| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.05 | 0.01 |
| Feb | 2.91 | 2.88 | 0.03 |
| Mar | 3.44 | 3.39 | 0.05 |
| Apr | 3.70 | 3.72 | -0.02 |
| May | 3.75 | 3.69 | 0.06 |
| Jun | 4.18 | 4.40 | -0.22 |
| Jul | 4.30 | 4.39 | -0.09 |
| Aug | 3.86 | 3.96 | -0.10 |
| Sep | 3.81 | 3.74 | 0.07 |
| Oct | 4.86 | 5.05 | -0.19 |
| Nov | 3.79 | 3.69 | 0.10 |
| Dec | 4.02 | 3.95 | 0.07 |
45.68 | 45.91 | -0.23 |