| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.38 | 0.02 |
| Feb | 2.00 | 1.89 | 0.11 |
| Mar | 2.78 | 2.72 | 0.06 |
| Apr | 2.59 | 2.58 | 0.01 |
| May | 4.26 | 4.37 | -0.11 |
| Jun | 3.54 | 3.45 | 0.09 |
| Jul | 2.37 | 2.24 | 0.13 |
| Aug | 2.47 | 2.44 | 0.03 |
| Sep | 3.66 | 3.91 | -0.25 |
| Oct | 4.33 | 4.30 | 0.03 |
| Nov | 2.68 | 2.93 | -0.25 |
| Dec | 2.39 | 2.52 | -0.13 |
35.47 | 35.73 | -0.26 |