| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.74 | 4.67 | 0.07 |
| Feb | 4.68 | 4.75 | -0.07 |
| Mar | 4.97 | 4.86 | 0.11 |
| Apr | 4.00 | 3.99 | 0.01 |
| May | 3.75 | 3.88 | -0.13 |
| Jun | 4.55 | 4.48 | 0.07 |
| Jul | 4.83 | 4.79 | 0.04 |
| Aug | 4.36 | 4.73 | -0.37 |
| Sep | 4.20 | 4.26 | -0.06 |
| Oct | 3.51 | 3.53 | -0.02 |
| Nov | 4.12 | 4.24 | -0.12 |
| Dec | 4.63 | 4.69 | -0.06 |
52.34 | 52.87 | -0.53 |