| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.07 | -0.15 |
| Feb | 2.37 | 2.61 | -0.24 |
| Mar | 3.44 | 3.63 | -0.19 |
| Apr | 3.34 | 3.47 | -0.13 |
| May | 4.33 | 4.48 | -0.15 |
| Jun | 4.67 | 4.63 | 0.04 |
| Jul | 4.14 | 4.18 | -0.04 |
| Aug | 3.90 | 3.82 | 0.08 |
| Sep | 4.59 | 4.68 | -0.09 |
| Oct | 3.48 | 3.71 | -0.23 |
| Nov | 3.11 | 3.32 | -0.21 |
| Dec | 3.19 | 3.48 | -0.29 |
43.48 | 45.08 | -1.60 |