| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.68 | 0.07 |
| Feb | 2.46 | 2.53 | -0.07 |
| Mar | 4.13 | 4.22 | -0.09 |
| Apr | 4.77 | 4.89 | -0.12 |
| May | 5.44 | 5.17 | 0.27 |
| Jun | 3.89 | 4.18 | -0.29 |
| Jul | 3.74 | 4.05 | -0.31 |
| Aug | 3.44 | 3.23 | 0.21 |
| Sep | 4.20 | 4.31 | -0.11 |
| Oct | 3.67 | 3.66 | 0.01 |
| Nov | 3.97 | 3.98 | -0.01 |
| Dec | 2.99 | 2.89 | 0.10 |
45.45 | 45.79 | -0.34 |