| Observatory | K-Index | H1 (High) |
H2 (Low) |
Delta H (nT) |
D1 (High) |
D2 (Low) |
Delta D (arc min) |
|---|---|---|---|---|---|---|---|
| Newport, WA | 0 | 18071.9070 | 18068.9560 | 2.9510 | 857.3560 | 856.9450 | 0.4110 |
| Boulder, CO | 0 | 20652.7290 | 20650.8490 | 1.8800 | 473.6040 | 473.4190 | 0.1850 |
| Fredericksburg, VA | 0 | 21733.8080 | 21732.8310 | 0.9770 | -636.4330 | -636.4640 | 0.0310 |
| Stennis Space Center, MS | 0 | 23763.2910 | 23762.6630 | 0.6280 | -109.8590 | -110.0980 | 0.2390 |
| Barrow, AK | 2 | 9242.8360 | 9225.3330 | 17.5030 | 612.1610 | 609.3750 | 2.7860 |
| College (Fairbanks), AK | 1 | 12712.8350 | 12704.5820 | 8.2530 | 903.7860 | 901.6330 | 2.1530 |
| Fresno, CA | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Honolulu, HI | 0 | 26996.9130 | 26996.5860 | 0.3270 | 572.9000 | 572.7310 | 0.1690 |
| San Juan, PR | 0 | 27119.1440 | 27118.2260 | 0.9180 | -814.9040 | -815.0650 | 0.1610 |
| Tucson, AZ | 0 | 23889.2480 | 23886.9950 | 2.2530 | 513.0970 | 512.8850 | 0.2120 |
| Shumagin Islands, AK | 0 | 19718.6510 | 19718.1180 | 0.5330 | 547.2540 | 547.1020 | 0.1520 |
| Guam, Marianas Islands | 0 | 35981.8660 | 35981.6180 | 0.2480 | 27.1040 | 27.0620 | 0.0420 |
| Vieques, PR | No Data | No Data | No Data | No Data | No Data | No Data | No Data |
| Standard Deviation | - | - | - | 4.9864 | - | - | 0.8992 |