| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.50 | 4.43 | 0.07 |
| Feb | 4.25 | 4.29 | -0.04 |
| Mar | 4.53 | 4.52 | 0.01 |
| Apr | 3.57 | 3.74 | -0.17 |
| May | 2.87 | 2.84 | 0.03 |
| Jun | 4.37 | 4.52 | -0.15 |
| Jul | 4.94 | 4.73 | 0.21 |
| Aug | 4.47 | 4.54 | -0.07 |
| Sep | 3.70 | 3.75 | -0.05 |
| Oct | 2.70 | 2.80 | -0.10 |
| Nov | 3.15 | 3.15 | 0.00 |
| Dec | 4.66 | 4.50 | 0.16 |
47.71 | 47.81 | -0.10 |