| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.39 | 0.00 |
| Feb | 3.35 | 3.21 | 0.14 |
| Mar | 4.58 | 4.53 | 0.05 |
| Apr | 4.86 | 4.98 | -0.12 |
| May | 4.85 | 5.00 | -0.15 |
| Jun | 4.18 | 4.15 | 0.03 |
| Jul | 4.28 | 4.11 | 0.17 |
| Aug | 2.93 | 2.95 | -0.02 |
| Sep | 3.45 | 3.27 | 0.18 |
| Oct | 3.39 | 3.50 | -0.11 |
| Nov | 3.74 | 3.75 | -0.01 |
| Dec | 4.02 | 3.89 | 0.13 |
47.02 | 46.73 | 0.29 |