| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.80 | 0.08 |
| Feb | 2.88 | 2.90 | -0.02 |
| Mar | 3.44 | 3.45 | -0.01 |
| Apr | 4.07 | 4.04 | 0.03 |
| May | 4.95 | 5.02 | -0.07 |
| Jun | 5.01 | 5.04 | -0.03 |
| Jul | 3.53 | 3.69 | -0.16 |
| Aug | 4.33 | 4.86 | -0.53 |
| Sep | 4.87 | 4.78 | 0.09 |
| Oct | 4.65 | 4.55 | 0.10 |
| Nov | 4.24 | 4.34 | -0.10 |
| Dec | 3.63 | 3.90 | -0.27 |
49.48 | 50.37 | -0.89 |