Peotone Weather
Peotone-Weather Station Historical Data
Daily Summary for September 21, 2022 Units:  Metric    English   Both
Daily Weekly Monthly Yearly
  High: Low: Average:
Temperature: 31.8 °C 19.7 °C 25 °C
Dew Point: 22.4 °C 17.8 °C 19.9 °C
Humidity: 90% 53.6% 74%
Wind Speed: 18.2km/h 0km/h 6.6km/h
Wind Gust: 29.6km/h - -
Wind- - SW
Pressure: 1010.4 hPa 1009 hPa -
Precipitation: 0 mm    
 
 
Tabular Data for September 21, 2022
Time Temperature Dew Point Pressure Wind Wind Speed Wind Gust Humidity Rainfall Rate (Hourly) solar
00:04 24.2 °C 19.7 °C 1010.4 hPa SW 0.8 km/h 11.1 km/h 76% 0 mm 0 W/m2
00:09 24.2 °C 19.8 °C 1010.4 hPa SW 6.3 km/h 13 km/h 76.7% 0 mm 0 W/m2
00:14 24.1 °C 19.8 °C 1010.4 hPa SW 8.7 km/h 14.8 km/h 77% 0 mm 0 W/m2
00:19 24.1 °C 19.8 °C 1010.4 hPa SW 5.5 km/h 16.6 km/h 77% 0 mm 0 W/m2
00:24 24.1 °C 19.8 °C 1010.4 hPa SW 7.9 km/h 16.6 km/h 77% 0 mm 0 W/m2
00:29 24.1 °C 19.8 °C 1010.4 hPa SW 8.5 km/h 18.5 km/h 77% 0 mm 0 W/m2
00:34 24.1 °C 19.8 °C 1010.4 hPa SW 10.1 km/h 18.5 km/h 77% 0 mm 0 W/m2
00:39 24.1 °C 19.8 °C 1010.4 hPa SW 9.3 km/h 18.5 km/h 77% 0 mm 0 W/m2
00:44 24 °C 19.7 °C 1010.4 hPa SW 5.5 km/h 14.8 km/h 77% 0 mm 0 W/m2
00:49 24.1 °C 19.8 °C 1010.4 hPa SW 9.3 km/h 13 km/h 77% 0 mm 0 W/m2
00:54 24 °C 19.7 °C 1010.4 hPa SW 8.2 km/h 13 km/h 77.1% 0 mm 0 W/m2
00:59 23.9 °C 19.9 °C 1010.4 hPa SW 10.5 km/h 18.5 km/h 78% 0 mm 0 W/m2
01:04 23.8 °C 19.8 °C 1010.4 hPa SW 9.8 km/h 18.5 km/h 78% 0 mm 0 W/m2
01:09 23.8 °C 19.7 °C 1010.4 hPa SW 10 km/h 14.8 km/h 78% 0 mm 0 W/m2
01:14 23.7 °C 19.8 °C 1010.4 hPa SW 10.8 km/h 14.8 km/h 78.7% 0 mm 0 W/m2
01:19 23.6 °C 19.8 °C 1010 hPa SW 9.5 km/h 14.8 km/h 79% 0 mm 0 W/m2
01:24 23.6 °C 19.8 °C 1010 hPa SW 9 km/h 14.8 km/h 79% 0 mm 0 W/m2
01:29 23.7 °C 19.8 °C 1010 hPa SW 9 km/h 16.6 km/h 79% 0 mm 0 W/m2
01:34 23.6 °C 19.8 °C 1010 hPa SW 9.3 km/h 16.6 km/h 79% 0 mm 0 W/m2
01:39 23.7 °C 19.8 °C 1010 hPa SW 10 km/h 16.6 km/h 79% 0 mm 0 W/m2
01:44 23.6 °C 19.8 °C 1010 hPa SW 11.4 km/h 16.6 km/h 79% 0 mm 0 W/m2
01:49 23.6 °C 19.8 °C 1010 hPa SW 11.7 km/h 18.5 km/h 79% 0 mm 0 W/m2
01:54 23.7 °C 19.8 °C 1010 hPa SW 11.7 km/h 22.2 km/h 79% 0 mm 0 W/m2
01:59 23.7 °C 19.7 °C 1010 hPa SW 10.3 km/h 22.2 km/h 78.2% 0 mm 0 W/m2
02:04 23.8 °C 19.7 °C 1010 hPa SW 10.8 km/h 18.5 km/h 78% 0 mm 0 W/m2
02:09 23.9 °C 19.7 °C 1009.7 hPa SW 10.1 km/h 18.5 km/h 77.7% 0 mm 0 W/m2
02:14 23.9 °C 19.6 °C 1009.7 hPa SW 11.3 km/h 18.5 km/h 77% 0 mm 0 W/m2
02:19 23.9 °C 19.6 °C 1009.7 hPa SW 10.6 km/h 18.5 km/h 77% 0 mm 0 W/m2
02:24 23.9 °C 19.6 °C 1009.7 hPa SW 11.3 km/h 20.3 km/h 77% 0 mm 0 W/m2
02:29 23.9 °C 19.6 °C 1009.7 hPa SW 10.3 km/h 20.3 km/h 77% 0 mm 0 W/m2
02:34 23.9 °C 19.6 °C 1009.7 hPa SW 8.5 km/h 16.6 km/h 76.8% 0 mm 0 W/m2
02:39 23.8 °C 19.5 °C 1009.7 hPa SW 9 km/h 16.6 km/h 77% 0 mm 0 W/m2
02:44 23.8 °C 19.4 °C 1009.7 hPa SW 9 km/h 18.5 km/h 76.8% 0 mm 0 W/m2
02:49 23.8 °C 19.3 °C 1009.4 hPa SW 7.7 km/h 18.5 km/h 76% 0 mm 0 W/m2
02:54 23.8 °C 19.3 °C 1009.4 hPa SW 6.6 km/h 16.6 km/h 75.9% 0 mm 0 W/m2
02:59 23.8 °C 19.2 °C 1009.4 hPa SW 9.2 km/h 14.8 km/h 75.7% 0 mm 0 W/m2
03:04 23.8 °C 19.3 °C 1009.4 hPa SSW 9.3 km/h 14.8 km/h 76% 0 mm 0 W/m2
03:09 23.7 °C 19.2 °C 1009.4 hPa SW 8 km/h 13 km/h 75.8% 0 mm 0 W/m2
03:14 23.6 °C 19.2 °C 1009.4 hPa SW 6.9 km/h 13 km/h 76% 0 mm 0 W/m2
03:19 23.6 °C 19.1 °C 1009.4 hPa SW 3.9 km/h 13 km/h 76% 0 mm 0 W/m2
03:24 23.5 °C 19 °C 1009.4 hPa SW 5.6 km/h 14.8 km/h 76% 0 mm 0 W/m2
03:29 23.4 °C 19 °C 1009.4 hPa SW 5.6 km/h 14.8 km/h 76% 0 mm 0 W/m2
03:34 23.4 °C 18.9 °C 1009.4 hPa SSW 2.7 km/h 14.8 km/h 76% 0 mm 0 W/m2
03:39 23.3 °C 18.9 °C 1009.4 hPa SW 6.4 km/h 13 km/h 76% 0 mm 0 W/m2
03:44 23.2 °C 18.8 °C 1009.4 hPa SSW 4.5 km/h 16.6 km/h 76% 0 mm 0 W/m2
03:49 23.1 °C 18.8 °C 1009 hPa Calm   16.6 km/h 76.9% 0 mm 0 W/m2
03:54 23 °C 18.8 °C 1009 hPa Calm   9.3 km/h 77% 0 mm 0 W/m2
03:59 22.8 °C 18.6 °C 1009 hPa Calm   7.4 km/h 77.3% 0 mm 0 W/m2
04:04 22.5 °C 18.5 °C 1009 hPa Calm     78.2% 0 mm 0 W/m2
04:09 22.2 °C 18.4 °C 1009 hPa Calm     79.3% 0 mm 0 W/m2
04:14 21.9 °C 18.4 °C 1009 hPa Calm     80.2% 0 mm 0 W/m2
04:19 21.7 °C 18.3 °C 1009 hPa SSW 0.3 km/h 7.4 km/h 81.2% 0 mm 0 W/m2
04:24 21.5 °C 18.3 °C 1009 hPa Calm   7.4 km/h 82% 0 mm 0 W/m2
04:29 21.3 °C 18.3 °C 1009 hPa SSW 0.3 km/h 7.4 km/h 83% 0 mm 0 W/m2
04:34 21.1 °C 18.2 °C 1009 hPa Calm   7.4 km/h 83.3% 0 mm 0 W/m2
04:39 20.8 °C 18.1 °C 1009 hPa Calm   5.5 km/h 84.1% 0 mm 0 W/m2
04:44 20.6 °C 18 °C 1009 hPa Calm     85% 0 mm 0 W/m2
04:49 20.4 °C 17.9 °C 1009 hPa Calm     85.8% 0 mm 0 W/m2
04:54 20.2 °C 17.9 °C 1009 hPa Calm     86.5% 0 mm 0 W/m2
04:59 20.1 °C 17.9 °C 1009 hPa Calm     87.3% 0 mm 0 W/m2
05:04 19.9 °C 17.9 °C 1009 hPa Calm     88% 0 mm 0 W/m2
05:09 19.8 °C 17.8 °C 1009 hPa Calm     88.1% 0 mm 0 W/m2
05:14 19.7 °C 17.9 °C 1009 hPa Calm     89% 0 mm 0 W/m2
05:19 19.7 °C 17.8 °C 1009 hPa Calm     89% 0 mm 0 W/m2
05:24 19.7 °C 18 °C 1009 hPa SSW 0.2 km/h 3.7 km/h 89.9% 0 mm 0 W/m2
05:29 19.8 °C 18.1 °C 1009 hPa Calm   3.7 km/h 90% 0 mm 0 W/m2
05:34 19.8 °C 18.2 °C 1009 hPa Calm   3.7 km/h 90% 0 mm 0 W/m2
05:39 19.9 °C 18.2 °C 1009 hPa Calm     90% 0 mm 0 W/m2
05:44 20 °C 18.3 °C 1009.4 hPa Calm     90% 0 mm 0 W/m2
05:49 20.1 °C 18.4 °C 1009.4 hPa Calm     89.8% 0 mm 0 W/m2
05:54 20.1 °C 18.3 °C 1009.4 hPa Calm     89.1% 0 mm 0 W/m2
05:59 20.2 °C 18.3 °C 1009.4 hPa Calm     89% 0 mm 0 W/m2
06:04 20.2 °C 18.3 °C 1009.7 hPa SSW 0.3 km/h 5.5 km/h 89% 0 mm 0 W/m2
06:09 20.3 °C 18.4 °C 1009.7 hPa SSW 0.3 km/h 5.5 km/h 89% 0 mm 0 W/m2
06:14 20.4 °C 18.4 °C 1009.7 hPa Calm   5.5 km/h 88.8% 0 mm 0 W/m2
06:19 20.5 °C 18.5 °C 1009.7 hPa SSW 0.3 km/h 9.3 km/h 88.2% 0 mm 0 W/m2
06:24 20.7 °C 18.6 °C 1009.4 hPa SSW 3.1 km/h 11.1 km/h 87.4% 0 mm 0 W/m2
06:29 20.9 °C 18.6 °C 1009.4 hPa SSW 1 km/h 11.1 km/h 86.2% 0 mm 0 W/m2
06:34 21.3 °C 18.6 °C 1009.4 hPa SW 1.9 km/h 11.1 km/h 84.6% 0 mm 0 W/m2
06:39 21.6 °C 18.7 °C 1009.7 hPa SW 7.2 km/h 18.5 km/h 83.5% 0 mm 0 W/m2
06:44 21.8 °C 18.7 °C 1009.7 hPa SSW 11.6 km/h 20.3 km/h 82.4% 0 mm 0 W/m2
06:49 22.1 °C 18.8 °C 1009.4 hPa SW 10.6 km/h 20.3 km/h 81.4% 0 mm 0 W/m2
06:54 22.5 °C 18.7 °C 1009.4 hPa WSW 16.1 km/h 27.7 km/h 78.9% 0 mm 5 W/m2
06:59 23.5 °C 18.2 °C 1009.4 hPa WSW 12.7 km/h 27.7 km/h 72% 0 mm 12 W/m2
07:04 24.6 °C 18.1 °C 1009.7 hPa West 10 km/h 27.7 km/h 67.1% 0 mm 19 W/m2
07:09 25.2 °C 18.2 °C 1010 hPa WSW 14.2 km/h 24 km/h 65% 0 mm 25 W/m2
07:14 25.4 °C 18.4 °C 1009.7 hPa SW 13.4 km/h 24 km/h 65.2% 0 mm 25 W/m2
07:19 25.4 °C 18.5 °C 1009.7 hPa WSW 13.5 km/h 20.3 km/h 65.7% 0 mm 23 W/m2
07:24 25.4 °C 18.4 °C 1010 hPa WSW 13 km/h 22.2 km/h 65.4% 0 mm 32 W/m2
07:29 25.2 °C 18.6 °C 1010 hPa SW 12.2 km/h 22.2 km/h 66.8% 0 mm 40 W/m2
07:34 24.8 °C 18.7 °C 1010 hPa SW 10.3 km/h 20.3 km/h 68.6% 0 mm 47 W/m2
07:39 24.4 °C 18.7 °C 1009.7 hPa SW 5.1 km/h 20.3 km/h 70.4% 0 mm 56 W/m2
07:44 24.2 °C 18.8 °C 1009.7 hPa SW 2.6 km/h 14.8 km/h 71.8% 0 mm 60 W/m2
07:49 24 °C 18.8 °C 1009.7 hPa WSW 0.8 km/h 13 km/h 72.5% 0 mm 60 W/m2
07:54 23.9 °C 18.8 °C 1009.7 hPa WSW 3.1 km/h 11.1 km/h 73% 0 mm 51 W/m2
07:59 23.7 °C 18.9 °C 1010 hPa WSW 0.5 km/h 11.1 km/h 74.4% 0 mm 58 W/m2
08:04 23.6 °C 19 °C 1010 hPa WSW 1.1 km/h 9.3 km/h 75.8% 0 mm 56 W/m2
08:09 23.4 °C 19 °C 1009.7 hPa WSW 1.9 km/h 11.1 km/h 76% 0 mm 58 W/m2
08:14 23.4 °C 19.1 °C 1009.7 hPa WSW 7.2 km/h 11.1 km/h 76.2% 0 mm 58 W/m2
08:19 23.6 °C 19.2 °C 1009.7 hPa SW 11.6 km/h 20.3 km/h 76.7% 0 mm 62 W/m2
08:24 23.7 °C 19.2 °C 1010 hPa SW 14 km/h 22.2 km/h 76% 0 mm 70 W/m2
08:29 23.8 °C 19.3 °C 1009.7 hPa SW 13.7 km/h 27.7 km/h 76% 0 mm 141 W/m2
08:34 24 °C 19.3 °C 1010 hPa WSW 15.3 km/h 27.7 km/h 75.4% 0 mm 174 W/m2
08:39 24.2 °C 19.4 °C 1010.4 hPa WSW 13.8 km/h 27.7 km/h 74.9% 0 mm 221 W/m2
08:44 24.4 °C 19.4 °C 1010 hPa WSW 16.3 km/h 25.9 km/h 74.1% 0 mm 274 W/m2
08:49 24.7 °C 19.6 °C 1010.4 hPa WSW 12.1 km/h 29.6 km/h 73.2% 0 mm 229 W/m2
08:54 24.9 °C 19.8 °C 1010.4 hPa WSW 12.9 km/h 29.6 km/h 73% 0 mm 330 W/m2
08:59 25.1 °C 19.6 °C 1010.4 hPa WSW 10 km/h 25.9 km/h 71.7% 0 mm 244 W/m2
09:04 25.2 °C 19.6 °C 1010.4 hPa WSW 13.2 km/h 25.9 km/h 71% 0 mm 302 W/m2
09:09 25.2 °C 19.7 °C 1010.4 hPa West 11.7 km/h 22.2 km/h 71.8% 0 mm 221 W/m2
09:14 25.1 °C 19.4 °C 1010.4 hPa WSW 11.3 km/h 22.2 km/h 71% 0 mm 116 W/m2
09:19 25 °C 19.6 °C 1010 hPa WSW 7.2 km/h 22.2 km/h 71.9% 0 mm 123 W/m2
09:24 24.9 °C 19.6 °C 1010 hPa WSW 6 km/h 14.8 km/h 72% 0 mm 123 W/m2
09:29 24.9 °C 19.6 °C 1010 hPa West 3.7 km/h 14.8 km/h 72% 0 mm 153 W/m2
09:34 24.9 °C 19.7 °C 1010.4 hPa West 2.9 km/h 14.8 km/h 72.6% 0 mm 183 W/m2
09:39 25.1 °C 20.1 °C 1010.4 hPa NNW 1.3 km/h 14.8 km/h 74% 0 mm 473 W/m2
09:44 25.2 °C 20.1 °C 1010.4 hPa WNW 7.4 km/h 14.8 km/h 73.4% 0 mm 348 W/m2
09:49 25.3 °C 20 °C 1010.4 hPa WNW 4.7 km/h 14.8 km/h 72.4% 0 mm 323 W/m2
09:54 25.6 °C 20.1 °C 1010.4 hPa WNW 9.2 km/h 16.6 km/h 71.9% 0 mm 540 W/m2
12:24 31.2 °C 21.3 °C 1010.4 hPa NW 8.7 km/h 29.6 km/h 56% 0 mm 724 W/m2
12:29 31.2 °C 21.4 °C 1010.4 hPa NW 15.9 km/h 29.6 km/h 55.9% 0 mm 729 W/m2
12:34 31.2 °C 21.1 °C 1010.4 hPa NW 11.1 km/h 27.7 km/h 55.2% 0 mm 738 W/m2
12:39 31.2 °C 21.5 °C 1010.4 hPa NW 14.3 km/h 25.9 km/h 56.3% 0 mm 744 W/m2
12:44 31.2 °C 21.3 °C 1010.4 hPa NW 8.4 km/h 27.7 km/h 55.8% 0 mm 881 W/m2
12:49 31.1 °C 21.3 °C 1010.4 hPa NW 18.2 km/h 27.7 km/h 56.3% 0 mm 881 W/m2
12:54 30.8 °C 21.4 °C 1010.4 hPa NW 15 km/h 27.7 km/h 57.4% 0 mm 761 W/m2
12:59 31.1 °C 21.1 °C 1010.4 hPa West 12.6 km/h 29.6 km/h 55.4% 0 mm 740 W/m2
13:04 31.1 °C 21 °C 1010.4 hPa WNW 10.5 km/h 29.6 km/h 55.1% 0 mm 737 W/m2
13:09 31 °C 20.9 °C 1010.4 hPa NW 10 km/h 24 km/h 55.2% 0 mm 747 W/m2
13:14 31.1 °C 21 °C 1010 hPa NW 12.1 km/h 22.2 km/h 54.9% 0 mm 735 W/m2
13:19 31.3 °C 21.2 °C 1010 hPa NW 10.3 km/h 22.2 km/h 55% 0 mm 731 W/m2
13:24 31.5 °C 21.4 °C 1010 hPa WNW 12.2 km/h 24 km/h 55.1% 0 mm 726 W/m2
13:29 31.6 °C 21.1 °C 1010 hPa NNW 9.2 km/h 24 km/h 53.8% 0 mm 733 W/m2
13:34 31.6 °C 21.2 °C 1009.7 hPa NW 14 km/h 25.9 km/h 54% 0 mm 733 W/m2
13:39 31.7 °C 21.1 °C 1009.7 hPa West 12.7 km/h 25.9 km/h 53.6% 0 mm 707 W/m2
13:44 31.8 °C 21.2 °C 1009.7 hPa NW 9.2 km/h 24 km/h 53.6% 0 mm 712 W/m2
13:46 31.8 °C 21.4 °C 1009.7 hPa NW 9 km/h 24 km/h 54.1% 0 mm 708 W/m2
14:34 30.9 °C 21.8 °C 1009.7 hPa WNW 9.5 km/h 18.5 km/h 58.2% 0 mm 369 W/m2
14:39 30.8 °C 21.7 °C 1009.7 hPa NW 8.9 km/h 24 km/h 58.4% 0 mm 297 W/m2
14:44 30.3 °C 21.8 °C 1009.7 hPa NW 11.4 km/h 24 km/h 60.5% 0 mm 186 W/m2
14:49 30.1 °C 21.9 °C 1009.7 hPa NNW 8.9 km/h 22.2 km/h 61.7% 0 mm 318 W/m2
14:54 30.2 °C 22.1 °C 1009.7 hPa NNW 7.6 km/h 20.3 km/h 61.8% 0 mm 352 W/m2
14:59 30.3 °C 22.1 °C 1009.7 hPa NW 9.2 km/h 18.5 km/h 61.4% 0 mm 320 W/m2
15:04 30.2 °C 22.2 °C 1009.7 hPa NNW 11.3 km/h 20.3 km/h 62.2% 0 mm 279 W/m2
15:09 29.9 °C 21.9 °C 1009.7 hPa NW 9.2 km/h 22.2 km/h 62.5% 0 mm 139 W/m2
15:14 29.4 °C 21.8 °C 1009.7 hPa NNW 13 km/h 24 km/h 63.3% 0 mm 297 W/m2
15:19 29.4 °C 21.9 °C 1009.7 hPa NNW 8.2 km/h 24 km/h 64% 0 mm 297 W/m2
15:24 29.6 °C 22.2 °C 1009.4 hPa NNE 7.7 km/h 24 km/h 64.7% 0 mm 250 W/m2
15:29 28.9 °C 22.1 °C 1009.4 hPa ENE 10.6 km/h 24 km/h 66.6% 0 mm 234 W/m2
15:34 28.5 °C 21.9 °C 1009.4 hPa NE 3.9 km/h 24 km/h 67.7% 0 mm 218 W/m2
15:39 28.4 °C 22.1 °C 1009.4 hPa NE 5.6 km/h 24 km/h 68.5% 0 mm 295 W/m2
15:44 28.8 °C 22.4 °C 1009.4 hPa NNE 2.7 km/h 24 km/h 68.7% 0 mm 207 W/m2
15:49 28.9 °C 22.4 °C 1009.4 hPa NNE 4 km/h 20.3 km/h 68% 0 mm 185 W/m2
15:54 28.7 °C 22.4 °C 1009.4 hPa NNE 2.1 km/h 20.3 km/h 69.2% 0 mm 156 W/m2
15:59 28.2 °C 22.2 °C 1009.4 hPa NE 5.5 km/h 24 km/h 69.9% 0 mm 153 W/m2
16:04 27.7 °C 22.2 °C 1009.4 hPa NNE 4.5 km/h 24 km/h 71.8% 0 mm 158 W/m2
16:09 27.6 °C 22.1 °C 1009.4 hPa NE 6.4 km/h 18.5 km/h 71.8% 0 mm 125 W/m2
16:14 27.4 °C 21.8 °C 1009.4 hPa NE 4.3 km/h 18.5 km/h 71.7% 0 mm 102 W/m2
16:19 27.3 °C 22.1 °C 1009.4 hPa NNE 4.2 km/h 16.6 km/h 73.2% 0 mm 160 W/m2
16:24 27.2 °C 21.8 °C 1009.4 hPa NNE 1 km/h 16.6 km/h 72.3% 0 mm 149 W/m2
16:29 27.2 °C 22.1 °C 1009.7 hPa Calm   16.6 km/h 73.7% 0 mm 149 W/m2
16:34 27.2 °C 22.1 °C 1009.7 hPa Calm   7.4 km/h 73.6% 0 mm 141 W/m2
16:39 27.2 °C 21.9 °C 1009.7 hPa Calm     73% 0 mm 141 W/m2
16:44 27.2 °C 22.1 °C 1009.7 hPa Calm     74% 0 mm 141 W/m2
16:49 27.2 °C 22.2 °C 1009.4 hPa ENE 1.6 km/h 13 km/h 74% 0 mm 151 W/m2
16:54 27.2 °C 21.9 °C 1009.4 hPa ENE 1.1 km/h 13 km/h 73% 0 mm 137 W/m2
16:59 27.1 °C 21.6 °C 1009.4 hPa ENE 1 km/h 11.1 km/h 72% 0 mm 86 W/m2
17:04 27.1 °C 21.7 °C 1009.7 hPa ENE 0.2 km/h 9.3 km/h 72.2% 0 mm 76 W/m2
17:09 26.9 °C 21.7 °C 1009.7 hPa Calm   3.7 km/h 73.2% 0 mm 69 W/m2
17:14 26.7 °C 22 °C 1009.7 hPa Calm   1.8 km/h 75.2% 0 mm 83 W/m2
17:19 26.6 °C 21.8 °C 1010 hPa Calm   1.8 km/h 74.7% 0 mm 79 W/m2
Peotone Weather
Compliments of Weather Underground - 2 mb