| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.12 | 0.03 |
| Feb | 2.67 | 2.80 | -0.13 |
| Mar | 4.03 | 3.94 | 0.09 |
| Apr | 3.29 | 3.22 | 0.07 |
| May | 3.91 | 4.12 | -0.21 |
| Jun | 4.21 | 4.37 | -0.16 |
| Jul | 4.43 | 4.46 | -0.03 |
| Aug | 4.46 | 4.71 | -0.25 |
| Sep | 4.60 | 4.57 | 0.03 |
| Oct | 3.95 | 4.09 | -0.14 |
| Nov | 3.25 | 3.20 | 0.05 |
| Dec | 3.66 | 3.76 | -0.10 |
45.61 | 46.36 | -0.75 |