| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.86 | -0.07 |
| Feb | 3.03 | 2.88 | 0.15 |
| Mar | 3.70 | 3.54 | 0.16 |
| Apr | 3.64 | 3.62 | 0.02 |
| May | 4.40 | 4.37 | 0.03 |
| Jun | 3.75 | 3.84 | -0.09 |
| Jul | 1.97 | 1.86 | 0.11 |
| Aug | 2.51 | 2.58 | -0.07 |
| Sep | 3.11 | 3.04 | 0.07 |
| Oct | 4.78 | 4.69 | 0.09 |
| Nov | 3.05 | 3.07 | -0.02 |
| Dec | 3.36 | 3.27 | 0.09 |
40.09 | 39.62 | 0.47 |