Observations for: PIRU , CA
| Time | Wind | Temp | Dwpt | RH | ||
| mph | F | F | % | |||
| May 21 09:17PM PDT | W | 3 | Gust 6 | 55 | 46 | 73 |
| May 21 08:17PM PDT | NW | 3 | Gust 9 | 59 | 45 | 60 |
| May 21 07:17PM PDT | SW | 6 | Gust 15 | 61 | 41 | 48 |
| May 21 06:17PM PDT | SW | 9 | Gust 17 | 63 | 34 | 35 |
| May 21 05:17PM PDT | SW | 10 | Gust 19 | 64 | 33 | 32 |
| May 21 04:17PM PDT | SW | 11 | Gust 19 | 64 | 32 | 31 |
| May 21 03:17PM PDT | W | 11 | Gust 18 | 68 | 34 | 29 |
| May 21 02:17PM PDT | SW | 9 | Gust 17 | 66 | 32 | 28 |
| May 21 01:17PM PDT | W | 8 | Gust 17 | 64 | 32 | 31 |
| May 21 12:17PM PDT | W | 9 | Gust 16 | 64 | 32 | 31 |
| May 21 11:17AM PDT | SW | 2 | Gust 8 | 61 | 27 | 28 |
| May 21 10:17AM PDT | S | 4 | Gust 7 | 57 | 39 | 52 |
| May 21 09:17AM PDT | E | 3 | Gust 9 | 54 | 44 | 69 |
| May 21 08:17AM PDT | E | 6 | Gust 11 | 50 | 44 | 82 |
| May 21 07:17AM PDT | E | 3 | Gust 6 | 43 | 42 | 97 |
| May 21 06:17AM PDT | E | 3 | Gust 5 | 39 | 38 | 98 |