| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.76 | -0.26 |
| Feb | 2.93 | 3.18 | -0.25 |
| Mar | 4.16 | 4.16 | 0.00 |
| Apr | 4.15 | 3.97 | 0.18 |
| May | 3.84 | 3.96 | -0.12 |
| Jun | 4.58 | 4.57 | 0.01 |
| Jul | 4.42 | 4.56 | -0.14 |
| Aug | 4.29 | 4.63 | -0.34 |
| Sep | 4.52 | 4.70 | -0.18 |
| Oct | 4.63 | 4.69 | -0.06 |
| Nov | 3.87 | 3.93 | -0.06 |
| Dec | 4.26 | 4.58 | -0.32 |
49.15 | 50.69 | -1.54 |