| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.28 | 0.06 |
| Feb | 2.64 | 2.46 | 0.18 |
| Mar | 3.06 | 3.09 | -0.03 |
| Apr | 3.47 | 3.62 | -0.15 |
| May | 3.74 | 3.92 | -0.18 |
| Jun | 4.28 | 4.40 | -0.12 |
| Jul | 4.37 | 4.56 | -0.19 |
| Aug | 4.09 | 4.13 | -0.04 |
| Sep | 3.97 | 4.18 | -0.21 |
| Oct | 4.18 | 4.22 | -0.04 |
| Nov | 3.63 | 3.59 | 0.04 |
| Dec | 3.71 | 3.56 | 0.15 |
44.48 | 45.01 | -0.53 |