| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.74 | 4.81 | -0.07 |
| Feb | 3.95 | 4.03 | -0.08 |
| Mar | 4.72 | 4.63 | 0.09 |
| Apr | 3.51 | 3.46 | 0.05 |
| May | 2.75 | 2.89 | -0.14 |
| Jun | 6.08 | 6.53 | -0.45 |
| Jul | 5.94 | 6.42 | -0.48 |
| Aug | 5.55 | 5.67 | -0.12 |
| Sep | 4.73 | 4.80 | -0.07 |
| Oct | 3.29 | 3.30 | -0.01 |
| Nov | 2.62 | 2.91 | -0.29 |
| Dec | 3.47 | 3.71 | -0.24 |
51.35 | 53.16 | -1.81 |