| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.80 | 0.01 |
| Feb | 0.85 | 0.89 | -0.04 |
| Mar | 1.41 | 1.42 | -0.01 |
| Apr | 2.56 | 2.53 | 0.03 |
| May | 3.43 | 3.42 | 0.01 |
| Jun | 4.56 | 4.69 | -0.13 |
| Jul | 4.44 | 4.57 | -0.13 |
| Aug | 3.76 | 3.81 | -0.05 |
| Sep | 3.21 | 3.25 | -0.04 |
| Oct | 3.04 | 3.08 | -0.04 |
| Nov | 1.63 | 1.59 | 0.04 |
| Dec | 1.20 | 1.24 | -0.04 |
30.90 | 31.29 | -0.39 |