| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.38 | 0.03 |
| Feb | 3.13 | 2.93 | 0.20 |
| Mar | 3.39 | 3.46 | -0.07 |
| Apr | 3.16 | 3.11 | 0.05 |
| May | 3.21 | 3.00 | 0.21 |
| Jun | 5.34 | 5.48 | -0.14 |
| Jul | 5.71 | 5.57 | 0.14 |
| Aug | 6.51 | 6.79 | -0.28 |
| Sep | 4.80 | 5.08 | -0.28 |
| Oct | 4.18 | 4.47 | -0.29 |
| Nov | 2.45 | 2.41 | 0.04 |
| Dec | 3.06 | 3.25 | -0.19 |
48.35 | 48.93 | -0.58 |