| Observatory | K-Index | H1 (High) |
H2 (Low) |
Delta H (nT) |
D1 (High) |
D2 (Low) |
Delta D (arc min) |
|---|---|---|---|---|---|---|---|
| Newport, WA | 0 | 18091.3280 | 18089.2490 | 2.0790 | 859.2840 | 857.9740 | 1.3100 |
| Boulder, CO | 0 | 20683.6590 | 20682.5420 | 1.1170 | 475.7360 | 474.5850 | 1.1510 |
| Fredericksburg, VA | 0 | 21756.9560 | 21753.6000 | 3.3560 | -625.4880 | -625.8910 | 0.4030 |
| Stennis Space Center, MS | 0 | 23802.1320 | 23798.7290 | 3.4030 | -100.6310 | -101.1420 | 0.5110 |
| Barrow, AK | 2 | 9359.1350 | 9341.8550 | 17.2800 | 597.5220 | 586.5940 | 10.9280 |
| College (Fairbanks), AK | 2 | 12848.0270 | 12828.6560 | 19.3710 | 918.3920 | 914.7320 | 3.6600 |
| Fresno, CA | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Honolulu, HI | 0 | 26999.8880 | 26999.1360 | 0.7520 | 572.7990 | 572.7480 | 0.0510 |
| San Juan, PR | 0 | 27126.6910 | 27124.2840 | 2.4070 | -807.8660 | -808.1350 | 0.2690 |
| Tucson, AZ | 0 | 23927.4170 | 23925.9780 | 1.4390 | 512.8180 | 512.2070 | 0.6110 |
| Shumagin Islands, AK | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Guam, Marianas Islands | 0 | 36013.7240 | 36011.9040 | 1.8200 | 27.4350 | 27.2920 | 0.1430 |
| Vieques, PR | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Standard Deviation | - | - | - | 6.5790 | - | - | 3.1703 |