| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.43 | 0.03 |
| Feb | 2.67 | 2.73 | -0.06 |
| Mar | 3.74 | 3.70 | 0.04 |
| Apr | 5.06 | 5.03 | 0.03 |
| May | 5.38 | 5.42 | -0.04 |
| Jun | 5.09 | 5.08 | 0.01 |
| Jul | 4.50 | 4.47 | 0.03 |
| Aug | 3.47 | 3.29 | 0.18 |
| Sep | 3.46 | 3.56 | -0.10 |
| Oct | 3.77 | 3.68 | 0.09 |
| Nov | 3.98 | 3.94 | 0.04 |
| Dec | 3.38 | 3.43 | -0.05 |
47.96 | 47.76 | 0.20 |