| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.16 | -0.15 |
| Feb | 2.52 | 2.66 | -0.14 |
| Mar | 3.20 | 3.17 | 0.03 |
| Apr | 2.63 | 2.65 | -0.02 |
| May | 2.94 | 3.24 | -0.30 |
| Jun | 7.87 | 7.90 | -0.03 |
| Jul | 8.54 | 9.01 | -0.47 |
| Aug | 8.27 | 8.26 | 0.01 |
| Sep | 6.04 | 6.18 | -0.14 |
| Oct | 2.55 | 2.51 | 0.04 |
| Nov | 1.78 | 1.83 | -0.05 |
| Dec | 2.41 | 2.40 | 0.01 |
51.76 | 52.97 | -1.21 |