| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.39 | -0.03 |
| Feb | 0.65 | 0.61 | 0.04 |
| Mar | 1.11 | 1.23 | -0.12 |
| Apr | 2.51 | 2.60 | -0.09 |
| May | 3.76 | 3.61 | 0.15 |
| Jun | 3.94 | 3.75 | 0.19 |
| Jul | 3.48 | 3.67 | -0.19 |
| Aug | 2.11 | 2.36 | -0.25 |
| Sep | 1.88 | 1.96 | -0.08 |
| Oct | 1.78 | 1.75 | 0.03 |
| Nov | 0.57 | 0.63 | -0.06 |
| Dec | 0.43 | 0.44 | -0.01 |
22.58 | 23.00 | -0.42 |