| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.29 | 0.02 |
| Feb | 2.84 | 2.93 | -0.09 |
| Mar | 3.39 | 3.54 | -0.15 |
| Apr | 3.48 | 3.83 | -0.35 |
| May | 3.70 | 3.92 | -0.22 |
| Jun | 4.58 | 4.62 | -0.04 |
| Jul | 4.57 | 4.94 | -0.37 |
| Aug | 4.63 | 4.60 | 0.03 |
| Sep | 4.29 | 4.30 | -0.01 |
| Oct | 4.88 | 4.97 | -0.09 |
| Nov | 3.62 | 3.75 | -0.13 |
| Dec | 4.06 | 4.16 | -0.10 |
47.35 | 48.85 | -1.50 |