| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.05 | 0.05 |
| Feb | 2.54 | 2.66 | -0.12 |
| Mar | 2.33 | 2.59 | -0.26 |
| Apr | 1.70 | 1.97 | -0.27 |
| May | 1.32 | 1.57 | -0.25 |
| Jun | 1.05 | 1.30 | -0.25 |
| Jul | 0.65 | 0.70 | -0.05 |
| Aug | 0.92 | 0.86 | 0.06 |
| Sep | 1.48 | 1.53 | -0.05 |
| Oct | 3.19 | 3.13 | 0.06 |
| Nov | 4.55 | 4.37 | 0.18 |
| Dec | 3.91 | 3.96 | -0.05 |
27.74 | 28.69 | -0.95 |