| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.45 | 0.08 |
| Feb | 2.13 | 1.99 | 0.14 |
| Mar | 2.76 | 2.83 | -0.07 |
| Apr | 2.71 | 2.44 | 0.27 |
| May | 4.60 | 4.33 | 0.27 |
| Jun | 3.53 | 3.52 | 0.01 |
| Jul | 2.30 | 2.29 | 0.01 |
| Aug | 2.47 | 2.36 | 0.11 |
| Sep | 3.57 | 3.52 | 0.05 |
| Oct | 4.16 | 3.92 | 0.24 |
| Nov | 2.90 | 2.71 | 0.19 |
| Dec | 2.69 | 2.61 | 0.08 |
36.35 | 34.97 | 1.38 |