| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.30 | 5.85 | 0.45 |
| Feb | 4.53 | 4.63 | -0.10 |
| Mar | 4.73 | 4.65 | 0.08 |
| Apr | 3.41 | 3.40 | 0.01 |
| May | 2.53 | 2.33 | 0.20 |
| Jun | 1.50 | 1.46 | 0.04 |
| Jul | 0.34 | 0.33 | 0.01 |
| Aug | 0.50 | 0.42 | 0.08 |
| Sep | 1.56 | 1.47 | 0.09 |
| Oct | 3.71 | 3.60 | 0.11 |
| Nov | 6.23 | 6.15 | 0.08 |
| Dec | 7.12 | 7.20 | -0.08 |
42.46 | 41.49 | 0.97 |