| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.61 | 2.55 | 0.06 |
| Feb | 2.15 | 2.28 | -0.13 |
| Mar | 2.57 | 2.52 | 0.05 |
| Apr | 3.76 | 3.67 | 0.09 |
| May | 4.34 | 4.28 | 0.06 |
| Jun | 4.54 | 4.52 | 0.02 |
| Jul | 4.15 | 4.38 | -0.23 |
| Aug | 4.14 | 4.15 | -0.01 |
| Sep | 3.35 | 3.28 | 0.07 |
| Oct | 3.36 | 3.28 | 0.08 |
| Nov | 2.92 | 2.94 | -0.02 |
| Dec | 2.48 | 2.45 | 0.03 |
40.37 | 40.30 | 0.07 |