| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.47 | -0.01 |
| Feb | 2.77 | 2.77 | 0.00 |
| Mar | 3.89 | 3.88 | 0.01 |
| Apr | 3.46 | 3.44 | 0.02 |
| May | 4.17 | 4.11 | 0.06 |
| Jun | 4.04 | 3.75 | 0.29 |
| Jul | 4.38 | 4.30 | 0.08 |
| Aug | 4.26 | 4.50 | -0.24 |
| Sep | 4.46 | 4.30 | 0.16 |
| Oct | 3.65 | 3.57 | 0.08 |
| Nov | 3.27 | 3.26 | 0.01 |
| Dec | 3.70 | 3.75 | -0.05 |
45.51 | 45.10 | 0.41 |