| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.70 | -0.12 |
| Feb | 3.06 | 2.93 | 0.13 |
| Mar | 4.09 | 4.05 | 0.04 |
| Apr | 3.62 | 3.57 | 0.05 |
| May | 3.71 | 3.60 | 0.11 |
| Jun | 4.37 | 4.37 | 0.00 |
| Jul | 4.92 | 5.20 | -0.28 |
| Aug | 5.05 | 5.06 | -0.01 |
| Sep | 5.28 | 5.41 | -0.13 |
| Oct | 3.42 | 3.38 | 0.04 |
| Nov | 3.39 | 3.38 | 0.01 |
| Dec | 3.53 | 3.44 | 0.09 |
48.02 | 48.09 | -0.07 |