| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.64 | 4.60 | 0.04 |
| Feb | 4.26 | 4.31 | -0.05 |
| Mar | 4.78 | 5.03 | -0.25 |
| Apr | 3.72 | 3.67 | 0.05 |
| May | 2.80 | 2.73 | 0.07 |
| Jun | 5.37 | 5.47 | -0.10 |
| Jul | 5.18 | 5.58 | -0.40 |
| Aug | 4.87 | 5.15 | -0.28 |
| Sep | 4.22 | 4.23 | -0.01 |
| Oct | 2.88 | 2.89 | -0.01 |
| Nov | 2.96 | 2.94 | 0.02 |
| Dec | 4.16 | 3.91 | 0.25 |
49.84 | 50.51 | -0.67 |