| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.21 | 0.06 |
| Feb | 1.91 | 1.87 | 0.04 |
| Mar | 2.35 | 2.32 | 0.03 |
| Apr | 3.67 | 3.58 | 0.09 |
| May | 4.45 | 4.23 | 0.22 |
| Jun | 4.82 | 4.65 | 0.17 |
| Jul | 4.53 | 4.45 | 0.08 |
| Aug | 3.80 | 4.00 | -0.20 |
| Sep | 3.36 | 3.41 | -0.05 |
| Oct | 3.34 | 3.32 | 0.02 |
| Nov | 2.67 | 2.67 | 0.00 |
| Dec | 2.12 | 2.08 | 0.04 |
39.29 | 38.79 | 0.50 |