| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.59 | -0.14 |
| Feb | 2.83 | 2.90 | -0.07 |
| Mar | 4.44 | 4.42 | 0.02 |
| Apr | 3.51 | 3.51 | 0.00 |
| May | 3.45 | 3.53 | -0.08 |
| Jun | 3.89 | 4.19 | -0.30 |
| Jul | 4.72 | 4.70 | 0.02 |
| Aug | 4.70 | 4.89 | -0.19 |
| Sep | 4.00 | 4.12 | -0.12 |
| Oct | 4.10 | 3.98 | 0.12 |
| Nov | 3.24 | 3.22 | 0.02 |
| Dec | 4.29 | 4.35 | -0.06 |
46.62 | 47.40 | -0.78 |