| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.53 | 0.04 |
| Feb | 2.75 | 2.78 | -0.03 |
| Mar | 3.87 | 3.93 | -0.06 |
| Apr | 3.87 | 3.87 | 0.00 |
| May | 4.04 | 4.12 | -0.08 |
| Jun | 4.69 | 4.75 | -0.06 |
| Jul | 4.73 | 4.72 | 0.01 |
| Aug | 4.76 | 4.81 | -0.05 |
| Sep | 4.42 | 4.72 | -0.30 |
| Oct | 4.51 | 4.76 | -0.25 |
| Nov | 3.46 | 3.40 | 0.06 |
| Dec | 4.26 | 4.35 | -0.09 |
48.93 | 49.74 | -0.81 |