| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.93 | -0.04 |
| Feb | 0.93 | 0.89 | 0.04 |
| Mar | 1.61 | 1.57 | 0.04 |
| Apr | 2.81 | 2.82 | -0.01 |
| May | 4.03 | 3.83 | 0.20 |
| Jun | 4.45 | 4.27 | 0.18 |
| Jul | 4.22 | 3.95 | 0.27 |
| Aug | 4.15 | 4.17 | -0.02 |
| Sep | 3.46 | 3.45 | 0.01 |
| Oct | 3.01 | 3.00 | 0.01 |
| Nov | 1.75 | 1.74 | 0.01 |
| Dec | 1.21 | 1.20 | 0.01 |
32.52 | 31.82 | 0.70 |