| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.62 | -0.01 |
| Feb | 0.72 | 0.70 | 0.02 |
| Mar | 1.43 | 1.50 | -0.07 |
| Apr | 2.62 | 2.47 | 0.15 |
| May | 4.85 | 4.85 | 0.00 |
| Jun | 4.10 | 4.10 | 0.00 |
| Jul | 3.46 | 3.48 | -0.02 |
| Aug | 3.62 | 3.64 | -0.02 |
| Sep | 2.47 | 2.42 | 0.05 |
| Oct | 2.10 | 2.08 | 0.02 |
| Nov | 1.24 | 1.22 | 0.02 |
| Dec | 0.90 | 0.96 | -0.06 |
28.12 | 28.04 | 0.08 |