December,1999

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DECEMBER 1999

Norms for Long Island
Temp 34.3, High 41.9, Low 26.5,
Precipation 4.05", Snowfall 5.4",
Record High 72, Record Low -13

Weather Station 7' high, but still is not getting good wind speed. Needs to be mounted higher.

OBS 12/1 at 23:50
31 Degrees		Dew Point 11
Humidity 44%		Baro 30.20 S
Wind North 2		Highest Gust 20 @ 11:11
High 33 @ 13:34	........	Low 24 @ 06:39

A bright sunny, breezy, cold day with a storm just off shore. Wind chill -6 at 06:26

OBS 2nd at 23:50
Degrees 38		Dew Point 35
Humidity 68%		Baro 30.13 R
Wind NW 9		Highest Gust 16 @ 07:55
High 44 @ 13:55	........	Low 30 @ 01:43

Bright sunny day and a little milder, but still on the breezy side.

OBS 3rd at 23:45
31 Degrees		Dew Point 23
Humidity 74%		Baro 30.14 F
Wind N 1		Highest Gust 16 @ 01:55 @
High 45 @ 13:46	........	Low 30 @ 06:39

Another bright & sunny day with a little less wind and milder.

OBS 4th at 23:27
49 Degrees		Dew Point 35
Humidity 59%		Baro 30.11 F
Wind SW 1		Highest Gust 7 @ 12:54
High 56 @ 12:58	........	Low 28 @ 06:03

Clouds with a little sun in AM, partly sunny PM. Milder with very little wind.

OBS 5th at 23:50
42 Degrees		Dew Point 40
Humidity 45%		Baro 30.15 F
Wind calm		Highest Gust 13 @ 12:04
High 61 @ 14:33	........	Low 42 @ 23:59

Early clouds with a brief shower at 8 AM, 0.04", then a sunny and mild day.

OBS 6th at 23:41
52 Degrees		Dew Point 49
Humidity 87%		Baro 29.97 F
Wind SW 4		Highest Gust 11 @ 19:18
High 59 @ 13:31	........	Low 36 @ 07:02

A beautiful, sunny, mild day.

OBS 7th at 23:43
53 Degrees		Dew Point 52
Humidity 50%		Baro 29.75 F
Wind N 3		Highest Gust 11 @ 00:18
High 55 @ 07:58	........	Low 52 @ 21.54

Cloudy, showery day with some fog. Rainfall total .49. .28 from 7 AM until 4 PM and the remaining .21 from 4 PM to present. A 3 D day - dark, damp, dreary.

OBS 8th at 23:35
38 Degrees		Dew Point 29
Humidity 69%		Baro 30.19 R
Wind N 2		Highest Gust 24 @ 08:09
High 53 @ 13:30	........	Low 38 @ 23:35

More overnight rain for a total .84". Mostly sunny & breezy day, still above average temps.

OBS 9th at 23:55
32 Degrees		Dew Point 30
Humidity 94 %		Baro 30.16 F
Wind SW 1		Highest Gust 5 @ 09:17
High 54 @ 12:38	........	Low 29 @ 02:36

Another sunny almost cloudless day with little wind & mild temps

OBS 10th at 23:30
45 Degrees		Dew Point 31
Humidity 59%		Baro 29.73 R
Wind NW 10		Highest Gust 18 @ 21:52
High 55 @ 20.29	........	Low 31 @ 00:35

Cloudy day with light rain starting at 13:20. Total .10" Winds started to increase at 9 PM. Wind Advisory.

OBS 11th at 23:55
37 Degrees		Dew Point 24
Humidity 59%		Baro 29.87 F
Wind NW 5		Highest Gust 21 @ 00:05
High 45 @ 00:01	........	Low 37 @ 23:59

Sunny, cloudless day, but very windy from last night until this evening. NWS reported highest gust at 39.

OBS 12th at 23:55
28 Degrees		Dew Point 24
Humidity 85%		Baro 30.10 R
Wind N 2		Highest Gust 13 @ 10:26
High 46 @ 13:23	........	Low 28 @ 05:29

A sunny morning with high thin clouds moving in during the afternoon. Not a bad day.

OBS 13th at 23:56
Degrees		Dew Point 44
Humidity 99%		Baro 30.02 S
Wind NNE 3		Highest Gust 8 @ 11:48
High 51 @ 13:02	........	Low 26 @ 06:19

Some sun very early, then thickening & lowering clouds. Light rain started around 6 PM. Total so far .43"

OBS 14th at 23:55
46 Degrees		Dew Point 44
Humidity 94%		Baro 29:91 R
Wind NE 6		Highest Gust 19 @ 14:08
High 47 @ 21:33	........	Low 40 @ 11:19

Cloudy, rainy, breezy, raw day. Total rainfall from last night to current 1.07". NWS had gust for here in the 30's.

OBS 15th at 23:40
49 Degrees		Dew Point 49
Humidity 100%		Baro 29.92 F
Wind SW 4		Highest Gust 14 @ 05:38
High 50 @ 23:25	........	Low 44 @ 05:06

A cloudy, raw day with a little mist once in awhile. This evening more mist. Total rainfall from Monday evening to current 1.18"

OBS 16th at 23:55
37 Degrees		Dew Point 26
Humidity 46%		Baro 29.95 R
Wind WSW 3		Highest Gust 14 @ 15:35
High 52 @ 12:01	........	Low 37 @ current

A cloudy start to the day, but partly cloudy after 10 AM, a little breezy, but mild. Sprinkle at 18:45 for a trace of rain.

OBS 17th at 23:58
31 Degrees		Dew Point 22
Humidity 68%		Baro 30.17 R
Wind N 1		Highest Gust 10 @ 14:21
High 45 @ 14:44	........	Low 31 @ 23:33

A bright sunny day with deep blue sky and seasonable temps.

OBS 18th at 23:25
33 Degrees		Dew Point 22
Humidity 66%		Baro 30.36 R
Wind N 1		Highest Gust 8 @ 09:19
High 42 @ 13:40	........	Low 30 @ 06:52

A bright sunny day with deep blue sky. A few thin clouds by mid-afternoon with normal temps.

OBS 19th at 23:45
35 Degrees		Dew Point 29
Humidity 77%		Baro 30.39 S
Wind NE 2		Highest Gust 11 @ 08:59
High 41 @ 12:35	........	Low 32 @ 07:37

Another sunny day with deep blue skies, no clouds & seasonable temps.

OBS 20th at 23:44
56 Degrees		Dew Point 56
Humidity 100%		Baro 29.88 S
Wind SW 4		Highest Gust 17 @ 21:50
High 58 @21:45	........	Low 35 @ 00:01

A cloudy, damp day with some light rain, .08," from a passing warm front. Breezy in the evening with rising temps that set high for the day.

OBS 21st at 23:55
39 Degrees		Dew Point 24
Humidity 57%		Baro 30.13 R
Wind N 2		Highest Gust 14 @ 13:40
High 55 @ 00:01	........	Low 38 @ 19:59

More sun than clouds in AM. More clouds than sun in PM. Had a light shower at 19:00 that seemed to have some sleet in it. Total rainfall .01"

OBS 22nd at 23:55
27 Degrees		Dew Point 17
Humidity 67%		Baro 30.24 R
Wind NW 1		Highest Gust 10 @ 13:55
High 40 @ 13:18	........	Low 27 @ 21:06

Light wet snow from 8-9:30 AM left patches on the grass, which quickly melted. Melted total .02." Remainder of day was sunny.

OBS 23rd at 23:48
32 Degrees		Dew Point 17
Humidity 53%		Baro 30.06 R
Wind NW 5		Highest Gust 11 @ 12:53
High 41 @ 14:47	........	Low 23 @ 07:30

A cold start and a mostly sunny day.

OBS 24th at 23:55
22 Degrees		Dew Point 5
Humidity 47%		Baro 30.23 R
Wind N 6		Highest Gust 12 @ 03:28
High 32 @ 00:01	........	Low 22 @ 23:45

A sunny cold day. The first day this season that we didn't get above freezing.

OBS 25th at 23:47
25 Degrees		Dew Point 13
Humidity 60%		Baro 30.07 F
Wind W 2		Highest Gust 12 @ 03:38
High 28 @ 14:32	........	Low 16 @ 07:44

A sunny day with deep blue sky, but cold. Temps gone up 2 degrees in last hour.

OBS 26th at 23:35
33 Degrees		Dew Point 9
Humidity 37%		Baro 29.62 R
Wind NW 4		Highest Gust 16 @ 08:35
High 39 @ 10:57	........	Low 25 @ 00:01

Temps increased slowly overnight with a partly cloudy morning with increasing wind, & an overcast afternoon.

OBS 27th at 23:55
31 Degrees		Dew Point 20
Humidity 65%		Baro 29.76 R
Wind N 4		Highest Gust 13 @ 11:46
High 37 @ 12:02	........	Low 29 @ 04:51

A partly cloudy, breezy day, a little below norm temps.

OBS 28th at 23:50
26 Degrees		Dew Point 14
Humidity 60%		Baro 29.56 F
Wind N 1		Highest Gust 13 @ 03:02
High 31 @ 00:22	........	Low 20 @ 07:35

A sunny cold morning with increasing clouds in the PM.

OBS 29th at 23:30
38 Degrees		Dew Point 22
Humidity 52%		Baro 29.80 F
Wind W 5		Highest Gust 14 @ 11:56
High 38 @ 23:35	........	Low 26 @ 00:01

A mostly sunny, breezy day that wasn't quite so cold.

OBS 30th at 23:40
37 Degrees		Dew Point 30
Humidity 77%		Baro 29.92 R
Wind NW 1		Highest Gust 17 @ 02:46
High 52 @ 13:09	........	Low 36 @ 00:01

A mostly sunny, very mild day with some high thin clouds late.

OBS 31st at 23:59*
26 Degrees		Dew Point 24
Humidity 94%		Baro 30.17 R
Wind N 1		Highest Gust 8 @ 13:26
High 40 @ 03:46	........	Low 26 @ 23:59

A cloudy damp morning with a light shower at daybreak which changed to snow & left a few patches of snow on the grass. Rainfall total .08" A sunny afternoon. *Est of some data due to New Years. Recording done at 01:45.

**Stats for the month**
Average High 45.8	Average Low 30.9	Average Mean 38.3
Highest Wind Gust 24 on 12/8	.........	Rainfall Total 2.38"

Impressions: A milder than normal month with below normal rainfall & only a trace of snow twice.
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