| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.70 | 0.00 |
| Feb | 0.84 | 0.86 | -0.02 |
| Mar | 1.67 | 1.70 | -0.03 |
| Apr | 3.30 | 3.25 | 0.05 |
| May | 4.20 | 4.28 | -0.08 |
| Jun | 4.81 | 5.01 | -0.20 |
| Jul | 3.46 | 3.51 | -0.05 |
| Aug | 3.93 | 3.86 | 0.07 |
| Sep | 2.97 | 3.12 | -0.15 |
| Oct | 2.27 | 2.26 | 0.01 |
| Nov | 1.39 | 1.43 | -0.04 |
| Dec | 0.95 | 0.99 | -0.04 |
30.49 | 30.97 | -0.48 |