| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.84 | 4.48 | 0.36 |
| Feb | 4.66 | 4.58 | 0.08 |
| Mar | 3.61 | 3.42 | 0.19 |
| Apr | 1.61 | 1.63 | -0.02 |
| May | 0.72 | 0.81 | -0.09 |
| Jun | 0.16 | 0.24 | -0.08 |
| Jul | 0.00 | 0.01 | -0.01 |
| Aug | 0.04 | 0.04 | 0.00 |
| Sep | 0.08 | 0.11 | -0.03 |
| Oct | 1.07 | 1.04 | 0.03 |
| Nov | 2.54 | 2.43 | 0.11 |
| Dec | 4.97 | 4.88 | 0.09 |
24.30 | 23.67 | 0.63 |