| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.45 | 0.00 |
| Feb | 0.71 | 0.67 | 0.04 |
| Mar | 1.26 | 1.23 | 0.03 |
| Apr | 2.90 | 2.77 | 0.13 |
| May | 4.09 | 4.18 | -0.09 |
| Jun | 3.90 | 4.20 | -0.30 |
| Jul | 3.05 | 2.82 | 0.23 |
| Aug | 3.07 | 2.99 | 0.08 |
| Sep | 2.49 | 2.59 | -0.10 |
| Oct | 2.15 | 2.03 | 0.12 |
| Nov | 0.77 | 0.75 | 0.02 |
| Dec | 0.59 | 0.53 | 0.06 |
25.43 | 25.21 | 0.22 |