Rockbottom Observatory

Daily / Monthly Weather History From This Station

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September 2020 August 2020 July 2020 June 2020 May 2020 April 2020 March 2020 February 2020 January 2020 December 2019 November 2019 October 2019 September 2019 August 2019 July 2019 June 2019 May 2019 April 2019 March 2019 February 2019 January 2019 December 2018 November 2018 October 2018 September 2018 August 2018 July 2018 June 2018 May 2018 April 2018 March 2018 February 2018 January 2018 October 2017 September 2017 August 2017 July 2017 June 2017 May 2017 April 2017 March 2017 February 2017 January 2017 December 2016 November 2016 October 2016 September 2016 August 2016 July 2016 June 2016 May 2016 April 2016 March 2016

Daily Report for the month of September 2020

1 September Average and Extremes
Average temperature	66.1°F
Average humidity	74%
Average dewpoint	56.9°F
Average barometer	30.2 in.
Average windspeed	0.9 mph
Average gustspeed	1.7 mph
Average direction	133° (SE)
Rainfall for month	0.00 in.
Rainfall for year	25.56 in.
Maximum rain per minute	0.00 in. on 01 at 00:00
Maximum temperature	78.2°F on 01 at 13:31
Minimum temperature	53.0°F on 01 at 06:48
Maximum humidity	96% on 01 at 08:12
Minimum humidity	50% on 01 at 13:54
Maximum pressure	30.215 in. on 01 at 11:02
Minimum pressure	30.133 in. on 01 at 16:04
Maximum windspeed	5.8 mph on 01 at 13:00
Maximum gust speed	10.4 mph from 134 °(SE) on 01 at 14:32
Maximum heat index	79.5°F on 01 at 13:28

24 Hour Graph of this day is not available (20200901.gif)

2 September Average and Extremes
Average temperature	63.9°F
Average humidity	93%
Average dewpoint	62.0°F
Average barometer	30.0 in.
Average windspeed	0.3 mph
Average gustspeed	0.6 mph
Average direction	137° (SE)
Rainfall for month	0.34 in.
Rainfall for year	25.90 in.
Maximum rain per minute	0.01 in. on 02 at 16:56
Maximum temperature	69.9°F on 02 at 23:59
Minimum temperature	57.5°F on 02 at 03:42
Maximum humidity	96% on 02 at 23:59
Minimum humidity	85% on 02 at 00:06
Maximum pressure	30.176 in. on 02 at 00:01
Minimum pressure	29.797 in. on 02 at 23:59
Maximum windspeed	5.8 mph on 02 at 14:42
Maximum gust speed	10.4 mph from 225 °(SW) on 02 at 14:45
Maximum heat index	68.0°F on 02 at 21:37

24 Hour Graph of this day is not available (20200902.gif)

3 September Average and Extremes
Average temperature	72.2°F
Average humidity	89%
Average dewpoint	68.8°F
Average barometer	29.8 in.
Average windspeed	0.2 mph
Average gustspeed	0.4 mph
Average direction	124° (SE)
Rainfall for month	0.46 in.
Rainfall for year	26.02 in.
Maximum rain per minute	0.01 in. on 03 at 05:41
Maximum temperature	79.2°F on 03 at 14:43
Minimum temperature	66.1°F on 03 at 23:59
Maximum humidity	97% on 03 at 09:26
Minimum humidity	72% on 03 at 14:34
Maximum pressure	29.822 in. on 03 at 09:42
Minimum pressure	29.729 in. on 03 at 17:25
Maximum windspeed	4.6 mph on 03 at 16:08
Maximum gust speed	6.9 mph from 143 °(SE) on 03 at 16:08
Maximum heat index	82.1°F on 03 at 14:43

24 Hour Graph of this day is not available (20200903.gif)

4 September Average and Extremes
Average temperature	72.3°F
Average humidity	68%
Average dewpoint	59.2°F
Average barometer	29.8 in.
Average windspeed	0.3 mph
Average gustspeed	0.8 mph
Average direction	229° (SW)
Rainfall for month	0.46 in.
Rainfall for year	26.02 in.
Maximum rain per minute	0.00 in. on 04 at 23:59
Maximum temperature	87.8°F on 04 at 14:02
Minimum temperature	57.5°F on 04 at 23:59
Maximum humidity	97% on 04 at 08:26
Minimum humidity	31% on 04 at 15:07
Maximum pressure	30.031 in. on 04 at 23:58
Minimum pressure	29.723 in. on 04 at 03:38
Maximum windspeed	3.5 mph on 04 at 16:30
Maximum gust speed	6.9 mph from 261 °(W) on 04 at 13:14
Maximum heat index	90.2°F on 04 at 11:58

24 Hour Graph of this day is not available (20200904.gif)

5 September Average and Extremes
Average temperature	64.9°F
Average humidity	68%
Average dewpoint	52.0°F
Average barometer	30.1 in.
Average windspeed	0.3 mph
Average gustspeed	0.6 mph
Average direction	254° (WSW)
Rainfall for month	0.46 in.
Rainfall for year	26.02 in.
Maximum rain per minute	0.00 in. on 05 at 23:59
Maximum temperature	81.4°F on 05 at 13:40
Minimum temperature	49.5°F on 05 at 06:54
Maximum humidity	96% on 05 at 08:14
Minimum humidity	36% on 05 at 14:18
Maximum pressure	30.169 in. on 05 at 22:05
Minimum pressure	30.032 in. on 05 at 00:01
Maximum windspeed	3.5 mph on 05 at 13:41
Maximum gust speed	9.2 mph from 277 °(W) on 05 at 12:23
Maximum heat index	80.9°F on 05 at 13:38

24 Hour Graph of this day is not available (20200905.gif)

6 September Average and Extremes
Average temperature	67.3°F
Average humidity	72%
Average dewpoint	56.7°F
Average barometer	30.2 in.
Average windspeed	0.1 mph
Average gustspeed	0.2 mph
Average direction	197° (SSW)
Rainfall for month	0.46 in.
Rainfall for year	26.02 in.
Maximum rain per minute	0.00 in. on 06 at 23:59
Maximum temperature	83.0°F on 06 at 14:32
Minimum temperature	54.8°F on 06 at 03:31
Maximum humidity	95% on 06 at 08:38
Minimum humidity	44% on 06 at 14:39
Maximum pressure	30.199 in. on 06 at 08:22
Minimum pressure	30.141 in. on 06 at 16:59
Maximum windspeed	2.3 mph on 06 at 13:46
Maximum gust speed	5.8 mph from 123 °(ESE) on 06 at 11:02
Maximum heat index	83.3°F on 06 at 14:35

24 Hour Graph of this day is not available (20200906.gif)

7 September Average and Extremes
Average temperature	69.2°F
Average humidity	72%
Average dewpoint	58.2°F
Average barometer	30.1 in.
Average windspeed	1.5 mph
Average gustspeed	3.1 mph
Average direction	137° (SE)
Rainfall for month	0.46 in.
Rainfall for year	26.02 in.
Maximum rain per minute	0.00 in. on 07 at 23:59
Maximum temperature	81.8°F on 07 at 13:44
Minimum temperature	58.4°F on 07 at 00:39
Maximum humidity	96% on 07 at 08:11
Minimum humidity	37% on 07 at 14:25
Maximum pressure	30.176 in. on 07 at 09:37
Minimum pressure	30.037 in. on 07 at 15:30
Maximum windspeed	8.1 mph on 07 at 16:04
Maximum gust speed	18.4 mph from 134 °(SE) on 07 at 16:34
Maximum heat index	81.3°F on 07 at 13:42

24 Hour Graph of this day is not available (20200907.gif)

8 September Average and Extremes
Average temperature	73.0°F
Average humidity	76%
Average dewpoint	64.2°F
Average barometer	30.2 in.
Average windspeed	0.3 mph
Average gustspeed	0.8 mph
Average direction	138° (SE)
Rainfall for month	0.46 in.
Rainfall for year	26.02 in.
Maximum rain per minute	0.00 in. on 08 at 23:59
Maximum temperature	87.1°F on 08 at 14:20
Minimum temperature	59.9°F on 08 at 01:57
Maximum humidity	95% on 08 at 08:24
Minimum humidity	48% on 08 at 15:11
Maximum pressure	30.229 in. on 08 at 23:33
Minimum pressure	30.086 in. on 08 at 02:46
Maximum windspeed	3.5 mph on 08 at 16:58
Maximum gust speed	8.1 mph from 122 °(ESE) on 08 at 16:57
Maximum heat index	90.6°F on 08 at 14:18

24 Hour Graph of this day is not available (20200908.gif)

9 September Average and Extremes
Average temperature	72.8°F
Average humidity	79%
Average dewpoint	65.1°F
Average barometer	30.3 in.
Average windspeed	0.4 mph
Average gustspeed	0.8 mph
Average direction	136° (SE)
Rainfall for month	0.46 in.
Rainfall for year	26.02 in.
Maximum rain per minute	0.00 in. on 09 at 23:59
Maximum temperature	85.2°F on 09 at 13:47
Minimum temperature	62.8°F on 09 at 03:26
Maximum humidity	95% on 09 at 08:07
Minimum humidity	46% on 09 at 16:41
Maximum pressure	30.335 in. on 09 at 23:20
Minimum pressure	30.218 in. on 09 at 00:48
Maximum windspeed	4.6 mph on 09 at 12:55
Maximum gust speed	8.1 mph from 096 °(E) on 09 at 14:31
Maximum heat index	88.1°F on 09 at 13:41

24 Hour Graph of this day is not available (20200909.gif)

10 September Average and Extremes
Average temperature	74.3°F
Average humidity	88%
Average dewpoint	70.3°F
Average barometer	30.2 in.
Average windspeed	0.4 mph
Average gustspeed	0.9 mph
Average direction	148° (SSE)
Rainfall for month	1.05 in.
Rainfall for year	26.61 in.
Maximum rain per minute	0.05 in. on 10 at 17:16
Maximum temperature	85.5°F on 10 at 14:45
Minimum temperature	67.2°F on 10 at 06:44
Maximum humidity	94% on 10 at 23:59
Minimum humidity	68% on 10 at 14:51
Maximum pressure	30.328 in. on 10 at 00:14
Minimum pressure	30.095 in. on 10 at 23:57
Maximum windspeed	6.9 mph on 10 at 13:59
Maximum gust speed	11.5 mph from 144 °(SE) on 10 at 13:59
Maximum heat index	94.0°F on 10 at 14:40

24 Hour Graph of this day is not available (20200910.gif)

11 September Average and Extremes
Average temperature	65.0°F
Average humidity	85%
Average dewpoint	60.2°F
Average barometer	30.2 in.
Average windspeed	0.6 mph
Average gustspeed	1.4 mph
Average direction	117° (ESE)
Rainfall for month	1.06 in.
Rainfall for year	26.62 in.
Maximum rain per minute	0.01 in. on 11 at 03:24
Maximum temperature	71.7°F on 11 at 00:09
Minimum temperature	56.3°F on 11 at 23:59
Maximum humidity	95% on 11 at 05:23
Minimum humidity	70% on 11 at 16:57
Maximum pressure	30.314 in. on 11 at 23:53
Minimum pressure	30.070 in. on 11 at 02:25
Maximum windspeed	5.8 mph on 11 at 13:37
Maximum gust speed	11.5 mph from 044 °(NE) on 11 at 13:36
Maximum heat index	68.0°F on 11 at 05:24

24 Hour Graph of this day is not available (20200911.gif)

12 September Average and Extremes
Average temperature	58.7°F
Average humidity	77%
Average dewpoint	50.7°F
Average barometer	30.3 in.
Average windspeed	0.7 mph
Average gustspeed	1.6 mph
Average direction	124° (ESE)
Rainfall for month	1.06 in.
Rainfall for year	26.62 in.
Maximum rain per minute	0.00 in. on 12 at 23:59
Maximum temperature	70.8°F on 12 at 13:43
Minimum temperature	47.8°F on 12 at 07:03
Maximum humidity	96% on 12 at 08:17
Minimum humidity	50% on 12 at 16:12
Maximum pressure	30.390 in. on 12 at 10:13
Minimum pressure	30.290 in. on 12 at 23:59
Maximum windspeed	5.8 mph on 12 at 12:25
Maximum gust speed	11.5 mph from 097 °(E) on 12 at 14:53
Maximum heat index	77.2°F on 12 at 15:16

24 Hour Graph of this day is not available (20200912.gif)

13 September Average and Extremes
Average temperature	62.4°F
Average humidity	78%
Average dewpoint	54.9°F
Average barometer	30.1 in.
Average windspeed	0.9 mph
Average gustspeed	2.0 mph
Average direction	135° (SE)
Rainfall for month	1.06 in.
Rainfall for year	26.62 in.
Maximum rain per minute	0.00 in. on 13 at 23:59
Maximum temperature	75.2°F on 13 at 16:30
Minimum temperature	45.5°F on 13 at 02:51
Maximum humidity	96% on 13 at 08:27
Minimum humidity	57% on 13 at 14:49
Maximum pressure	30.295 in. on 13 at 01:25
Minimum pressure	29.994 in. on 13 at 23:58
Maximum windspeed	6.9 mph on 13 at 13:55
Maximum gust speed	15.0 mph from 116 °(ESE) on 13 at 13:31
Maximum heat index	77.5°F on 13 at 16:30

24 Hour Graph of this day is not available (20200913.gif)

14 September Average and Extremes
Average temperature	67.4°F
Average humidity	65%
Average dewpoint	54.0°F
Average barometer	30.1 in.
Average windspeed	0.8 mph
Average gustspeed	1.6 mph
Average direction	329° (NNW)
Rainfall for month	1.06 in.
Rainfall for year	26.62 in.
Maximum rain per minute	0.00 in. on 14 at 23:59
Maximum temperature	77.4°F on 14 at 13:23
Minimum temperature	53.3°F on 14 at 23:59
Maximum humidity	94% on 14 at 08:35
Minimum humidity	40% on 14 at 17:59
Maximum pressure	30.245 in. on 14 at 23:45
Minimum pressure	29.965 in. on 14 at 03:44
Maximum windspeed	5.8 mph on 14 at 11:45
Maximum gust speed	11.5 mph from 279 °(W) on 14 at 15:51
Maximum heat index	78.6°F on 14 at 13:22

24 Hour Graph of this day is not available (20200914.gif)

15 September Average and Extremes
Average temperature	54.4°F
Average humidity	69%
Average dewpoint	43.2°F
Average barometer	30.3 in.
Average windspeed	0.2 mph
Average gustspeed	0.5 mph
Average direction	92° (E)
Rainfall for month	1.06 in.
Rainfall for year	26.62 in.
Maximum rain per minute	0.00 in. on 15 at 23:59
Maximum temperature	66.7°F on 15 at 13:53
Minimum temperature	41.2°F on 15 at 07:13
Maximum humidity	93% on 15 at 08:21
Minimum humidity	42% on 15 at 13:19
Maximum pressure	30.362 in. on 15 at 10:52
Minimum pressure	30.243 in. on 15 at 00:01
Maximum windspeed	3.5 mph on 15 at 14:38
Maximum gust speed	6.9 mph from 140 °(SE) on 15 at 14:38
Maximum heat index	66.7°F on 15 at 13:53

24 Hour Graph of this day is not available (20200915.gif)

16 September Average and Extremes
Average temperature	60.3°F
Average humidity	76%
Average dewpoint	52.0°F
Average barometer	30.2 in.
Average windspeed	0.8 mph
Average gustspeed	2.0 mph
Average direction	115° (ESE)
Rainfall for month	1.06 in.
Rainfall for year	26.62 in.
Maximum rain per minute	0.00 in. on 16 at 23:59
Maximum temperature	74.6°F on 16 at 14:56
Minimum temperature	45.9°F on 16 at 02:33
Maximum humidity	96% on 16 at 08:39
Minimum humidity	51% on 16 at 15:10
Maximum pressure	30.278 in. on 16 at 00:14
Minimum pressure	30.086 in. on 16 at 23:54
Maximum windspeed	6.9 mph on 16 at 14:09
Maximum gust speed	16.1 mph from 138 °(SE) on 16 at 14:09
Maximum heat index	77.5°F on 16 at 14:56

24 Hour Graph of this day is not available (20200916.gif)

17 September Average and Extremes
Average temperature	66.8°F
Average humidity	73%
Average dewpoint	57.0°F
Average barometer	30.0 in.
Average windspeed	0.1 mph
Average gustspeed	0.5 mph
Average direction	46° (NE)
Rainfall for month	1.06 in.
Rainfall for year	26.62 in.
Maximum rain per minute	0.00 in. on 17 at 23:59
Maximum temperature	80.1°F on 17 at 12:52
Minimum temperature	55.6°F on 17 at 07:22
Maximum humidity	94% on 17 at 08:20
Minimum humidity	47% on 17 at 14:35
Maximum pressure	30.091 in. on 17 at 00:09
Minimum pressure	29.964 in. on 17 at 18:23
Maximum windspeed	3.5 mph on 17 at 14:33
Maximum gust speed	8.1 mph from 131 °(SE) on 17 at 13:57
Maximum heat index	80.9°F on 17 at 12:51

24 Hour Graph of this day is not available (20200917.gif)

Average and Extremes for Month of September 2020 up to day 17
Average temperature	66.5°F
Average humidity	77%
Average dewpoint	58.0°F
Average barometer	30.121 in.
Average windspeed	0.5 mph
Average gustspeed	1.1 mph
Average direction	138° (SE)
Rainfall for month	1.070 in.
Rainfall for year	26.640 in.
Maximum rain per minute	0.050 in on 10 at 17:16
Maximum temperature	87.8°F on 04 at 14:02
Minimum temperature	41.2°F on 15 at 07:13
Maximum humidity	97% on 04 at 08:26
Minimum humidity	31% on 04 at 15:07
Maximum pressure	30.39 in. on 12 at 10:13
Minimum pressure	29.72 in. on 04 at 03:38
Maximum windspeed	8.1 mph from 134°(SE) on 07 at 16:04
Maximum gust speed	18.4 mph from 135°(SE) on 07 at 16:34
Maximum heat index	94.0°F on 10 at 14:40
Avg daily max temp	78.6°F
Avg daily min temp	54.8°F

Day, Sunshine Hours, ET, Max Solar, UV
01 06:48hrs	ET :0.122 in.	963.0 W/m²	5.6 uv
02 00:00hrs	ET :0.028 in.	299.0 W/m²	2.3 uv
03 01:00hrs	ET :0.071 in.	868.0 W/m²	6.3 uv
04 07:42hrs	ET :0.142 in.	858.0 W/m²	5.3 uv
05 07:24hrs	ET :0.118 in.	868.0 W/m²	5.2 uv
06 04:36hrs	ET :0.094 in.	1071.0 W/m²	5.1 uv
07 07:48hrs	ET :0.134 in.	805.0 W/m²	4.8 uv
08 05:54hrs	ET :0.122 in.	789.0 W/m²	4.4 uv
09 03:24hrs	ET :0.110 in.	881.0 W/m²	4.6 uv
10 01:06hrs	ET :0.083 in.	1025.0 W/m²	5.7 uv
11 01:48hrs	ET :0.059 in.	919.0 W/m²	5.0 uv
12 05:00hrs	ET :0.087 in.	1104.0 W/m²	5.6 uv
13 05:00hrs	ET :0.087 in.	937.0 W/m²	5.4 uv
14 06:30hrs	ET :0.114 in.	874.0 W/m²	4.2 uv
15 07:36hrs	ET :0.098 in.	733.0 W/m²	3.3 uv
16 07:48hrs	ET :0.118 in.	728.0 W/m²	3.2 uv
17 06:36hrs	ET :0.102 in.	882.0 W/m²	3.7 uv

Daily Rain Totals

00.34 in. on 2

00.12 in. on 3

00.59 in. on 10

00.01 in. on 11