| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.24 | 0.04 |
| Feb | 2.85 | 2.74 | 0.11 |
| Mar | 3.63 | 3.67 | -0.04 |
| Apr | 3.76 | 3.65 | 0.11 |
| May | 4.38 | 4.27 | 0.11 |
| Jun | 4.45 | 4.71 | -0.26 |
| Jul | 4.27 | 4.58 | -0.31 |
| Aug | 3.88 | 3.65 | 0.23 |
| Sep | 3.58 | 3.44 | 0.14 |
| Oct | 3.18 | 3.07 | 0.11 |
| Nov | 3.09 | 3.16 | -0.07 |
| Dec | 3.39 | 3.31 | 0.08 |
43.74 | 43.49 | 0.25 |