| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.77 | 2.71 | 0.06 |
| Feb | 2.82 | 2.68 | 0.14 |
| Mar | 3.55 | 3.46 | 0.09 |
| Apr | 3.38 | 3.30 | 0.08 |
| May | 4.68 | 4.69 | -0.01 |
| Jun | 3.67 | 3.58 | 0.09 |
| Jul | 1.82 | 1.81 | 0.01 |
| Aug | 2.43 | 2.22 | 0.21 |
| Sep | 2.88 | 3.14 | -0.26 |
| Oct | 4.56 | 4.32 | 0.24 |
| Nov | 2.85 | 2.90 | -0.05 |
| Dec | 3.07 | 2.93 | 0.14 |
38.48 | 37.74 | 0.74 |