| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.74 | 0.01 |
| Feb | 0.92 | 0.96 | -0.04 |
| Mar | 1.75 | 1.67 | 0.08 |
| Apr | 3.04 | 3.09 | -0.05 |
| May | 4.74 | 4.78 | -0.04 |
| Jun | 4.86 | 4.91 | -0.05 |
| Jul | 3.48 | 3.33 | 0.15 |
| Aug | 3.96 | 3.92 | 0.04 |
| Sep | 3.08 | 3.02 | 0.06 |
| Oct | 2.36 | 2.36 | 0.00 |
| Nov | 1.39 | 1.34 | 0.05 |
| Dec | 1.20 | 1.23 | -0.03 |
31.53 | 31.35 | 0.18 |