| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.43 | 0.13 |
| Feb | 2.83 | 2.92 | -0.09 |
| Mar | 3.68 | 3.87 | -0.19 |
| Apr | 3.78 | 3.86 | -0.08 |
| May | 3.90 | 3.83 | 0.07 |
| Jun | 4.78 | 4.78 | 0.00 |
| Jul | 4.56 | 4.48 | 0.08 |
| Aug | 4.57 | 4.56 | 0.01 |
| Sep | 4.85 | 4.88 | -0.03 |
| Oct | 4.83 | 4.87 | -0.04 |
| Nov | 3.78 | 3.76 | 0.02 |
| Dec | 4.24 | 4.34 | -0.10 |
49.36 | 49.58 | -0.22 |