| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.32 | 0.08 |
| Feb | 1.97 | 1.86 | 0.11 |
| Mar | 2.74 | 2.71 | 0.03 |
| Apr | 2.58 | 2.63 | -0.05 |
| May | 4.26 | 4.30 | -0.04 |
| Jun | 3.56 | 3.53 | 0.03 |
| Jul | 2.35 | 2.38 | -0.03 |
| Aug | 2.39 | 2.44 | -0.05 |
| Sep | 3.62 | 3.93 | -0.31 |
| Oct | 4.23 | 4.22 | 0.01 |
| Nov | 2.65 | 2.93 | -0.28 |
| Dec | 2.40 | 2.51 | -0.11 |
35.15 | 35.76 | -0.61 |