| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.57 | 0.12 |
| Feb | 4.02 | 4.05 | -0.03 |
| Mar | 4.73 | 4.90 | -0.17 |
| Apr | 5.19 | 5.20 | -0.01 |
| May | 5.36 | 5.14 | 0.22 |
| Jun | 3.71 | 3.61 | 0.10 |
| Jul | 4.01 | 3.72 | 0.29 |
| Aug | 3.16 | 3.04 | 0.12 |
| Sep | 3.12 | 3.00 | 0.12 |
| Oct | 3.85 | 4.03 | -0.18 |
| Nov | 4.43 | 4.43 | 0.00 |
| Dec | 4.72 | 4.68 | 0.04 |
49.99 | 49.37 | 0.62 |