| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.72 | -0.06 |
| Feb | 1.76 | 1.92 | -0.16 |
| Mar | 3.25 | 3.25 | 0.00 |
| Apr | 4.46 | 4.20 | 0.26 |
| May | 5.63 | 5.85 | -0.22 |
| Jun | 4.72 | 4.60 | 0.12 |
| Jul | 3.72 | 3.78 | -0.06 |
| Aug | 3.48 | 3.39 | 0.09 |
| Sep | 3.94 | 3.81 | 0.13 |
| Oct | 3.69 | 3.63 | 0.06 |
| Nov | 2.86 | 2.80 | 0.06 |
| Dec | 2.40 | 2.40 | 0.00 |
41.57 | 41.35 | 0.22 |