000 CDUS46 KMTR 050029 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO, CA 527 PM PDT SAT MAY 4 2002 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 4 2002... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1971 TO 2000 SNOW/HEATING DEGREE DAYS 1961-1990 CLIMATE RECORD PERIOD 1927 TO 2002 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) TODAY MAXIMUM 63 1154 AM 91 1987 66 -3 77 MINIMUM 49 524 AM 41 1965 49 0 52 AVERAGE 56 57 -1 65 PRECIPITATION (IN) TODAY 0.00 0.48 1998 0.02 -0.02 0.00 MONTH TO DATE 0.00 0.08 -0.08 0.00 SINCE JUL 1 18.65 19.69 -1.04 16.08 SINCE JAN 1 5.19 12.97 -7.78 12.56 SNOWFALL (IN) TODAY 0.0 MONTH TO DATE 0.0 SINCE MAR 1 0.0 SINCE JUL 1 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 9 8 1 0 MONTH TO DATE 41 32 9 8 SINCE MAR 1 621 682 -61 624 SINCE JUL 1 2372 2709 -337 2618 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 3 SINCE MAR 1 0 4 -4 3 SINCE JAN 1 0 4 -4 3 .................................................................. WIND (MPH) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 10.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 80 200 AM LOWEST 60 1100 AM AVERAGE 70 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 91 1987 MINIMUM TEMPERATURE (F) 50 41 1965 SUNRISE AND SUNSET MAY 4 2002...........SUNRISE 611 AM PDT SUNSET 802 PM PDT MAY 5 2002...........SUNRISE 610 AM PDT SUNSET 803 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && --------------------------------------------------------------------- TEMPERATURE SUMMARIES FOR SELECTED LOCATIONS NATIONAL WEATHER SERVICE SAN FRANCISCO CA 530 PM PDT SAT MAY 4 2002 TEMPERATURE CLIMATOLOGY FOR MAY 4 2002 . -------------------------------------------------------------------- MAY MAY HIGHEST LOWEST RECORDS SET ON 4 4 SINCE SINCE MAY 4 HI LO NORMS JAN 1 JUL 1 HI YEAR LO YEAR -------------- ----- ----- --------- --------- ------- ------- SAN FRANCISCO 57 47 65 51 78 FEB 27 36 JAN 28 84 1935 45 1975 SFO AIRPORT 63 49 66 49 76 APR 23 35 JAN 30 91 1987 41 1965 OAKLAND 65 50 68 52 81 APR 13 35 JAN 30 91 1987 43 1975 OAK AIRPORT 64 50 70 52 78 APR 22 29 JAN 30 89 1987 39 1942 MOFFETT NAS 68 45 69 50 81 APR 13 31 JAN 31 94 1987 41 1952 SAN JOSE 75 47 75 51 84 APR 13 31 JAN 30 94 1990 38 UNK SANTA ROSA 67 44 72 47 83 APR 23 27 JAN 29 90 1935 33 1950 -------------------------------------------------------------------- ALL NORMALS ARE 1971-2000 AVERAGE EXCEPT MOFFETT NAS WHICH IS A 1961-1990 AVERAGE. ..................................................................... PRECIPITATION DATA FOR SELECTED LOCATIONS NATIONAL WEATHER SERVICE SAN FRANCISCO CA 530 PM PDT SAT MAY 4 2002 PRECIPITATION DATA AS OF 5 PM FOR SELECTED CALIFORNIA LOCATIONS ------------------------------------------------------------------- NORMALS ARE LAST JUL 1- JUL 1- JUL 1- JUL 1- 1971-2000 24 MAY 4 MAY 4 MAY 4 JUN 30 AVERAGES. HOURS 2002 PON 2001 PON NORMAL NORMAL -------------- ----- ----------- ----------- ------ ------ BAKERSFIELD 0.00 3.46 56 5.77 94 6.17 6.49 EUREKA 0.00 39.85 110 21.45 59 36.10 38.10 FRESNO 0.00 6.63 62 10.56 99 10.69 11.23 OAKLAND 0.00 20.84 93 18.10 81 22.37 22.94 REDDING 0.00 28.20 90 29.02 92 31.41 33.52 SACRAMENTO 0.00 15.27 80 17.17 90 19.17 19.87 SFO AIRPORT 0.00 18.65 95 16.08 82 19.69 20.10 SAN FRANCISCO 0.00 24.18 111 19.32 89 21.69 22.28 SAN JOSE 0.00 10.68 73 13.54 93 14.62 15.08 SANTA ROSA 0.00 31.56 105 20.66 69 30.11 31.01 LOS ANGELES 0.00 4.36 29 17.94 121 14.81 15.14 SAN DIEGO 0.00 3.02 29 8.59 82 10.52 10.77 ------------------------------------------------------------------- PON - PERCENT OF NORMAL FOLLOWS THE JUL 1 - MAY 4 AMOUNTS. TRACE AMOUNTS ARE LISTED AS TRACE. SACRAMENTO DATA REFLECTS DOWNTOWN SACRAMENTO. NNNN