| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.87 | -0.14 |
| Feb | 4.33 | 4.44 | -0.11 |
| Mar | 4.76 | 4.79 | -0.03 |
| Apr | 5.10 | 5.05 | 0.05 |
| May | 5.31 | 5.43 | -0.12 |
| Jun | 4.61 | 4.31 | 0.30 |
| Jul | 4.58 | 4.69 | -0.11 |
| Aug | 3.70 | 3.30 | 0.40 |
| Sep | 3.40 | 3.44 | -0.04 |
| Oct | 3.84 | 3.93 | -0.09 |
| Nov | 3.98 | 3.94 | 0.04 |
| Dec | 4.70 | 4.81 | -0.11 |
52.04 | 52.00 | 0.04 |