| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 3.98 | 0.01 |
| Feb | 3.68 | 3.83 | -0.15 |
| Mar | 4.30 | 4.43 | -0.13 |
| Apr | 2.94 | 3.11 | -0.17 |
| May | 3.20 | 3.05 | 0.15 |
| Jun | 4.57 | 4.63 | -0.06 |
| Jul | 4.40 | 4.41 | -0.01 |
| Aug | 4.66 | 4.92 | -0.26 |
| Sep | 3.63 | 3.84 | -0.21 |
| Oct | 2.74 | 2.80 | -0.06 |
| Nov | 2.97 | 3.15 | -0.18 |
| Dec | 3.97 | 4.05 | -0.08 |
45.05 | 46.20 | -1.15 |