| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 3.03 | -0.33 |
| Feb | 2.13 | 2.42 | -0.29 |
| Mar | 2.51 | 2.78 | -0.27 |
| Apr | 3.39 | 3.35 | 0.04 |
| May | 3.82 | 3.80 | 0.02 |
| Jun | 4.54 | 4.80 | -0.26 |
| Jul | 4.39 | 4.15 | 0.24 |
| Aug | 3.98 | 4.04 | -0.06 |
| Sep | 3.87 | 3.89 | -0.02 |
| Oct | 4.43 | 4.58 | -0.15 |
| Nov | 3.16 | 3.58 | -0.42 |
| Dec | 3.00 | 3.24 | -0.24 |
41.92 | 43.66 | -1.74 |