.2820 | 0.0930 |
| Guam, Marianas Islands | 0 | 36000.8520 | 36000.5990 | 0.2530 | 26.2500 | 26.2200 | 0.0300 |
| Vieques, PR | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Standard Deviation | - | - | - | 6.3202 | - | - | 1.2601 |