| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.79 | 0.01 |
| Feb | 1.04 | 1.01 | 0.03 |
| Mar | 1.84 | 1.85 | -0.01 |
| Apr | 3.48 | 3.46 | 0.02 |
| May | 4.89 | 4.74 | 0.15 |
| Jun | 5.18 | 4.96 | 0.22 |
| Jul | 3.95 | 3.94 | 0.01 |
| Aug | 4.51 | 4.20 | 0.31 |
| Sep | 3.41 | 3.21 | 0.20 |
| Oct | 2.58 | 2.55 | 0.03 |
| Nov | 1.51 | 1.48 | 0.03 |
| Dec | 1.23 | 1.22 | 0.01 |
34.42 | 33.41 | 1.01 |