| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.45 | -0.05 |
| Feb | 1.93 | 2.03 | -0.10 |
| Mar | 2.21 | 2.34 | -0.13 |
| Apr | 3.58 | 3.56 | 0.02 |
| May | 4.27 | 4.23 | 0.04 |
| Jun | 4.05 | 4.01 | 0.04 |
| Jul | 3.84 | 3.63 | 0.21 |
| Aug | 3.79 | 3.85 | -0.06 |
| Sep | 2.98 | 2.98 | 0.00 |
| Oct | 3.11 | 3.00 | 0.11 |
| Nov | 2.89 | 2.91 | -0.02 |
| Dec | 2.35 | 2.31 | 0.04 |
37.40 | 37.30 | 0.10 |