| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 2.82 | 0.13 |
| Feb | 2.26 | 2.21 | 0.05 |
| Mar | 2.98 | 3.07 | -0.09 |
| Apr | 3.61 | 3.78 | -0.17 |
| May | 3.84 | 3.81 | 0.03 |
| Jun | 4.50 | 4.29 | 0.21 |
| Jul | 4.05 | 4.00 | 0.05 |
| Aug | 3.63 | 3.45 | 0.18 |
| Sep | 3.72 | 3.67 | 0.05 |
| Oct | 3.26 | 3.10 | 0.16 |
| Nov | 2.61 | 2.77 | -0.16 |
| Dec | 2.77 | 2.79 | -0.02 |
40.18 | 39.76 | 0.42 |