| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.28 | 4.99 | 0.29 |
| Feb | 4.71 | 4.60 | 0.11 |
| Mar | 5.01 | 4.91 | 0.10 |
| Apr | 4.62 | 4.35 | 0.27 |
| May | 4.26 | 3.97 | 0.29 |
| Jun | 5.17 | 4.48 | 0.69 |
| Jul | 5.06 | 4.23 | 0.83 |
| Aug | 5.73 | 5.63 | 0.10 |
| Sep | 4.61 | 4.34 | 0.27 |
| Oct | 4.11 | 4.02 | 0.09 |
| Nov | 4.34 | 4.26 | 0.08 |
| Dec | 5.57 | 5.50 | 0.07 |
58.47 | 55.28 | 3.19 |