Monthly Climatological Summary for 09/2021 Daily Data for the Month Freeport, IL 42.296N 89.655W Alt 845 Ft Day Mean High Low HeatD CoolD Mean Wind Wind Mean Mean ET Temp Temp Time Temp Time Days Days Rain Wind High Time Dir Baro Humid inch ----------------------------------------------------------------------------------------------------------- 01 67.8 80.1 2:24:36 PM 58.2 4:04:22 AM 2 5 0.01 3.1 17.2 11:03:50 AM ENE 30.00 74.1 0.12 02 67.4 82.3 3:01:21 PM 51.3 5:40:48 AM 4 6 0.00 0.8 12.8 10:08:42 AM ENE 30.12 73.0 0.09 03 66.3 71.8 3:56:54 PM 60.2 4:00:46 AM 1 2 0.04 2.1 15.6 7:38:09 PM E 30.04 80.2 0.03 04 67.9 75.5 11:31:26 AM 59.4 11:59:52 PM 1 3 0.04 2.3 17.3 6:09:35 PM SSW 29.91 89.2 0.03 05 69.4 82.7 2:29:19 PM 57.2 6:37:12 AM 2 6 0.01 2.9 19.8 2:29:39 PM SW 29.91 69.3 0.13 06 70.4 84.0 4:11:55 PM 55.4 6:50:43 AM 2 7 0.00 0.8 11.2 3:18:41 PM SW 29.94 64.3 0.13 07 69.5 83.8 10:57:30 AM 64.4 11:38:04 PM 0 3 0.00 4.4 17.6 10:27:05 AM SW 29.79 84.4 0.06 08 68.0 76.4 2:09:48 PM 55.1 6:54:54 AM 1 3 0.00 6.8 32.1 1:51:37 PM SW 29.88 59.4 0.17 09 64.3 77.7 4:19:32 PM 52.6 6:58:58 AM 4 3 0.00 2.5 15.5 12:16:29 PM SW 30.02 74.2 0.10 10 68.5 83.4 4:05:26 PM 53.0 6:37:23 AM 3 7 0.00 2.0 14.7 1:25:45 PM S 30.03 66.8 0.13 11 74.8 89.9 3:57:48 PM 60.3 6:36:01 AM 1 11 0.00 1.9 15.2 4:56:58 PM SSW 29.91 74.1 0.10 12 75.2 88.0 2:42:17 PM 68.4 6:51:33 AM 0 10 0.00 4.7 17.0 3:12:42 PM SSW 29.97 77.2 0.10 13 67.6 76.6 10:46:56 AM 65.0 6:08:39 AM 0 1 0.00 2.2 15.6 5:09:17 AM ENE 30.05 85.1 0.03 14 72.6 82.4 11:41:56 AM 63.9 11:59:58 PM 0 8 0.00 6.4 22.2 2:26:13 PM SW 29.86 71.1 0.11 15 60.9 72.4 11:00:20 AM 53.5 6:53:41 AM 2 0 0.00 1.4 12.4 11:01:40 AM SW 30.02 85.3 0.09 16 68.4 84.8 4:19:19 PM 50.7 6:44:56 AM 4 7 0.00 3.0 19.1 12:41:07 PM SSE 30.05 61.3 0.14 17 71.8 87.3 12:26:56 PM 57.1 6:54:18 AM 1 8 0.00 3.8 18.7 1:34:47 PM SW 30.08 65.6 0.11 18 69.2 84.8 3:07:10 PM 53.5 6:52:28 AM 3 7 0.00 2.4 17.3 9:36:47 AM ENE 30.18 65.6 0.12 19 76.1 93.3 2:43:52 PM 58.8 6:23:45 AM 1 12 0.00 1.9 16.5 4:04:34 PM SSE 30.06 65.7 0.12 20 78.3 87.2 3:17:16 PM 68.7 11:58:47 PM 0 10 0.42 6.8 21.2 10:52:49 PM SSE 29.84 74.4 0.12 21 63.4 70.4 3:54:57 PM 56.1 11:52:51 PM 2 1 0.04 6.4 27.6 11:54:10 AM SW 30.07 76.6 0.07 22 57.0 66.7 4:12:46 PM 48.9 6:45:18 AM 8 0 0.00 5.8 27.7 1:30:03 PM ENE 30.18 70.1 0.09 23 56.8 70.0 4:20:59 PM 44.9 7:18:02 AM 9 1 0.00 5.2 24.2 2:11:40 PM SW 30.02 64.3 0.11 24 61.8 82.5 2:51:01 PM 48.1 6:25:28 AM 7 4 0.07 6.2 28.2 6:34:20 PM SW 29.90 69.2 0.11 25 58.0 69.7 1:54:54 PM 46.1 7:23:09 AM 8 1 0.01 3.5 22.9 1:02:19 PM SW 29.99 63.2 0.09 26 68.6 86.0 4:14:48 PM 51.6 6:56:14 AM 4 7 0.00 6.4 22.1 4:22:24 PM SW 29.87 51.6 0.15 27 72.7 88.7 4:22:40 PM 60.3 7:01:16 AM 1 8 0.00 3.9 21.4 8:47:10 PM S 29.81 63.7 0.13 28 65.9 81.4 4:19:09 PM 51.2 6:52:51 AM 4 5 0.00 2.4 17.9 12:29:20 PM ENE 29.99 65.4 0.11 29 69.5 88.3 3:59:54 PM 51.2 6:17:15 AM 4 8 0.00 1.5 13.8 3:54:37 PM ENE 30.05 65.2 0.11 30 72.2 88.5 3:58:12 PM 58.9 4:50:14 AM 1 8 0.00 1.4 12.5 4:12:45 PM ENE 30.14 61.4 0.10 ----------------------------------------------------------------------------------------------------------- Tot 68.0 93.3 09/19/2021 44.9 09/23/2021 78 164 0.64 3.5 32.1 09/08/2021 SW 31.02 73.0 3.06 Normal High for the Month 72.6 Mean High 81.2 From Normal 8.6 Normal Low for the Month 50.1 Mean Low 56.1 From Normal 6.0 Normal Temp for the Month 61.4 Mean Temp 68.0 From Normal 6.6 Normal Rain for the Month 3.67 Rainfall 0.64 From Normal -3.03 *Average Ep for the Month 4.34 ET Total 3.06 Est Ep 4.02 Temperatures and Dewpoint are in Degrees F. Humidity is in Percent. Barometer is in Inches of Mercury. Rainfall is in Inches. ET calculated with Kc of .76 (Turf Grass). *Avg Ep Values from Pan Evporation De Kalb, IL (site 11-2223)