| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.66 | -0.07 |
| Feb | 2.79 | 2.87 | -0.08 |
| Mar | 4.05 | 4.26 | -0.21 |
| Apr | 3.92 | 3.99 | -0.07 |
| May | 4.16 | 4.13 | 0.03 |
| Jun | 4.65 | 4.83 | -0.18 |
| Jul | 4.93 | 4.77 | 0.16 |
| Aug | 4.48 | 4.47 | 0.01 |
| Sep | 4.54 | 4.46 | 0.08 |
| Oct | 4.52 | 4.46 | 0.06 |
| Nov | 3.48 | 3.58 | -0.10 |
| Dec | 4.39 | 4.50 | -0.11 |
49.50 | 49.98 | -0.48 |