| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.66 | -0.03 |
| Feb | 3.72 | 3.88 | -0.16 |
| Mar | 5.08 | 5.19 | -0.11 |
| Apr | 5.44 | 5.35 | 0.09 |
| May | 5.57 | 5.54 | 0.03 |
| Jun | 3.64 | 3.64 | 0.00 |
| Jul | 3.91 | 3.89 | 0.02 |
| Aug | 3.80 | 4.06 | -0.26 |
| Sep | 3.67 | 3.58 | 0.09 |
| Oct | 4.15 | 4.14 | 0.01 |
| Nov | 5.03 | 5.15 | -0.12 |
| Dec | 4.61 | 4.76 | -0.15 |
52.25 | 52.84 | -0.59 |