202
CDUS41 KBOX 202120
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
520 PM EDT SAT MAY 20 2023
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 20 2023
VALID AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 64 359 PM 91 1996 68 -4 66
MINIMUM 53 325 AM 40 1892 51 2 52
AVERAGE 59 60 -1 59
PRECIPITATION (IN)
TODAY 0.58 1.23 1969 0.11 0.47 T
MONTH TO DATE 0.86 2.03 -1.17 0.48
SINCE MAR 1 8.25 9.83 -1.58 5.73
SINCE JAN 1 14.84 16.43 -1.59 12.67
SNOWFALL (IN)
TODAY 0.0 0.0 2000 0.0 0.0 0.0
2001
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 0.9 10.6 -9.7 2.1
SINCE JUL 1 12.4 49.2 -36.8 54.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 6 6 0 6
MONTH TO DATE 128 174 -46 164
SINCE MAR 1 1296 1498 -202 1328
SINCE JUL 1 4612 5436 -824 4950
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 27 12 15 22
SINCE MAR 1 32 16 16 22
SINCE JAN 1 32 16 16 22
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 PM
LOWEST 77 1200 AM
AVERAGE 89
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1921
MINIMUM TEMPERATURE (F) 52 41 1907
SUNRISE AND SUNSET
MAY 20 2023...........SUNRISE 518 AM EDT SUNSET 804 PM EDT
MAY 21 2023...........SUNRISE 517 AM EDT SUNSET 805 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page