National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2023-05-20 05:28 UTC
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673
CDUS41 KBOX 200528
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
128 AM EDT SAT MAY 20 2023
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 19 2023...
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)
YESTERDAY
MAXIMUM 69 238 PM 90 1949 67 2 64
1986
2017
MINIMUM 46 448 AM 38 1882 51 -5 53
AVERAGE 58 59 -1 59
PRECIPITATION (IN)
YESTERDAY 0.00 1.55 1900 0.10 -0.10 0.01
MONTH TO DATE 0.28 1.92 -1.64 0.48
SINCE MAR 1 7.67 9.72 -2.05 5.73
SINCE JAN 1 14.26 16.32 -2.06 12.67
SNOWFALL (IN)
YESTERDAY 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
DEGREE DAYS
HEATING
YESTERDAY 7 7 0 6
MONTH TO DATE 122 168 -46 158
SINCE MAR 1 1290 1492 -202 1322
SINCE JUL 1 4606 5430 -824 4944
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 27 11 16 22
SINCE MAR 1 32 15 17 22
SINCE JAN 1 32 15 17 22
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 13.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 500 AM
LOWEST 42 100 PM
AVERAGE 59
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 91 1996
MINIMUM TEMPERATURE (F) 51 40 1892
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.
$$