| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.67 | -0.03 |
| Feb | 3.28 | 3.37 | -0.09 |
| Mar | 4.63 | 4.66 | -0.03 |
| Apr | 5.25 | 5.41 | -0.16 |
| May | 5.61 | 5.56 | 0.05 |
| Jun | 4.93 | 5.07 | -0.14 |
| Jul | 4.46 | 4.39 | 0.07 |
| Aug | 3.14 | 3.11 | 0.03 |
| Sep | 3.54 | 3.74 | -0.20 |
| Oct | 3.45 | 3.60 | -0.15 |
| Nov | 3.96 | 4.05 | -0.09 |
| Dec | 3.91 | 4.01 | -0.10 |
49.80 | 50.64 | -0.84 |