| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.83 | 5.36 | -0.53 |
| Feb | 4.69 | 5.13 | -0.44 |
| Mar | 4.77 | 5.23 | -0.46 |
| Apr | 5.01 | 5.75 | -0.74 |
| May | 3.38 | 3.61 | -0.23 |
| Jun | 6.12 | 6.41 | -0.29 |
| Jul | 7.33 | 7.42 | -0.09 |
| Aug | 7.41 | 7.91 | -0.50 |
| Sep | 6.03 | 6.32 | -0.29 |
| Oct | 4.33 | 4.57 | -0.24 |
| Nov | 4.16 | 4.58 | -0.42 |
| Dec | 5.08 | 5.30 | -0.22 |
63.14 | 67.59 | -4.45 |