| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.37 | 4.31 | 0.06 |
| Feb | 4.69 | 4.70 | -0.01 |
| Mar | 5.16 | 5.04 | 0.12 |
| Apr | 4.93 | 4.82 | 0.11 |
| May | 4.97 | 5.12 | -0.15 |
| Jun | 4.37 | 4.38 | -0.01 |
| Jul | 4.51 | 4.50 | 0.01 |
| Aug | 3.73 | 3.54 | 0.19 |
| Sep | 3.92 | 3.91 | 0.01 |
| Oct | 3.53 | 3.40 | 0.13 |
| Nov | 3.74 | 3.87 | -0.13 |
| Dec | 4.99 | 5.13 | -0.14 |
52.91 | 52.72 | 0.19 |