| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.31 | 0.04 |
| Feb | 0.48 | 0.45 | 0.03 |
| Mar | 0.74 | 0.82 | -0.08 |
| Apr | 1.98 | 1.89 | 0.09 |
| May | 3.07 | 2.98 | 0.09 |
| Jun | 2.85 | 2.89 | -0.04 |
| Jul | 2.60 | 2.26 | 0.34 |
| Aug | 1.86 | 1.65 | 0.21 |
| Sep | 1.53 | 1.43 | 0.10 |
| Oct | 1.15 | 1.19 | -0.04 |
| Nov | 0.43 | 0.43 | 0.00 |
| Dec | 0.36 | 0.37 | -0.01 |
17.40 | 16.67 | 0.73 |