| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.67 | 0.09 |
| Feb | 2.81 | 2.82 | -0.01 |
| Mar | 3.90 | 3.93 | -0.03 |
| Apr | 3.70 | 3.72 | -0.02 |
| May | 4.39 | 4.29 | 0.10 |
| Jun | 4.20 | 4.20 | 0.00 |
| Jul | 4.09 | 4.23 | -0.14 |
| Aug | 3.80 | 3.79 | 0.01 |
| Sep | 4.44 | 4.63 | -0.19 |
| Oct | 3.51 | 3.50 | 0.01 |
| Nov | 3.45 | 3.47 | -0.02 |
| Dec | 3.61 | 3.59 | 0.02 |
45.66 | 45.84 | -0.18 |