| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 4.01 | -0.28 |
| Feb | 3.20 | 3.52 | -0.32 |
| Mar | 3.99 | 4.41 | -0.42 |
| Apr | 4.00 | 4.48 | -0.48 |
| May | 4.07 | 4.53 | -0.46 |
| Jun | 4.96 | 5.06 | -0.10 |
| Jul | 4.70 | 4.68 | 0.02 |
| Aug | 4.88 | 4.85 | 0.03 |
| Sep | 5.02 | 5.09 | -0.07 |
| Oct | 5.02 | 5.52 | -0.50 |
| Nov | 3.83 | 4.10 | -0.27 |
| Dec | 4.47 | 5.06 | -0.59 |
51.87 | 55.31 | -3.44 |