| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.31 | -0.01 |
| Feb | 1.86 | 1.87 | -0.01 |
| Mar | 2.45 | 2.50 | -0.05 |
| Apr | 2.95 | 2.90 | 0.05 |
| May | 2.96 | 2.85 | 0.11 |
| Jun | 3.37 | 3.40 | -0.03 |
| Jul | 3.55 | 3.57 | -0.02 |
| Aug | 3.21 | 3.20 | 0.01 |
| Sep | 3.22 | 3.18 | 0.04 |
| Oct | 3.42 | 3.39 | 0.03 |
| Nov | 2.70 | 2.64 | 0.06 |
| Dec | 2.59 | 2.56 | 0.03 |
34.58 | 34.37 | 0.21 |