| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.55 | 0.03 |
| Feb | 0.68 | 0.59 | 0.09 |
| Mar | 1.26 | 1.23 | 0.03 |
| Apr | 2.41 | 2.43 | -0.02 |
| May | 3.43 | 3.45 | -0.02 |
| Jun | 4.08 | 4.21 | -0.13 |
| Jul | 3.61 | 3.47 | 0.14 |
| Aug | 3.21 | 3.07 | 0.14 |
| Sep | 2.84 | 2.90 | -0.06 |
| Oct | 2.05 | 2.11 | -0.06 |
| Nov | 0.97 | 0.94 | 0.03 |
| Dec | 0.77 | 0.74 | 0.03 |
25.89 | 25.69 | 0.20 |