| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.55 | -0.08 |
| Feb | 1.82 | 1.85 | -0.03 |
| Mar | 2.98 | 3.01 | -0.03 |
| Apr | 4.55 | 4.44 | 0.11 |
| May | 6.32 | 6.72 | -0.40 |
| Jun | 5.34 | 5.33 | 0.01 |
| Jul | 3.72 | 3.80 | -0.08 |
| Aug | 3.71 | 3.73 | -0.02 |
| Sep | 3.97 | 3.93 | 0.04 |
| Oct | 3.80 | 3.86 | -0.06 |
| Nov | 2.54 | 2.54 | 0.00 |
| Dec | 2.02 | 2.15 | -0.13 |
42.24 | 42.91 | -0.67 |