| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.57 | -0.15 |
| Feb | 2.84 | 2.85 | -0.01 |
| Mar | 4.05 | 4.32 | -0.27 |
| Apr | 3.58 | 3.55 | 0.03 |
| May | 3.71 | 3.71 | 0.00 |
| Jun | 4.31 | 4.25 | 0.06 |
| Jul | 4.96 | 4.87 | 0.09 |
| Aug | 4.59 | 4.85 | -0.26 |
| Sep | 3.87 | 3.88 | -0.01 |
| Oct | 3.90 | 4.03 | -0.13 |
| Nov | 3.22 | 3.26 | -0.04 |
| Dec | 4.13 | 4.36 | -0.23 |
46.58 | 47.50 | -0.92 |