| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.55 | 4.46 | 0.09 |
| Feb | 4.48 | 4.48 | 0.00 |
| Mar | 4.64 | 4.60 | 0.04 |
| Apr | 3.76 | 3.86 | -0.10 |
| May | 3.57 | 3.55 | 0.02 |
| Jun | 4.73 | 4.78 | -0.05 |
| Jul | 4.07 | 4.16 | -0.09 |
| Aug | 4.69 | 4.44 | 0.25 |
| Sep | 3.86 | 4.02 | -0.16 |
| Oct | 3.34 | 3.30 | 0.04 |
| Nov | 3.79 | 3.89 | -0.10 |
| Dec | 4.60 | 4.72 | -0.12 |
50.08 | 50.26 | -0.18 |