| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.40 | 0.20 |
| Feb | 2.85 | 2.71 | 0.14 |
| Mar | 3.92 | 3.87 | 0.05 |
| Apr | 4.09 | 4.02 | 0.07 |
| May | 4.24 | 4.10 | 0.14 |
| Jun | 4.61 | 5.05 | -0.44 |
| Jul | 5.04 | 4.97 | 0.07 |
| Aug | 4.70 | 4.73 | -0.03 |
| Sep | 5.05 | 4.91 | 0.14 |
| Oct | 4.65 | 4.54 | 0.11 |
| Nov | 3.58 | 3.63 | -0.05 |
| Dec | 4.05 | 4.02 | 0.03 |
50.38 | 49.95 | 0.43 |