| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.46 | 4.97 | -0.51 |
| Feb | 4.28 | 4.36 | -0.08 |
| Mar | 4.88 | 4.78 | 0.10 |
| Apr | 4.76 | 5.43 | -0.67 |
| May | 3.62 | 3.85 | -0.23 |
| Jun | 6.00 | 6.35 | -0.35 |
| Jul | 7.05 | 7.20 | -0.15 |
| Aug | 6.74 | 6.87 | -0.13 |
| Sep | 6.66 | 6.68 | -0.02 |
| Oct | 4.19 | 4.24 | -0.05 |
| Nov | 3.98 | 4.21 | -0.23 |
| Dec | 4.77 | 4.81 | -0.04 |
61.39 | 63.75 | -2.36 |