| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.53 | -0.31 |
| Feb | 1.88 | 2.14 | -0.26 |
| Mar | 2.49 | 2.65 | -0.16 |
| Apr | 3.62 | 3.65 | -0.03 |
| May | 3.54 | 3.41 | 0.13 |
| Jun | 3.73 | 4.22 | -0.49 |
| Jul | 3.51 | 3.60 | -0.09 |
| Aug | 3.43 | 3.20 | 0.23 |
| Sep | 3.13 | 2.92 | 0.21 |
| Oct | 2.91 | 3.05 | -0.14 |
| Nov | 2.63 | 2.77 | -0.14 |
| Dec | 2.24 | 2.57 | -0.33 |
35.33 | 36.71 | -1.38 |