Wednesday  December 13, 2017 

The 347th day of 2017

Highs and Lows

  High Low
Temperature 26.6°F @ 2:42 PM 17.5°F @ 6:04 AM
Dew Point 13.4°F @ 12:09 AM 3.7°F @ 3:45 PM
Humidity 62% @ 7:11 AM 38% @ 3:29 PM
Wind Gust W 16 mph @ 8:25 AM W 0 mph @ 12:00 AM
Wind Speed W 6 mph @ 11:59 AM S 0 mph @ 12:31 AM
Sunshine 288 W/m2 @ 12:54 PM
Precipitation Last precipitation was yesterday
Barometer 29.495" @ 3:38 PM 29.387" @ 12:23 AM
Wind Chill Gust 27°F @ 2:43 PM 4°F @ 8:25 AM
Wind Chill Avg 27°F @ 2:42 PM 9°F @ 7:32 AM
UV Index 0.0 @ 12:00 AM

 

Averages

  Last 5 minutes  Current Hour  Today 
Temperature °F 25.8 26.2 21.4
Dew Point °F 4.2 4.7 7.1
Humidity 39% 39.1% 53.8%
Wind Gust 295° @ 1.5 mph 271° @ 1.6 mph 278° @ 2.0 mph
Sunshine (W/m2) 10.5 16.2 43.6
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 29.495 29.488 29.428
Wind Chill °F 24.5 24.6 19.0
UV Index 0.00 0.00 0.00

 

Hourly Observations

Hour Temperature (°F) Humi-
dity

(%)
Wind
(mph)
Pressure Rain (in) Sun
(W/m2)
UV ET
(in)
Air 6 Hour Dew Alt
(in Hg.)
Sea
Level

(mb)
1 hr 3 hr 6 hr Day Rate
Max Min Day
15:00 26.6 5.0 39 W 2 G 9 29.48 998.2 0.00 0.00 21 0.0 0.021
14:00 25.8 7.9 46 SW 2 G 8 29.45 997.4 0.00 0.00 35 0.0 0.020
13:00 24.5 24.5 17.7 8.5 50 W 4 G 8 29.45 997.3 0.00 0.00 195 0.0 0.018
12:00 22.2 8.1 54 W 6 G 11 29.45 997.2 0.00 0.00 95 0.0 0.016
11:00 22.1 7.6 53 W 3 G 10 29.44 997.1 0.00 0.00 98 0.0 0.015
10:00 20.3 5.9 53 WSW 3 G 8 29.45 997.3 0.00 0.00 74 0.0 0.013
09:00 19.1 4.8 53 W 3 G 9 29.44 997.1 0.00 0.00 76 0.0 0.011
08:00 17.8 5.9 59 W 2 G 8 29.42 996.2 0.00 0.00 35 0.0 0.010
07:00 17.7 23.9 17.5 6.5 61 WSW 2 G 6 29.41 995.9 0.00 0.00 0 0.0 0.010
06:00 17.7 5.4 58 W 2 G 8 29.39 995.3 0.00 0.00 0 0.0 0.009
05:00 18.1 4.6 55 W 3 G 8 29.40 995.5 0.00 0.00 0 0.0 0.008
04:00 19.9 5.9 54 WNW 2 G 9 29.40 995.7 0.00 0.00 0 0.0 0.007
03:00 20.6 7.8 57 WNW 1 G 7 29.42 996.2 0.00 0.00 0 0.0 0.006
02:00 21.6 8.3 56 WSW 0 G 6 29.42 996.2 0.00 0.00 0 0.0 0.005
01:00 23.9 36.2 23.9 10.9 57 W 2 G 7 29.40 995.7 0.00 0.00 0 0.0 0.004
00:00 26.0 13.2 58 WNW 1 G 5 29.40 995.5 0.22 0.00 0 0.0 0.003

 

Totals

  Today Month Year/Season
Wind Run (miles) 31.8 115.1 3581.7
Sunshine Minutes
(Sunshine intensity > 120 W/m2)
127 1,804 84,237
Precipitation (inches) 0.00 0.79 31.86
Evapotranspiration (inches) 0.021 0.056 1.253
Degree Days
Heating (Base 65°F)
Cooling (Base 65°F)
 
42
0
 
411
0
 
1355
803

 

Sunrise, Sunset

Twilight begins  6:52 AM
Sunrise  7:13 AM
Sunset  4:25 PM
Twilight ends  4:46 PM

 

The Moon

Phase: Waning Crescent; Moon at 25 days in cycle
Waning Crescent
 Moonrise  2:33 AM
 Moonset  2:05 PM

 

Observed Conditions

Precipitation types  none
Snowfall today  0.0"
Snow on the ground  0"
Snowfall this season  5.6"

 

Observer Notes for Today

 None.

 

Normals and Records

Normals for December 131
High Temperature:
Low Temperature:
Mean Temperature:
Rainfall:
Snowfall:
39.0°F
24.0°F
32.0°F
0.12"
0.0"
Central Park records for December 13
High Temperature:
Low Temperature:
Rainfall:
Snowfall:
64°F (1923)
8°F (1960)
3.03" (1909)
8.0" (1917)
1 1971-2000 for COOP station 309670

 

This Date Last Year

  High Low Mean/Total
Temperature 40.5°F @ 1:03 PM 31.0°F @ 8:00 AM 35.2°F
Dew Point 29.5°F @ 12:00 AM 20.0°F @ 5:43 AM 23.2°F
Humidity 85% @ 12:00 AM 44% @ 1:02 PM 62.0%
Wind Gust SW 7 mph @ 11:01 AM WSW 0 mph @ 12:00 AM 231° @ 0.2 mph
Wind Speed SSW 4 mph @ 2:49 PM WSW 0 mph @ 12:00 AM  
Sunshine (W/m2) 411 @ 11:06 AM 44.4
Precipitation none
Evapotranspiration     0.024"
Barometer 30.105" @ 10:08 AM 29.935" @ 12:00 AM 30.021"
Wind Chill Gust 41°F @ 1:03 PM 27°F @ 3:02 AM  
Wind Chill Avg 41°F @ 1:03 PM 31°F @ 8:00 AM 35.2°F
UV Index 0.0 @ 12:00 AM 0.00
Snowfall 0.0"  
Snowcover 0"

0.0084