| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 3.94 | 0.06 |
| Feb | 3.66 | 3.79 | -0.13 |
| Mar | 4.22 | 4.35 | -0.13 |
| Apr | 2.95 | 3.16 | -0.21 |
| May | 3.20 | 3.00 | 0.20 |
| Jun | 4.59 | 4.63 | -0.04 |
| Jul | 4.55 | 4.47 | 0.08 |
| Aug | 4.80 | 5.08 | -0.28 |
| Sep | 3.72 | 3.90 | -0.18 |
| Oct | 2.73 | 2.76 | -0.03 |
| Nov | 2.87 | 3.09 | -0.22 |
| Dec | 3.98 | 4.03 | -0.05 |
45.27 | 46.20 | -0.93 |