| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.42 | 0.22 |
| Feb | 2.81 | 2.70 | 0.11 |
| Mar | 3.96 | 3.84 | 0.12 |
| Apr | 4.10 | 3.96 | 0.14 |
| May | 4.14 | 4.08 | 0.06 |
| Jun | 4.76 | 5.09 | -0.33 |
| Jul | 4.90 | 5.02 | -0.12 |
| Aug | 4.77 | 4.75 | 0.02 |
| Sep | 5.06 | 4.89 | 0.17 |
| Oct | 4.55 | 4.53 | 0.02 |
| Nov | 3.56 | 3.57 | -0.01 |
| Dec | 4.06 | 3.95 | 0.11 |
50.31 | 49.80 | 0.51 |