BWS Daily Climatology Written Summary

BWS Daily Climatology Table One

BWS Daily Climatology Table Two

BWS Daily Climatology Graphs

November 1 2017 to November 22 2017


(Compiled: Thursday, November 23, 2017 07:29)

Written Summary   Table One   Table Two   Graphs  
Notes:
1. Mean daily temperature and pressure are averaged from the standard 24 hourly observations and not as the average of the maximum and minimum values.
2. Precipitation day has = or >0.01". Trace amounts (< 0.01") are not included in data.
3. Departures from the normal are based on the 1971 to 2000 normals where available (with the exception of the Sea Surface Temperature, which is based on the 1985 to 2000 normal).
Notes:
1. Mean humidity is averaged from the standard 24 hourly observations.
2. Weather Notes indicate a specific condition was observed at least once that day.
3. Departures from the normal are based on the 1971 to 2000 normals where available (with the exception of the Sea Surface Temperature, which is based on the 1985 to 2000 normal).
Key:
PN = Precipitation, PC = Partly Cloudy, MC = Mostly Cloudy, OV = Overcast, DZ = Drizzle, SH = Showers, BS = Blowing Spray GR = Hail, FC = Funnel Cloud, HZ = Haze, RA = Rain, BR = Mist, TS = Thunder Storm/Shower
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Last edited: Thursday, November 23, 2017

Wednesday the 1st began with rain and drizzle which produced 0.50" of rain. As a frontal boundary cleared to the west 7.0 hours of sunshine followed. The was 80F/26C with a low of 65F/18C. Partly cloudy skies yielded 9.6 hours of sunshine on November 2nd. The high was 79F/26C and the low was 70F/21C. On Friday the 3rd a few nocturnal showers produced 0.8" of rainfall but otherwise fair skies lead to 8.8 hours of sunshine. The high was 78F/26C and the low was 69F/20C. An upper level shortwave trough produced mostly cloudy skies during the day on the 4th, though it remained dry. Continued light winds with a high of 76F/25C and a low of 69F/21C was observed. A weak surface trough moved through the base of the ridge on the 5th producing morning cloudiness and .09" of rainfall. Winds were very light, the high reached 78F/26C under afternoon sunshine and the low was 68F/20C. The 6th was very pleasant day, largely sunny with calm to light winds. Some rain sprinkles developed in the evening, giving .01" of precipitation. Otherwise, 8.8 hour of sunshine were recorded with a max of 78F/26C and a low of 70F/21C. The 7th of the month was a sunny day thanks to high pressure near overhead. 9.8 hours of sunshine were recorded, along with a max of 68F/26C and a low of 69F/20C. High pressure provided high pressure for Wednesday the 8th. There was 8.2 hours of sunshine and no rainfall with a high of 78F/26C and a low of 69F/20C. High pressure to our south caused a frontal boundary to stall near to our north on Thursday the 9th. While there were showers in the northern marine area, no precipitation was recorded at the station. Conditions remained fair with 5.1 hours of sunshine. The high was 78F/26C and the low was 73F/23C. Temperatures on Friday November 10th were again slightly above seasonal with a high of 78F/26C and a low of 72F/22C. High clouds obscured the sun considerably lending to 2.6 hours of recorded sunshine. On the 11th a cold front swept across the region. Early morning sunshine allowed for 0.8 hours of sun to be recorded, then skies turned overcast with showers producing 0.44" of rainfall. The high was 75F/24C and the low fell to 68F/20C. A stable post-frontal day on the 12th until a surface trough moved through late producing .15" of rainfall. The high reached 75F/23.9C under 8.0 hours of sunshine while the low dipped to 68F/20C. The 13th saw fair skies though low pressure troughing lingered nearby and produced .06" of rainfall. Breezy at times with a high 76F/25C and a low of 66F/19C. A frontal trough slowly crossed Bermuda on the 14th, delivering overcast skies all day and 0.06" of precipitation. The low was 76F/24C and the low 70F/21C. Good spell of sunshine developed on the 15th, behind the frontal boundary with 8.8 hours of sunshine. 0.06" of precipitation were recorded along with a maximum of 76F/25C and a low of 68F/20C. High pressure provided fine weather for Thursday the 16th. There was 9.7 hours of sunshine and no rainfall with a high of 75F/24C and a low of 67F/20C. A passing cold front brought 0.05" of rain on Friday the 17th. Morning and afternoon sunshine totaled 4.5 hours. The high was 78F/25C and the low was 66F/19C. High pressure nosed in from the west and slowly cleared the cloud cover resulting in 7.3 hours of sunshine for November 18th. It was a fresh start to the day with a low of 65F/18C and it only climbed 71F/22C. No rainfall was recorded. On Sunday the 19th skies were fair with 4.6 hours of recorded sunshine. In steady southerly flow the temperature climbed above seasonal to 76F/24C. The low was 66F/18C. A cold front swept through on the morning of the 20th which produced .71" of rainfall and brief gusts to 35 knots. The low dipped to 64F/18C during the rain, while the high before the front climbed to 77F/25C. The 21st was dry with 7.0 hours of sunshine as high pressure passed to our north. It stayed breezy while the high reached 72F/22C and the low fell to 66F/19C. Skies were overcast throughout the 22nd, when 0.17" of rain were recorded, along with a max of 74F/24C and a low of 68F/20C.

Produced by the Bermuda Weather Service
Unless otherwise stated, all statistical data are based on observations taken at the Bermuda International Airport.
 Mean Temp.
(°C/°F)
Max Temp.
(°C/°F)
Min Temp.
(°C/°F)
Daily Precip.
Inches
Accumulated Precip.
Inches
Year To Date Precip.
Inches
Sea Surface Temp.
(C/F)
Mean
Sea Level Pressure
" Hg / hPa
Max
Sea Level Pressure
" Hg / hPa
Min
Sea Level Pressure
" Hg / hPa
Total   2.38      
Mean22.4 / 72.424.7 / 76.519.9 / 67.9   24.6 / 76.330.06 / 1018.0  
Departure
From Norm.
0.6 / 1.10.7 / 1.30.5 / 0.9-1.64  2.2 / 4.0   
Max23.8 / 74.926.4 / 79.5 0.71  25.1 / 77.230.29 / 1025.730.34 / 1027.4 
Min20.2 / 68.3 17.7 / 63.9   22.2 / 72.029.89 / 1012.2 29.85 / 1010.8
 Mean Temp.
(°C/°F)
Max Temp.
(°C/°F)
Min Temp.
(°C/°F)
Daily Precip.
Inches
Accumulated Precip.
Inches
Year To Date Precip.
Inches
Sea Surface Temp.
(C/F)
Mean
Sea Level Pressure
" Hg / hPa
Max
Sea Level Pressure
" Hg / hPa
Min
Sea Level Pressure
" Hg / hPa
11/1/201723.6 / 74.526.4 / 79.518.1 / 64.60.500.5044.7724.9 / 76.830.13 / 1020.330.20 / 1022.730.05 / 1017.6
11/2/201723.3 / 73.925.9 / 78.621.2 / 70.20.000.5044.7724.9 / 76.830.16 / 1021.330.21 / 1023.030.10 / 1019.3
11/3/201722.5 / 72.625.6 / 78.120.4 / 68.70.080.5844.8524.9 / 76.830.06 / 1018.030.11 / 1019.630.02 / 1016.6
11/4/201722.7 / 72.824.5 / 76.120.8 / 69.40.000.5844.8524.9 / 76.830.04 / 1017.330.07 / 1018.330.01 / 1016.3
11/5/201722.8 / 73.125.7 / 78.320.0 / 68.00.090.6744.9424.9 / 76.830.10 / 1019.330.14 / 1020.730.05 / 1017.6
11/6/201723.1 / 73.625.6 / 78.121.0 / 69.80.010.6844.9524.9 / 76.830.10 / 1019.330.15 / 1021.030.06 / 1017.9
11/7/201723.2 / 73.825.7 / 78.320.4 / 68.70.000.6844.9525.1 / 77.230.04 / 1017.330.10 / 1019.330.01 / 1016.3
11/8/201723.3 / 73.925.7 / 78.320.3 / 68.50.000.6844.9525.1 / 77.230.01 / 1016.330.06 / 1017.929.99 / 1015.6
11/9/201723.8 / 74.925.8 / 78.422.5 / 72.50.000.6844.9525.1 / 77.230.05 / 1017.630.09 / 1019.030.00 / 1015.9
11/10/201723.6 / 74.525.8 / 78.422.0 / 71.60.000.6844.9525.0 / 77.030.03 / 1016.930.07 / 1018.329.99 / 1015.6
11/11/201721.9 / 71.524.0 / 75.220.0 / 68.00.441.1245.3925.0 / 77.030.11 / 1019.630.21 / 1023.029.99 / 1015.6
11/12/201722.0 / 71.623.9 / 75.019.7 / 67.50.151.2745.5425.0 / 77.030.22 / 1023.430.27 / 1025.130.17 / 1021.7
11/13/201722.5 / 72.524.5 / 76.119.0 / 66.20.061.3345.6025.0 / 77.030.11 / 1019.630.19 / 1022.430.22 / 1023.4
11/14/201722.6 / 72.724.2 / 75.621.0 / 69.80.061.3945.6625.0 / 77.029.96 / 1014.630.03 / 1016.929.89 / 1012.2
11/15/201722.3 / 72.124.5 / 76.120.0 / 68.00.061.4545.7225.0 / 77.029.89 / 1012.229.92 / 1013.229.85 / 1010.8
11/16/201721.9 / 71.323.7 / 74.719.5 / 67.10.001.4545.7224.1 / 75.429.95 / 1014.229.99 / 1015.629.90 / 1012.5
11/17/201721.5 / 70.725.4 / 77.719.1 / 66.40.051.5045.7724.1 / 75.429.91 / 1012.929.98 / 1015.229.86 / 1011.2
11/18/201720.2 / 68.321.9 / 71.418.1 / 64.60.001.5045.7724.1 / 75.430.02 / 1016.630.07 / 1018.329.96 / 1014.6
11/19/201722.4 / 72.324.2 / 75.618.9 / 66.00.001.5045.7724.1 / 75.429.98 / 1015.230.05 / 1017.629.91 / 1012.9
11/20/201721.0 / 69.824.8 / 76.617.7 / 63.90.712.2146.4824.1 / 75.430.05 / 1017.630.24 / 1024.029.89 / 1012.2
11/21/201720.5 / 69.022.4 / 72.318.7 / 65.70.002.2146.4824.1 / 75.430.29 / 1025.730.34 / 1027.430.23 / 1023.7
11/22/201722.5 / 72.523.7 / 74.720.1 / 68.20.172.3846.6522.2 / 72.030.06 / 1018.030.25 / 1024.429.87 / 1011.5
 Hours Of
Sunshine
Mean
R.H.
%
Absolute
Max. R.H.
%
Absolute
Min. R.H.
%
Max Of
Mean Wind
knots / °
Peak
Wind
knots / °
Sky Conditions / Weather Notes
PN PC MC OV DZ SH RA GR TS FC HZ BS BR
Total126.8         
122121112124000001
Mean5.878.091.865.3      
             
Departure
From Norm.
          
-1            
Max9.8 100.0 27  36  
             
Min0.0  44.0      
             
 Hours Of
Sunshine
Mean
R.H.
%
Absolute
Max. R.H.
%
Absolute
Min. R.H.
%
Max Of
Mean Wind
knots / °
Peak
Wind
knots / °
Sky Conditions / Weather Notes
PN PC MC OV DZ SH RA GR TS FC HZ BS BR
11/1/2017787997014 / 14018 / 080
PNPCMCOVDZSH
11/2/20179.679.5916614 / 11018 / 100
PC
11/3/20178.884.498709 / 13012 / 090
PNPCMCSH
11/4/2017480.689739 / 10016 / 050
PCMC
11/5/20173.584.8997513 / 10019 / 100
PNPCMCSH
11/6/20178.486.7967311 / 31014 / 310
PNPCMCSH
11/7/20179.882.8996910 / 34016 / 320
PCMC
11/8/20178.281.41006614 / 28019 / 250
PCMC
11/9/20175.181.6887215 / 27018 / 260
PCMC
11/10/20172.687.31007214 / 24017 / 230
PCMCOV
11/11/20170.890.81007521 / 04030 / 060
PNPCMCOVSHRA
11/12/2017884997118 / 05025 / 050
PNPCMCOVSH
11/13/20177.588.3997819 / 15024 / 100
PNPCMCOVDZSHRA
11/14/2017090958211 / 04017 / 040
PNMCOVSH
11/15/20178.876.1946320 / 03029 / 030
PNPCMCOVSH
11/16/20179.761735515 / 07022 / 070
PCMC
11/17/20174.564.2994913 / 36017 / 230
PNPCMCOVSH
11/18/20177.353.9604917 / 02025 / 050
PCMC
11/19/20174.659.5784424 / 24030 / 240
PCMC
11/20/20171.670.81005025 / 31035 / 340
PNPCMCOVSHRA
11/21/2017759.3665121 / 14026 / 140
PCMCOV
11/22/2017081.2986327 / 20036 / 200
PNPCMCOVSHRABR