| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.22 | 3.68 | 0.54 |
| Feb | 3.00 | 2.56 | 0.44 |
| Mar | 2.78 | 2.37 | 0.41 |
| Apr | 1.92 | 1.86 | 0.06 |
| May | 1.47 | 1.35 | 0.12 |
| Jun | 0.72 | 0.71 | 0.01 |
| Jul | 0.32 | 0.29 | 0.03 |
| Aug | 0.29 | 0.30 | -0.01 |
| Sep | 0.51 | 0.47 | 0.04 |
| Oct | 1.67 | 1.58 | 0.09 |
| Nov | 3.53 | 3.41 | 0.12 |
| Dec | 5.05 | 4.48 | 0.57 |
25.48 | 23.06 | 2.42 |