| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 4.00 | -0.20 |
| Feb | 2.99 | 3.10 | -0.11 |
| Mar | 4.04 | 3.93 | 0.11 |
| Apr | 4.31 | 4.35 | -0.04 |
| May | 4.36 | 4.30 | 0.06 |
| Jun | 5.27 | 5.11 | 0.16 |
| Jul | 4.54 | 4.57 | -0.03 |
| Aug | 4.60 | 4.81 | -0.21 |
| Sep | 5.45 | 5.41 | 0.04 |
| Oct | 4.94 | 5.29 | -0.35 |
| Nov | 3.78 | 3.81 | -0.03 |
| Dec | 4.31 | 4.77 | -0.46 |
52.39 | 53.45 | -1.06 |