| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.58 | -0.20 |
| Feb | 2.77 | 2.89 | -0.12 |
| Mar | 4.16 | 4.41 | -0.25 |
| Apr | 3.66 | 3.65 | 0.01 |
| May | 3.53 | 3.69 | -0.16 |
| Jun | 4.18 | 4.34 | -0.16 |
| Jul | 4.70 | 4.57 | 0.13 |
| Aug | 4.40 | 4.75 | -0.35 |
| Sep | 4.20 | 4.19 | 0.01 |
| Oct | 3.80 | 3.96 | -0.16 |
| Nov | 3.16 | 3.21 | -0.05 |
| Dec | 4.13 | 4.37 | -0.24 |
46.07 | 47.61 | -1.54 |