


Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
990 CDUS46 KMTR 030839 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 139 AM PDT WED SEP 03 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1930 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 92 1:08 PM 111 1952 87 5 82 MINIMUM 62 11:59 PM 45 1970 56 6 58 AVERAGE 77 72 5 70 PRECIPITATION (IN) YESTERDAY T 0.01 2000 0.00 0.00 0.00 2000 2013 MONTH TO DATE T 0.00 0.00 0.00 SINCE OCT 1 8.68 15.10 -6.42 14.23 SINCE JAN 1 4.49 9.87 -5.38 11.04 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JUL 1 0 7 -7 2 COOLING YESTERDAY 12 7 5 5 MONTH TO DATE 29 14 15 9 SINCE SEP 1 29 14 15 9 SINCE JAN 1 616 640 -24 931 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 8.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 78 10:00 PM LOWEST 28 11:00 AM AVERAGE 53 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 115 1950 MINIMUM TEMPERATURE (F) 56 44 1970 SUNRISE AND SUNSET SEPTEMBER 3 2025.....SUNRISE 6:39 AM PDT SUNSET 7:33 PM PDT SEPTEMBER 4 2025.....SUNRISE 6:40 AM PDT SUNSET 7:31 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$