| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 3.59 | 0.37 |
| Feb | 3.91 | 3.70 | 0.21 |
| Mar | 4.51 | 4.11 | 0.40 |
| Apr | 4.27 | 4.12 | 0.15 |
| May | 3.97 | 3.86 | 0.11 |
| Jun | 4.39 | 3.75 | 0.64 |
| Jul | 4.69 | 4.69 | 0.00 |
| Aug | 3.40 | 3.53 | -0.13 |
| Sep | 3.11 | 2.86 | 0.25 |
| Oct | 2.69 | 2.46 | 0.23 |
| Nov | 3.23 | 2.89 | 0.34 |
| Dec | 4.25 | 4.06 | 0.19 |
46.38 | 43.62 | 2.76 |