| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.38 | 0.05 |
| Feb | 2.07 | 2.02 | 0.05 |
| Mar | 2.50 | 2.55 | -0.05 |
| Apr | 3.28 | 3.27 | 0.01 |
| May | 3.78 | 3.71 | 0.07 |
| Jun | 4.38 | 4.34 | 0.04 |
| Jul | 4.24 | 4.19 | 0.05 |
| Aug | 3.90 | 3.92 | -0.02 |
| Sep | 3.71 | 3.80 | -0.09 |
| Oct | 4.09 | 4.07 | 0.02 |
| Nov | 3.05 | 3.06 | -0.01 |
| Dec | 2.95 | 2.89 | 0.06 |
40.38 | 40.20 | 0.18 |