| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.06 | 3.99 | 0.07 |
| Feb | 3.72 | 3.85 | -0.13 |
| Mar | 4.36 | 4.46 | -0.10 |
| Apr | 2.97 | 3.12 | -0.15 |
| May | 3.23 | 3.07 | 0.16 |
| Jun | 4.60 | 4.63 | -0.03 |
| Jul | 4.40 | 4.37 | 0.03 |
| Aug | 4.68 | 4.83 | -0.15 |
| Sep | 3.67 | 3.80 | -0.13 |
| Oct | 2.78 | 2.80 | -0.02 |
| Nov | 3.01 | 3.15 | -0.14 |
| Dec | 4.03 | 4.06 | -0.03 |
45.51 | 46.13 | -0.62 |