| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.46 | 0.01 |
| Feb | 2.85 | 3.06 | -0.21 |
| Mar | 4.16 | 4.00 | 0.16 |
| Apr | 4.19 | 4.10 | 0.09 |
| May | 3.70 | 3.62 | 0.08 |
| Jun | 4.36 | 4.49 | -0.13 |
| Jul | 3.98 | 4.02 | -0.04 |
| Aug | 4.24 | 4.14 | 0.10 |
| Sep | 4.21 | 4.28 | -0.07 |
| Oct | 4.67 | 4.64 | 0.03 |
| Nov | 3.88 | 3.82 | 0.06 |
| Dec | 4.38 | 4.43 | -0.05 |
48.09 | 48.06 | 0.03 |