| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.71 | -0.09 |
| Feb | 2.24 | 2.40 | -0.16 |
| Mar | 3.21 | 3.18 | 0.03 |
| Apr | 2.50 | 2.72 | -0.22 |
| May | 3.53 | 3.66 | -0.13 |
| Jun | 8.00 | 7.84 | 0.16 |
| Jul | 7.22 | 7.67 | -0.45 |
| Aug | 7.40 | 7.79 | -0.39 |
| Sep | 6.47 | 6.52 | -0.05 |
| Oct | 3.60 | 4.03 | -0.43 |
| Nov | 1.94 | 2.15 | -0.21 |
| Dec | 2.33 | 2.46 | -0.13 |
51.06 | 53.13 | -2.07 |