| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.39 | 0.04 |
| Feb | 2.02 | 2.07 | -0.05 |
| Mar | 2.85 | 2.83 | 0.02 |
| Apr | 4.30 | 4.38 | -0.08 |
| May | 4.91 | 4.74 | 0.17 |
| Jun | 4.74 | 4.85 | -0.11 |
| Jul | 3.80 | 3.62 | 0.18 |
| Aug | 3.28 | 3.00 | 0.28 |
| Sep | 3.10 | 3.21 | -0.11 |
| Oct | 3.44 | 3.38 | 0.06 |
| Nov | 3.31 | 3.37 | -0.06 |
| Dec | 2.45 | 2.44 | 0.01 |
40.63 | 40.28 | 0.35 |