| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.48 | 0.05 |
| Feb | 3.33 | 3.40 | -0.07 |
| Mar | 4.60 | 4.67 | -0.07 |
| Apr | 5.02 | 5.04 | -0.02 |
| May | 5.28 | 5.32 | -0.04 |
| Jun | 3.82 | 3.69 | 0.13 |
| Jul | 3.75 | 3.58 | 0.17 |
| Aug | 3.76 | 3.46 | 0.30 |
| Sep | 3.65 | 3.51 | 0.14 |
| Oct | 4.03 | 4.00 | 0.03 |
| Nov | 4.84 | 4.71 | 0.13 |
| Dec | 4.27 | 4.51 | -0.24 |
49.88 | 49.37 | 0.51 |