| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.54 | -0.15 |
| Feb | 2.69 | 2.85 | -0.16 |
| Mar | 3.69 | 3.80 | -0.11 |
| Apr | 3.81 | 3.66 | 0.15 |
| May | 3.83 | 3.76 | 0.07 |
| Jun | 4.31 | 4.48 | -0.17 |
| Jul | 4.87 | 5.11 | -0.24 |
| Aug | 4.67 | 4.50 | 0.17 |
| Sep | 4.68 | 4.68 | 0.00 |
| Oct | 4.27 | 4.31 | -0.04 |
| Nov | 3.24 | 3.30 | -0.06 |
| Dec | 3.91 | 4.18 | -0.27 |
47.36 | 48.17 | -0.81 |