| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.32 | 0.26 |
| Feb | 2.82 | 2.68 | 0.14 |
| Mar | 3.87 | 3.87 | 0.00 |
| Apr | 4.11 | 4.06 | 0.05 |
| May | 4.27 | 4.09 | 0.18 |
| Jun | 4.58 | 5.00 | -0.42 |
| Jul | 4.98 | 4.74 | 0.24 |
| Aug | 4.67 | 4.52 | 0.15 |
| Sep | 4.96 | 4.89 | 0.07 |
| Oct | 4.71 | 4.53 | 0.18 |
| Nov | 3.63 | 3.67 | -0.04 |
| Dec | 4.01 | 4.00 | 0.01 |
50.19 | 49.37 | 0.82 |