| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.15 | 0.06 |
| Feb | 1.77 | 1.88 | -0.11 |
| Mar | 2.30 | 2.45 | -0.15 |
| Apr | 3.53 | 3.59 | -0.06 |
| May | 4.32 | 4.33 | -0.01 |
| Jun | 4.78 | 4.83 | -0.05 |
| Jul | 4.36 | 4.41 | -0.05 |
| Aug | 3.53 | 3.60 | -0.07 |
| Sep | 3.05 | 3.21 | -0.16 |
| Oct | 3.12 | 3.25 | -0.13 |
| Nov | 2.61 | 2.66 | -0.05 |
| Dec | 2.09 | 2.16 | -0.07 |
37.67 | 38.52 | -0.85 |