| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.78 | -0.05 |
| Feb | 3.01 | 3.07 | -0.06 |
| Mar | 3.85 | 3.93 | -0.08 |
| Apr | 3.67 | 3.72 | -0.05 |
| May | 4.76 | 4.97 | -0.21 |
| Jun | 3.90 | 3.91 | -0.01 |
| Jul | 2.16 | 2.26 | -0.10 |
| Aug | 2.46 | 2.45 | 0.01 |
| Sep | 3.03 | 3.10 | -0.07 |
| Oct | 4.71 | 4.77 | -0.06 |
| Nov | 3.39 | 3.40 | -0.01 |
| Dec | 3.58 | 3.63 | -0.05 |
41.25 | 41.99 | -0.74 |