| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.62 | -0.28 |
| Feb | 2.87 | 3.18 | -0.31 |
| Mar | 3.48 | 3.90 | -0.42 |
| Apr | 3.75 | 4.21 | -0.46 |
| May | 3.81 | 4.48 | -0.67 |
| Jun | 4.63 | 5.88 | -1.25 |
| Jul | 4.69 | 5.16 | -0.47 |
| Aug | 4.34 | 4.97 | -0.63 |
| Sep | 3.71 | 4.38 | -0.67 |
| Oct | 4.69 | 5.57 | -0.88 |
| Nov | 3.50 | 3.85 | -0.35 |
| Dec | 3.93 | 4.31 | -0.38 |
46.74 | 53.51 | -6.77 |