| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.81 | 0.05 |
| Feb | 0.93 | 0.85 | 0.08 |
| Mar | 1.56 | 1.50 | 0.06 |
| Apr | 2.72 | 2.78 | -0.06 |
| May | 3.96 | 4.00 | -0.04 |
| Jun | 4.39 | 4.30 | 0.09 |
| Jul | 4.45 | 4.30 | 0.15 |
| Aug | 4.17 | 4.20 | -0.03 |
| Sep | 3.54 | 3.52 | 0.02 |
| Oct | 3.08 | 3.17 | -0.09 |
| Nov | 1.78 | 1.78 | 0.00 |
| Dec | 1.23 | 1.18 | 0.05 |
32.67 | 32.39 | 0.28 |