Rockbottom Observatory

Daily / Monthly Weather History From This Station

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September 2021 August 2021 July 2021 June 2021 May 2021 April 2021 March 2021 February 2021 January 2021 December 2020 November 2020 October 2020 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 2021

1 September Average and Extremes
Average temperature	65.0°F
Average humidity	92%
Average dewpoint	62.6°F
Average barometer	29.8 in.
Average windspeed	0.1 mph
Average gustspeed	0.2 mph
Average direction	338° (NNW)
Rainfall for month	1.58 in.
Rainfall for year	17.91 in.
Maximum rain per minute	0.07 in. on 01 at 21:04
Maximum temperature	69.0°F on 01 at 15:32
Minimum temperature	58.0°F on 01 at 00:00
Maximum humidity	96% on 01 at 09:04
Minimum humidity	86% on 01 at 14:49
Maximum pressure	29.893 in. on 01 at 14:29
Minimum pressure	29.771 in. on 01 at 00:21
Maximum windspeed	3.5 mph on 01 at 23:11
Maximum gust speed	10.4 mph from 338 °(NNW) on 01 at 00:00
Maximum heat index	68.0°F on 01 at 16:35

24 Hour Graph of this day is not available (20210901.gif)

2 September Average and Extremes
Average temperature	64.7°F
Average humidity	72%
Average dewpoint	55.1°F
Average barometer	29.8 in.
Average windspeed	0.5 mph
Average gustspeed	1.4 mph
Average direction	299° (WNW)
Rainfall for month	3.44 in.
Rainfall for year	19.77 in.
Maximum rain per minute	0.07 in. on 02 at 02:02
Maximum temperature	76.3°F on 02 at 14:07
Minimum temperature	55.8°F on 02 at 23:59
Maximum humidity	97% on 02 at 09:03
Minimum humidity	53% on 02 at 16:11
Maximum pressure	29.955 in. on 02 at 23:58
Minimum pressure	29.652 in. on 02 at 06:06
Maximum windspeed	4.6 mph on 02 at 15:03
Maximum gust speed	13.8 mph from 254 °(WSW) on 02 at 00:07
Maximum heat index	78.2°F on 02 at 14:07

24 Hour Graph of this day is not available (20210902.gif)

3 September Average and Extremes
Average temperature	62.7°F
Average humidity	76%
Average dewpoint	54.2°F
Average barometer	30.0 in.
Average windspeed	0.3 mph
Average gustspeed	0.7 mph
Average direction	293° (WNW)
Rainfall for month	3.44 in.
Rainfall for year	19.77 in.
Maximum rain per minute	0.00 in. on 03 at 23:59
Maximum temperature	75.9°F on 03 at 14:27
Minimum temperature	51.1°F on 03 at 04:46
Maximum humidity	95% on 03 at 08:05
Minimum humidity	48% on 03 at 14:29
Maximum pressure	30.002 in. on 03 at 23:12
Minimum pressure	29.947 in. on 03 at 16:12
Maximum windspeed	2.3 mph on 03 at 16:36
Maximum gust speed	9.2 mph from 343 °(NNW) on 03 at 12:43
Maximum heat index	78.0°F on 03 at 14:27

24 Hour Graph of this day is not available (20210903.gif)

4 September Average and Extremes
Average temperature	66.0°F
Average humidity	76%
Average dewpoint	57.1°F
Average barometer	30.0 in.
Average windspeed	0.1 mph
Average gustspeed	0.3 mph
Average direction	277° (W)
Rainfall for month	3.44 in.
Rainfall for year	19.77 in.
Maximum rain per minute	0.00 in. on 04 at 23:59
Maximum temperature	81.2°F on 04 at 14:05
Minimum temperature	52.4°F on 04 at 06:43
Maximum humidity	96% on 04 at 08:06
Minimum humidity	46% on 04 at 14:27
Maximum pressure	30.000 in. on 04 at 00:01
Minimum pressure	29.901 in. on 04 at 17:25
Maximum windspeed	2.3 mph on 04 at 14:31
Maximum gust speed	3.5 mph from 271 °(W) on 04 at 15:00
Maximum heat index	81.7°F on 04 at 14:05

24 Hour Graph of this day is not available (20210904.gif)

5 September Average and Extremes
Average temperature	64.7°F
Average humidity	90%
Average dewpoint	61.5°F
Average barometer	29.9 in.
Average windspeed	0.3 mph
Average gustspeed	1.0 mph
Average direction	212° (SSW)
Rainfall for month	3.45 in.
Rainfall for year	19.78 in.
Maximum rain per minute	0.01 in. on 05 at 10:28
Maximum temperature	72.3°F on 05 at 14:05
Minimum temperature	56.7°F on 05 at 02:14
Maximum humidity	97% on 05 at 09:11
Minimum humidity	77% on 05 at 14:20
Maximum pressure	29.946 in. on 05 at 00:38
Minimum pressure	29.785 in. on 05 at 23:34
Maximum windspeed	4.6 mph on 05 at 19:20
Maximum gust speed	9.2 mph from 143 °(SE) on 05 at 19:20
Maximum heat index	72.8°F on 05 at 14:15

24 Hour Graph of this day is not available (20210905.gif)

6 September Average and Extremes
Average temperature	72.3°F
Average humidity	75%
Average dewpoint	62.7°F
Average barometer	29.8 in.
Average windspeed	0.1 mph
Average gustspeed	0.3 mph
Average direction	211° (SSW)
Rainfall for month	3.45 in.
Rainfall for year	19.78 in.
Maximum rain per minute	0.00 in. on 06 at 23:59
Maximum temperature	86.6°F on 06 at 12:41
Minimum temperature	61.5°F on 06 at 23:59
Maximum humidity	97% on 06 at 08:14
Minimum humidity	44% on 06 at 14:23
Maximum pressure	29.853 in. on 06 at 23:58
Minimum pressure	29.693 in. on 06 at 15:24
Maximum windspeed	2.3 mph on 06 at 17:46
Maximum gust speed	5.8 mph from 281 °(W) on 06 at 13:27
Maximum heat index	88.6°F on 06 at 12:08

24 Hour Graph of this day is not available (20210906.gif)

7 September Average and Extremes
Average temperature	67.9°F
Average humidity	74%
Average dewpoint	58.1°F
Average barometer	29.9 in.
Average windspeed	0.1 mph
Average gustspeed	0.2 mph
Average direction	289° (WNW)
Rainfall for month	3.45 in.
Rainfall for year	19.78 in.
Maximum rain per minute	0.00 in. on 07 at 23:59
Maximum temperature	83.4°F on 07 at 13:45
Minimum temperature	54.1°F on 07 at 06:47
Maximum humidity	97% on 07 at 08:16
Minimum humidity	45% on 07 at 14:39
Maximum pressure	29.967 in. on 07 at 22:24
Minimum pressure	29.851 in. on 07 at 00:10
Maximum windspeed	2.3 mph on 07 at 14:51
Maximum gust speed	3.5 mph from 297 °(WNW) on 07 at 14:50
Maximum heat index	84.0°F on 07 at 13:40

24 Hour Graph of this day is not available (20210907.gif)

8 September Average and Extremes
Average temperature	71.2°F
Average humidity	78%
Average dewpoint	63.2°F
Average barometer	29.9 in.
Average windspeed	1.3 mph
Average gustspeed	3.2 mph
Average direction	136° (SE)
Rainfall for month	3.45 in.
Rainfall for year	19.78 in.
Maximum rain per minute	0.00 in. on 08 at 23:59
Maximum temperature	85.3°F on 08 at 12:57
Minimum temperature	56.4°F on 08 at 04:27
Maximum humidity	97% on 08 at 08:25
Minimum humidity	48% on 08 at 14:11
Maximum pressure	29.956 in. on 08 at 01:04
Minimum pressure	29.815 in. on 08 at 17:03
Maximum windspeed	8.1 mph on 08 at 18:52
Maximum gust speed	18.4 mph from 315 °(NW) on 08 at 18:52
Maximum heat index	88.0°F on 08 at 12:13

24 Hour Graph of this day is not available (20210908.gif)

9 September Average and Extremes
Average temperature	71.3°F
Average humidity	91%
Average dewpoint	68.5°F
Average barometer	29.8 in.
Average windspeed	0.3 mph
Average gustspeed	0.8 mph
Average direction	102° (ESE)
Rainfall for month	4.16 in.
Rainfall for year	20.49 in.
Maximum rain per minute	0.02 in. on 09 at 23:41
Maximum temperature	74.4°F on 09 at 14:17
Minimum temperature	66.9°F on 09 at 23:59
Maximum humidity	95% on 09 at 23:59
Minimum humidity	82% on 09 at 00:38
Maximum pressure	29.836 in. on 09 at 00:14
Minimum pressure	29.705 in. on 09 at 23:17
Maximum windspeed	5.8 mph on 08 at 00:19
Maximum gust speed	10.4 mph from 141 °(SE) on 09 at 00:18
Maximum heat index	73.1°F on 09 at 00:38

24 Hour Graph of this day is not available (20210909.gif)

10 September Average and Extremes
Average temperature	66.5°F
Average humidity	79%
Average dewpoint	59.4°F
Average barometer	29.8 in.
Average windspeed	0.5 mph
Average gustspeed	1.1 mph
Average direction	293° (WNW)
Rainfall for month	4.28 in.
Rainfall for year	20.61 in.
Maximum rain per minute	0.01 in. on 10 at 06:19
Maximum temperature	78.2°F on 10 at 13:08
Minimum temperature	54.2°F on 10 at 23:59
Maximum humidity	97% on 10 at 08:32
Minimum humidity	54% on 10 at 13:12
Maximum pressure	30.030 in. on 10 at 23:55
Minimum pressure	29.682 in. on 10 at 04:02
Maximum windspeed	4.6 mph on 10 at 18:06
Maximum gust speed	10.4 mph from 263 °(W) on 10 at 10:42
Maximum heat index	79.7°F on 10 at 13:07

24 Hour Graph of this day is not available (20210910.gif)

11 September Average and Extremes
Average temperature	64.8°F
Average humidity	74%
Average dewpoint	55.1°F
Average barometer	30.1 in.
Average windspeed	0.1 mph
Average gustspeed	0.4 mph
Average direction	295° (WNW)
Rainfall for month	4.28 in.
Rainfall for year	20.61 in.
Maximum rain per minute	0.00 in. on 11 at 23:59
Maximum temperature	80.3°F on 11 at 13:25
Minimum temperature	49.4°F on 11 at 06:53
Maximum humidity	97% on 11 at 08:17
Minimum humidity	44% on 11 at 13:22
Maximum pressure	30.166 in. on 11 at 10:51
Minimum pressure	30.027 in. on 11 at 00:03
Maximum windspeed	2.3 mph on 11 at 15:06
Maximum gust speed	6.9 mph from 275 °(W) on 11 at 15:06
Maximum heat index	80.8°F on 11 at 12:40

24 Hour Graph of this day is not available (20210911.gif)

12 September Average and Extremes
Average temperature	71.3°F
Average humidity	79%
Average dewpoint	64.1°F
Average barometer	30.0 in.
Average windspeed	0.2 mph
Average gustspeed	0.8 mph
Average direction	92° (E)
Rainfall for month	4.28 in.
Rainfall for year	20.61 in.
Maximum rain per minute	0.00 in. on 12 at 23:59
Maximum temperature	83.4°F on 12 at 13:46
Minimum temperature	59.8°F on 12 at 05:51
Maximum humidity	94% on 12 at 07:20
Minimum humidity	58% on 12 at 13:54
Maximum pressure	30.119 in. on 12 at 00:27
Minimum pressure	29.921 in. on 12 at 16:38
Maximum windspeed	4.6 mph on 12 at 13:52
Maximum gust speed	8.1 mph from 209 °(SSW) on 12 at 14:04
Maximum heat index	86.8°F on 12 at 14:32

24 Hour Graph of this day is not available (20210912.gif)

13 September Average and Extremes
Average temperature	71.2°F
Average humidity	77%
Average dewpoint	62.7°F
Average barometer	30.0 in.
Average windspeed	0.2 mph
Average gustspeed	0.5 mph
Average direction	275° (W)
Rainfall for month	4.34 in.
Rainfall for year	20.67 in.
Maximum rain per minute	0.01 in. on 13 at 13:25
Maximum temperature	81.2°F on 13 at 13:22
Minimum temperature	59.3°F on 13 at 23:59
Maximum humidity	94% on 13 at 09:15
Minimum humidity	45% on 13 at 13:24
Maximum pressure	30.052 in. on 13 at 22:19
Minimum pressure	29.885 in. on 13 at 05:31
Maximum windspeed	3.5 mph on 13 at 14:02
Maximum gust speed	6.9 mph from 331 °(NNW) on 13 at 12:50
Maximum heat index	82.1°F on 13 at 12:14

24 Hour Graph of this day is not available (20210913.gif)

Average and Extremes for Month of September 2021 up to day 13
Average temperature	67.8°F
Average humidity	79%
Average dewpoint	60.5°F
Average barometer	29.906 in.
Average windspeed	0.3 mph
Average gustspeed	0.8 mph
Average direction	277° (W)
Rainfall for month	4.380 in.
Rainfall for year	20.640 in.
Maximum rain per minute	0.070 in on 01 at 21:04
Maximum temperature	86.6°F on 06 at 12:41
Minimum temperature	49.4°F on 11 at 06:53
Maximum humidity	97% on 11 at 08:17
Minimum humidity	44% on 11 at 13:22
Maximum pressure	30.17 in. on 11 at 10:51
Minimum pressure	29.65 in. on 02 at 06:06
Maximum windspeed	8.1 mph from 315°(NW) on 08 at 18:52
Maximum gust speed	18.4 mph from 135°(SE) on 08 at 18:52
Maximum heat index	88.6°F on 06 at 12:08
Avg daily max temp	79.0°F
Avg daily min temp	56.6°F

Day, Sunshine Hours, ET, Max Solar, UV
01 00:00hrs	ET :0.114 in.	0.0 W/m²	0.0 uv
02 00:36hrs	ET :0.079 in.	1151.0 W/m²	5.2 uv
03 06:36hrs	ET :0.114 in.	1056.0 W/m²	5.2 uv
04 07:54hrs	ET :0.130 in.	932.0 W/m²	5.4 uv
05 00:12hrs	ET :0.039 in.	424.0 W/m²	3.2 uv
06 07:00hrs	ET :0.122 in.	900.0 W/m²	5.1 uv
07 07:24hrs	ET :0.118 in.	884.0 W/m²	5.1 uv
08 05:36hrs	ET :0.134 in.	912.0 W/m²	4.8 uv
09 00:24hrs	ET :0.031 in.	281.0 W/m²	1.9 uv
10 05:42hrs	ET :0.110 in.	977.0 W/m²	4.9 uv
11 07:12hrs	ET :0.114 in.	868.0 W/m²	4.8 uv
12 07:36hrs	ET :0.102 in.	744.0 W/m²	3.6 uv
13 05:54hrs	ET :0.102 in.	951.0 W/m²	4.5 uv

Daily Rain Totals

01.58 in. on 1

01.86 in. on 2

00.01 in. on 5

00.71 in. on 9

00.12 in. on 10

00.06 in. on 13