| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.56 | -0.09 |
| Feb | 2.17 | 2.24 | -0.07 |
| Mar | 3.45 | 3.47 | -0.02 |
| Apr | 4.66 | 4.71 | -0.05 |
| May | 4.99 | 5.15 | -0.16 |
| Jun | 4.43 | 4.42 | 0.01 |
| Jul | 3.78 | 4.00 | -0.22 |
| Aug | 3.60 | 3.63 | -0.03 |
| Sep | 3.31 | 3.15 | 0.16 |
| Oct | 3.13 | 3.29 | -0.16 |
| Nov | 3.39 | 3.45 | -0.06 |
| Dec | 2.58 | 2.69 | -0.11 |
41.96 | 42.76 | -0.80 |