| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.19 | 0.01 |
| Feb | 4.28 | 4.20 | 0.08 |
| Mar | 3.30 | 3.36 | -0.06 |
| Apr | 1.56 | 1.58 | -0.02 |
| May | 0.73 | 0.79 | -0.06 |
| Jun | 0.15 | 0.21 | -0.06 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.10 | 0.10 | 0.00 |
| Oct | 1.03 | 1.06 | -0.03 |
| Nov | 2.32 | 2.35 | -0.03 |
| Dec | 4.47 | 4.67 | -0.20 |
22.18 | 22.57 | -0.39 |