| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.57 | 4.63 | -0.06 |
| Feb | 4.38 | 4.16 | 0.22 |
| Mar | 4.63 | 4.63 | 0.00 |
| Apr | 3.97 | 4.13 | -0.16 |
| May | 3.07 | 3.06 | 0.01 |
| Jun | 4.61 | 4.60 | 0.01 |
| Jul | 4.90 | 4.71 | 0.19 |
| Aug | 4.56 | 4.54 | 0.02 |
| Sep | 3.71 | 3.64 | 0.07 |
| Oct | 2.62 | 2.50 | 0.12 |
| Nov | 3.14 | 3.21 | -0.07 |
| Dec | 4.63 | 4.60 | 0.03 |
48.79 | 48.41 | 0.38 |