| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.54 | -0.11 |
| Feb | 0.64 | 0.72 | -0.08 |
| Mar | 1.19 | 1.15 | 0.04 |
| Apr | 2.44 | 2.42 | 0.02 |
| May | 4.20 | 4.33 | -0.13 |
| Jun | 3.46 | 3.51 | -0.05 |
| Jul | 3.23 | 3.26 | -0.03 |
| Aug | 2.28 | 2.40 | -0.12 |
| Sep | 1.63 | 1.57 | 0.06 |
| Oct | 1.64 | 1.76 | -0.12 |
| Nov | 0.60 | 0.72 | -0.12 |
| Dec | 0.47 | 0.56 | -0.09 |
22.21 | 22.94 | -0.73 |