| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.28 | -0.10 |
| Feb | 2.68 | 2.75 | -0.07 |
| Mar | 3.99 | 4.00 | -0.01 |
| Apr | 3.61 | 3.60 | 0.01 |
| May | 3.97 | 4.02 | -0.05 |
| Jun | 4.05 | 3.86 | 0.19 |
| Jul | 4.56 | 4.36 | 0.20 |
| Aug | 3.84 | 3.96 | -0.12 |
| Sep | 4.86 | 5.02 | -0.16 |
| Oct | 4.01 | 4.03 | -0.02 |
| Nov | 3.18 | 3.22 | -0.04 |
| Dec | 3.58 | 3.71 | -0.13 |
45.51 | 45.81 | -0.30 |