| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.62 | -0.08 |
| Feb | 3.71 | 3.77 | -0.06 |
| Mar | 4.67 | 4.69 | -0.02 |
| Apr | 4.89 | 4.87 | 0.02 |
| May | 5.27 | 5.41 | -0.14 |
| Jun | 4.63 | 4.62 | 0.01 |
| Jul | 4.48 | 4.29 | 0.19 |
| Aug | 3.51 | 3.33 | 0.18 |
| Sep | 3.51 | 3.49 | 0.02 |
| Oct | 3.71 | 3.79 | -0.08 |
| Nov | 3.58 | 3.58 | 0.00 |
| Dec | 4.31 | 4.46 | -0.15 |
49.81 | 49.92 | -0.11 |