| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.20 | 6.55 | -0.35 |
| Feb | 4.12 | 4.34 | -0.22 |
| Mar | 4.58 | 4.86 | -0.28 |
| Apr | 3.40 | 3.50 | -0.10 |
| May | 2.01 | 2.10 | -0.09 |
| Jun | 1.42 | 1.44 | -0.02 |
| Jul | 0.62 | 0.61 | 0.01 |
| Aug | 0.89 | 0.87 | 0.02 |
| Sep | 1.58 | 1.56 | 0.02 |
| Oct | 4.20 | 4.30 | -0.10 |
| Nov | 6.50 | 6.88 | -0.38 |
| Dec | 6.20 | 6.57 | -0.37 |
41.72 | 43.58 | -1.86 |