为99.87，8月急剧下降。

Space Weather Prediction Center # Please send comments and suggestions to SWPC.Webmaster@noaa.gov # # Last 30 Days Daily Solar Data # # Sunspot Stanford GOES15 # Radio SESC Area Solar X-Ray ------ Flares ------ # Flux Sunspot 10E-6 New Mean Bkgd X-Ray Optical # Date 10.7cm Number Hemis. Regions Field Flux C M X S 1 2 3 #--------------------------------------------------------------------------- 2023 12 01 162 140 640 1 -999 * 7 2 0 2 0 0 0 2023 12 02 148 92 580 0 -999 * 9 0 0 3 0 0 0 2023 12 03 139 107 550 2 -999 * 4 0 0 0 0 0 0 2023 12 04 138 113 660 1 -999 * 9 0 0 5 0 0 0 2023 12 05 142 133 800 1 -999 * 22 3 0 5 4 1 0 2023 12 06 130 125 780 1 -999 * 13 2 0 13 1 1 0 2023 12 07 135 121 710 0 -999 * 10 0 0 4 0 0 0 2023 12 08 133 125 690 2 -999 * 14 1 0 6 1 0 0 2023 12 09 128 125 600 0 -999 * 17 2 0 10 0 0 0 2023 12 10 127 120 550 0 -999 * 15 2 0 2 0 0 0 2023 12 11 126 87 360 1 -999 * 17 0 0 3 0 0 0 2023 12 12 126 80 240 1 -999 * 8 0 0 4 0 0 0 2023 12 13 135 114 580 2 -999 * 4 0 0 4 0 0 0