| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.80 | 2.83 | -0.03 |
| Feb | 3.02 | 3.11 | -0.09 |
| Mar | 3.87 | 3.89 | -0.02 |
| Apr | 3.56 | 3.66 | -0.10 |
| May | 4.69 | 4.87 | -0.18 |
| Jun | 3.93 | 3.85 | 0.08 |
| Jul | 2.14 | 2.24 | -0.10 |
| Aug | 2.43 | 2.48 | -0.05 |
| Sep | 3.00 | 3.07 | -0.07 |
| Oct | 4.71 | 4.81 | -0.10 |
| Nov | 3.34 | 3.33 | 0.01 |
| Dec | 3.59 | 3.65 | -0.06 |
41.08 | 41.79 | -0.71 |