| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.63 | -0.06 |
| Feb | 2.89 | 2.93 | -0.04 |
| Mar | 3.99 | 3.97 | 0.02 |
| Apr | 3.75 | 3.75 | 0.00 |
| May | 3.61 | 3.57 | 0.04 |
| Jun | 4.22 | 4.33 | -0.11 |
| Jul | 4.34 | 4.21 | 0.13 |
| Aug | 4.37 | 4.16 | 0.21 |
| Sep | 4.51 | 4.62 | -0.11 |
| Oct | 3.25 | 3.22 | 0.03 |
| Nov | 3.38 | 3.37 | 0.01 |
| Dec | 3.37 | 3.47 | -0.10 |
45.25 | 45.23 | 0.02 |