| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.49 | 4.46 | 0.03 |
| Feb | 4.30 | 4.23 | 0.07 |
| Mar | 4.53 | 4.69 | -0.16 |
| Apr | 3.67 | 3.77 | -0.10 |
| May | 3.05 | 2.98 | 0.07 |
| Jun | 4.92 | 4.97 | -0.05 |
| Jul | 4.96 | 4.93 | 0.03 |
| Aug | 4.60 | 4.92 | -0.32 |
| Sep | 3.71 | 3.86 | -0.15 |
| Oct | 2.85 | 2.95 | -0.10 |
| Nov | 3.03 | 3.04 | -0.01 |
| Dec | 4.21 | 4.21 | 0.00 |
48.32 | 49.01 | -0.69 |