| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.06 | 2.13 | -0.07 |
| Feb | 1.88 | 2.02 | -0.14 |
| Mar | 2.58 | 2.69 | -0.11 |
| Apr | 2.46 | 2.46 | 0.00 |
| May | 4.65 | 4.86 | -0.21 |
| Jun | 3.47 | 3.56 | -0.09 |
| Jul | 2.19 | 2.59 | -0.40 |
| Aug | 2.47 | 2.54 | -0.07 |
| Sep | 3.68 | 3.94 | -0.26 |
| Oct | 3.56 | 3.82 | -0.26 |
| Nov | 2.46 | 2.76 | -0.30 |
| Dec | 1.93 | 2.30 | -0.37 |
33.39 | 35.67 | -2.28 |