| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.57 | 0.03 |
| Feb | 3.43 | 3.43 | 0.00 |
| Mar | 4.54 | 4.63 | -0.09 |
| Apr | 4.22 | 4.01 | 0.21 |
| May | 3.59 | 3.44 | 0.15 |
| Jun | 4.06 | 3.96 | 0.10 |
| Jul | 3.48 | 3.45 | 0.03 |
| Aug | 3.44 | 3.27 | 0.17 |
| Sep | 3.65 | 3.47 | 0.18 |
| Oct | 4.70 | 4.73 | -0.03 |
| Nov | 3.96 | 3.98 | -0.02 |
| Dec | 4.68 | 4.59 | 0.09 |
47.35 | 46.53 | 0.82 |