| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 4.02 | -0.09 |
| Feb | 3.71 | 3.74 | -0.03 |
| Mar | 4.35 | 4.38 | -0.03 |
| Apr | 3.07 | 3.11 | -0.04 |
| May | 3.16 | 3.24 | -0.08 |
| Jun | 4.37 | 4.43 | -0.06 |
| Jul | 4.10 | 4.10 | 0.00 |
| Aug | 4.25 | 4.51 | -0.26 |
| Sep | 3.65 | 3.79 | -0.14 |
| Oct | 2.99 | 2.97 | 0.02 |
| Nov | 3.30 | 3.33 | -0.03 |
| Dec | 4.17 | 4.18 | -0.01 |
45.05 | 45.80 | -0.75 |