| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.70 | -0.03 |
| Feb | 2.22 | 2.24 | -0.02 |
| Mar | 3.04 | 2.99 | 0.05 |
| Apr | 4.55 | 4.56 | -0.01 |
| May | 4.86 | 4.72 | 0.14 |
| Jun | 4.79 | 4.73 | 0.06 |
| Jul | 3.99 | 3.93 | 0.06 |
| Aug | 3.41 | 3.07 | 0.34 |
| Sep | 3.05 | 3.00 | 0.05 |
| Oct | 3.50 | 3.47 | 0.03 |
| Nov | 3.54 | 3.52 | 0.02 |
| Dec | 2.62 | 2.61 | 0.01 |
42.24 | 41.54 | 0.70 |