| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.65 | -0.05 |
| Feb | 2.84 | 2.92 | -0.08 |
| Mar | 4.06 | 4.23 | -0.17 |
| Apr | 3.97 | 3.96 | 0.01 |
| May | 4.16 | 4.16 | 0.00 |
| Jun | 4.50 | 4.53 | -0.03 |
| Jul | 4.94 | 4.89 | 0.05 |
| Aug | 4.62 | 4.40 | 0.22 |
| Sep | 4.57 | 4.36 | 0.21 |
| Oct | 4.31 | 4.32 | -0.01 |
| Nov | 3.39 | 3.38 | 0.01 |
| Dec | 4.33 | 4.43 | -0.10 |
49.29 | 49.23 | 0.06 |