| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.50 | -0.09 |
| Feb | 2.89 | 2.92 | -0.03 |
| Mar | 3.99 | 4.09 | -0.10 |
| Apr | 4.97 | 4.83 | 0.14 |
| May | 5.32 | 5.35 | -0.03 |
| Jun | 4.64 | 4.53 | 0.11 |
| Jul | 4.25 | 4.05 | 0.20 |
| Aug | 3.14 | 3.19 | -0.05 |
| Sep | 3.71 | 3.63 | 0.08 |
| Oct | 3.46 | 3.44 | 0.02 |
| Nov | 3.87 | 4.13 | -0.26 |
| Dec | 3.67 | 3.62 | 0.05 |
47.32 | 47.28 | 0.04 |