| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.01 | 4.01 | 0.00 |
| Feb | 4.45 | 4.63 | -0.18 |
| Mar | 4.72 | 4.54 | 0.18 |
| Apr | 4.61 | 4.71 | -0.10 |
| May | 4.98 | 4.89 | 0.09 |
| Jun | 4.08 | 4.11 | -0.03 |
| Jul | 3.64 | 3.49 | 0.15 |
| Aug | 2.97 | 2.94 | 0.03 |
| Sep | 3.92 | 3.78 | 0.14 |
| Oct | 4.48 | 4.35 | 0.13 |
| Nov | 4.10 | 3.80 | 0.30 |
| Dec | 4.97 | 4.69 | 0.28 |
50.93 | 49.94 | 0.99 |