| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.10 | 0.01 |
| Feb | 2.69 | 2.80 | -0.11 |
| Mar | 4.09 | 4.00 | 0.09 |
| Apr | 3.28 | 3.24 | 0.04 |
| May | 3.78 | 4.08 | -0.30 |
| Jun | 4.25 | 4.31 | -0.06 |
| Jul | 4.48 | 4.51 | -0.03 |
| Aug | 4.42 | 4.46 | -0.04 |
| Sep | 4.63 | 4.48 | 0.15 |
| Oct | 3.89 | 4.10 | -0.21 |
| Nov | 3.16 | 3.18 | -0.02 |
| Dec | 3.71 | 3.67 | 0.04 |
45.49 | 45.93 | -0.44 |