| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.62 | -0.09 |
| Feb | 3.03 | 2.97 | 0.06 |
| Mar | 4.07 | 4.12 | -0.05 |
| Apr | 3.66 | 3.66 | 0.00 |
| May | 3.66 | 3.62 | 0.04 |
| Jun | 4.28 | 4.26 | 0.02 |
| Jul | 4.77 | 4.60 | 0.17 |
| Aug | 4.50 | 4.46 | 0.04 |
| Sep | 4.89 | 5.08 | -0.19 |
| Oct | 3.40 | 3.47 | -0.07 |
| Nov | 3.34 | 3.34 | 0.00 |
| Dec | 3.54 | 3.51 | 0.03 |
46.67 | 46.71 | -0.04 |