National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-05-21 06:10 UTC
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095
CDUS41 KBOX 210610
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
210 AM EDT FRI MAY 21 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 20 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 1053 AM 91 1996 68 1 58
MINIMUM 55 436 AM 40 1892 51 4 45
AVERAGE 62 60 2 52
PRECIPITATION (IN)
YESTERDAY 0.00 1.23 1969 0.11 -0.11 0.00
MONTH TO DATE 1.60 2.03 -0.43 2.12
SINCE MAR 1 7.93 9.83 -1.90 10.05
SINCE JAN 1 13.00 16.43 -3.43 14.74
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 T
SINCE MAR 1 0.2 10.6 -10.4 0.7
SINCE JUL 1 38.6 49.2 -10.6 15.8
DEGREE DAYS
HEATING
YESTERDAY 3 6 -3 13
MONTH TO DATE 114 174 -60 234
SINCE MAR 1 1238 1498 -260 1553
SINCE JUL 1 5015 5436 -421 4936
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 16 12 4 1
SINCE MAR 1 16 16 0 1
SINCE JAN 1 16 16 0 1
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 500 AM
LOWEST 45 1200 PM
AVERAGE 65
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1921
MINIMUM TEMPERATURE (F) 52 41 1907
SUNRISE AND SUNSET
MAY 21 2021...........SUNRISE 517 AM EDT SUNSET 805 PM EDT
MAY 22 2021...........SUNRISE 516 AM EDT SUNSET 806 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$