| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.50 | -0.04 |
| Feb | 2.67 | 2.83 | -0.16 |
| Mar | 3.75 | 3.88 | -0.13 |
| Apr | 3.79 | 3.91 | -0.12 |
| May | 4.01 | 4.14 | -0.13 |
| Jun | 4.53 | 4.71 | -0.18 |
| Jul | 4.75 | 4.69 | 0.06 |
| Aug | 4.76 | 4.77 | -0.01 |
| Sep | 4.41 | 4.63 | -0.22 |
| Oct | 4.44 | 4.64 | -0.20 |
| Nov | 3.36 | 3.40 | -0.04 |
| Dec | 4.18 | 4.38 | -0.20 |
48.11 | 49.48 | -1.37 |