| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.73 | -0.08 |
| Feb | 2.44 | 2.50 | -0.06 |
| Mar | 4.14 | 4.16 | -0.02 |
| Apr | 4.85 | 4.99 | -0.14 |
| May | 5.86 | 5.76 | 0.10 |
| Jun | 4.43 | 4.34 | 0.09 |
| Jul | 3.77 | 4.16 | -0.39 |
| Aug | 3.33 | 3.32 | 0.01 |
| Sep | 4.27 | 4.35 | -0.08 |
| Oct | 4.06 | 4.01 | 0.05 |
| Nov | 4.00 | 3.98 | 0.02 |
| Dec | 3.08 | 3.12 | -0.04 |
46.88 | 47.42 | -0.54 |