| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.22 | 0.01 |
| Feb | 2.67 | 2.67 | 0.00 |
| Mar | 3.72 | 3.75 | -0.03 |
| Apr | 4.43 | 4.46 | -0.03 |
| May | 4.63 | 4.70 | -0.07 |
| Jun | 4.82 | 4.64 | 0.18 |
| Jul | 3.99 | 4.04 | -0.05 |
| Aug | 3.34 | 3.18 | 0.16 |
| Sep | 3.09 | 3.01 | 0.08 |
| Oct | 3.18 | 3.08 | 0.10 |
| Nov | 3.07 | 3.04 | 0.03 |
| Dec | 3.35 | 3.34 | 0.01 |
43.52 | 43.13 | 0.39 |