| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.46 | -0.11 |
| Feb | 2.71 | 2.83 | -0.12 |
| Mar | 3.81 | 3.88 | -0.07 |
| Apr | 3.90 | 3.93 | -0.03 |
| May | 3.96 | 4.00 | -0.04 |
| Jun | 4.75 | 4.77 | -0.02 |
| Jul | 4.58 | 4.58 | 0.00 |
| Aug | 4.48 | 4.72 | -0.24 |
| Sep | 4.57 | 4.60 | -0.03 |
| Oct | 4.44 | 4.74 | -0.30 |
| Nov | 3.36 | 3.32 | 0.04 |
| Dec | 4.00 | 4.22 | -0.22 |
47.91 | 49.05 | -1.14 |