| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.78 | -0.15 |
| Feb | 2.99 | 3.09 | -0.10 |
| Mar | 4.00 | 4.08 | -0.08 |
| Apr | 3.81 | 3.91 | -0.10 |
| May | 3.70 | 3.57 | 0.13 |
| Jun | 4.18 | 4.18 | 0.00 |
| Jul | 4.45 | 4.34 | 0.11 |
| Aug | 4.30 | 4.59 | -0.29 |
| Sep | 4.51 | 4.53 | -0.02 |
| Oct | 3.31 | 3.29 | 0.02 |
| Nov | 3.41 | 3.47 | -0.06 |
| Dec | 3.51 | 3.62 | -0.11 |
45.80 | 46.45 | -0.65 |