| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.88 | 3.01 | -0.13 |
| Feb | 2.60 | 2.71 | -0.11 |
| Mar | 3.59 | 3.78 | -0.19 |
| Apr | 3.33 | 3.38 | -0.05 |
| May | 3.97 | 4.33 | -0.36 |
| Jun | 4.10 | 4.51 | -0.41 |
| Jul | 4.46 | 4.43 | 0.03 |
| Aug | 3.67 | 3.78 | -0.11 |
| Sep | 4.21 | 4.44 | -0.23 |
| Oct | 3.63 | 3.92 | -0.29 |
| Nov | 2.97 | 3.16 | -0.19 |
| Dec | 3.53 | 3.64 | -0.11 |
42.94 | 45.09 | -2.15 |