| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.60 | -0.10 |
| Feb | 2.84 | 2.93 | -0.09 |
| Mar | 3.80 | 3.77 | 0.03 |
| Apr | 3.79 | 3.85 | -0.06 |
| May | 4.45 | 4.37 | 0.08 |
| Jun | 4.42 | 4.39 | 0.03 |
| Jul | 3.93 | 4.08 | -0.15 |
| Aug | 3.62 | 3.41 | 0.21 |
| Sep | 4.52 | 4.57 | -0.05 |
| Oct | 3.46 | 3.39 | 0.07 |
| Nov | 3.36 | 3.27 | 0.09 |
| Dec | 3.66 | 3.67 | -0.01 |
45.35 | 45.30 | 0.05 |