| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.97 | 5.09 | -0.12 |
| Feb | 4.79 | 4.77 | 0.02 |
| Mar | 5.27 | 5.40 | -0.13 |
| Apr | 4.50 | 4.56 | -0.06 |
| May | 3.99 | 3.96 | 0.03 |
| Jun | 3.93 | 3.91 | 0.02 |
| Jul | 3.91 | 4.15 | -0.24 |
| Aug | 3.80 | 3.77 | 0.03 |
| Sep | 3.87 | 3.88 | -0.01 |
| Oct | 3.59 | 3.72 | -0.13 |
| Nov | 4.42 | 4.41 | 0.01 |
| Dec | 5.25 | 5.25 | 0.00 |
52.29 | 52.87 | -0.58 |