| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.90 | -0.09 |
| Feb | 3.82 | 3.76 | 0.06 |
| Mar | 4.70 | 4.79 | -0.09 |
| Apr | 5.04 | 5.11 | -0.07 |
| May | 4.96 | 5.17 | -0.21 |
| Jun | 4.57 | 4.63 | -0.06 |
| Jul | 4.06 | 4.18 | -0.12 |
| Aug | 3.18 | 2.93 | 0.25 |
| Sep | 3.39 | 3.51 | -0.12 |
| Oct | 3.75 | 3.84 | -0.09 |
| Nov | 4.17 | 4.17 | 0.00 |
| Dec | 4.27 | 4.23 | 0.04 |
49.72 | 50.22 | -0.50 |