| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.52 | 6.02 | 0.50 |
| Feb | 5.01 | 4.61 | 0.40 |
| Mar | 5.24 | 4.68 | 0.56 |
| Apr | 4.39 | 3.74 | 0.65 |
| May | 2.99 | 2.67 | 0.32 |
| Jun | 1.70 | 1.56 | 0.14 |
| Jul | 0.36 | 0.36 | 0.00 |
| Aug | 0.47 | 0.43 | 0.04 |
| Sep | 1.54 | 1.50 | 0.04 |
| Oct | 3.85 | 3.47 | 0.38 |
| Nov | 6.63 | 6.28 | 0.35 |
| Dec | 7.72 | 7.36 | 0.36 |
46.42 | 42.68 | 3.74 |