| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.48 | -0.03 |
| Feb | 2.76 | 2.75 | 0.01 |
| Mar | 3.91 | 3.92 | -0.01 |
| Apr | 3.42 | 3.42 | 0.00 |
| May | 4.20 | 4.13 | 0.07 |
| Jun | 4.09 | 4.00 | 0.09 |
| Jul | 4.41 | 4.37 | 0.04 |
| Aug | 4.36 | 4.32 | 0.04 |
| Sep | 4.48 | 4.49 | -0.01 |
| Oct | 3.60 | 3.58 | 0.02 |
| Nov | 3.23 | 3.26 | -0.03 |
| Dec | 3.68 | 3.69 | -0.01 |
45.59 | 45.41 | 0.18 |