| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.84 | -0.20 |
| Feb | 4.14 | 4.33 | -0.19 |
| Mar | 4.74 | 4.93 | -0.19 |
| Apr | 4.77 | 4.98 | -0.21 |
| May | 5.12 | 5.25 | -0.13 |
| Jun | 4.56 | 4.75 | -0.19 |
| Jul | 4.35 | 4.54 | -0.19 |
| Aug | 3.58 | 3.67 | -0.09 |
| Sep | 3.63 | 3.76 | -0.13 |
| Oct | 3.73 | 3.80 | -0.07 |
| Nov | 3.73 | 3.78 | -0.05 |
| Dec | 4.47 | 4.76 | -0.29 |
50.46 | 52.39 | -1.93 |