| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.90 | -0.05 |
| Feb | 0.85 | 0.88 | -0.03 |
| Mar | 1.68 | 1.68 | 0.00 |
| Apr | 2.94 | 2.92 | 0.02 |
| May | 4.16 | 4.18 | -0.02 |
| Jun | 4.97 | 4.98 | -0.01 |
| Jul | 4.11 | 4.33 | -0.22 |
| Aug | 4.44 | 4.36 | 0.08 |
| Sep | 3.39 | 3.26 | 0.13 |
| Oct | 2.62 | 2.60 | 0.02 |
| Nov | 1.59 | 1.60 | -0.01 |
| Dec | 1.17 | 1.22 | -0.05 |
32.77 | 32.91 | -0.14 |