| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.60 | -0.13 |
| Feb | 3.38 | 3.44 | -0.06 |
| Mar | 4.48 | 4.48 | 0.00 |
| Apr | 4.99 | 5.00 | -0.01 |
| May | 5.31 | 5.38 | -0.07 |
| Jun | 4.87 | 4.78 | 0.09 |
| Jul | 4.54 | 4.43 | 0.11 |
| Aug | 3.83 | 3.40 | 0.43 |
| Sep | 3.57 | 3.74 | -0.17 |
| Oct | 3.79 | 3.59 | 0.20 |
| Nov | 3.63 | 3.70 | -0.07 |
| Dec | 4.17 | 4.34 | -0.17 |
50.03 | 49.88 | 0.15 |