| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.42 | 4.34 | 0.08 |
| Feb | 4.43 | 4.50 | -0.07 |
| Mar | 3.30 | 3.37 | -0.07 |
| Apr | 1.57 | 1.65 | -0.08 |
| May | 0.71 | 0.75 | -0.04 |
| Jun | 0.15 | 0.18 | -0.03 |
| Jul | 0.00 | 0.01 | -0.01 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.09 | 0.10 | -0.01 |
| Oct | 1.04 | 1.04 | 0.00 |
| Nov | 2.44 | 2.45 | -0.01 |
| Dec | 4.66 | 4.60 | 0.06 |
22.84 | 23.03 | -0.19 |