| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.63 | -0.15 |
| Feb | 3.49 | 3.60 | -0.11 |
| Mar | 4.55 | 4.61 | -0.06 |
| Apr | 4.79 | 4.74 | 0.05 |
| May | 5.33 | 5.30 | 0.03 |
| Jun | 4.91 | 4.91 | 0.00 |
| Jul | 4.88 | 4.90 | -0.02 |
| Aug | 3.51 | 3.46 | 0.05 |
| Sep | 3.43 | 3.62 | -0.19 |
| Oct | 3.74 | 3.56 | 0.18 |
| Nov | 3.35 | 3.43 | -0.08 |
| Dec | 4.17 | 4.25 | -0.08 |
49.63 | 50.01 | -0.38 |