| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.40 | 4.46 | -0.06 |
| Feb | 4.04 | 4.18 | -0.14 |
| Mar | 4.58 | 4.62 | -0.04 |
| Apr | 3.43 | 3.35 | 0.08 |
| May | 2.87 | 2.69 | 0.18 |
| Jun | 5.88 | 5.72 | 0.16 |
| Jul | 5.63 | 5.63 | 0.00 |
| Aug | 5.08 | 5.00 | 0.08 |
| Sep | 4.54 | 4.27 | 0.27 |
| Oct | 3.04 | 2.99 | 0.05 |
| Nov | 2.50 | 2.67 | -0.17 |
| Dec | 3.82 | 3.74 | 0.08 |
49.81 | 49.32 | 0.49 |