| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 4.21 | -0.02 |
| Feb | 4.22 | 4.21 | 0.01 |
| Mar | 4.57 | 4.62 | -0.05 |
| Apr | 3.52 | 3.56 | -0.04 |
| May | 2.92 | 2.93 | -0.01 |
| Jun | 3.87 | 4.30 | -0.43 |
| Jul | 4.21 | 4.34 | -0.13 |
| Aug | 4.38 | 4.50 | -0.12 |
| Sep | 3.81 | 3.89 | -0.08 |
| Oct | 2.76 | 2.82 | -0.06 |
| Nov | 3.17 | 3.33 | -0.16 |
| Dec | 4.35 | 4.43 | -0.08 |
45.97 | 47.14 | -1.17 |