| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.36 | -0.10 |
| Feb | 2.92 | 2.97 | -0.05 |
| Mar | 3.70 | 3.85 | -0.15 |
| Apr | 3.89 | 3.99 | -0.10 |
| May | 3.60 | 3.66 | -0.06 |
| Jun | 4.34 | 4.43 | -0.09 |
| Jul | 4.08 | 4.09 | -0.01 |
| Aug | 4.08 | 4.18 | -0.10 |
| Sep | 4.36 | 4.36 | 0.00 |
| Oct | 4.69 | 4.74 | -0.05 |
| Nov | 3.64 | 3.64 | 0.00 |
| Dec | 4.08 | 4.29 | -0.21 |
46.64 | 47.56 | -0.92 |