| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.53 | 4.29 | 0.24 |
| Feb | 4.58 | 4.63 | -0.05 |
| Mar | 5.25 | 5.38 | -0.13 |
| Apr | 5.62 | 5.40 | 0.22 |
| May | 4.82 | 4.83 | -0.01 |
| Jun | 3.80 | 3.87 | -0.07 |
| Jul | 3.87 | 3.99 | -0.12 |
| Aug | 3.41 | 3.35 | 0.06 |
| Sep | 3.48 | 3.52 | -0.04 |
| Oct | 4.54 | 4.61 | -0.07 |
| Nov | 4.13 | 4.27 | -0.14 |
| Dec | 5.58 | 5.59 | -0.01 |
53.61 | 53.73 | -0.12 |